Structure of PDB 4xmg Chain A

Receptor sequence
>4xmgA (length=184) Species: 13249 (Rhodnius prolixus) [Search protein sequence]
PGECSVNVIPKKNLDKAKFFSGTWYETHYLDMDPQATEKFCFSFAPRESG
GTVKEALYHFNVDSKVSFYNTGTGPLESNGAKYTAKFNTVDKKGKEIKPA
DEKYSYTVTVIEAAKQSALIHICLQEDGKDIGDLYSVLNRNKNALPNKKI
KKALNKVSLVLTKFVVTKDLDCKYDDKFLSSWQK
3D structure
PDB4xmg Structure and dynamics of the membrane attaching nitric oxide transporter nitrophorin 7.
ChainA
Resolution1.8 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 E27 Y30 F41 F43 F45 L58 H60 F69 F88 Y107 I121 I123 L135 S137 E26 Y29 F40 F42 F44 L57 H59 F68 F87 Y106 I120 I122 L134 S136
BS02 IMD A I123 L125 L135 I122 L124 L134
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:0033484 intracellular nitric oxide homeostasis
GO:0034776 response to histamine
GO:0042311 vasodilation
GO:0044552 vasodilation in another organism
GO:0050819 negative regulation of coagulation
GO:0070527 platelet aggregation
Cellular Component
GO:0005576 extracellular region

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Cellular Component
External links
PDB RCSB:4xmg, PDBe:4xmg, PDBj:4xmg
PDBsum4xmg
PubMed26167269
UniProtQ6PQK2|NP7_RHOPR Nitrophorin-7

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