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4KGA

Crystal structure of kallikrein-related peptidase 4

Functional Information from GO Data
ChainGOidnamespacecontents
A0004252molecular_functionserine-type endopeptidase activity
A0005576cellular_componentextracellular region
A0005615cellular_componentextracellular space
A0006508biological_processproteolysis
A0008233molecular_functionpeptidase activity
A0008236molecular_functionserine-type peptidase activity
A0016787molecular_functionhydrolase activity
A0022617biological_processextracellular matrix disassembly
A0030141cellular_componentsecretory granule
A0031214biological_processbiomineral tissue development
A0046872molecular_functionmetal ion binding
A0051604biological_processprotein maturation
A0097186biological_processamelogenesis
B0004252molecular_functionserine-type endopeptidase activity
B0005576cellular_componentextracellular region
B0005615cellular_componentextracellular space
B0006508biological_processproteolysis
B0008233molecular_functionpeptidase activity
B0008236molecular_functionserine-type peptidase activity
B0016787molecular_functionhydrolase activity
B0022617biological_processextracellular matrix disassembly
B0030141cellular_componentsecretory granule
B0031214biological_processbiomineral tissue development
B0046872molecular_functionmetal ion binding
B0051604biological_processprotein maturation
B0097186biological_processamelogenesis
Functional Information from PDB Data
site_idAC1
Number of Residues4
DetailsBINDING SITE FOR RESIDUE NI A 301
ChainResidue
AHIS25
AGLU77
AHOH405
AHOH416

site_idAC2
Number of Residues6
DetailsBINDING SITE FOR RESIDUE NI A 302
ChainResidue
AHOH427
AHIS57
AGLN186
ASER195
ASER214
AHOH415

site_idAC3
Number of Residues3
DetailsBINDING SITE FOR RESIDUE NI B 301
ChainResidue
BHIS57
BGLN186
BSER195

site_idAC4
Number of Residues4
DetailsBINDING SITE FOR RESIDUE NI B 302
ChainResidue
BHIS25
BGLU77
BHOH416
BHOH417

site_idAC5
Number of Residues2
DetailsBINDING SITE FOR RESIDUE EDO B 303
ChainResidue
BLYS217
BVAL222

Functional Information from PROSITE/UniProt
site_idPS00134
Number of Residues6
DetailsTRYPSIN_HIS Serine proteases, trypsin family, histidine active site. LSAAHC
ChainResidueDetails
ALEU53-CYS58

site_idPS00135
Number of Residues12
DetailsTRYPSIN_SER Serine proteases, trypsin family, serine active site. DScnGDSGGPLI
ChainResidueDetails
AASP189-ILE200

Functional Information from SwissProt/UniProt
site_idSWS_FT_FI1
Number of Residues6
DetailsActive site: {"description":"Charge relay system","evidences":[{"source":"PubMed","id":"16950394","evidenceCode":"ECO:0000269"}]}
ChainResidueDetails

site_idSWS_FT_FI2
Number of Residues4
DetailsBinding site: {"evidences":[{"source":"PubMed","id":"16950394","evidenceCode":"ECO:0000269"}]}
ChainResidueDetails

site_idSWS_FT_FI3
Number of Residues2
DetailsGlycosylation: {"description":"N-linked (GlcNAc...) asparagine","evidences":[{"evidenceCode":"ECO:0000255"}]}
ChainResidueDetails

247536

PDB entries from 2026-01-14

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