Structure of PDB 1sxy Chain A

Receptor sequence
>1sxyA (length=184) Species: 13249 (Rhodnius prolixus) [Search protein sequence]
ACTKNAIAQTGFNKDKYFNGDVWYVTDYLNLEPDDVPKRYCAALAAGTAS
GKLKEALYHYDPKTQDTFYDVSELQVESLGKYTANFKKVDKNGNVKVAVT
AGNYYTFTVMYADDSSALIHTCLHKGNKDLGDLYAVLNRNKDAAAGDKVK
SAVSAATLEFSKFISTKENNCAYDNDSLKSLLTK
3D structure
PDB1sxy Role of binding site loops in controlling nitric oxide release: structure and kinetics of mutant forms of nitrophorin 4
ChainA
Resolution1.07 Å
3D
structure
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Enzymatic activity
Enzyme Commision number 1.7.6.1: nitrite dismutase.
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 HEM A V36 P37 Y40 L57 H59 F68 D70 F86 K88 Y105 L123 K125 K128 L133 V36 P37 Y40 L57 H59 F68 D70 F86 K88 Y105 L123 K125 K128 L133
Gene Ontology
Molecular Function
GO:0016491 oxidoreductase activity
GO:0046872 metal ion binding
GO:0051381 histamine binding
GO:0070026 nitric oxide binding
Biological Process
GO:0042311 vasodilation
Cellular Component
GO:0005576 extracellular region

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Molecular Function
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Biological Process
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Cellular Component
External links
PDB RCSB:1sxy, PDBe:1sxy, PDBj:1sxy
PDBsum1sxy
PubMed15157102
UniProtQ94734|NP4_RHOPR Nitrophorin-4

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