Structure of PDB 1srp Chain A Binding Site BS01

Receptor Information
>1srp Chain A (length=468) Species: 617 (Serratia sp. E-15) [Search protein sequence] [Download receptor structure] [Download structure with residue number starting from 1] [View receptor structure]
TGYDAVDDLLHYHERGNGIQINGKDSFSNEQAGLFITRENQTWNGYKVFG
QPVKLTFSFPDYKFSSTNVAGDTGLSKFSAEQQQQAKLSLQSWADVANIT
FTEVAAGQKANITFGNYSQDRPGHYDYGTQAYAFLPNTIWQGQDLGGQTW
YNVNQSNVKHPATEDYGRQTFTHEIGHALGLSHPGDYNAGEGNPTYRDVT
YAEDTRQFSLMSYWSETNTGGDNGGHYAAAPLLDDIAAIQHLYGANLSTR
TGDTVYGFNSNTGRDFLSTTSNSQKVIFAAWDAGGNDTFDFSGYTANQRI
NLNEKSFSDVGGLKGNVSIAAGVTIENAIGGSGNDVIVGNAANNVLKGGA
GNDVLFGGGGADELWGGAGKDIFVFSAASDSAPGASDWIRDFQKGIDKID
LSFFNKEAQSSDFIHFVDHFSGAAGEALLSYNASNNVTDLSVNIGGHQAP
DFLVKIVGQVDVATDFIV
Ligand information
Ligand IDCA
InChIInChI=1S/Ca/q+2
InChIKeyBHPQYMZQTOCNFJ-UHFFFAOYSA-N
SMILES
SoftwareSMILES
CACTVS 3.341[Ca++]
ACDLabs 10.04
OpenEye OEToolkits 1.5.0		[Ca+2]
FormulaCa
NameCALCIUM ION
ChEMBL
DrugBankDB14577
ZINC
PDB chain1srp Chain A Residue 911 [Download ligand structure] [Download structure with residue number starting from 1] [View ligand structure]
Receptor-Ligand Complex Structure
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PDB1srp Crystal structure of Serratia protease, a zinc-dependent proteinase from Serratia sp. E-15, containing a beta-sheet coil motif at 2.0 A resolution.
Resolution2.0 Å
Binding residue
(original residue number in PDB)		R253 G255 T257 D285 G287 D290
Binding residue
(residue number reindexed from 1)		R250 G252 T254 D282 G284 D287
Annotation score4
Enzymatic activity
Enzyme Commision number 3.4.24.40: serralysin.
Gene Ontology
Molecular Function
GO:0004222 metalloendopeptidase activity
GO:0005509 calcium ion binding
GO:0008237 metallopeptidase activity
GO:0008270 zinc ion binding
GO:0046872 metal ion binding
Biological Process
GO:0006508 proteolysis
Cellular Component
GO:0005576 extracellular region
GO:0005615 extracellular space
GO:0031012 extracellular matrix

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Molecular Function
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Biological Process
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Cellular Component
External links
PDB RCSB:1srp, PDBe:1srp, PDBj:1srp
PDBsum1srp
PubMed8797082
UniProtP07268|PRZN_SERME Serralysin

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