Structure of PDB 7ahd Chain D

Receptor sequence
>7ahdD (length=260) Species: 1360 (Lactococcus lactis subsp. lactis) [Search protein sequence]
VKIKIEHLTKIFGKRIKTALTMVEKGEPKNEILKKTGATVGVYDTNFEIN
EGEIFVIMGLSGSGKSTLLRLLNRLIEPTSGKIFIDNQDVATLNKEDLLQ
VRRKTMSMVFQNFGLFPHRTILENTEYGLEVQNVPKEERRKRAEKALDNA
NLLDFKDQYPKQLSGGMQQRVGLARALANDPEILLMDQAFSALDPLIRRE
MQDELLELQAKFQKTIIFVSHDLNEALRIGDRIAIMKDGKIMQIGTGEEI
LTNPANDYVK
3D structure
PDB7ahd Gating by ionic strength and safety check by cyclic-di-AMP in the ABC transporter OpuA.
ChainD
Resolution3.4 Å
3D
structure
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Enzymatic activity
Enzyme Commision number 7.6.2.9: ABC-type quaternary amine transporter.
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 ATP D K163 Q164 S166 M169 K161 Q162 S164 M167
BS02 ATP D F14 T41 S63 G64 G66 K67 S68 T69 Q113 Q190 H223 F12 T39 S61 G62 G64 K65 S66 T67 Q111 Q188 H221
Gene Ontology
Molecular Function
GO:0005524 ATP binding
GO:0015418 ABC-type quaternary ammonium compound transporting activity
GO:0016887 ATP hydrolysis activity
Biological Process
GO:0006865 amino acid transport
GO:0031460 glycine betaine transport
Cellular Component
GO:0016020 membrane

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Cellular Component
External links
PDB RCSB:7ahd, PDBe:7ahd, PDBj:7ahd
PDBsum7ahd
PubMed33208376
UniProtQ9KIF7|OPUAA_LACLA Glycine betaine transport ATP-binding protein OpuAA (Gene Name=opuAA)

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