Ho kopanya Likhakanyo tsa ML Peptide ho Tatelano ea Lab-Ready: Lithuto tse tsoang ho Mehlala e Meholo ea Likarolo le Lithuto tsa Moralo
Bohlale ba maiketsetso bo hlahisang, algorithms ea ho hasana, le mefuta e meholo ea lipuo e fetotse mokhoa oa ho sibolloa ha peptide. Li-platform tsa computational li ka lekola tatellano ea batho ba libilione ka lihora tse ngata, ho hlaba bakgethi bakeng sa kamano e tlamang, khetho ea li-receptor, le ho bolela esale pele sebopeho sa bobeli. Leha ho le joalo, Hangata lihlopha tsa bafuputsi li tobana le ho theoha ho hoholo ha sekhahla sa katleho ha li tloha ho silika ho ea litekong tsa 'mele tsa lab.. Peptide e ntlafalitsoeng ka komporo e holimo 0.1% ea skrineng ea sebele e ka 'na ea hlōleha ka ho feletseng nakong ea synthesis ea peptide e tiileng (SPSS), aggregate nakong ea TFA cleavage, kapa ho theha likopano tsa colloidal tse hlahisang matšoao a fosahetseng litekong tsa tlhahlobo.
E fetolela likhakanyo tsa ho ithuta ka mochini hore e be tse ka lekoang, li-peptide tsa bohloeki bo phahameng li hloka moralo oa tlhahlobo ea tatellano ea liteko. Sebakeng sa ho nka liphetho tsa computational joalo ka bakhethoa ba ho qetela, lihlopha tse etellang pele tsa ho sibolla li sebelisa sefe ea bobeli ea tlhahiso e lekanyang meeli ea ho kopanya ha 'mele, e hlahisa lik'hemik'hale tse ka fetoloang esale pele, le ho batlela likhetho ho phaephe ea netefatso ea 4-tier orthogonal pele ba tsetela ho litlhahlobo tse ngata tsa bioloji..
Hobaneng Mehlala ea ho Ithuta ka Mechini e Hlahisa Lifate tsa Wet-Lab
Mefuta e mengata ea ho ithuta e tebileng bakeng sa moralo oa peptide e sebetsa sebakeng se loketseng sa matla kapa sa sebopeho. Li-algorithms tse koetliselitsoeng ho static PDB co-crystal structures kapa affinity data optimize for target target energy, tlatsetso ea motlakase, le backbone dihedral stability. Leha ho le joalo, mefuta ena ha se hangata e kenyelletsang fisiks ea lik'hemik'hale ea bolelele ba ketane ea peptide ho tšehetso e tiileng..
Ha mofuta oa computational o hlahisa tatellano ea 20-mer kapa 30-mer e ruileng ka masala a hydrophobic, β-sheet-promotion motifs, kapa diketane tse ngata tse mahlakoreng, e hlokomoloha mekhoa ea 'mele ea kopano ea peptide. Nakong ea motsoako oa Fmoc solid-phase peptide synthesis, ha ketane e ntseng e hola ea peptide e fihla 8 ho 15 li-amino acid ka bolelele, li-inter-chain le intra-chain hydrogen bonding li ka susumetsa sebopeho sa β-sheet sa bobeli ka kotloloho ho matrix a resin.. Ketsahalo ena, e tsejoang ka hore ke resin aggregation, e thibela ho ruruha ha solvent le ho sireletsa amine ea N-terminal ho li-amino acid tse kenang..
Key Takeaway: Lintlha tse tlamang tse phahameng tsa khomphutha ha li fane ka tiisetso ea 'mele. Litholoana tsa ho ithuta ka mochini o sa hloekisoang hangata li lebisa tlhokomelo masala a hydrophobic le β-sheet-promotion a bakang ho kopana ho matla ha resin., kopanyo e sa fellang, le litšila tse khutsufalitsoeng nakong ea motsoako o tiileng.
Ho bokellana ha resin ho lebisa mekhoeng e 'meli ea mantlha ea ho hloleha ts'ebetsong ea lab ea metsi:
- Tšireletso e sa Feleng ea Fmoc: Ho kopanngoa ha li-inter-chain ho thibela ho kena ha piperidine ho sehlopha sa N-terminal Fmoc. Ka phallo synthesis, Sena se bonahala e le profaele e bataletseng le e atolositsoeng ea ts'ireletso ea UV. Ka batch synthesis, tšireletseho e sa phethahalang mahlaku a fokotsehileng, Fmoc e sirelelitsoeng, kapa lihlahisoa tsa mahlakoreng a acetylated tseo ho leng thata ho li arola ho peptide e shebiloeng ka HPLC ea ho itokisa..
- Coupling Attenuation le Steric Hindrance: Masala a haufi a mangata kapa a teteaneng ka bongata (joalo ka Arg e latellanang, Ka, Val, kapa lihlopha tsa Leu) theha tšubuhlellano ea steric ea sebakeng seo. Liteko tse tloaelehileng tsa ho kopanya colorimetric, ho kenyelletsa ninhydrin le TNBS, hangata e fana ka liphetho tse fosahetseng-hang hang ha ho putlama ho hoholo ha resin ho etsahala, ho pata liketane tse sa sebetseng ho fihlela spectrometry ea boima e senola tatellano e pharaletseng ea ho hlakola.
Li-Filters tsa Manufacturability tsa Sequence Sequence
Ho thibela tatellano e shoeleng hore e se ke ea kena liphaepheng tsa synthesis, computational hits e tlameha ho feta har'a li-filters tsa quantitative triage pele motsoako oa lik'hemik'hale o qala.
Moloko oa Mokhethoa (Ho silicon) → Ho etsa lintho & Tlhahlobo ea Aggregation → Phetoho ea Lik'hemik'hale & Leano la Tšireletso → Kopano ea 'mele ea SPPS → Tiered Biophysical QC
1. Tšireletso ea In-line Fmoc & Tharollo Aggregation Metrics
Tlhahlobo ea Synthesizability e kopanya mekhoa ea nalane ea phallo-synthesis le melao ea k'hemistri ea 'mele. Lintlha tse peli tsa bohlokoa li lekanya kotsi ea kakaretso:
- Ntlha ea Aggregation (TSA): E nkiloe ho in-line UV absorption nakong ea ho tlosoa ha Fmoc ka har'a motsoako oa phallo, e hlalosoang e le phapang lipakeng tsa bophara ba tlhoro ea tšireletso le bophahamo ba eona (AF = Wₙ - Hₙ). Tatelano e bontshang AF > 20 kapa tlhoro ea tšireletso e atoloha ho feta 20% mabapi le lipotoloho tsa pele li na le kotsi e matla ea ho kopanya. Joalokaha ho bontšitsoe ho thuto ea Nature Chemistry mabapi le peptide synthesis aggregation (2026), tatellano ea sebopeho le lihlopha tsa hydrophobic li tsamaisa liphapang tsena tsa tšireletso.
- Aggregation Index (AI): E lekola kopano ea colloidal ea boemo ba tharollo e sebelisa UV spectrophotometry ho pholletsa le maqhubu a mabeli: AI = (A₃₅₀/A₂₈₀ – A₃₅₀) × 100 AI ka tlase 3 e bontša ho hlaka, tharollo ea monomeric. AI pakeng tsa 3 le 30 e bonahatsa oligomerization e khanyang, ha AI e ka holimo 30 e bonts'a khokahanyo e boima ea colloidal e tla kena-kenana le chromatography ea metsi le litlhahlobo tsa baeloji..
2. Hydropathicity, Tefiso, le Sebopeho sa Sebopeho
Sebopeho sa tatellano se etsa qeto ea ho khoneha ha SPPS le ho qhibiliha ha metsi:
- MOHLOMI (Karolelano e kholo ea Hydroropathicity): Tatelano ka lintlha tsa GRAVY tse kholo ho feta +0.4 li na le hydrophobic haholo 'me li tloaetse ho na le pula nakong ea tlhoekiso ea HPLC.
- Litharo tse tharo tsa Hydrophobic: Li-amino acid tse latellanang tsa hydrophobic (mohlala, Khetho-Khetho-Khetho, Phe-Ile-Leu, Trp-Trp-Val) qala ho kopanya β-sheet ka potlako nakong ea SPPS. Ho kenya masalla a lefisitsoeng (Lys, Arg, Glu) kapa li-amino acid tse senyang sebopeho li fokotsa mokhoa ona.
- Ntlha ea Isoelectric (pI) Ho tsamaisana: Li-peptide tse nang le pI e haufi le physiological buffer pH (pH 7.0–7.4) hangata a bonts'a ho qhibiliha ho fokolang nakong ea liteko tse thehiloeng liseleng.
3. Ho se tsitse ha Lik'hemik'hale le Li-Motifs tsa Mahlakore
Meralo ea likhomphutha e tlameha ho hlahlojoa bakeng sa lipara tse sebetsang tsa amino acid tse senyehang ka tšohanyetso nakong ea ho kopanya., qhetsola, kapa polokelo:
- Asp-Pro Cleavage: Li-bond tsa dipeptide tsa Acid-labile tse kenang ka potlako autolysis nakong ea maemo 95% TFA qhekella.
- Asn-Gly le Asp-Gly Aspartimide Formation: Ho koaloa ha selikalikoe tlas'a maemo a motheo a tšireletso ea piperidine ho hlahisa li-intermediate tsa succinimide, ho fella ka α- le lihlahisoa tsa lehlakore tsa β-aspartyl.
- Met le Trp Oxidation: Methionine mesaletsa ea oxidize habonolo ho sulfoxides, ha tryptophan e etsa lihlahisoa tsa lehlakore tsa t-butylated kapa polymeric nakong ea TFA cleavage haeba li-cocktails tsa scavenger. (mohlala, EDT, thioanisole, metsi, phenol) li leka-lekana ka tsela e fosahetseng.
- N-Terminal Gln Cyclization: Glutamine boemong 1 ka boithaopo e potoloha ho pyroglutamate tlas'a maemo a polokelo ea asiti kapa a sa nke lehlakore.
Quantitative Manufacturability Triage Matrix
| Metric / Sebopeho | Ideal Target Range | Moeli oa moeli (E hloka Chemical Aids) | Phaello e Phahameng ea Kotsi ea ho Hanela | Liphello tsa Lab-Metsi |
|---|---|---|---|---|
| Bolelele (Mesaletsa) | 5 - 25 li-amino acid | 26 - 40 li-amino acid | > 45 li-amino acid | Ho theoha ho hoholo ha chai e tala; sekhahla se phahameng sa ho fokotsa |
| Setšoantšo sa GRAVY | -0.8 ho +0.2 | +0.2 ho +0.5 | > +0.5 | Aqueous insolubility e matla; tlhoekiso ho hloleha |
| Ntlha ea Aggregation (TSA) | < 10 | 10 - 20 | > 20 | Litlhōrō tsa tšireletso ea Fmoc e bataletseng; li-amino acid tse sa sebetseng |
| Ntlha ea Isoelectric (pI) | < 5.5 kapa > 8.5 | 5.8 - 6.5 kapa 7.8 - 8.2 | 6.8 - 7.5 | Pula ea Isoelectric ho li-buffers tsa fisioloji |
| Litaba tsa Cys | 0 - 2 masalla | 3 - 4 masalla (laoloa) | > 4 Cys e sa sebetseng Peptide Synthesis | Marokho a sa tšepahaleng a disulfide; oligomerization ea oxidative |
| Met e sa sireletsehang / Trp | 0 masalla | 1 masalla (sekgoa se hlokahalang) | ≥ 2 masalla | Ho potlaka ha oxidation le sebopeho sa adduct nakong ea TFA cleavage |
Ho Silico Prediction vs. Physical Wet-Lab Reality
<tIn Silico Optimization Focus Mofani oa Peptides oa Code“>Feature Domain
Ho Silico Optimization Focus
Thibelo ea 'mele ea Wet-Lab / Mokhoa oa ho hloleha
Leano le Sebetsang la ho Fokotsa
<Sebelisa li-resin tsa PEG tse nkeloang sebaka se tlase le li-additives tsa chaotropic (LiCl/DMF) Ch Peptide(Arg, Ka, Val)
| Sebopeho sa bobeli | E phahamisa α-helix / β-sheet botsitso setšeng se tlamang sepheo | Inter-chain β-sheet aggregation ka kotloloho ho tšehetso ea resin | Kenya lipeptide tsa pseudoproline kapa lihlopha tse sireletsang mokokotlo (Dmb/Hmb) |
| Masala a Hydrophobicity | E paka li-cores tsa hydrophobic bakeng sa kamano e phahameng e tlamang | Ho qhibiliha ha metsi a tlase, HPLC pula, le ho silafatsa litšiea | Kabo ea tefiso e leka-lekaneng; kenyelletsa li-tag tsa polar solubilizing |
| Elongation ea ketane | E nka kenyelletso ea tatellano ea mela ntle le thibelo ea steric | Sebelisa li-resin tsa PEG tse nkeloang sebaka se tlase le li-additives tsa chaotropic (LiCl/DMF) | |
| Morekisi oa Peptide Sepheo sa Affinity | Lintlha tsa ΔG le li-kinetics tse tlamang sebakeng se setle sa monomeric | Boikopanyo bo sa khetheheng ba colloidal bo bakang tlamahano e hlephileng | Netefatsa boemo ba tharollo monodispersity ka DLS (PdI <0.15) & SEC-MALS |
Lik'hemik'hale tsa Phetoho tse Lebeletsoeng le Lithuso tsa Synthetic
Ha tatelano e ts'episang ea computationally e bonts'a moeli oa tlhahiso ea moeli, bafuputsi ha ba hloke ho lahla hit ka ho feletseng. Chemical biology e fana ka mehato ea meralo e sitisang sebopeho sa nakoana nakong ea SPPS kapa ho tsitsisa tatellano ea ho sebetsana le lab..
1. Pseudoproline Dipeptides le Lihlopha tse Sireletsang Mokokotlo
Ho thibela ho kopana ha resin nakong ea ho lelefatsa ketane, Ke ile ka khutlela ho ea tsebisa litsebi tsa k'hemistri tsa synthesis
Pseudoproline Dipeptides: Ho kenyelletsa lihlahisoa tsa oxazolidine tsa Serine kapa Threonine-joalo ka Fmoc-Xaa-Thr(Ψᵐᵉ˒ᵐᵉpro)-OH kapa Fmoc-Xaa-Ser(Ψᵐᵉ˒ᵐᵉpro)-OH - e hlahisa cis-conformation ho bond ea peptide. Kink ena e sebetsa e le sekheo sa β-sheet nakong ea SPPS, ho boloka ho ruruha ha resin. Qetellong ea TFA cleavage, selikalikoe sa oxazolidine se bula bongata ho hlahisa Ser kapa Thr ea tlhaho. Peptide
n TFA cleavage ea ho qetela, selikalikoe sa oxazolidine se bula bongata ho hlahisa Ser kapa Thr ea tlhaho.
- N-Dmb le N-Hmb Tšireletso ea Mokokotlo: Li-derivatives tse kang N-(2,4-dimethoxybenzyl) (Dmb) kapa N-(2-hydroxy-4-methoxybenzyl) (Hmb) nka sebaka sa liprothone tsa amide haufi le mokokotlo, ho felisa marang-rang a li-inter-chain hydrogen bonding a tsamaisang ho kopanya.
Bakeng sa Keletso: Ha synthesizing meralo computational nako e telele ho feta 20 mesaletsa e nang le libaka tsa hydrophobic, rera esale pele ho kenya dipeptide tsa pseudoproline maemong a matsoalloa a Xaa-Ser kapa Xaa-Thr. Phetoho ena e le 'ngoe e ka fetola tatellano e ke keng ea kopanngoa ka ho feletseng hore e be motsoako o phahameng oa lihlahisoa.
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Khampani ea Ghp Peptide Ho kenella ka Pseudoproline
mola =”1″>
Ntho
| Lintlha | |
|---|---|
| Native Aggregating Sequence | H-Leu-Val-Val-Ile-Thr-Leu-Val-Gly-OH (Phahamiso e Phahameng ea Resin) |
| Ho kenella ka Pseudoproline | H-Leu-Val-Val-Ile-[Thr(Ψᵐᵉ˒ᵐᵉpro)]-Leu-Val-Gly-OH (Sebopeho sa β-Sheet se Senyehileng) |
| Sehlahisoa sa Post-TFA Cleavage | H-Leu-Val-Val-Ile-Thr-Leu-Val-Gly-OH (Native Target Sequence) |
2. Resin Architecture le Solvent System Optimization
Ho bapisa tšehetso ea 'mele le litšobotsi tsa tatellano ho bohlokoa bakeng sa li-peptide tse thata:
- Li-Resins tsa PEG tse tlase-tlaase: Li-resin tsa setso tsa polystyrene tse nang le sebaka se phahameng (0.6-1.0 mmol/g) baka tšubuhlellano e potlakileng ea steric bakeng sa li-peptide tse telele kapa tse hlophisitsoeng. Ho fetohela ho litšehetso tse thehiloeng ho polyethylene glycol (mohlala, TentaGel, NovaPEG, PEGA) ka litefiso tse tlase tsa phalliso (0.15-0.25 mmol/g) e eketsa molumo oa ho ruruha ha resin mme e boloka phihlello e bulehileng ea libaka tsa ho kopanya.
- Li-additives tsa Chaotropic le metsoako e tsoakiloeng: Ho eketsa letsoai la chaotropic joalo ka LiCl (0.8 M ho DMF) kapa ho kenya DMF e tloaelehileng sebakeng sa NMP, DMA, kapa metsoako ea binary e nang le DMSO e senya li-aggregate tse sa kopaneng nakong ea mehato e thata ea ho kopanya.
3. Khokahano ea Bio-Orthogonal le Cyclization
Liphetoho li tlameha ho itšetleha ka ho lebelloa, lik'hemik'hale tse fanang ka chelete e ngata tse qobang maikutlo a sa tobang:
- Tobetsa Chemistry (SPAAC & CuAAC): Bakeng sa ho ngolla sebaka se itseng, ho kenyelletsoa ha li-amino acid tseo e seng tsa canonical tse tsamaisang azide (mohlala, L-azidohomoalanine) kapa li-alkyne handles li lumella cycloaddition e se nang koporo ntle le khatello ea maikutlo. (SPAAC) ka DBCO-functionalized fluorophores, biotin, kapa liketane tsa PEG tlas'a maemo a bobebe a metsi.
- Stapling le Cyclilization: Ho notlela li-conformations tse boletsoeng esale pele tsa α-helical, hydrocarbon stapling ka metathesis e koalang lesale (RCM) kapa cyclization ea borokho ba lactam lipakeng tsa masala a Lys le Asp/Glu e matlafatsa botsitso ba proteolytic le ho kenella ha sele ha o ntse o lokisa conformation ea bioactive..
Melemo ea Tiered Orthogonal Validation
Kotsi e kholo ea ho sibolloa ha li-peptide tsa khomphutha ke ho tsamaisa lihlahisoa tse tala ka kotloloho litekong tse tlamang kapa tse thehiloeng liseleng.. Mehlala ea bohloeki bo bobe, trace truncation lihlahisoa, TFA e setseng, 'me li-colloidal aggregates hangata li hlahisa ts'ebetso e fosahetseng.
Ho etsa bonnete ba hore silika hits e ba e tšepahalang, lithuso tsa saense tse lekiloeng, mananeo a ho sibolla a lokela ho kenya tšebetsong 'mapa oa netefatso ea 4-tier orthogonal.
Ketsahalo ea bohlokoahali 1: 'Misa o tiileng & Bohloeki (HR-ESI-MS / RP-HPLC ≥95%)
Ketsahalo ea bohlokoahali 2: Monodispersity & Naha ea Tharollo (DLS PdI <0.15 / SEC-MALS) Ketsahalo ea bohlokoahali 3: Tlhahlobo ea Bohloeki ba Sebopeho sa Bobeli (Hole-UV CD 190–250 nm) Ketsahalo ea bohlokoahali 4: Tlamahano e tobileng ea Kinetic (SPR / EBA Li-Sensorgram tsa Nako ea Sebele)
Ketsahalo ea bohlokoahali 1: Netefatso ea 'Misa le Bohloeki bo tiileng (LC-MS)
- Sepheo sa Tlhahlobo: Netefatsa hore lintho tse bonahalang li tsamaellana le sebopeho se nepahetseng sa athomo sa tatellano e entsoeng 'me e kopana le maemo a fokolang..
- Mokhoa: High-resolution ESI-TOF kapa Orbitrap liquid chromatography-mass spectrometry (LC-MS) e sebetsang ka mokhoa o motle oa ion, e tsamaisanang le Ultra-Performance RP-HPLC e sebelisa kholomo ea C18 le a 0.1% TFA metsi / acetonitrile gradient.
- Mekhoa ea ho Amohela: Ehlile phoso ea boima ≤ 5 ppm; bohloeki ba chromatographic ≥ 95% ka kopano ea sebaka se phahameng sa UV ho 214 nm le 280 nm; ho se be teng ka botlalo ha tatellano e fokoditsweng ya ho hlakolwa kapa dihlopha tse sireleditseng tse sa hlakang. Joalo ka ha ho hlalositsoe ho Protocol ea PMC biophysical ea pele ea ho sibolla lithethefatsi (2020), netefatso ea boima bo matla ke tsela eo ho ke keng ha buisanoa ka eona ea ho kena bakeng sa litlhahlobo tsohle tse tlase tsa biophysical..
Ketsahalo ea bohlokoahali 2: Boitšoaro ba Tharollo le Monodispersity (DLS & SEC-MALS)
- Sepheo sa Tlhahlobo: Netefatsa hore peptide e lula e le monodisperse ka har'a buffer ea fisioloji 'me ha e thehe likarolo tse sa tobang tsa colloidal tse bakang thibelo e mpe kapa tlamahano e fosahetseng..
- Mokhoa: Ho hasana ha Leseli le Matla (DLS) ho lekanya radius ea hydrodynamic (Rₕ) ka mose ho sekhahla sa mahloriso (10 µM ho 1 mM), e tšehetsoa ke Size Exclusion Chromatography e kopantsoeng le Multi-Angle Light Scattering (SEC-MALS).
- Mekhoa ea ho Amohela: Polydispersity Index (PdI) < 0.15; tlhoro e le 'ngoe ea symmetric ho SEC-MALS e ts'oanang le monomeric e baloang (kapa dimeric ka boomo) boima ba molek'hule; ha ho kholo ea karoloana e itšetlehileng ka nako 24 lihora tse ka bang 25 ° C.
Tlhokomediso: Le ka mohla u se ke oa tlola DLS kapa SEC-MALS pele ho liteko tse tlamang tsa mahlo kapa tse thehiloeng holimo. Li-sub-micron colloidal aggregates li ka bapa ka mokhoa o sa tloaelehang ho mabota a microplate kapa li-sensor chips., ho hlahisa mats'oao a maiketsetso a nanomolar a nyamelang ha a lekoa khahlano le taolo ea monodisperse.
Ketsahalo ea bohlokoahali 3: Sebopeho sa Bobeli le Tlhahlobo e Menang ea Bohloeki (CD Spectroscopy)
- Sepheo sa Tlhahlobo: Etsa qeto ea hore na peptide e entsoeng e amohela sebopeho sa bobeli se boletsoeng esale pele ke AlphaFold, Rosetta, kapa mehlala e hlahisang.
- Mokhoa: Far-UV Circroism Dichroism (CD) spectroscopy e tlalehiloeng ho tloha 190 nm ho 250 nm ka li-quartz cuvettes (1 bolelele ba mm) tlasa maemo a fapaneng a buffer, mocheso, le tikoloho e etsisang membrane (mohlala, TFE kapa SDS micelles).
- Mekhoa ea ho Amohela: Lits'oants'o tse ikhethang tsa spectral tse tsamaellanang le memeno e boletsoeng esale pele:
- α-Helix: Habeli minima ho 208 nm le 222 nm, e nang le tlhoro e ntle e haufi 190 nm.
- Leqephe la β: Bonyane bo fokolang bo le bong ho 218 nm le tlhoro e ntle e haufi 195 nm.
- Coil e sa fetoheng: Negative bonyane haufi 198 nm (e bontshang tshomano e sa hlophisehang ka tharollo).
Ketsahalo ea bohlokoahali 4: Tekanyetso e Otlolohileng ea Kinetic le Tlhahlobo ea Ts'ebetso (SPR / PHETHA)
- Sepheo sa Tlhahlobo: Lekola kinetics e tlamang ea nako ea nnete (sekhahla sa mokhatlo kₒₙ, sekhahla sa ho arohana kₒff, le equilibrium dissociation constant K D) khahlano le protheine e lebelletsoeng.
- Mokhoa: Sefate sa Plasmon Resonance (SPR) kapa Bio-Layer Interferometry (PHETHA). Liprotheine tse lebelletsoeng ha li sebetse hantle ka ho kopanya amine kapa biotinylation e ikhethileng sebakeng sa li-sensor chips.. Li-peptide li kenngoa ka har'a letoto la li-concentration tse ngata tse pakeng tsa 0.1× K D ho isa ho 10× K D..
- Mekhoa ea ho Amohela: E itšetlehileng ka ho tsepamisa maikutlo, saturable sensorgrams e loketseng 1:1 Langmuir e tlamang mohlala; ho tlosa kanale ea litšupiso tse peli tse tiisang hore lefela le tlamahane le matrix; tumellano pakeng tsa kinetic K D (kₒff / kₒₙ) le lipalo tse tsitsitseng tsa kamano.
Tšebelisano bakeng sa Complex Synthesis le Ts'ebetso ea Sekala
Ho fetolela likhakanyo tsa ho ithuta ka mochini ka tatellano e lokiselitsoeng lab ho hloka tšebelisano e tiileng lipakeng tsa baeloji ea khomphutha le boiphihlelo bo ikhethang ba k'hemistri ea peptide.. Ha ka hare metsi-lab bokgoni kapa synthesis sesebediswa fokotsa ho tšoara ka tatellano thata, tšebelisano 'moho le sethala sa ho etsa lipatlisiso se inehetseng se koala lekhalo la ts'ebetso.
Ho Liphetoho tsa MOL, re sebetsa ka thata ho rarolla karohano ea computational-to-lab bakeng sa biotech e tsoetseng pele, meriana, le lihlopha tsa lipatlisiso tsa thuto:
- Teko ea Tatelano e Tloaelehileng & SPSS: Phethahatso ea Setsebi ea rarahaneng, hydrophobic, kapa tatellano e tloaelehileng ea ho kopanya e sebelisang mahlale a ikhethang a mekhahlelo e tiileng le ea phallo e etselitsoeng meralo e thata.. Litekong tsa benchmark tse nang le GRAVY e phahameng (>+0.4) meralo ea khomphutha, leano la rona la proactive pseudoproline dipeptide le ntlafalitse kakaretso ea lihlahisoa tse tsoang ho <15% ho feta 82%.
- Sehlopha 100 Ultra-Sterile Cleanroom Processing: Bakeng sa cell-based, organoid, kapa lits'ebetsong tsa vivo, li-peptide lia etsoa 'me li sebetsoa ka har'a Sehlopha 100 libaka tse nyopa, e fana ka taolo e matla ea sterility le ts'ebetso e netefalitsoeng ea endotoxin e tlase (< 0.01 EU/mg).
- Phatlalatso e Felletseng ea Phetoho: Ho fihlella ho feta 300 liphetoho tse sebetsang, ho akarelletsa le non-canonical amino acid, pseudoproline dipeptides, libaka tse khethehileng tsa ho tobetsa, li-labels tsa fluorescent, le ho ngola li-isotope tse tsitsitseng.
- Audit-Ready Analytical QC: Peptide e 'ngoe le e' ngoe e fanoeng e kenyelletsa lintlha tse felletseng, litokomane tse khethehileng tsa batch-tse nang le tsona li-chromatogram tsa HPLC tse ikhethileng ka bongata le ponahalo ea bongata ho netefatsa boitsebiso, bohloeki bo phahameng (≥95%), le ho tsitsana ka botlalo ho lotho.
Lethathamo le sebetsang la Phetolelo ea Silico Peptide
Ho tiisa phetoho ea likhakanyo tsa ho ithuta ka mochini hore e be matlotlo a ka lekoang a laboratori, sebelisa lethathamo le latelang la ts'ebetso:
- Tlhahlobo ea Tatelano ea Pele ho Motsoako
- Bala lintlha tsa GRAVY, ntlha ea motlakase, le aggregation factor (TSA).
- Tlaleha Asp-Pro, Asn-Gly, le mekhoa e sa sireletsoeng ea Met / Trp bakeng sa ho fokotsa lik'hemik'hale.
- Netefatsa bolelele ba kakaretso le tefiso e felletseng tlasa maemo a assay pH.
- Khetho ea Leano la Synthetic
- Khetha li-resin tsa PEG tse nkeloang sebaka ka tlase (0.15-0.25 mmol/g) bakeng sa tatelano > 20 masalla.
- Kenya dipeptide tsa pseudoproline esale pele libakeng tsa matsoalloa tsa Xaa-Ser/Thr tse ka har'a libaka tsa hydrophobic.
- Rera li-cocktails tsa scavenger bakeng sa tatelano e nang le masalla a sa utloeng bohloko ha oxidation.
- Netefatso ea Laboratori ea Tiered
- Netefatsa boima bo sa fetoheng ka ESI-MS ea boemo bo holimo (phoso ≤ 5 ppm) le bohloeki (≥ 95% ka HPLC).
- Lekola monodispersity ka DLS (PdI < 0.15) pele o qala lithuto tse tlamang.
- Netefatsa menahano e boletsoeng esale pele ka spectroscopy ea Far-UV CD.
- Etsa SPR/BLI kinetic e tlamang ka ho tlosa litšupiso tsa likanale tse peli.
