Structure of PDB 3tfa Chain B

Receptor sequence
>3tfaB (length=183) Species: 103690 (Nostoc sp. PCC 7120 = FACHB-418) [Search protein sequence]
MYGLVNKAIQDMISKHHGEDTWEAIKQKAGLEDIDFFVGMEAYSDDVTYH
LVGAASEVLGKPAEELLIAFGEYWVTYTSEEGYGELLASAGDSLPEFMEN
LDNLHARVGLSFPQLRPPAFECQHTSSKSMELHYQSTRCGLAPMVLGLLH
GLGKRFQTKVEVTQTAFRETGEDHDIFSIKYED
3D structure
PDB3tfa Tunnels modulate ligand flux in a heme nitric oxide/oxygen binding (H-NOX) domain.
ChainB
Resolution2.2711 Å
3D
structure
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Enzymatic activity
Enzyme Commision number ?
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 B M1 Y2 W74 T78 Y83 F97 L101 H105 V108 L115 P118 Y134 S136 R138 M144 L148 M1 Y2 W74 T78 Y83 F97 L101 H105 V108 L115 P118 Y134 S136 R138 M144 L148
BS02 XE B W74 M144 W74 M144
Gene Ontology
Molecular Function
GO:0020037 heme binding
GO:0046872 metal ion binding

View graph for
Molecular Function
External links
PDB RCSB:3tfa, PDBe:3tfa, PDBj:3tfa
PDBsum3tfa
PubMed21997213
UniProtQ8YUQ7

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