Structure of PDB 3b2q Chain A

Receptor sequence
>3b2qA (length=436) Species: 2209 (Methanosarcina mazei) [Search protein sequence]
IAGPLIFVEKTEPVGYNEIVNIKMGDGTVRRGQVLDSSADIVVVQVFEIF
TGETLKLPASVDLLGRILSGSGEPRDGGPRIVPDQLLDINGAAMNPYARL
PPKDFIQTGISTIDGTNTLVRGQKLPIFSASGLPHNEIALQIARQASVPG
SESAFAVVFAAMGITNEEAQYFMSDFEKTGALERAVVFLNLADDPAVERI
VTPRMALTAAEYLAYEHGMHVLVILTDITNYAEALRQMGAARNEVPGRRG
YPGYMYTDLATLYERAGIVKGAKGSVTQIPILSMPGDDITHPIPDLSGYI
TEGQIVVARELHRKGIYPPINVLPSLSRLMNSGIGAGKTREDHKAVSDQM
YAGYAEGRDLRGLVAIVGKEALSERDTKFLEFADLFEDKFVRQGWNENRT
IEDTLEIGWQILTHLPENQLGRIDNKYIQKYHPAHR
3D structure
PDB3b2q Spectroscopic and crystallographic studies of the mutant R416W give insight into the nucleotide binding traits of subunit B of the A1Ao ATP synthase
ChainA
Resolution2.1 Å
3D
structure
Catalytic site residues are labeled in the structure
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Enzymatic activity
Catalytic site (original residue number in PDB) H156 I185 T186 R349
Catalytic site (residue number reindexed from 1) H135 I164 T165 R328
Enzyme Commision number 3.6.3.14: Transferred entry: 7.1.2.2.
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 A F149 S318 I321 V327 V328 R330 P345 F128 S297 I300 V306 V307 R309 P324 PDBbind-CN: -logKd/Ki=4.55,Kd=28uM
Gene Ontology
Molecular Function
GO:0005524 ATP binding
GO:0046933 proton-transporting ATP synthase activity, rotational mechanism
Biological Process
GO:0006754 ATP biosynthetic process
GO:0015986 proton motive force-driven ATP synthesis
GO:0042777 proton motive force-driven plasma membrane ATP synthesis
GO:0046034 ATP metabolic process
GO:1902600 proton transmembrane transport
Cellular Component
GO:0033178 proton-transporting two-sector ATPase complex, catalytic domain

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Molecular Function
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Biological Process
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Cellular Component
External links
PDB RCSB:3b2q, PDBe:3b2q, PDBj:3b2q
PDBsum3b2q
PubMed19003877
UniProtQ60187|VATB_METMA V-type ATP synthase beta chain (Gene Name=atpB)

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