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1I78

CRYSTAL STRUCTURE OF OUTER MEMBRANE PROTEASE OMPT FROM ESCHERICHIA COLI

Functional Information from GO Data
ChainGOidnamespacecontents
A0004175molecular_functionendopeptidase activity
A0004190molecular_functionaspartic-type endopeptidase activity
A0004252molecular_functionserine-type endopeptidase activity
A0006508biological_processproteolysis
A0008233molecular_functionpeptidase activity
A0009279cellular_componentcell outer membrane
A0016787molecular_functionhydrolase activity
B0004175molecular_functionendopeptidase activity
B0004190molecular_functionaspartic-type endopeptidase activity
B0004252molecular_functionserine-type endopeptidase activity
B0006508biological_processproteolysis
B0008233molecular_functionpeptidase activity
B0009279cellular_componentcell outer membrane
B0016787molecular_functionhydrolase activity
Functional Information from PROSITE/UniProt
site_idPS00835
Number of Residues17
DetailsOMPTIN_2 Aspartyl proteases, omptin family signature 2. AGYQESRYSFTArGGSY
ChainResidueDetails
AALA132-TYR148

Functional Information from SwissProt/UniProt
site_idSWS_FT_FI1
Number of Residues34
DetailsTopological domain: {"description":"Periplasmic","evidences":[{"evidenceCode":"ECO:0000255"}]}
ChainResidueDetails

site_idSWS_FT_FI2
Number of Residues184
DetailsTransmembrane: {"description":"Beta stranded","evidences":[{"evidenceCode":"ECO:0000255"}]}
ChainResidueDetails

site_idSWS_FT_FI3
Number of Residues326
DetailsTopological domain: {"description":"Extracellular","evidences":[{"evidenceCode":"ECO:0000255"}]}
ChainResidueDetails

site_idSWS_FT_FI4
Number of Residues8
DetailsActive site: {"evidences":[{"source":"PubMed","id":"11576541","evidenceCode":"ECO:0000305"}]}
ChainResidueDetails

Catalytic Information from CSA
site_idCSA1
Number of Residues5
Detailsa catalytic site defined by CSA, PubMed 10692590, 11566868, 15315948
ChainResidueDetails
AHIS212
AASP85
AASP83
AALA99
AASP210

site_idCSA2
Number of Residues5
Detailsa catalytic site defined by CSA, PubMed 10692590, 11566868, 15315948
ChainResidueDetails
BHIS212
BASP85
BASP83
BALA99
BASP210

site_idMCSA1
Number of Residues5
DetailsM-CSA 821
ChainResidueDetails
AASP83electrostatic stabiliser
AASP85proton acceptor, proton donor
AALA99nucleofuge, nucleophile, proton acceptor, proton donor
AASP210electrostatic stabiliser
AHIS212proton acceptor, proton donor

site_idMCSA2
Number of Residues5
DetailsM-CSA 821
ChainResidueDetails
BASP83electrostatic stabiliser
BASP85proton acceptor, proton donor
BALA99nucleofuge, nucleophile, proton acceptor, proton donor
BASP210electrostatic stabiliser
BHIS212proton acceptor, proton donor

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PDB entries from 2026-03-11

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