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1XKA

FACTOR XA COMPLEXED WITH A SYNTHETIC INHIBITOR FX-2212A,(2S)-(3'-AMIDINO-3-BIPHENYLYL)-5-(4-PYRIDYLAMINO)PENTANOIC ACID

Functional Information from GO Data
ChainGOidnamespacecontents
C0004252molecular_functionserine-type endopeptidase activity
C0006508biological_processproteolysis
L0005509molecular_functioncalcium ion binding
Functional Information from PDB Data
site_idAC1
Number of Residues5
DetailsBINDING SITE FOR RESIDUE CA C 501
ChainResidue
CASP70
CASN72
CGLN75
CGLU77
CGLU80

site_idAC2
Number of Residues20
DetailsBINDING SITE FOR RESIDUE 4PP C 500
ChainResidue
CASP189
CALA190
CGLN192
CSER195
CTRP215
CGLY216
CGLY218
CCYS220
CGLY226
CHOH517
CHOH519
CHOH578
CHOH583
LGLN56
LLYS79
LASN80
CGLU97
CTHR98
CTYR99
CPHE174

Functional Information from PROSITE/UniProt
site_idPS00010
Number of Residues12
DetailsASX_HYDROXYL Aspartic acid and asparagine hydroxylation site. CkDglgeYtCtC
ChainResidueDetails
LCYS61-CYS72

site_idPS00022
Number of Residues12
DetailsEGF_1 EGF-like domain signature 1. CtCleGfeGKnC
ChainResidueDetails
LCYS70-CYS81

site_idPS00134
Number of Residues6
DetailsTRYPSIN_HIS Serine proteases, trypsin family, histidine active site. LTAAHC
ChainResidueDetails
CLEU53-CYS58

site_idPS00135
Number of Residues12
DetailsTRYPSIN_SER Serine proteases, trypsin family, serine active site. DAcqGDSGGPHV
ChainResidueDetails
CASP189-VAL200

site_idPS01186
Number of Residues12
DetailsEGF_2 EGF-like domain signature 2. CtCleGFegkn....C
ChainResidueDetails
LCYS70-CYS81
LCYS109-CYS124

site_idPS01187
Number of Residues25
DetailsEGF_CA Calcium-binding EGF-like domain signature. DgDQCetsp..........Cqnqgk..CkDglgeYtC
ChainResidueDetails
LASP46-CYS70

Functional Information from SwissProt/UniProt
site_idSWS_FT_FI1
Number of Residues3
DetailsACT_SITE: Charge relay system
ChainResidueDetails
CHIS57
CASP102
CSER195

Catalytic Information from CSA
site_idCSA1
Number of Residues2
DetailsAnnotated By Reference To The Literature 1a0j
ChainResidueDetails
CASP102
CHIS57

site_idCSA2
Number of Residues2
DetailsAnnotated By Reference To The Literature 1a0j
ChainResidueDetails
CSER195
CGLY196

site_idCSA3
Number of Residues2
DetailsAnnotated By Reference To The Literature 1a0j
ChainResidueDetails
CSER195
CGLY193

site_idCSA4
Number of Residues3
DetailsAnnotated By Reference To The Literature 1a0j
ChainResidueDetails
CASP102
CSER195
CHIS57

site_idCSA5
Number of Residues4
DetailsAnnotated By Reference To The Literature 1a0j
ChainResidueDetails
CSER195
CASP100
CGLY193
CHIS57

site_idCSA6
Number of Residues4
DetailsAnnotated By Reference To The Literature 1a0j
ChainResidueDetails
CASP102
CSER195
CHIS57
CGLY196

site_idCSA7
Number of Residues4
DetailsAnnotated By Reference To The Literature 1a0j
ChainResidueDetails
CASP102
CSER195
CGLY193
CHIS57

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PDB entries from 2025-06-11

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