Structure of PDB 2id4 Chain B Binding Site BS03

Receptor Information
>2id4 Chain B (length=479) Species: 4932 (Saccharomyces cerevisiae) [Search protein sequence] [Download receptor structure] [Download structure with residue number starting from 1] [View receptor structure]
LPVKEAEDKLSINDPLFERQWHLVNPSFPGSDINVLDLWYNNITGAGVVA
AIVDDGLDYENEDLKDNFCAEGSWDFNDNTNLPKPRLSDDYHGTRCAGEI
AAKKGNNFCGVGVGYNAKISGIRILSGDITTEDEAASLIYGLDVNDIYSC
SWGPADDGRHLQGPSDLVKKALVKGVTEGRDSKGAIYVFASGNGGTRGDN
CNYDGYTNSIYSITIGAIDHKDLHPPYSEGCSAVMAVTYSSGSGEYIHSS
DINGRCSNSHGGTSAAAPLAAGVYTLLLEANPNLTWRDVQYLSILSAVGL
EKNADGDWRDSAMGKKYSHRYGFGKIDAHKLIEMSKTWENVNAQTWFYLP
TLYVSQSTNSTEETLESVITISEKSLQDANFKRIEHVTVTVDIDTEIRGT
TTVDLISPAGIISNLGVVRPRDVSSEGFKDWTFMSVAHWGENGVGDWKIK
VKTTENGHRIDFHSWRLKLFGESIDSSKT
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 chain2id4 Chain B Residue 906 [Download ligand structure] [Download structure with residue number starting from 1] [View ligand structure]
Receptor-Ligand Complex Structure
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PDB2id4 Differential P1 arginine and lysine recognition in the prototypical proprotein convertase Kex2.
Resolution1.9 Å
Binding residue
(original residue number in PDB)		D135 D184 K224 N227 F229 G231
Binding residue
(residue number reindexed from 1)		D14 D63 K103 N106 F108 G110
Annotation score4
Enzymatic activity
Catalytic site (original residue number in PDB) D175 H213 N314 S385
Catalytic site (residue number reindexed from 1) D54 H92 N193 S264
Enzyme Commision number 3.4.21.61: kexin.
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:2id4, PDBe:2id4, PDBj:2id4
PDBsum2id4
PubMed17426142
UniProtP13134|KEX2_YEAST Kexin (Gene Name=KEX2)

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