eF-site ID 3bez-C
PDB Code 3bez
Chain C

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Title Crystal structure of Escherichia coli Signal peptide peptidase (SppA), SeMet crystals
Classification HYDROLASE
Compound Protease 4
Source Escherichia coli (strain K12) (SPPA_ECOLI)
Sequence C:  SRGALLLDISGVIVDKPQENSLFDIVNTIRQAKDDRNITG
IVXDLKNFAGGDQPSXQYIGKALKEFRDSGKPVYAVGENY
SQGQYYLASFANKIWLSPQGVVDLHGFATNGLYYKSLLDK
LKVSTHVFRVGTYKSAVEPFIRDDXSPAAREADSRWIGEL
WQNYLNTVAANRQIPAEQVFPGAQGLLEGLTKTGGDTAKY
ALENKLVDALASSAEIEKALTKEFGWSKTDKNYRAISYYD
YALKTPADTGDSIGVVFANGAIXDGEETQGNVGGDTTAAQ
IRDARLDPKVKAIVLRVNSPGGSVTASEVIRAELAAARAA
GKPVVVSXGGXAASGGYWISTPANYIVANPSTLTGSIGIF
GVITTVENSLDSIGVHTDGVSTSPLADVSITRALPPEAQL
XXQLSIENGYKRFITLVADARHSTPEQIDKIAQGHVWTGQ
DAKANGLVDSLGDFDDAVAKAAELAKVKQWHLEYYV
Description (1)  Crystal structure of Escherichia coli Signal peptide peptidase (SppA), SeMet crystals


Functional site

1) chain C
residue 409
type ACT_SITE
sequence S
description Nucleophile
source Swiss-Prot : SWS_FT_FI2

2) chain C
residue 209
type ACT_SITE
sequence K
description Proton donor/acceptor => ECO:0000305
source Swiss-Prot : SWS_FT_FI1


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