Loading
PDBj
MenuPDBj@FacebookPDBj@X(formerly Twitter)PDBj@BlueSkyPDBj@YouTubewwPDB FoundationwwPDBDonate
RCSB PDBPDBeBMRBAdv. SearchSearch help

4U2W

Atomic resolution crystal structure of HV-BBI protease inhibitor from amphibian skin in complex with bovine trypsin

Functional Information from GO Data
ChainGOidnamespacecontents
A0004175molecular_functionendopeptidase activity
A0004252molecular_functionserine-type endopeptidase activity
A0005515molecular_functionprotein binding
A0005576cellular_componentextracellular region
A0005615cellular_componentextracellular space
A0006508biological_processproteolysis
A0007586biological_processdigestion
A0008233molecular_functionpeptidase activity
A0008236molecular_functionserine-type peptidase activity
A0016787molecular_functionhydrolase activity
A0046872molecular_functionmetal ion binding
A0097180cellular_componentserine protease inhibitor complex
A0097655molecular_functionserpin family protein binding
B0005576cellular_componentextracellular region
B0006952biological_processdefense response
Functional Information from PDB Data
site_idAC1
Number of Residues6
Detailsbinding site for residue CA A 301
ChainResidue
AGLU75
AASN77
AVAL80
AGLU85
AHOH502
AHOH504

site_idAC2
Number of Residues7
Detailsbinding site for residue SO4 A 302
ChainResidue
AGLN241
AEDO309
AHOH440
AHOH451
ALYS172
APRO176
AGLY177

site_idAC3
Number of Residues9
Detailsbinding site for residue EDO A 303
ChainResidue
AASN42
AGLY44
ATYR45
AILE78
AASN79
ASER167
ASER169
ASER170
AHOH420

site_idAC4
Number of Residues4
Detailsbinding site for residue EDO A 304
ChainResidue
AILE53
AASN54
AHOH619
AHOH722

site_idAC5
Number of Residues6
Detailsbinding site for residue EDO A 305
ChainResidue
ATYR28
ACYS30
ATHR34
AHOH661
AHOH734
AHOH735

site_idAC6
Number of Residues9
Detailsbinding site for residue EDO A 306
ChainResidue
ACYS132
AALA133
APHE184
AGLN211
ALYS231
ACYS233
AEDO307
AHOH506
AHOH626

site_idAC7
Number of Residues5
Detailsbinding site for residue EDO A 307
ChainResidue
AALA135
ALEU166
AEDO306
AHOH421
AHOH632

site_idAC8
Number of Residues5
Detailsbinding site for residue EDO A 308
ChainResidue
AHIS63
ACYS64
ALYS66
BSER9
BHOH101

site_idAC9
Number of Residues4
Detailsbinding site for residue EDO A 309
ChainResidue
AGLY177
AILE179
ASO4302
AHOH585

site_idAD1
Number of Residues7
Detailsbinding site for residue EDO A 310
ChainResidue
AASN100
ATHR103
AASN105
ATHR180
AHOH585
AHOH601
AHOH700

site_idAD2
Number of Residues7
Detailsbinding site for residue EDO A 311
ChainResidue
AARG72
AILE78
AVAL81
ASER169
AHOH402
AHOH410
AHOH502

Functional Information from PROSITE/UniProt
site_idPS00134
Number of Residues6
DetailsTRYPSIN_HIS Serine proteases, trypsin family, histidine active site. VSAAHC
ChainResidueDetails
AVAL59-CYS64

site_idPS00135
Number of Residues12
DetailsTRYPSIN_SER Serine proteases, trypsin family, serine active site. DScqGDSGGPVV
ChainResidueDetails
AASP194-VAL205

Functional Information from SwissProt/UniProt
site_idSWS_FT_FI1
Number of Residues220
DetailsDomain: {"description":"Peptidase S1","evidences":[{"source":"PROSITE-ProRule","id":"PRU00274","evidenceCode":"ECO:0000255"}]}
ChainResidueDetails

site_idSWS_FT_FI2
Number of Residues3
DetailsActive site: {"description":"Charge relay system"}
ChainResidueDetails

site_idSWS_FT_FI3
Number of Residues7
DetailsBinding site: {}
ChainResidueDetails

249697

PDB entries from 2026-02-25

PDB statisticsPDBj update infoContact PDBjnumon