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6EST

INTERACTION OF THE PEPTIDE CF3-LEU-ALA-NH-C6H4-CF3(TFLA) WITH PORCINE PANCREATIC ELASTASE. X-RAY STUDIES AT 1.8 ANGSTROMS

Functional Information from GO Data
ChainGOidnamespacecontents
A0004252molecular_functionserine-type endopeptidase activity
A0005515molecular_functionprotein binding
A0005576cellular_componentextracellular region
A0005615cellular_componentextracellular space
A0006508biological_processproteolysis
A0008233molecular_functionpeptidase activity
A0008236molecular_functionserine-type peptidase activity
A0016787molecular_functionhydrolase activity
A0046872molecular_functionmetal ion binding
Functional Information from PDB Data
site_idAC1
Number of Residues7
DetailsBINDING SITE FOR RESIDUE CA A 249
ChainResidue
AHOH258
AGLU70
AASN72
ALEU73
AGLN75
AASN77
AGLU80

site_idAC2
Number of Residues3
DetailsBINDING SITE FOR RESIDUE SO4 A 250
ChainResidue
AGLY127
AARG230
AALA233

site_idAC3
Number of Residues8
DetailsBINDING SITE FOR RESIDUE DMF A 246
ChainResidue
AGLY18
AGLY19
ATHR20
ATYR117
AGLN157
AALA158
ATYR159
AARG188

site_idAC4
Number of Residues6
DetailsBINDING SITE FOR RESIDUE DMF A 247
ChainResidue
AHIS57
AGLN192
AGLY193
ASER195
AHOH260
AHOH263

site_idAC5
Number of Residues4
DetailsBINDING SITE FOR RESIDUE DMF A 248
ChainResidue
AVAL59
AASP60
AARG217
ALEU218

site_idCAT
Number of Residues3
Detailscatalytic site
ChainResidue
AHIS57
AASP102
ASER195

Functional Information from PROSITE/UniProt
site_idPS00134
Number of Residues6
DetailsTRYPSIN_HIS Serine proteases, trypsin family, histidine active site. MTAAHC
ChainResidueDetails
AMET53-CYS58

site_idPS00135
Number of Residues12
DetailsTRYPSIN_SER Serine proteases, trypsin family, serine active site. SGcqGDSGGPLH
ChainResidueDetails
ASER189-HIS200

Functional Information from SwissProt/UniProt
site_idSWS_FT_FI1
Number of Residues237
DetailsDomain: {"description":"Peptidase S1","evidences":[{"source":"PROSITE-ProRule","id":"PRU00274","evidenceCode":"ECO:0000255"}]}
ChainResidueDetails

site_idSWS_FT_FI2
Number of Residues1
DetailsActive site: {"description":"Charge relay system","evidences":[{"source":"PubMed","id":"4578945","evidenceCode":"ECO:0000269"},{"source":"PubMed","id":"5415110","evidenceCode":"ECO:0000269"}]}
ChainResidueDetails

site_idSWS_FT_FI3
Number of Residues2
DetailsActive site: {"description":"Charge relay system","evidences":[{"source":"PubMed","id":"5415110","evidenceCode":"ECO:0000269"}]}
ChainResidueDetails

site_idSWS_FT_FI4
Number of Residues4
DetailsBinding site: {"evidences":[{"source":"PubMed","id":"7656008","evidenceCode":"ECO:0000269"},{"source":"PDB","id":"1ELA","evidenceCode":"ECO:0007744"},{"source":"PDB","id":"1ELB","evidenceCode":"ECO:0007744"},{"source":"PDB","id":"1ELC","evidenceCode":"ECO:0007744"}]}
ChainResidueDetails

Catalytic Information from CSA
site_idCSA1
Number of Residues2
DetailsAnnotated By Reference To The Literature 1a0j
ChainResidueDetails
ASER195
AGLY196

site_idCSA2
Number of Residues2
DetailsAnnotated By Reference To The Literature 1a0j
ChainResidueDetails
ASER195
AGLY193

site_idCSA3
Number of Residues3
DetailsAnnotated By Reference To The Literature 1a0j
ChainResidueDetails
AASP102
ASER195
AHIS57

site_idCSA4
Number of Residues4
DetailsAnnotated By Reference To The Literature 1a0j
ChainResidueDetails
AASP102
ASER195
AHIS57
AGLY196

site_idCSA5
Number of Residues4
DetailsAnnotated By Reference To The Literature 1a0j
ChainResidueDetails
AASP102
ASER195
AGLY193
AHIS57

site_idCSA6
Number of Residues2
DetailsAnnotated By Reference To The Literature 1a0j
ChainResidueDetails
AASP102
AHIS57

site_idCSA7
Number of Residues5
DetailsAnnotated By Reference To The Literature 1a0j
ChainResidueDetails
AASP102
ASER195
AGLY193
AHIS57
ASER214

239492

PDB entries from 2025-07-30

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