Loading
PDBj
MenuPDBj@FacebookPDBj@TwitterPDBj@YouTubewwPDB FoundationwwPDB
RCSB PDBPDBeBMRBAdv. SearchSearch help

1HB0

Snapshots of serine protease catalysis: (D) acyl-enzyme intermediate between porcine pancreatic elastase and human beta-casomorphin-7 jumped to pH 10 for 2 minutes

Functional Information from GO Data
ChainGOidnamespacecontents
B0004252molecular_functionserine-type endopeptidase activity
B0005515molecular_functionprotein binding
B0005576cellular_componentextracellular region
B0005615cellular_componentextracellular space
B0006508biological_processproteolysis
B0008233molecular_functionpeptidase activity
B0008236molecular_functionserine-type peptidase activity
B0016787molecular_functionhydrolase activity
B0046872molecular_functionmetal ion binding
Functional Information from PDB Data
site_idAC1
Number of Residues6
DetailsBINDING SITE FOR RESIDUE CA B1246
ChainResidue
BGLU70
BASN72
BGLN75
BASN77
BGLU80
BHOH2030

site_idAC2
Number of Residues6
DetailsBINDING SITE FOR RESIDUE SO4 B1247
ChainResidue
BSER232
BALA233
BHOH2120
BGLY127
BARG145
BARG230

Functional Information from PROSITE/UniProt
site_idPS00134
Number of Residues6
DetailsTRYPSIN_HIS Serine proteases, trypsin family, histidine active site. MTAAHC
ChainResidueDetails
BMET53-CYS58

site_idPS00135
Number of Residues12
DetailsTRYPSIN_SER Serine proteases, trypsin family, serine active site. SGcqGDSGGPLH
ChainResidueDetails
BSER189-HIS200

Functional Information from SwissProt/UniProt
site_idSWS_FT_FI1
Number of Residues1
DetailsACT_SITE: Charge relay system => ECO:0000269|PubMed:4578945, ECO:0000269|PubMed:5415110
ChainResidueDetails
BHIS57

site_idSWS_FT_FI2
Number of Residues2
DetailsACT_SITE: Charge relay system => ECO:0000269|PubMed:5415110
ChainResidueDetails
BASP102
BSER195

site_idSWS_FT_FI3
Number of Residues4
DetailsBINDING: BINDING => ECO:0000269|PubMed:7656008, ECO:0007744|PDB:1ELA, ECO:0007744|PDB:1ELB, ECO:0007744|PDB:1ELC
ChainResidueDetails
BGLU70
BGLU80
BASN72
BGLN75

218500

PDB entries from 2024-04-17

PDB statisticsPDBj update infoContact PDBjnumon