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3.A.2.1.7
F-type ATPase.  The enzyme can synthesize but not hydrolyze ATP due to the presence of the zeta inhibitor.  The crystal structure is known (Morales-Rios et al. 2015).  The complex that was crystallized contains the nine core proteins of the complete F-ATPase complex plus the zeta inhibitor protein. The formation of crystals depended upon the presence of bound bacterial cardiolipin and phospholipid molecules; when they were removed, the complex failed to crystallize.

Accession Number:A1B617
Protein Name:ATP synthase subunit b
Length:215
Molecular Weight:22388.00
Species:Paracoccus denitrificans (strain Pd 1222) [318586]
Number of TMSs:1
Location1 / Topology2 / Orientation3: Cell inner membrane1 / Single-pass membrane protein2
Substrate H+

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FASTA formatted sequence
1:	MFSLLQQTAP VVVEESETVI ITESAEAAGH GADAAHAVAG AADAAHGASA PGMPQLDFTT 
61:	FGNQIFWLLV ILAVIYWVLS RIALPRIGGV ISDRQGAITG DLMAAEEFKQ KAKEAEAAYD 
121:	KALADARAEA GKIVAANKAE IQKELDAAIA HADAEIAARA AESETRIGEI RASAVEDARS 
181:	VARDVTAALV ENFGGKLDQS LVDAAVDQRL KGALQ