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6NVB

Crystal structure of the inhibitor-free form of the serine protease kallikrein-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
C0004252molecular_functionserine-type endopeptidase activity
C0005576cellular_componentextracellular region
C0005615cellular_componentextracellular space
C0006508biological_processproteolysis
C0008233molecular_functionpeptidase activity
C0008236molecular_functionserine-type peptidase activity
C0016787molecular_functionhydrolase activity
C0022617biological_processextracellular matrix disassembly
C0030141cellular_componentsecretory granule
C0031214biological_processbiomineral tissue development
C0046872molecular_functionmetal ion binding
C0051604biological_processprotein maturation
C0097186biological_processamelogenesis
D0004252molecular_functionserine-type endopeptidase activity
D0005576cellular_componentextracellular region
D0005615cellular_componentextracellular space
D0006508biological_processproteolysis
D0008233molecular_functionpeptidase activity
D0008236molecular_functionserine-type peptidase activity
D0016787molecular_functionhydrolase activity
D0022617biological_processextracellular matrix disassembly
D0030141cellular_componentsecretory granule
D0031214biological_processbiomineral tissue development
D0046872molecular_functionmetal ion binding
D0051604biological_processprotein maturation
D0097186biological_processamelogenesis
Functional Information from PDB Data
site_idAC1
Number of Residues12
Detailsbinding site for residue GOL A 301
ChainResidue
AASP189
AGLY226
AHOH427
AHOH473
ASER190
ALYS217
APRO219
ACYS220
AGLY220
AGLN221
AVAL224
APRO225

site_idAC2
Number of Residues12
Detailsbinding site for residue GOL B 301
ChainResidue
BASP189
BSER190
BLYS217
BPRO219
BCYS220
BGLY220
BGLN221
BVAL224
BPRO225
BGLY226
BHOH494
BHOH531

site_idAC3
Number of Residues6
Detailsbinding site for residue GOL B 302
ChainResidue
AASP109
BVAL47
BHIS48
BPRO49
BSER120
BSER122

site_idAC4
Number of Residues7
Detailsbinding site for residue SO4 B 303
ChainResidue
BHIS57
BASN192
BGLY193
BSER195
BHOH407
BHOH529
BHOH613

site_idAC5
Number of Residues11
Detailsbinding site for residue GOL C 301
ChainResidue
CASP189
CSER190
CLYS217
CCYS220
CGLY220
CGLN221
CVAL224
CPRO225
CGLY226
CHOH447
CHOH479

site_idAC6
Number of Residues11
Detailsbinding site for residue GOL D 301
ChainResidue
DASP189
DSER190
DLYS217
DCYS220
DGLY220
DGLN221
DVAL224
DPRO225
DGLY226
DHOH440
DHOH444

site_idAC7
Number of Residues7
Detailsbinding site for residue GOL D 302
ChainResidue
CASP109
DVAL47
DHIS48
DPRO49
DSER120
DSER122
DHOH560

site_idAC8
Number of Residues7
Detailsbinding site for residue SO4 D 303
ChainResidue
DHIS57
DASN192
DGLY193
DSER195
DHOH422
DHOH471
DHOH519

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 Residues884
DetailsDomain: {"description":"Peptidase S1","evidences":[{"source":"PROSITE-ProRule","id":"PRU00274","evidenceCode":"ECO:0000255"}]}
ChainResidueDetails

site_idSWS_FT_FI2
Number of Residues12
DetailsActive site: {"description":"Charge relay system","evidences":[{"source":"PubMed","id":"16950394","evidenceCode":"ECO:0000269"}]}
ChainResidueDetails

site_idSWS_FT_FI3
Number of Residues8
DetailsBinding site: {"evidences":[{"source":"PubMed","id":"16950394","evidenceCode":"ECO:0000269"}]}
ChainResidueDetails

site_idSWS_FT_FI4
Number of Residues4
DetailsGlycosylation: {"description":"N-linked (GlcNAc...) asparagine","evidences":[{"evidenceCode":"ECO:0000255"}]}
ChainResidueDetails

246704

PDB entries from 2025-12-24

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