Haɗa Hasashen ML Peptide zuwa Jerin Shirye-shiryen Lab: Darussa daga Manyan Abubuwan Samfura da Nazarin Zane

Haɓaka hankali na wucin gadi, algorithms yaduwa, da manyan nau'ikan harshe sun canza yanayin gano peptide. Dandalin lissafi na iya kimanta biliyoyin jerin 'yan takara a cikin sa'o'i, zira kwallaye ga 'yan takara don ɗaure zumunci, zaɓin mai karɓa, da kuma annabta tsarin sakandare. Duk da haka, Ƙungiyoyin bincike akai-akai suna fuskantar raguwar raguwar ƙimar nasara lokacin canzawa daga siliki zuwa gwajin gwajin jika na zahiri.. Ingantattun peptide mai ƙididdigewa a sama 0.1% na allon kama-da-wane na iya gazawa gaba ɗaya yayin haɗakar peptide mai ƙarfi-lokaci (SPSS), jimlar lokacin tsagewar TFA, ko samar da taro na colloidal waɗanda ke samar da sigina masu inganci na karya a cikin tantancewa.
Fassara hasashen koyan inji zuwa abin da za a iya gwadawa, peptides masu tsafta suna buƙatar tsarin sanin gwajin gwaji. Maimakon ɗaukar sakamakon lissafin azaman ƴan takara na ƙarshe, manyan ƙungiyoyin ganowa suna amfani da matatar ƙira ta biyu wacce ke kimanta iyakokin haɗuwa ta zahiri, yana gabatar da gyare-gyaren sunadarai, da kuma ba da 'yan takara zuwa bututun ingantacciyar hanya mai lamba 4 kafin saka hannun jari a cikin manyan abubuwan bioassays..
Me yasa Motocin Koyon Inji ke haifar da gazawar rigar-Lab
Yawancin ƙirar ilmantarwa mai zurfi don ƙirar peptide suna aiki a cikin ingantacciyar makamashi ko sarari tsari. Algorithms da aka horar da su akan sifofin haɗin gwiwa na PDB ko bayanan alaƙa suna haɓaka ƙarfin hulɗar manufa., electrostatic complementarity, da kwanciyar hankali dihedral na baya. Duk da haka, waɗannan samfuran da kyar suna haɗa ilimin kimiyyar lissafi na sarkar peptide na matakin mataki akan ingantaccen tallafi.
Lokacin da ƙirar ƙididdiga ta haifar da jerin 20-mer ko 30-mer mai wadatar ragowar hydrophobic., β-sheet-promoting motifs, ko manyan sassan sassan gefe, yana kau da kai ga injiniyoyin jiki na taron peptide. A lokacin Fmoc m-lokaci peptide kira, yayin da sarkar peptide mai girma ta kai 8 ku 15 amino acid a tsayi, Tsakanin sarkar da sarkar hydrogen bonding na iya haifar da samuwar tsarin β-sheet na biyu kai tsaye akan matrix resin. Wannan lamari, aka sani da resin aggregation, yana hana kumburin ƙarfi da garkuwa da amine N-terminal daga kunnawa amino acid masu shigowa.
Key Takeaway: Babban ƙididdiga masu ɗauri ba su da garantin haɗawa ta jiki. Abubuwan ilmantarwa na injin da ba a tace su sau da yawa suna mayar da hankali kan abubuwan da ke haɓaka hydrophobic da β-sheet-sheet waɗanda ke haifar da tarawar guduro mai tsanani., hadewar da bata cika ba, da tarkace ƙazanta a lokacin daɗaɗɗen lokaci kira.
Haɗin guduro yana haifar da yanayin gazawar farko guda biyu a cikin aikin rigar-lab:
- Rashin Kammalawar Fmoc: Haɗin sarkar-tsalle yana ƙuntata damar piperidine zuwa ƙungiyar N-terminal Fmoc. A kwarara kira, wannan yana bayyana azaman lallausan da faɗaɗa bayanan kare kariya ta UV. A cikin tsari kira, ganyayyakin da ba su cika karewa ba sun yanke, Fmoc mai kariya, ko samfuran gefen acetylated waɗanda ke da wahala a raba su daga peptide da aka yi niyya ta hanyar shiri na baya-baya HPLC.
- Haɗin Haɗawa da Haɗin Kai: Ragowar da ke kusa da girma ko caji (kamar a jere Arg, Tare da, Val, ko kungiyoyin Leu) haifar da cunkoso na gida. Daidaitaccen gwajin haɗaɗɗiyar launi mai launi, ciki har da ninhydrin da TNBS, sau da yawa suna ba da sakamako mara kyau da zarar an samu rugujewar guduro mai tsanani, ɓoye sarƙoƙin da ba a amsa ba har sai da yawan spectrometry yana bayyana jerin gogewa mai yawa.
Filters Manufacturability Series
Don hana jerin matattu shiga cikin bututun kira, hits na lissafin dole ne su wuce ta hanyar tacewa mai ƙididdigewa kafin haɗin sinadarai ya fara.
Zurfin 'Yan Takara (In Siliko) → Yawan kerawa & Haɗin Haɓaka → Gyaran Sinadarai & Dabarun Kariya → Majalisar SPPS ta Jiki → Matsayin Halittu QC
1. In-Line Fmoc Deprotection & Ma'aunin Tarin Magani
Synthesizability nuni yana haɗo tarihin kwarara-hanyoyin kira tare da ka'idodin sunadarai na zahiri. Ma'auni maɓalli biyu suna ƙididdige haɗarin tarawa:
- Factor Tari (NA): An samo shi daga shayarwar UV ta-layi yayin cirewar Fmoc a cikin haɗin kwarara, an bayyana shi azaman bambanci tsakanin faɗin kololuwar kariya da tsayinsa (AF = Wₙ - Hₙ). Jerin suna nuna AF > 20 ko kololuwar rashin tsaro yana faɗaɗa girma fiye da 20% dangane da farkon hawan keke suna ɗaukar haɗari mai haɗari. Kamar yadda aka nuna a cikin nazarin Kimiyyar Halitta akan haɗakar peptide (2026), abun da ke ciki na jerin abubuwan da ke tattare da hydrophobic suna motsa waɗannan abubuwan rashin tsaro.
- Fihirisar Tari (AI): Yana ƙididdige taro-colloidal-jihar mafita ta amfani da UV spectrophotometry a cikin tsayin raƙuman ruwa biyu.: AI = (A₃₅₀/A₂₈₀ - A₃₅₀) × 100 AI a ƙasa 3 yana nuna bayyananne, monomeric bayani. AI tsakanin 3 kuma 30 yana nuna haske oligomerization, yayin da AI a sama 30 yana nuna tarin tarin colloidal mai nauyi wanda zai tsoma baki tare da chromatography na ruwa da kuma nazarin halittu.
2. Hydropathicity, Caji, da Tsarin Tsari
Tsarin jeri yana ƙayyadadden yuwuwar SPPS da kuma narkewar ruwa:
- GABATARWA (Babban Matsakaici na Hydropathicity): Jeri tare da makin GRAVY mafi girma fiye da +0.4 su ne sosai hydrophobic da kuma yiwuwa ga hazo a lokacin HPLC tsarkakewa.
- Triads na Hydrophobic: Amino acid hydrophobic a jere (misali, Zabi-Zabi-Zabi, Phe-Ile-Leu, Trp-Trp-Val) haifar da saurin tattara β-sheet yayin SPPS. Saka ragowar da aka caje (Lys, Arg, Glu) ko amino acid masu lalata tsarin suna rage wannan hali.
- Isoelectric Point (pI) Daidaitawa: Peptides tare da pI kusa da pH buffer physiological (pH 7.0-7.4) sau da yawa suna nuna rashin ƙarfi mara ƙarfi yayin gwajin tushen tantanin halitta.
3. Rashin kwanciyar hankali da sinadarai da Matsalolin Matsala
Dole ne a bincika ƙira na ƙididdiga don haɗin haɗin amino acid mai kunnawa waɗanda ke fuskantar lalacewa ba tare da bata lokaci ba yayin haɗawa., tsaga, ko ajiya:
- Asp-Pro Cleavage: Acid-labile dipeptide bonds waɗanda ke yin saurin autolysis yayin daidaitaccen aiki 95% Farashin TFA.
- Samar da Asn-Gly da Asp-Gly Aspartimide: Rufe zobe a ƙarƙashin ainihin yanayin kariyar piperidine yana haifar da matsakaicin succinimide, sakamakon α- da samfuran gefen β-aspartyl.
- Met da Trp Oxidation: Ragowar Methionine a shirye yake oxidize zuwa sulfoxides, yayin da tryptophan ke samar da samfuran t-butylated ko samfuran gefe na polymeric yayin tsagewar TFA idan abubuwan shaye-shaye. (misali, EDT, thioanisole, ruwa, phenol) ba daidai ba ne daidaita.
- N-Terminal Gln Cyclization: Glutamine a matsayi 1 ba zato ba tsammani yana hawan keke zuwa pyroglutamate a ƙarƙashin acidic ko tsaka-tsakin yanayi na ajiya.
Matrix Matrix Manufacturability Triage
| Ma'auni / Siffar | Madaidaicin Tsayin Target | Kan iyaka (Yana Bukatar Sinadari Aids) | Ƙaddamar Ƙarƙashin Haɗari | Sakamakon Rigar Lab |
|---|---|---|---|---|
| Tsawon (Ragowa) | 5 - 25 amino acid | 26 - 40 amino acid | > 45 amino acid | Faɗuwar faɗuwar ɗanyen amfanin ƙasa; high truncation kudi |
| Makin GRAVY | -0.8 ku +0.2 | +0.2 ku +0.5 | > +0.5 | Mai tsananin rashin narkewar ruwa; gazawar tsarkakewa |
| Factor Tari (NA) | < 10 | 10 - 20 | > 20 | Ƙunƙasar ƙaƙƙarfan ƙaƙƙarfan Fmoc; amino acid marasa amsawa |
| Isoelectric Point (pI) | < 5.5 ko > 8.5 | 5.8 - 6.5 ko 7.8 - 8.2 | 6.8 - 7.5 | Isoelectric hazo a cikin physiological buffers |
| Abun ciki na Cys | 0 - 2 saura | 3 - 4 saura (sarrafawa) | > 4 Cys ba tare da haɗin gwiwa ba Peptide Synthesis | Gadar disulfide maras kyau; oxidative oligomerization |
| Haɗuwa mara tsaro / Trp | 0 saura | 1 saura (ake bukata) | ≥ 2 saura | Saurin iskar oxygen da samuwar ƙulli yayin tsagewar TFA |
A cikin Hasashen Silico vs. Gaskiyar Jiki-Lab
<tIn Silico Optimization Focus Code Peptides Supplier">Yanki mai fasali
A cikin Silico Optimization Focus
Ƙuntatawar Jiki-Lab / Yanayin gazawa
Dabarun Rage Haɗin Kai
<Yi amfani da resins na PEG masu ƙarancin musanyawa da ƙari mai ruɗi (LiCl/DMF) Ch Peptide(Arg, Tare da, Val)
| Tsarin Sakandare | Yana haɓaka α-helix / β-sheet kwanciyar hankali a wurin daurin manufa | Inter-sarkar β-sheet tara kai tsaye akan tallafin guduro | Saka pseudoproline dipeptides ko ƙungiyoyi masu kare kashin baya (Dmb/Hmb) |
| Ragowar Hydrophobicity | Fakitin muryoyin hydrophobic don babban haɗin gwiwa | Low ruwa mai narkewa, HPLC hazo, da kuma lalata shafi | Rarraba cajin ma'auni; hada polar solubilizing tags |
| Tsawaita Sarkar | Yana ɗaukar ƙarin jerin layi ba tare da shinge mai tsauri ba | Yi amfani da resins na PEG masu ƙarancin musanyawa da ƙari mai ruɗi (LiCl/DMF) | |
| Mai sayar da Peptide Dangantakar manufa | Makina ΔG da ɗaure kinetics a cikin ingantaccen yanayin monomeric | Haɗin kai na colloidal mara takamaiman yana haifar da ɗaurin lalata | Tabbatar da rarrabuwar kawuna na jihar ta hanyar DLS (PdI <0.15) & SEC-MALS |
Chemistry Canje-canjen Hasashen da Kayan Taimakon Rubutu
Lokacin da jeri mai alƙawarin ƙididdigewa ya nuna ƙirƙira ƙirar iyaka, masu bincike ba sa buƙatar zubar da bugun gaba ɗaya. Ilimin kimiyyar halitta yana ba da tsoma baki na tsari wanda ke rushe tsarin na biyu na ɗan lokaci a lokacin SPPS ko daidaita tsarin sarrafa lab..
1. Pseudoproline Dipeptides da Ƙungiyoyin Kare Kashin baya
Don hana resin tarawa a lokacin sarkar elongation, Na dawo ne don gabatar da masanan sunadarai
Pseudoproline Dipeptides: Haɗa abubuwan samo asali na oxazolidine na Serine ko Threonine-kamar Fmoc-Xaa-Thr(Ƙaddamarwa Pro)-OH ko Fmoc-Xaa-Ser(Ƙaddamarwa Pro)-OH-yana gabatar da cis-conformation a haɗin peptide. Wannan kink yana aiki azaman β-sheet breaker yayin SPPS, kiyaye guduro kumburi. Bayan tsagewar TFA ta ƙarshe, zoben oxazolidine yana buɗe ƙididdiga don samar da ɗan ƙasa Ser ko Thr. Peptide
n karshe TFA cleavage, zoben oxazolidine yana buɗe ƙididdiga don samar da ɗan ƙasa Ser ko Thr.
- N-Dmb da N-Hmb Kariyar Kashin baya: Abubuwan da aka samo asali kamar N-(2,4-dimetoxybenzyl) (Dmb) ko N-(2-hydroxy-4-methoxybenzyl) (Hmb) maye gurbin protons amide tare da kashin baya, kawar da inter-chain hydrogen bonding network wanda ke tafiyar da tarawa.
Don Tukwici: Lokacin synthesizing ƙirar ƙira fiye da 20 ragowar da ke dauke da yankunan hydrophobic, kafin shirya shigar da pseudoproline dipeptides a matsayin Xaa-Ser ko Xaa-Thr.. Wannan gyare-gyare guda ɗaya na iya canza jeri gaba ɗaya wanda ba za a iya haɗa shi ba zuwa babban haɗin kai.
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Kamfanin Ghp Peptide Tsarin Pseudoproline
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Abu
| Daki-daki | |
|---|---|
| Jerin Tarin Taro na Ƙasa | H-Leu-Val-Val-Ile-Thr-Leu-Val-Gly-OH (Babban Resin Aggregation) |
| Tsarin Pseudoproline | H-Leu-Val-Val-Ile-[Thr(Ƙaddamarwa Pro)]-Leu-Val-Gly-OH (Rushe Tsarin β-Sheet) |
| Bayan-TFA Tsagewar Samfura | H-Leu-Val-Val-Ile-Thr-Leu-Val-Gly-OH (Jerin Maƙasudin Ƙasa) |
2. Gine-ginen Resin da Inganta Tsarin Warware
Daidaita goyon bayan jiki zuwa halaye na jeri yana da mahimmanci ga peptides masu wahala:
- Ƙarƙashin Maye gurbin PEG Resins: Resins na gargajiya na polystyrene tare da babban canji (0.6- 1.0 mmol/g) haifar da cunkoso mai sauri don dogon lokaci ko tsarin peptides. Juyawa zuwa goyon bayan tushen polyethylene glycol (misali, TentaGel, NovaPEG, PEGA) tare da ƙananan farashin canji (0.15-0.25 mmol/g) yana ƙara ƙarar kumburin guduro kuma yana kiyaye buɗe damar zuwa wuraren haɗin gwiwa.
- Abubuwan Haɗi da Haɗaɗɗen Magani: Ƙara gishiri mai ruɗi kamar LiCl (0.8 M in DMF) ko musanya daidaitaccen DMF tare da NMP, DMA, ko gaurayawan binaryar da ke ɗauke da DMSO suna tarwatsa abubuwan da ba su da alaƙa yayin matakan haɗakarwa masu wahala..
3. Haɗin Halitta-Orthogonal da Cyclization
gyare-gyare yakamata ya dogara da abin da ake iya faɗi, manyan sinadarai masu samar da wadataccen abinci waɗanda ke guje wa halayen da ba na musamman ba:
- Danna Chemistry (SPAAC & KuAAC): Don takamaiman lakabin rukunin yanar gizo, hada amino acid marasa canonical dauke da azide (misali, L-azidohomoalanine) ko hannun alkyne yana ba da damar haɓakar azide-alkyne cycloaddition ba tare da jan ƙarfe ba. (SPAAC) tare da fluorophores mai aiki na DBCO, biotin, ko sarƙoƙin PEG a ƙarƙashin yanayin ruwa mai laushi.
- Stapling da Cyclization: Don kulle annabta α-helical conformations, hydrocarbon stapling via zobe-rufe metathesis (RCM) ko hawan keken gadar lactam tsakanin Lys da ragowar Asp/Glu yana haɓaka kwanciyar hankali na proteolytic da haɓakar tantanin halitta yayin da ake daidaita yanayin haɓakar bioactive..
Ƙimar Ƙarfafa Ƙarfafa Ƙwararru
Babban ramuwa a cikin gano peptide na lissafi shine motsa ɗanyen roba kai tsaye zuwa ɗauri mai girma ko ƙididdigar tushen tantanin halitta.. Samfurori marasa tsarki, gano samfuran tsintsiya, saura TFA, da colloidal aggregates akai-akai samar da karya-tabbatacce aiki.
Don tabbatar da cewa a cikin siliki hits zama abin dogara, jarrabawar kimiyya jagororin, shirye-shiryen ganowa yakamata su aiwatar da taswirar ingantacciyar taswira mai hawa 4.
Muhimmi 1: Daidaitaccen Mass & Tsafta (HR-ESI-MS / RP-HPLC ≥95%)
Muhimmi 2: monodispersity & Jihar Magani (DLS PdI <0.15 / SEC-MALS) Muhimmi 3: Duban Tsaftataccen Tsari na Sakandare (Far-UV CD 190-250 nm) Muhimmi 4: Kinetic Daurin Kai tsaye (Farashin SPR / ZAMA Sensorgrams na Gaskiya)
Muhimmi 1: Tabbatacce Mass da Tsarkakewa (LC-MS)
- Manufar nazari: Tabbatar da kayan zahiri sun yi daidai da madaidaicin tsarin atomic na jeri da aka ƙera kuma ya sadu da mafi ƙanƙanta madaidaicin tsafta..
- Hanya: Babban ƙuduri ESI-TOF ko Orbitrap ruwa chromatography-mass spectrometry (LC-MS) aiki a cikin ingantaccen yanayin ion, haɗe tare da Ultra-Performance RP-HPLC ta amfani da shafi na C18 da a 0.1% TFA ruwa/acetonitrile gradient.
- Sharuɗɗan karɓa: Daidaitaccen kuskuren taro ≤ 5 ppm; chromatographic tsarki ≥ 95% ta UV peak area hadewa a 214 nm da 280 nm; jimillar rashi jerin sassan gogewa ko ƙungiyoyin kariya mara kyau. Kamar yadda bayani a cikin ka'idar PMC biophysical farkon gano magunguna (2020), Tabbatar da yawan jama'a ita ce ƙofar shiga da ba za a iya sasantawa ba don duk kimantawar biophysical na ƙasa..
Muhimmi 2: Halin Magani da Monodispersity (DLS & SEC-MALS)
- Manufar nazari: Tabbatar da cewa peptide ya kasance monodissperse a cikin physiological buffer kuma baya samar da takamaiman colloidal aggregates waɗanda ke haifar da hana lalata ko ɗaurin ƙarya..
- Hanya: Rarraba Haske Watsawa (DLS) auna hydrodynamic radius (Rₕ) fadin maida hankali gradient (10 µM ku 1 mM), goyan bayan Girman chromatography wanda aka haɗa tare da Multi-Angle Light Scattering (SEC-MALS).
- Sharuɗɗan karɓa: Polydispersity Index (PdI) < 0.15; kololuwar ma'auni ɗaya akan SEC-MALS daidai da ƙididdiga na monomeric (ko dimeric na ganganci) nauyin kwayoyin halitta; babu ci gaban barbashi mai dogaro da lokaci 24 zafin jiki na 25 ° C.
Gargadi: Kar a taɓa tsallake DLS ko SEC-MALS kafin gwajin ɗaurin gani ko tushen dauri. Ƙungiyoyin colloidal na sub-micron na iya haɗawa da ba musamman ga bangon microplate ko kwakwalwan firikwensin, samar da siginonin nanomolar wucin gadi waɗanda ke ɓacewa lokacin da aka gwada su akan sarrafa guda ɗaya.
Muhimmi 3: Tsarin Sakandare da Nadawa Tsaftataccen Tsafta (CD Spectroscopy)
- Manufar nazari: Ƙayyade ko haɗin peptide ɗin ya ɗauki tsarin na biyu wanda AlphaFold ya annabta, Rosetta, ko samfuri na haɓakawa.
- Hanya: Far-UV Circular Dichroism (CD) spectroscopy da aka rubuta daga 190 nm ku 250 nm a cikin quartz cuvettes (1 mm hanya) ƙarƙashin yanayi daban-daban, yanayin zafi, da muhalli-kwaikwayo (misali, TFE ko SDS micelles).
- Sharuɗɗan karɓa: Filayen sa hannu na bakan da suka dace da folds da aka annabta:
- α- Helix: Biyu minima a 208 nm da 222 nm, tare da ingantaccen kololuwa kusa 190 nm.
- β-Tafi: Single korau m a 218 nm da ingantaccen kololuwa kusa 195 nm.
- Random Coil: Mafi ƙanƙanta kusa 198 nm (yana nuna rashin tsari a cikin bayani).
Muhimmi 4: Daurin Kinetic Kai tsaye da Ƙwararren Aiki (Farashin SPR / ZAMA)
- Manufar nazari: Ƙididdige motsin ɗaurin ɗaurin lokaci na gaske (ƙimar ƙungiyar kₒₙ, rabon rabuwa kₒff, da ma'auni dissociation akai-akai KD) a kan manufa gina jiki.
- Hanya: Surface Plasmon Resonance (Farashin SPR) ko Bio-Layer Interferometry (ZAMA). Sunadaran sunadaran ba su motsi ta hanyar haɗin amine ko takamaiman wurin biotinylation akan kwakwalwan firikwensin. Ana allurar peptides a cikin jerin abubuwan tattarawa da yawa wanda ya kai 0.1 × K D zuwa 10 × K D.
- Sharuɗɗan karɓa: Natsuwa-dogara, saturable sensorgrams dacewa a 1:1 Langmuir dauri model; Rage tashoshi biyu na tunani yana tabbatar da sifili mara ƙayyadaddun ɗauri ga matrix; yarjejeniya tsakanin kinetic K D (ku f / ku ₙ) da kuma kididdigar dangantakar da ke tsakanin jihohi.
Haɗin kai don Haɗaɗɗen Haɗaɗɗiya da Ƙimar Tsari
Fassara hasashen koyan inji zuwa jerin shirye-shirye na lab yana buƙatar daidaitawa sosai tsakanin ilimin lissafin lissafi da ƙwarewa na musamman na peptide.. Lokacin da ƙarfin jika-lab na ciki ko haɗa kayan aiki yana iyakance sarrafa jeri masu wahala, haɗin gwiwa tare da sadaukarwar dandali na kira na bincike yana cike gibin kisa.
A Canje-canje na MOL, mun ƙware wajen haɗa rarrabuwar lissafi-zuwa-lab don ci gaban fasahar kere-kere, magunguna, da kungiyoyin bincike na ilimi:
- Matsala Tsari Na Musamman & SPSS: Ƙwararrun kisa na hadaddun, hydrophobic, ko jeri-sauƙi na tarawa ta amfani da ƙwararrun ƙwararrun ƙwararrun lokaci da fasahohin haɗar kwarara waɗanda aka keɓance da ƙira masu wahala.. A cikin gwajin ma'auni tare da babban-GRAVY (>+0.4) ƙirar ƙira, dabarun mu na pseudoproline dipeptide mai ɗorewa ya inganta matsakaicin adadin ɗanyen da ake samu daga <15% zuwa sama 82%.
- Class 100 Tsabtace Tsabtace Tsabtace Tsabtace Tsabtace: Don tushen tantanin halitta, organoid, ko aikace-aikacen vivo, peptides ana haɗa su kuma ana sarrafa su a cikin Class 100 bakararre muhalli, yana ba da kulawar haifuwa mai tsauri da garantin sarrafa ƙarancin endotoxin (< 0.01 EU/mg).
- Babban Fayil ɗin Gyarawa: Samun dama ga kan 300 gyare-gyaren aiki, gami da amino acid wadanda ba na canonical ba, pseudoproline dipeptides, takamammen mahallin dannawa, alamomin kyalli, kuma barga isotope lakabin.
- Analytical QC: Kowane peptide da aka kawo ya haɗa da m, ƙayyadaddun takaddun tsari - yana nuna ƙayyadaddun ƙayyadaddun tsari na HPLC chromatograms da bakan taro tabbatar da ganewa, high tsarki (≥95%), da cikakken daidaito-zuwa-yawa.
Jerin abubuwan da za a iya aiwatarwa don Fassarar Silico Peptide
Don daidaita jujjuyawar hasashen koyan na'ura zuwa kadarorin dakin gwaje-gwaje da za'a iya gwadawa, yi amfani da lissafin aiki mai zuwa:
- Pre-Synthesis Sequence Audit
- Yi lissafin maki GRAVY, isoelectric batu, da aggregation factor (NA).
- Tutar Asp-Pro, Asn-Gly, da abubuwan Met/Trp mara kariya don rage sinadarai.
- Tabbatar da tsayin gaba ɗaya da cajin gidan yanar gizo a ƙarƙashin yanayin tantance pH.
- Zabin Dabarun Dabaru
- Zaɓi resin PEG mai ƙananan musanya (0.15-0.25 mmol/g) don jerin abubuwa > 20 saura.
- Pre-saka pseudoproline dipeptides a asalin wuraren Xaa-Ser/Thr a cikin yankunan hydrophobic.
- Shirya cocktails scavenger don jerin abubuwan da ke ɗauke da ragowar abubuwan da ke tattare da iskar oxygen.
- Tabbacin Laboratory Level
- Tabbatar da ingantaccen taro ta ESI-MS babban ƙuduri (kuskure ≤ 5 ppm) da tsarki (≥ 95% ta HPLC).
- Ƙimar monodispersity ta DLS (PdI < 0.15) kafin fara karatun dauri.
- Tabbatar da ninki mai annabta ta Far-UV spectroscopy CD.
- Yi haɗin motsin motsi na SPR/BLI tare da ragi na tashoshi biyu.
