eF-site ID 1sky-BE PDB Code 1sky Chain B, E click to enlarge Title CRYSTAL STRUCTURE OF THE NUCLEOTIDE FREE ALPHA3BETA3 SUB-COMPLEX OF F1-ATPASE FROM THE THERMOPHILIC BACILLUS PS3 Classification ATP SYNTHASE Compound F1-ATPASE Source Bacillus sp. (strain PS3) (ATPB_BACP3) Sequence B:  SQIQVSDVGTVIQVGDGIARAHGLDNVMSGEAVEFANAVM GMALNLEENNVGIVILGPYTGIKEGDEVRRTGRIMEVPVG ETLIGRVVNPLGQPVDGLGPVETTETRPIESRAPGVMDRR SVHEPLQTGIKAIDALVPIGRGQRELIIGDRQTGKTSVAI DTIINQKDQNMICIYVAIGQKESTVATVVETLAKHGAPDY TIVVTASASQPAPLLFLAPYAGVAMGEYFMIMGKHVLVVI DDLSKQAAAYRQLSLLLRRPPGREAYPGDIFYLHSRLLER AAKLSDAKGGGSLTALPFVETQAGDISAYIPTNVISITDG QIFLQSDLFFSGVRPAINAGLSVSRVGGAAQIKAMKKVAG TLRLDLAAYRELEFAQFSDDKATQANVARGARTVEVLKQD LHQPIPVEKQVLIIYALTRGFLDDIPVEDVRRFEKEFYLW LDQNGQHLLEHIRTTKDLPNEDDLNQAIEAFKKTFVVSQ E:  MTRGRVIQVMGPVVDVKFENGHLPAIYNALKIQHKARNEN EVDIDLTLEVALHLGDDTVRTIAMASTDGLIRGMEVIDTG APISVPVGQVTLGRVFNVLGEPIDLEGDIPADARRDPIHR PAPKFEELATEVEILETGIKVVDLLAPYIKGGKIGLFGGA GVGKTVLIQELIHNIAQEHGGISVFAGVGERTREGNDLYH EMKDSGVISKTAMVFGQMNEPPGARMRVALTGLTMAEYFR DEQGQDGLLFIDNIFRFTQAGSEVSALLGRMPSAIGYQPT LATEMGQLQERITSTAKGSITSIQAIYVPADDYTDPAPAT TFSHLDATTNLERKLAEMGIYPAVDPLVSTSRALAPEIVG EEHYQVARKVQQTLERYKELQDIIAILGMDELSDEDKLVV HRARRIQFFLSQNFHVAEQFTGQPGSYVPVKETVRGFKEI LEGKYDHLPEDRFRLVGRIEEVVEKAKAMG Description Functional site 1) chain E residue 190 type sequence E description THE CARBOXYLATE GROUP OF THE GLUTAMIC ACID RESIDUE IS BELIEVED TO ACTIVATE A WATER MOLECULE FOR INLINE ATTACK ON THE GAMMA PHOSPHATE DURING ATP HYDROLYSIS. THE ARGININE RESIDUE (WHICH IS LOCATED ON AN ADJACENT ALPHA SUBUNIT) COULD HELP TO STABILIZE THE NEGATIVE CHARGE THAT DEVELOPS ON THE TERMINAL PHOSPHATE IN THE PUTATIVE PENTACOORDINATED TRANSITION STATE. source : CAT 2) chain B residue 170 type sequence D description BINDING SITE FOR RESIDUE SO4 B 503 source : AC1 3) chain B residue 172 type sequence Q description BINDING SITE FOR RESIDUE SO4 B 503 source : AC1 4) chain B residue 173 type sequence T description BINDING SITE FOR RESIDUE SO4 B 503 source : AC1 5) chain B residue 174 type sequence G description BINDING SITE FOR RESIDUE SO4 B 503 source : AC1 6) chain B residue 175 type sequence K description BINDING SITE FOR RESIDUE SO4 B 503 source : AC1 7) chain B residue 176 type sequence T description BINDING SITE FOR RESIDUE SO4 B 503 source : AC1 8) chain E residue 159 type sequence G description BINDING SITE FOR RESIDUE SO4 E 474 source : AC2 9) chain E residue 160 type sequence A description BINDING SITE FOR RESIDUE SO4 E 474 source : AC2 10) chain E residue 161 type sequence G description BINDING SITE FOR RESIDUE SO4 E 474 source : AC2 11) chain E residue 162 type sequence V description BINDING SITE FOR RESIDUE SO4 E 474 source : AC2 12) chain E residue 163 type sequence G description BINDING SITE FOR RESIDUE SO4 E 474 source : AC2 13) chain E residue 164 type sequence K description BINDING SITE FOR RESIDUE SO4 E 474 source : AC2 14) chain E residue 165 type sequence T description BINDING SITE FOR RESIDUE SO4 E 474 source : AC2 15) chain B residue 362 type SITE sequence S description Required for activity => ECO:0000255|HAMAP-Rule:MF_01346 source Swiss-Prot : SWS_FT_FI2 16) chain E residue 158 type BINDING sequence G description BINDING => ECO:0000255|HAMAP-Rule:MF_01347 source Swiss-Prot : SWS_FT_FI1 17) chain E residue 342-351 type prosite sequence PAVDPLVSTS description ATPASE_ALPHA_BETA ATP synthase alpha and beta subunits signature. PAVDPLVSTS source prosite : PS00152 18) chain B residue 355-364 type prosite sequence PAINAGLSVS description ATPASE_ALPHA_BETA ATP synthase alpha and beta subunits signature. PAVDPLVSTS source prosite : PS00152

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