Structure of PDB 4hpa Chain A

Receptor sequence
>4hpaA (length=184) Species: 13249 (Rhodnius prolixus) [Search protein sequence]
ACTKNAIAQTGFNKDKYFNGDVWYVTDYLDLEPDDVPKRYCAALAAGTAS
GKLKEALYHYDPKTQDTFYDVSELQVESLGKYTANFKKVDKNGNVKVAVT
AGNYYTFTVMYADDSSALIHTCLHKGNKDLGDLYAVLNRNKDAAAGDKVK
SAVSAATLEFSKFISTKENNCAYDNDSLKSLLTK
3D structure
PDB4hpa Complexes of ferriheme nitrophorin 4 with low-molecular weight thiol(ate)s occurring in blood plasma
ChainA
Resolution1.5 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 Y28 Y40 L57 H59 F68 D70 F86 K88 Y105 F107 L123 K125 K128 L133 Y28 Y40 L57 H59 F68 D70 F86 K88 Y105 F107 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:4hpa, PDBe:4hpa, PDBj:4hpa
PDBsum4hpa
PubMed23474537
UniProtQ94734|NP4_RHOPR Nitrophorin-4

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