Structure of PDB 1rfn Chain A

Receptor sequence
>1rfnA (length=235) Species: 9606 (Homo sapiens) [Search protein sequence]
VVGGEDAKPGQFPWQVVLNGKVDAFCGGSIVNEKWIVTAAHCVETGVKIT
VVAGEHNIEETEHTEQKRNVIRIIPHHNYNAAINKYNHDIALLELDEPLV
LNSYVTPICIADKEYTNIFLKFGSGYVSGWGRVFHKGRSALVLQYLRVPL
VDRATCLRSTKFTIYNNMFCAGFHEGGRDSCQGDSGGPHVTEVEGTSFLT
GIISWGEECAMKGKYGIYTKVSRYVNWIKEKTKLT
3D structure
PDB1rfn Coagulation factor IXa: the relaxed conformation of Tyr99 blocks substrate binding.
ChainA
Resolution2.8 Å
3D
structure
Catalytic site residues are labeled in the structure
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Enzymatic activity
Catalytic site (original residue number in PDB) H57 D102 Q192 G193 D194 S195 G196
Catalytic site (residue number reindexed from 1) H41 D89 Q182 G183 D184 S185 G186
Enzyme Commision number 3.4.21.22: coagulation factor IXa.
Interaction with ligand
Site
#		 Ligand Ligand
chain		 Binding residues on receptor
(original residue number in PDB)		 Binding residues on receptor
(residue number reindexed from 1)		 Binding affinity
BS01 CA A E70 N72 E75 E77 E80 E55 N57 E60 E62 E65
BS02 PBZ A D189 S190 C191 Q192 W215 G216 D179 S180 C181 Q182 W205 G206
Gene Ontology
Molecular Function
GO:0004252 serine-type endopeptidase activity
Biological Process
GO:0006508 proteolysis

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Molecular Function
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Biological Process
External links
PDB RCSB:1rfn, PDBe:1rfn, PDBj:1rfn
PDBsum1rfn
PubMed10467148
UniProtP00740|FA9_HUMAN Coagulation factor IX (Gene Name=F9)

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