Te Whakapiri i nga Matapae Peptide ML ki nga Raupapa Kua Riri-Raurangi: Nga Akoranga mai i nga Tauira Ahua-nui me nga Akoranga Hoahoa
Generative artificial intelligence, diffusion algorithms, and large-feature language models have altered the trajectory of peptide discovery. Computational platforms can evaluate billions of candidate sequences in hours, scoring candidates for binding affinity, receptor selectivity, and predicted secondary structure. Heoi ano, research teams frequently encounter a sharp drop in success rates when transitioning from in silico hits to physical wet-lab testing. A computationally optimized peptide that scores in the top 0.1% of a virtual screen may fail completely during solid-phase peptide synthesis (SPSS), aggregate during TFA cleavage, or form colloidal assemblies that produce false-positive signals in screening assays.
Translating machine learning predictions into testable, high-purity peptides requires an experimentally aware sequence triage framework. Rather than treating computational outputs as final candidates, leading discovery teams apply a secondary manufacturability filter that evaluates physical assembly limits, introduces predictable modification chemistries, me te tuku i nga kaitono ki te paipa whakamana orthogonal 4 taumata i mua i te whakangao ki nga whakamatautau koiora nui.
He aha nga Tauira Ako Miihini Ka Hanga Nga Rahunga Maaku-Lab
Ko te nuinga o nga tauira ako hohonu mo te hoahoa peptide e mahi ana i roto i te kaha pai, i te waahi hanganga ranei. Ko nga tohurangi kua whakangunguhia mo nga hanganga kirikiri PDB pateko, he raraunga hononga ranei e arotau ana mo te kaha tauwhitinga whainga, te whakakotahitanga hiko, me te pumau o te tuara tuara. Heoi ano, Ko enei tauira he iti rawa te whakauru i te ahupūngao matū o te whakaroa o nga mekameka peptide i runga i te tautoko totoka..
Ina hangaia e te tauira rorohiko he raupapa 20-mer, 30-mer ranei e whai kiko ana i nga toenga waiwai., β-pepa-whakatairanga kaupapa, he mekameka taha nui ranei, ka warewarehia nga miihini tinana o te huihuinga peptide. I te wa o te whakahiato peptide toka-waa Fmoc, ka tae te mekameka peptide tipu 8 ki 15 waikawa amino i te roa, Ka taea e te hononga hauwai-a-roto me te mekameka-roto te whakakorikori i te hanganga hanganga tuarua o te rau-β ki runga i te matrix kapia.. Ko tenei ahuatanga, e mohiotia ana ko te whakahiato kapia, ka aukati i te pupuhi whakarewa me te whakamarumaru i te amine mutunga-N mai i nga waikawa amino kua whakahoaho mai..
Taketake Matua: Karekau he tohu herenga rorohiko teitei e whakapumau i te whakahiato tinana. Ko nga putanga ako miihini kaore i tātarihia he maha nga wa e aro ana ki nga toenga hauwai me te β-pepa-pepa ka nui te whakahiato kapia., te hono kore, me nga poke kua tapatapahia i te wa e whakahiatotia ana te wahanga totoka.
Ko te whakahiato resin e arai ana ki nga tikanga koretake tuatahi e rua i roto i te mahinga taiwhanga maku:
- Ko te Tiakitanga Fmoc kaore i oti: Ko te whakahiatotanga o waenga-mekameka ka aukati i te uru o te piperidine ki te roopu N-terminal Fmoc. I roto i te rerenga rerenga, ka kitea tenei he whakaaturanga whakamaarama me te whakawhanui i te whakamarumaru UV. I roto i te kohinga puranga, karekau i oti te whakamarumaru kua tapahia nga rau, Tiaki Fmoc, nga hua taha acetylated ranei he uaua ki te wehe mai i te peptide whainga ma te HPLC whakamuri whakamuri.
- Te Whakakotahitanga me te aukati i te aukati: Ko nga toenga e tata ana, he nui, he utu ranei (pērā i te Arg karapīpiti, Me, Val, ko nga roopu Leu ranei) hanga popoketanga o te rohe. Ko nga whakamatautau honohono tae noa, tae atu ki te ninhydrin me te TNBS, he maha nga wa ka puta nga hua kino-kore i te wa e paheke ana te kapia, te huna i nga mekameka kaore i tauhohe kia kitea ra ano e te spectrometry papatipu nga raupapa mukunga.
Raupapa Ine Hanganga Whiriwhiringa
Hei aukati i nga raupapa mate-mutunga kia kore e uru ki te paipa whakahiato, Me haere nga patu rorohiko i roto i nga whiriwhiringa ine ine i mua i te tiimata o te whakahiato matū.
Whakatupu Kaitono (Kei Silico) → Te Hangahanga & Tirohanga Whakakotahitanga → Huringa Matū & Rautaki Tiaki → Huihuinga SPPS Tinana → Tiered Biophysical QC
1. Roro-Raina Fmoc Deprotection & Inenga Whakakotahitanga Otinga
Ko te tirotiro whakahiatotanga he whakakotahi i nga tohu rerenga-whakakotahi o mua me nga ture matū tinana. E rua nga inenga matua hei ine i te morearea whakahiato:
- Tauwehe Whakahuihui (O NGA): I ahu mai i te whakaurunga UV i roto i te raina i te wa e tango ana a Fmoc i te whakahiato rerenga, kua tautuhia ko te rereketanga i waenga i te whanui o te tihi whakamarumaru me tona teitei (AF = Wₙ – Hₙ). Nga raupapa e whakaatu ana i te AF > 20 he nui ake ranei te whanuitanga o te tihi parenga 20% e pa ana ki nga huringa o mua he nui te mate whakahiato. Ka rite ki whakaaturia i roto i te rangahau Matū Nature mo te whakahiato whakahiato peptide (2026), Ko te hanganga raupapa me te kohinga hydrophobic e akiaki ana i enei kohikohiko aukati.
- Taurangi whakahiato (AI): Ka arotake i te huihuinga colloidal-statuo-whakarewa ma te whakamahi i te spectrophotometry UV puta noa i nga roangaru e rua: AI = (A₃₅₀/A₂₈₀ – A₃₅₀) × 100 He AI kei raro 3 tohu he marama, otinga monomeric. He AI i waenganui 3 a 30 e whakaatu ana i te oligomerization marama, he AI kei runga 30 e tohu ana i te whakahiatotanga colloidal taumaha ka whakararu i te chromatography wai me nga whakamatautau koiora.
2. Te matewai, Te utu, me te Haangai Hanganga
Ko te hanganga raupapa e whakatau ana i te kaha SPPS me te wairewa wai:
- KAKARERE (Wawaenga Nui o Hydropathicity): Nga raupapa me te kaute GRAVY nui ake i +0.4 he tino hydrophobic me te kaha ki te ua i te wa e purea ana te HPLC.
- Triads Hydrophobic: Ko nga waikawa amino hydrophobic (e.g., Kōwhiringa-Kōwhiri-Kōwhiri, Phe-Ile-Leu, Trp-Trp-Val) te whakaoho tere i te whakahiato β-pepa i roto i te SPPS. Te whakauru i nga toenga kua utua (Lys, Arg, Glu) Ko nga waikawa amino whakararu-hanga ranei ka whakaiti i tenei ahuatanga.
- Tohu Isoelectric (pI) Tirohanga: Peptides whai pI e tata ana ki te pH parepare whaiaroaro (pH 7.0–7.4) he maha nga wa e whakaatu ana i te ngoikoretanga o te wairewa i te wa o te whakamatautau i runga i nga pūtau.
3. Te Maama Tauhohenga me te Taha Tauhohenga
Me arotake nga hoahoa rorohiko mo nga takirua waikawa amino tauhohe ka paheke noa i te wa o te whakahiato, wehewehenga, rokiroki ranei:
- Asp-Pro Cleavage: Ko nga here dipeptide waikawa-labile ka tere te autolysis i te waa o te paerewa 95% Ko te roopu hokohoko o nga TFA.
- Asn-Gly and Asp-Gly Aspartimide Formation: Ko te katinga o te mowhiti i raro i nga tikanga whakamarumaru piperidine ka puta mai nga takawaenga succinimide, ka puta ko te α- me nga hua taha β-aspartyl.
- Met and Trp Oxidation: Ko nga toenga methionine ka ngawari te waikura ki te sulfoxides, i te wa e hanga ana te tryptophan i nga hua taha t-butylated, polymeric ranei i te wa o te wehenga o te TFA mena he kaikokoti hamu. (e.g., EDT, thioanisole, wai, phenol) kei te hē te taurite.
- N-Terminal Gln Cyclization: Glutamine i te waahi 1 ka huri noa ki te pyroglutamate i raro i nga tikanga rokiroki waikawa, koretake ranei.
Matrix Triage Matrix Hanganga Ine
| Inenga / Āhuahira | Te Awhe Tino Pai | Taitapa (Ka hiahiatia he awhina matū) | Paepae Whakakahore Morearea Nui | Te Putanga o te Wet-Lab |
|---|---|---|---|---|
| Te roa (Nga toenga) | 5 – 25 waikawa amino | 26 – 40 waikawa amino | > 45 waikawa amino | Paheketanga nui o te hua masivesivá; tere tapahi teitei |
| GRAVY Score | -0.8 ki +0.2 | +0.2 ki +0.5 | > +0.5 | Te kahakore o te wai; kore purenga |
| Tauwehe Whakahuihui (O NGA) | < 10 | 10 – 20 | > 20 | Ko nga tihi whakahekenga Fmoc papatahi; nga waikawa amino kore |
| Tohu Isoelectric (pI) | < 5.5 ranei > 8.5 | 5.8 – 6.5 ranei 7.8 – 8.2 | 6.8 – 7.5 | Ko te rerenga Isoelectric i roto i nga papaa-aroaro |
| Ihirangi Cys | 0 – 2 toenga | 3 – 4 toenga (whakahaeretia) | > 4 Cys kore takirua Te Kohanga Peptide | Nga piriti disulfide pohehe; oligomerization hāora |
| Kore Parenga Met / Trp | 0 toenga | 1 toenga (e hiahiatia ana he kaihoroi) | ≥ 2 toenga | He tere te hāora me te hanga taapiri i te wa o te wehenga TFA |
In Silico Matapae vs. Te Tikanga Maaku-Tau-a-tinana
<tIn Arotautanga Arotautanga Silico Kaiwhakarato Peptides Waehere“>Rohe Whakaaturanga
I roto i te Arotautanga Arotautanga Silico
Te Heretaunga Maaku-Tau-a-tinana / Aratau Rahunga
Te Rautaki Whakaiti Mahinga
<Whakamahia nga kapia PEG whakakapinga-iti me nga taapiri chaotropic (LiCl/DMF) Ch Peptide(Arg, Me, Val)
| Hanganga Tuarua | Whakanuia te α-helix / β-pepa pūmautanga i te pae herenga | Ko te whakahiato β-pepa i waenganui i nga mekameka i runga i te tautoko kapia | Whakauruhia nga dipeptides pseudoproline, nga roopu tiaki tuara ranei (Dmb/Hmb) |
| Ko te toenga waikore | Ka whakaemi i nga uho hydrophobic mo te hononga here teitei | Te wairewa iti, HPLC rerenga, me te pokanga poupou | Te tohatoha utu pauna; whakauru i nga tohu whakamaarama polar |
| Te Whakaroa mekameka | Ka mau i te taapiri raupapa rarangi kaore he arai piro | Whakamahia nga kapia PEG whakakapinga-iti me nga taapiri chaotropic (LiCl/DMF) | |
| Kaihoko Peptide Whakawhanaunga Whainga | Ko nga tohu ΔG me nga kinetics here i roto i te ahua monomeric pai | Ko te whakahuihui-a-whaiaro colloidal kore-motuhake e herea ai te moepuku | Whakamanahia te monodispersity ahua otinga ma te DLS (PdI <0.15) & SEC-MALS |
Matū Whakarerekētanga Matapae me ngā Āwhina Hangarite
I te wa e whakaatuhia ana e te raupapatanga o mua i te raupapatanga o te taitapa te hanga, Kaore nga kairangahau e hiahia ki te whakakore katoa i te patu. Ko te koiora matū e tuku ana i nga wawaotanga hanganga e whakararu ana mo te wa poto i te hanganga tuarua i te wa o te SPPS, ka whakapumau ranei i te raupapa mo te whakahaere taiwhanga..
1. Pseudoproline Dipeptides me nga Roopu Tiaki Tukiwi
Hei aukati i te whakahiato kapia i te wa e whakaroa ana nga mekameka, I hoki mai ahau ki te whakauru i nga tohunga kemu synthesis
Pseudoproline Dipeptides: Te whakauru oxazolidine derivatives o Serine, Threonine ranei—pēnei i te Fmoc-Xaa-Thr(Ψᵐᵉ˒ᵐᵉpro)-OH or Fmoc-Xaa-Ser(Ψᵐᵉ˒ᵐᵉpro)-OH—ka whakauru i te cis-conformation i te here peptide. Ka mahi tenei kink hei wehenga β-pepa i te wa SPPS, te tiaki i te pupuhi kapia. I runga i te wehenga TFA whakamutunga, te whakakai oxazolidine ka tuwhera ine ine ki te tuku i te tangata whenua Ser, Thr ranei. Peptide
n wehenga TFA whakamutunga, te whakakai oxazolidine ka tuwhera ine ine ki te tuku i te tangata whenua Ser, Thr ranei.
- N-Dmb me te N-Hmb Te Tiaki Tumuri: Ko nga pärönaki përä i te N-(2,4-dimethoxybenzyl) (Dmb) ranei N-(2-hydroxy-4-methoxybenzyl) (Hmb) whakakapi i nga protons amide i te taha o te tuara, eliminating the inter-chain hydrogen bonding network that drives aggregation.
Mo te Aki: When synthesizing computational designs longer than 20 residues containing hydrophobic domains, pre-plan the insertion of pseudoproline dipeptides at native Xaa-Ser or Xaa-Thr positions. This single modification can transform a completely uncouplable sequence into a high-yielding synthesis.
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Ghp Peptide Company Pseudoproline Intervention
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Item
| Detail | |
|---|---|
| Native Aggregating Sequence | H-Leu-Val-Val-Ile-Thr-Leu-Val-Gly-OH (High Resin Aggregation) |
| Pseudoproline Intervention | H-Leu-Val-Val-Ile-[Thr(Ψᵐᵉ˒ᵐᵉpro)]-Leu-Val-Gly-OH (Disrupted β-Sheet Structure) |
| Post-TFA Cleavage Product | H-Leu-Val-Val-Ile-Thr-Leu-Val-Gly-OH (Native Target Sequence) |
2. Hangahanga Resin me te Arotautanga Pūnaha Whakarewa
Matching the physical support to sequence characteristics is vital for difficult peptides:
- Low-Substitution PEG Resins: Traditional polystyrene resins with high substitution (0.6–1.0 mmol/g) ka tere te paheketanga mo nga peptides roa, hanga ranei. Te huri ki te tautoko i runga i te polyethylene glycol (e.g., TentaGel, NovaPEG, PEGA) me nga reiti whakakapinga iti (0.15–0.25 mmol/g) ka whakanui ake i te nui o te pupuhi kapia me te pupuri i te uru tuwhera ki nga waahi honohono.
- Nga Whakapiri Chaotropic me nga Wairewa Whakaranu: Te taapiri i nga tote chaotropic penei i te LiCl (0.8 M i DMF) te whakakapi ranei i te DMF paerewa ki te NMP, DMA, ko nga ranunga-rua kei roto DMSO ka whakararu i nga whakahiato-kore i roto i nga hikoi hono uaua.
3. Bio-Orthogonal Conjugation and Cyclization
Me whakawhirinaki nga whakarereketanga ki runga i te matapae, matū whai hua nui e karo ana i nga tauhohenga taha kore-motuhake:
- Pāwhiritia Matū (SPAAC & CuAAC): Mo te tapanga pae-motuhake, te whakauru o nga waikawa amino kore-kanoni e mau ana i te azide (e.g., L-azidohomoalanine) ko nga kakau alkyne ranei ka taea te whakaurunga azide-alkyne cycloaddition-kore-kore-kore (SPAAC) me nga fluorophores mahi a DBCO, koiora, nga mekameka PEG ranei i raro i nga tikanga wai ngawari.
- Te Maamaa me te Paihikara: Ki te maukati i te ahua o te α-helicical, te whakamau i te waro waro ma te metathesis kati (RCM) Ko te hurihanga piriti lactam ranei i waenga i nga toenga o Lys me Asp/Glu ka whakarei ake i te pumau o te proteolytic me te uruhanga o te pūtau i te wa e whakatika ana i te hanganga koiora..
Nga Tiered Orthogonal Validation Milestones
Ko te mahanga nui i roto i te kitenga peptide rorohiko ko te neke tika i nga patu waihanga maru ki roto i te herenga teitei, i nga whakamatautau-a-pūtau ranei.. Nga tauira pokekore, nga hua tapahi, TFA toenga, me nga whakahiato colloidal he maha nga wa ka whakaputa mahi teka-pai.
Ki te whakarite kia pono i roto i te silico hit, nga kaiarahi putaiao ka whakamatauria, me whakatinana nga kaupapa whakahura i te mapi huarahi whakamana orthogonal 4 taumata.
Milestone 1: Papatipu Tonu & Maamaa (HR-ESI-MS / RP-HPLC ≥95%)
Milestone 2: Monodispersity & State Solution (DLS PdI <0.15 / SEC-MALS) Milestone 3: Tirohanga Waihanga Tuarua (CD Far-UV 190–250 nm) Milestone 4: Here Kinetic Here (SPR / RIRO Wa-Tuturu Sensorgrams)
Milestone 1: Intact Mass and Purity Verification (LC-MS)
- Whāinga Tātari: Whakaaetia kia rite nga rawa tinana ki te titonga ngota tika o te raupapa i hangaia me te tutuki i nga paepae parakore iti..
- Tikanga: ESI-TOF teitei-taumira, Orbitrap wē chromatography-papatipu spectrometry (LC-MS) mahi i roto i te aratau katote pai, i honoa ki te Ultra-Performance RP-HPLC ma te whakamahi i te pou C18 me te a 0.1% Rōnaki wai/acetonitrile TFA.
- Paearu Whakaaetanga: Hapa papatipu tika ≤ 5 ppm; te pure chromatographic ≥ 95% na te whakaurunga rohe tihi UV i 214 nm me 280 nm; te kore katoa o nga raupapa mukunga kua tapatapahia, nga roopu whakamarumaru ranei. Ka rite ki nga korero i roto te PMC biophysical kawa moata kitea tarukino (2020), Ko te manatoko papatipu kaha ko te kuaha urunga kore-whakawhitiwhiti mo nga arotakenga koiora-a-roto katoa.
Milestone 2: Solution Behavior and Monodispersity (DLS & SEC-MALS)
- Whāinga Tātari: Verify that the peptide remains monodisperse in physiological buffer and does not form non-specific colloidal aggregates that cause promiscuous inhibition or false binding.
- Tikanga: Dynamic Light Scattering (DLS) measuring hydrodynamic radius (Rₕ) across a concentration gradient (10 µM to 1 mM), supported by Size Exclusion Chromatography paired with Multi-Angle Light Scattering (SEC-MALS).
- Paearu Whakaaetanga: Polydispersity Index (PdI) < 0.15; single symmetric peak on SEC-MALS matching the calculated monomeric (or intentional dimeric) taumaha ngota; no time-dependent particle growth over 24 hours at 25°C.
Whakatupato: Never skip DLS or SEC-MALS prior to optical or surface-based binding assays. Sub-micron colloidal aggregates can adsorb non-specifically to microplate walls or sensor chips, generating artificial nanomolar affinity signals that vanish when tested against monodisperse controls.
Milestone 3: Secondary Structure and Folding Sanity Check (CD Spectroscopy)
- Whāinga Tātari: Whakatauhia mena ka mau te peptide kua whakahiatohia ki te hanga tuarua i tohuhia e AlphaFold, Rosetta, tauira whakatipu ranei.
- Tikanga: Far-UV Circular Dichroism (CD) spectroscopy tuhia mai 190 nm ki 250 nm i roto i nga cuvettes kiripaka (1 mm roanga ara) i raro i nga tikanga parepare rereke, pāmahana, me nga taiao e peehia ana e te membrane (e.g., TFE, SDS micelles ranei).
- Paearu Whakaaetanga: Waitohu matakite rereke e taurite ana ki nga kopa matapae:
- α-Helix: Minima rua i 208 nm me 222 nm, me te tihi pai e tata ana 190 nm.
- β-pepa: Kotahi tōraro iti rawa i 218 nm me te tihi pai e tata ana 195 nm.
- Porowhita Matapōkere: Te iti iti tata 198 nm (e tohu ana i te hanganga kore i roto i te otinga).
Milestone 4: Direct Kinetic Binding and Functional Assay (SPR / BLI)
- Whāinga Tātari: Te ine i te wa-tūturu nga tikanga here (auau hononga kₒₙ, reiti wehewehe kₒff, me te taurite wehenga taurite K D) ki te pūmua ūnga.
- Tikanga: Resonance Plasmon Mata (SPR) Koiora-Layer Interferometry ranei (BLI). Ko nga pūmua whainga ka kore e nekehia ma te hononga amine, te biotinylation-a-papa ranei ki nga maramara puoro.. Ka werohia nga Peptides i roto i te raupapa kukū-maha te 0.1× K D ki te 10× K D.
- Paearu Whakaaetanga: Te ti'aturi-whakaaro, saturable sensorgrams fitting a 1:1 Tauira herea Langmuir; tangohanga hongere tohutoro rua-rua e whakau ana i te kore e herenga motuhake ki te matrix; te whakaaetanga i waenga i te K D (kₒff / kₒₙ) me ngā tātaitanga hononga pūmau.
Partnering for Complex Synthesis and Process Scaling
Ko te whakamaori i nga matapae ako miihini ki nga raupapa kua rite ki te taiwhanga, me kaha te ruruku i waenga i te koiora rorohiko me te tohungatanga matū peptide motuhake.. Ina whakawhäitihia te kaha o te taiwhanga-makuku o roto, te taputapu whakahiato ranei i te whakahaere i nga raupapa uaua, Ko te mahi tahi me tetahi papahanga whakahiato rangahau e piriti ana i te aputa mahi.
I Nga Huringa MOL, he tohungatanga matou ki te hono i te wehenga rorohiko-ki-taiwhanga mo te hangarau koiora matatau, rongoā, me nga roopu rangahau matauranga:
- Ritenga Raupapa Whakatau & SPSS: He tohunga ki te mahi matatini, hauwai, he raupapa whakahiato ranei e whakamahi ana i nga hangarau whakahiato-waa-toka me te rere o nga hangarau kua whakangao ki nga hoahoa uaua.. I roto i nga whakamatautau tohu me te GRAVY teitei (>+0.4) hoahoa rorohiko, ko ta maatau rautaki pseudoproline dipeptide i pai ake nga hua o te whakahiato mawhero toharite <15% ki runga 82%.
- Karaehe 100 Tukatuka Pure Maama Ultra-Sterile: Mo te-a-putau, organoid, i roto ranei i nga tono vivo, Ko nga peptides ka whakahiatohia me te tukatuka i roto i te akomanga 100 nga taiao parakore, te tuku i nga mana whakahoromata me te whakapumau i te tukatuka endotoxin iti (< 0.01 EU/mg).
- Kōpaki Whakarerekē Whānui: Te uru atu ki runga 300 whakarerekētanga mahi, tae atu ki nga waikawa amino kore-kanoni, pseudoproline dipeptides, nga kakau pawhiri-pae-motuhake, nga tapanga rewharewha, me te tapanga wetewete pumau.
- QC Analytical Arotake-Reri: Ko ia peptide ka tukuna he matawhānui, tuhinga-motuhake—e whakaatu ana nga chromatograms HPLC me te hiranga papatipu hei whakapumau i te tuakiri, purenga teitei (≥95%), me te whakaoti rota-ki-rota riterite.
Actionable Checklist for In Silico Peptide Translation
Hei whakataurite i te whakawhiti o nga matapae ako miihini ki nga rawa taiwhanga whakamatautau, whakamahia te rarangi arowhai whakahaere e whai ake nei:
- Aroturuki Tuhinga o mua
- Tātaihia te kaute GRAVY, ira hauhiko, me te take whakahiato (O NGA).
- Kara Asp-Pro, Asn-Gly, me nga motika Met/Trp kore parenga mo te whakaheke matū.
- Manatokohia te roa me te utu kupenga i raro i nga tikanga pH whakamatautau.
- Kōwhiringa Rautaki Hangarau
- Tīpakohia nga kapia PEG whakakapi iti (0.15–0.25 mmol/g) mo nga raupapa > 20 toenga.
- Whakauruhia nga dipeptides pseudoproline i mua i nga waahi taketake Xaa-Ser/Thr i roto i nga rohe hydrophobic.
- Whakamaherehia nga cocktails scavenger mo nga raupapa kei roto nga toenga waiora-tairongo.
- Whakamanatanga taiwhanga taumata
- Whakauhia te papatipu totika ma te ESI-MS taumira teitei (hapa ≤ 5 ppm) me te ma (≥ 95% na HPLC).
- Aromātaihia te monodispersity na DLS (PdI < 0.15) i mua i te tiimata i nga rangahau here.
- Whakamanahia te kopaki matapae e te Far-UV CD spectroscopy.
- Mahia te herenga hiko SPR/BLI me te tangohanga tohutoro hongere-rua.
