Structure of PDB 8gxx Chain B

Receptor sequence

>8gxxB (length=578) Species: 300852 (Thermus thermophilus HB8)

MIQGVIQKIAGPAVIAKGMLGARMYDICKVGEEGLVGEIIRLDGDTAFVQ
VYEDTSGLKVGEPVVSTGLPLAVELGPGMLNGIYDGIQRPLERIREKTGI
YITRGVVVHALDREKKWAWTPMVKPGDEVRGGMVLGTVPEFGFTHKILVP
PDVRGRVKEVKPAGEYTVEEPVVVLEDGTELKMYHTWPVRRARPVQRKLD
PNTPFLTGMRILDVLFPVAMGGTAAIPGPFGAGKSVTQQSLAKWSNADVV
VYVGCGERGNEMTDVLVEFPELTDPKTGGPLMHRTVLIANTSNMPVAARE
ASIYVGVTIAEYFRDQGFSVALMADSTSRWAEALREISSRLEEMPAEEGY
PPYLAARLAAFYERAGKVITLGGEEGAVTIVGAVSPPGGDMSEPVTQSTL
RIVGAFWRLDASLAFRRHFPAINWNGSYSLFTSALDPWYRENVAEDYPEL
RDAISELLQREAGLQEIVQLVGPDALQDAERLVIEVGRIIREDFLQQNAY
HEVDAYCSMKKAYGIMKMILAFYKEAEAAIKRGVSIDEILQLPVLERIGR
ARYVSEEEFPAYFEEAMKEIQGAFKALA

3D structure

• PDB: 8gxx Cryo-EM analysis of V/A-ATPase intermediates reveals the transition of the ground-state structure to steady-state structures by sequential ATP binding.
• Chain: B
• Resolution: 3.0 Å

Enzymatic activity

• Enzyme Commision number: 7.1.2.2: H(+)-transporting two-sector ATPase.

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	B	G231 A232 G233 K234 S235 V236 F419 N498 Y500	G231 A232 G233 K234 S235 V236 F419 N498 Y500

Gene Ontology

Molecular Function

• GO:0005515 protein binding
• GO:0005524 ATP binding
• GO:0046933 proton-transporting ATP synthase activity, rotational mechanism
• GO:0046961 proton-transporting ATPase activity, rotational mechanism

Biological Process

• GO:0006754 ATP biosynthetic process
• GO:0042777 proton motive force-driven plasma membrane ATP synthesis
• GO:0046034 ATP metabolic process
• GO:1902600 proton transmembrane transport

Cellular Component

• GO:0045259 proton-transporting ATP synthase complex

External links

• PDB: RCSB:8gxx, PDBe:8gxx, PDBj:8gxx
• PDBsum: 8gxx
• PubMed: 36626983
• UniProt: Q56403|VATA_THET8 V-type ATP synthase alpha chain (Gene Name=atpA)