Structure of PDB 1sib Chain E

Receptor sequence
>1sibE (length=275) Species: 1423 (Bacillus subtilis) [Search protein sequence]
AQSVPYGVSQIKAPALHSQGYTGSNVKVAVIDSGIDSSHPDLKVAGGASM
VPSETNPFQDNNSHGTHVAGTVAALNNSIGVLGVAPSASLYAVKVLGADG
SGQYSWIINGIEWAIANNMDVINMSLGGPSGSAALKAAVDKAVASGVVVV
AAAGNEGTSGSSSTVGYPGKYPSVIAVGAVDSSNQRASFSSVGPELDVMA
PGVSIQSTLPGNKYGAYNGTSMASPHVAGAAALILSKHPNWTNTQVRSSL
ENTTTKLGDSFYYGKGLINVQAAAQ
3D structure
PDB1sib Refined crystal structures of subtilisin novo in complex with wild-type and two mutant eglins. Comparison with other serine proteinase inhibitor complexes.
ChainE
Resolution2.4 Å
3D
structure
Catalytic site residues are labeled in the structure
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Enzymatic activity
Catalytic site (original residue number in PDB) S221
Catalytic site (residue number reindexed from 1) S221
Enzyme Commision number 3.4.21.62: subtilisin.
Interaction with ligand
Site
#		 Ligand Ligand
chain		 Binding residues on receptor
(original residue number in PDB)		 Binding residues on receptor
(residue number reindexed from 1)		 Binding affinity
BS01 CA E G169 Y171 V174 A176 E195 G169 Y171 V174 A176 E195
BS02 CA E Q2 D41 L75 N77 I79 V81 Q2 D41 L75 N77 I79 V81
Gene Ontology
Molecular Function
GO:0004252 serine-type endopeptidase activity
GO:0008236 serine-type peptidase activity
Biological Process
GO:0006508 proteolysis

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Molecular Function
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Biological Process
External links
PDB RCSB:1sib, PDBe:1sib, PDBj:1sib
PDBsum1sib
PubMed1992167
UniProtP00782|SUBT_BACAM Subtilisin BPN' (Gene Name=apr)

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