Structure of the SecA-SecY complex with the substrate FtsQ-LacY(+20C)

[(4Z)-2-(1-AMINO-2-HYDROXYETHYL)-4-(4-HYDROXYBENZYLIDENE)-5-OXO-4,5-DIHYDRO-1H-IMIDAZOL-1-YL]ACETIC ACID

SecY translocon chaperones protein folding during membrane protein insertion.

SecA-SecY complex with the substrate FtsQ-LacY(+20C)

Cell division protein FtsQ,Lactose permease

MLGILNKMFDPTKRTLNRYEKIANDIDAIRGDYENLSDDALKHKTIEFKERLEKGATTDDLLVEAFAVVREASRRVTGMF
PFKVQLMGGVALHDGNIAEMKTGEGKTLTSTLPVYLNALTGKGVHVVTVNEYLASRDAEQMGKIFEFLGLTVGLNLNSMS
KDEKREAYAADITYSTNNELGFDYLRDNMVLYKEQMVQRPLHFAVIDEVDSILIDEARTPLIISGQAAKSTKLYVQANAF
VRTLKAEKDYTYDIKTKAVQLTEEGMTKAEKAFGIDNLFDVKHVALNHHINQALKAHVAMQKDVDYVVEDGQVVIVDSFT
GRLMKGRRYSEGLHQAIEAKEGLEIQNESMTLATITFQNYFRMYEKLAGMTGTAKTEEEEFRNIYNMQVVTIPTNRPVVR
DDRPDLIYRTMEGKFKAVAEDVAQRYMTGQPVLVGTVAVETSELISKLLKNKGIPHQVLNAKNHEREAQIIEEAGQKGAV
TIATNMAGRGTDIKLGEGVKELGGLAVVGTERHESRRIDNQLRGRSGRQGDPGITQFYLSMEDELMRRFGAERTMAMLDR
FGMDDSTPIQSKMVSRAVESSQKRVEGNNFDSRKQLLQYDDVLRQQREVIYKQRFEVIDSENLREIVENMIKSSLERAIA
AYTPREELPEEWKLDGLVDLINTTYLDEGALEKSDIFGKEPDEMLELIMDRIITKYNEKEEQFGKEQMREFEKVIVLRAV
DSKWMDHIDAMDQLRQGIHLRAYAQTNPLREYQMEGFAMFEHMIESIEDEVAKFVMKA

MFRTISNFMRVSDIRNKIIFTLLMLIVFRIGTFIPVPSVNTDVLKLQDQLNAFGVLNIFCGGALQNFSIFAMGVMPYITA
SIIVQLLQMDVVPKFAEWSKQGEMGRRKLAQFTRYFTIVLGFIQALGMSYGFNNLAGGMLIQNPGIGTYLLIAVVLTAGT
AFLMWLGEQITAKGVGNGISIIIFAGIVSGIPTILNQIYAQTFENVGEDLTLNIVRLLLVALAVVAVIVGVIYIQQAFRK
IPIQYAKRLEGRNPVGGHSTHLPLKVNPAGVIPVIFAVSFLIAPPTIASFFGTNDVTLWIRRTFDYTHPVGMTIYVVLII
AFTYFYAFVQVNPEQMADNLKKQGGYIPGIRPGKNTQEYVTRILYRLTLVGSLFLAFIAVLPVFFVNFANLPPSAQIGGT
SLLIVVGVALETMKQLESQLVKRHYRGFIK

MAKKTILFLLTVLTTVLVSGWVVLGAQYEDGSSGVVILKTLHMFCVPFLLVGAFSNADTSISGDGDSPHSYHSGDGDKLP
EGV

VALVESGGALVQPGGSLRLSCAASGFPVNRYSMRWYRQAPGKEREWVAGMSSAGDRSSYEDSVKGRFTISRDDARNTVYL
QMNSLKPEDTAVYYCNVNVGFEYWGQGTQVTVSS

KGEELFTGVVPILVELDGDVNGHKFSVSGEGEGDATYGKLTLKFICTTGKLPVPWPTLVTTF(GYS)VQCFSRYPDHMKR
HDFFKSAMPEGYVQERTISFKDDGNYKTRAEVKFEGDTLVNRIELKGIDFKEDGNILGHKLEYNYNSHNVYITADKQKNG
IKANFKIRHNIEDGSVQLADHYQQNTPIGDGPVLLPDNHYLSTQSALSKDPNEKRDHMVLLEFVTAAGI

KGEELFTGVVPILVELDGDVNGHKFSVSGEGEGDATYGKLTLKFICTTGKLPVPWPTLVTTFSYGVQCFSRYPDHMKRHD
FFKSAMPEGYVQERTISFKDDGNYKTRAEVKFEGDTLVNRIELKGIDFKEDGNILGHKLEYNYNSHNVYITADKQKNGIK
ANFKIRHNIEDGSVQLADHYQQNTPIGDGPVLLPDNHYLSTQSALSKDPNEKRDHMVLLEFVTAAGI

Bacillus subtilis subsp. subtilis str. 168

Ministry of Science and Technology (MoST, China)

National Natural Science Foundation of China (NSFC)

Protein translocation, SecY, Membrane protein insertion, Protein chaperone, PROTEIN TRANSPORT

MFRTISNFMRVSDIRNKIIFTLLMLIVFRIGTFIPVPSVNTDVLKLQDQLNAFGVLNIFGGGALQNFSIFAMGVMPYITA
SIIVQLLQMDVVPKFAEWSKQGEMGRRKLAQFTRYFTIVLGFIQALGMSYGFNNLAGGMLIQNPGIGTYLLIAVVLTAGT
AFLMWLGEQITAKGVGNGISIIIFAGIVSGIPTILNQIYAQQFENVGEDLFLRIVRLLLVALAVVAVIVGVIYIQQAFRK
IPIQYAKRLEGRNPVGGHSTHLPLKVNPAGVIPVIFAVSFLIAPPTIASFFGTNDVTLWIRRTFDYTHPVGMTIYVVLII
AFTYFYAFVQVNPEQMADNLKKQGGYIPGIRPGKNTQEYVTRILYRLTLVGSLFLAFIAVLPVFFVNFANLPPSAQIGGT
SLLIVVGVALETMKQLESQLVKRHYRGFIK

KGEELFTGVVPILVELDGDVNGHKFSVSGEGEGDATYGKLTLKFICTTGKLPVPWPTLVTTFSYGVQCFSRYPDHMKQHD
FFKSAMPEGYVQERTIFFKDDGNYKTRAEVKFEGDTLVNRIELKGIDFKEDGNILGHKLEYNYNSHNVYIMADKQKNGIK
VNFKIRHNIEDGSVQLADHYQQNTPIGDGPVLLPDNHYLSTQSALSKDPNEKRDHMVLLEFVTAAGI