eF-site ID 4tkv-ABCD PDB Code 4tkv Chain A, B, C, D click to enlarge Title CO-bound Nitrogenase MoFe-protein from A. vinelandii Classification OXIDOREDUCTASE Compound Nitrogenase molybdenum-iron protein alpha chain Source ORGANISM_SCIENTIFIC: Azotobacter vinelandii; Sequence A:  MSREEVESLIQEVLEVYPEKARKDRNKHLAVNDPAVTQSK KCIISNKKSQPGLMTIRGCAYAGSKGVVWGPIKDMIHISH GPVGCGQYSRAGRRNYYIGTTGVNAFVTMNFTSDFQEKDI VFGGDKKLAKLIDEVETLFPLNKGISVQSECPIGLIGDDI ESVSKVKGAELSKTIVPVRCEGFRGVSQSLGHHIANDAVR DWVLGKRDEDTTFASTPYDVAIIGDYNIGGDAWSSRILLE EMGLRCVAQWSGDGSISEIELTPKVKLNLVHCYRSMNYIS RHMEEKYGIPWMEYNFFGPTKTIESLRAIAAKFDESIQKK CEEVIAKYKPEWEAVVAKYRPRLEGKRVMLYIGGLRPRHV IGAYEDLGMEVVGTGYEFAHNDDYDRTMKEMGDSTLLYDD VTGYEFEEFVKRIKPDLIGSGIKEKFIFQKMGIPFRQMHS WDYSGPYHGFDGFAIFARDMDMTLNNPCWKKLQAPWE B:  SQQVDKIKASYPLFLDQDYKDMLAKKRDGFEEKYPQDKID EVFQWTTTKEYQELNFQREALTVNPAKACQPLGAVLCALG FEKTMPYVHGSQGCVAYFRSYFNRHFREPVSCVSDSMTED AAVFGGQQNMKDGLQNCKATYKPDMIAVSTTCMAEVIGDD LNAFINNSKKEGFIPDEFPVPFAHTPSFVGSHVTGWDNMF EGIARYFTLKSMDDKVVGSNKKINIVPGFETYLGNFRVIK RMLSEMGVGYSLLSDPEEVLDTPADGQFRMYAGGTTQEEM KDAPNALNTVLLQPWHLEKTKKFVEGTWKHEVPKLNIPMG LDWTDEFLMKVSEISGQPIPASLTKERGRLVDMMTDSHTW LHGKRFALWGDPDFVMGLVKFLLELGCEPVHILCHNGNKR WKKAVDAILAASPYGKNATVYIGKDLWHLRSLVFTDKPDF MIGNSYGKFIQRDTLHKGKEFEVPLIRIGFPIFDRHHLHR STTLGYEGAMQILTTLVNSILERLDEETRGMQATDYNHDL VR C:  MSREEVESLIQEVLEVYPEKARKDRNKHLAVNDPAVTQSK KCIISNKKSQPGLMTIRGCAYAGSKGVVWGPIKDMIHISH GPVGCGQYSRAGRRNYYIGTTGVNAFVTMNFTSDFQEKDI VFGGDKKLAKLIDEVETLFPLNKGISVQSECPIGLIGDDI ESVSKVKGAELSKTIVPVRCEGFRGVSQSLGHHIANDAVR DWVLGKRDEDTTFASTPYDVAIIGDYNIGGDAWSSRILLE EMGLRCVAQWSGDGSISEIELTPKVKLNLVHCYRSMNYIS RHMEEKYGIPWMEYNFFGPTKTIESLRAIAAKFDESIQKK CEEVIAKYKPEWEAVVAKYRPRLEGKRVMLYIGGLRPRHV IGAYEDLGMEVVGTGYEFAHNDDYDRTMKEMGDSTLLYDD VTGYEFEEFVKRIKPDLIGSGIKEKFIFQKMGIPFRQMHS WDYSGPYHGFDGFAIFARDMDMTLNNPCWKKLQAPWE D:  SQQVDKIKASYPLFLDQDYKDMLAKKRDGFEEKYPQDKID EVFQWTTTKEYQELNFQREALTVNPAKACQPLGAVLCALG FEKTMPYVHGSQGCVAYFRSYFNRHFREPVSCVSDSMTED AAVFGGQQNMKDGLQNCKATYKPDMIAVSTTCMAEVIGDD LNAFINNSKKEGFIPDEFPVPFAHTPSFVGSHVTGWDNMF EGIARYFTLKSMDDKVVGSNKKINIVPGFETYLGNFRVIK RMLSEMGVGYSLLSDPEEVLDTPADGQFRMYAGGTTQEEM KDAPNALNTVLLQPWHLEKTKKFVEGTWKHEVPKLNIPMG LDWTDEFLMKVSEISGQPIPASLTKERGRLVDMMTDSHTW LHGKRFALWGDPDFVMGLVKFLLELGCEPVHILCHNGNKR WKKAVDAILAASPYGKNATVYIGKDLWHLRSLVFTDKPDF MIGNSYGKFIQRDTLHKGKEFEVPLIRIGFPIFDRHHLHR STTLGYEGAMQILTTLVNSILERLDEETRGMQATDYNHDL VR Description Functional site 1) chain A residue 65 type sequence A description binding site for residue HCA A 501 source : AC1 2) chain A residue 96 type sequence R description binding site for residue HCA A 501 source : AC1 3) chain A residue 191 type sequence Q description binding site for residue HCA A 501 source : AC1 4) chain A residue 424 type sequence G description binding site for residue HCA A 501 source : AC1 5) chain A residue 425 type sequence I description binding site for residue HCA A 501 source : AC1 6) chain A residue 442 type sequence H description binding site for residue HCA A 501 source : AC1 7) chain A residue 70 type sequence V description binding site for residue ICE A 502 source : AC2 8) chain A residue 96 type sequence R description binding site for residue ICE A 502 source : AC2 9) chain A residue 229 type sequence Y description binding site for residue ICE A 502 source : AC2 10) chain A residue 275 type sequence C description binding site for residue ICE A 502 source : AC2 11) chain A residue 356 type sequence G description binding site for residue ICE A 502 source : AC2 12) chain A residue 357 type sequence G description binding site for residue ICE A 502 source : AC2 13) chain A residue 358 type sequence L description binding site for residue ICE A 502 source : AC2 14) chain A residue 359 type sequence R description binding site for residue ICE A 502 source : AC2 15) chain A residue 442 type sequence H description binding site for residue ICE A 502 source : AC2 16) chain A residue 294 type sequence W description binding site for residue IMD A 503 source : AC3 17) chain A residue 70 type sequence V description binding site for residue CMO A 504 source : AC4 18) chain A residue 195 type sequence H description binding site for residue CMO A 504 source : AC4 19) chain A residue 381 type sequence F description binding site for residue CMO A 504 source : AC4 20) chain A residue 100 type sequence Y description binding site for residue CMO A 505 source : AC5 21) chain A residue 111 type sequence T description binding site for residue CMO A 505 source : AC5 22) chain B residue 453 type sequence R description binding site for residue CMO A 505 source : AC5 23) chain A residue 93 type sequence R description binding site for residue ICE A 506 source : AC6 24) chain A residue 111 type sequence T description binding site for residue ICE A 506 source : AC6 25) chain B residue 450 type sequence F description binding site for residue ICE A 506 source : AC6 26) chain B residue 453 type sequence R description binding site for residue ICE A 506 source : AC6 27) chain A residue 62 type sequence C description binding site for residue CLF A 507 source : AC7 28) chain A residue 64 type sequence Y description binding site for residue CLF A 507 source : AC7 29) chain A residue 87 type sequence G description binding site for residue CLF A 507 source : AC7 30) chain A residue 88 type sequence C description binding site for residue CLF A 507 source : AC7 31) chain A residue 91 type sequence Y description binding site for residue CLF A 507 source : AC7 32) chain A residue 154 type sequence C description binding site for residue CLF A 507 source : AC7 33) chain A residue 185 type sequence G description binding site for residue CLF A 507 source : AC7 34) chain B residue 70 type sequence C description binding site for residue CLF A 507 source : AC7 35) chain B residue 92 type sequence S description binding site for residue CLF A 507 source : AC7 36) chain B residue 95 type sequence C description binding site for residue CLF A 507 source : AC7 37) chain B residue 98 type sequence Y description binding site for residue CLF A 507 source : AC7 38) chain B residue 153 type sequence C description binding site for residue CLF A 507 source : AC7 39) chain B residue 188 type sequence S description binding site for residue CLF A 507 source : AC7 40) chain B residue 253 type sequence L description binding site for residue IMD B 601 source : AC8 41) chain B residue 256 type sequence D description binding site for residue IMD B 601 source : AC8 42) chain B residue 275 type sequence G description binding site for residue IMD B 601 source : AC8 43) chain B residue 276 type sequence T description binding site for residue IMD B 601 source : AC8 44) chain B residue 280 type sequence E description binding site for residue IMD B 601 source : AC8 45) chain B residue 482 type sequence S description binding site for residue IMD B 602 source : AC9 46) chain B residue 483 type sequence T description binding site for residue IMD B 602 source : AC9 47) chain B residue 492 type sequence Q description binding site for residue IMD B 602 source : AC9 48) chain B residue 496 type sequence T description binding site for residue IMD B 602 source : AC9 49) chain A residue 157 type sequence G description binding site for residue IMD B 603 source : AD1 50) chain B residue 120 type sequence E description binding site for residue IMD B 603 source : AD1 51) chain B residue 123 type sequence A description binding site for residue IMD B 603 source : AD1 52) chain C residue 41 type sequence Q description binding site for residue IMD B 603 source : AD1 53) chain C residue 44 type sequence K description binding site for residue IMD B 603 source : AD1 54) chain B residue 466 type sequence L description binding site for residue CMO B 604 source : AD2 55) chain B residue 468 type sequence R description binding site for residue CMO B 604 source : AD2 56) chain B residue 353 type sequence D description binding site for residue FE2 B 605 source : AD3 57) chain B residue 357 type sequence D description binding site for residue FE2 B 605 source : AD3 58) chain D residue 108 type sequence R description binding site for residue FE2 B 605 source : AD3 59) chain D residue 109 type sequence E description binding site for residue FE2 B 605 source : AD3 60) chain B residue 108 type sequence R description binding site for residue FE2 B 606 source : AD4 61) chain B residue 109 type sequence E description binding site for residue FE2 B 606 source : AD4 62) chain D residue 353 type sequence D description binding site for residue FE2 B 606 source : AD4 63) chain D residue 357 type sequence D description binding site for residue FE2 B 606 source : AD4 64) chain C residue 65 type sequence A description binding site for residue HCA C 501 source : AD5 65) chain C residue 96 type sequence R description binding site for residue HCA C 501 source : AD5 66) chain C residue 191 type sequence Q description binding site for residue HCA C 501 source : AD5 67) chain C residue 424 type sequence G description binding site for residue HCA C 501 source : AD5 68) chain C residue 425 type sequence I description binding site for residue HCA C 501 source : AD5 69) chain C residue 442 type sequence H description binding site for residue HCA C 501 source : AD5 70) chain C residue 70 type sequence V description binding site for residue ICE C 502 source : AD6 71) chain C residue 96 type sequence R description binding site for residue ICE C 502 source : AD6 72) chain C residue 229 type sequence Y description binding site for residue ICE C 502 source : AD6 73) chain C residue 275 type sequence C description binding site for residue ICE C 502 source : AD6 74) chain C residue 356 type sequence G description binding site for residue ICE C 502 source : AD6 75) chain C residue 357 type sequence G description binding site for residue ICE C 502 source : AD6 76) chain C residue 358 type sequence L description binding site for residue ICE C 502 source : AD6 77) chain C residue 359 type sequence R description binding site for residue ICE C 502 source : AD6 78) chain C residue 442 type sequence H description binding site for residue ICE C 502 source : AD6 79) chain C residue 294 type sequence W description binding site for residue IMD C 503 source : AD7 80) chain C residue 70 type sequence V description binding site for residue CMO C 504 source : AD8 81) chain C residue 195 type sequence H description binding site for residue CMO C 504 source : AD8 82) chain C residue 381 type sequence F description binding site for residue CMO C 504 source : AD8 83) chain C residue 100 type sequence Y description binding site for residue CMO C 505 source : AD9 84) chain C residue 104 type sequence T description binding site for residue CMO C 505 source : AD9 85) chain C residue 111 type sequence T description binding site for residue CMO C 505 source : AD9 86) chain D residue 453 type sequence R description binding site for residue CMO C 505 source : AD9 87) chain C residue 93 type sequence R description binding site for residue ICE C 506 source : AE1 88) chain C residue 111 type sequence T description binding site for residue ICE C 506 source : AE1 89) chain D residue 450 type sequence F description binding site for residue ICE C 506 source : AE1 90) chain D residue 453 type sequence R description binding site for residue ICE C 506 source : AE1 91) chain C residue 62 type sequence C description binding site for residue CLF C 507 source : AE2 92) chain C residue 64 type sequence Y description binding site for residue CLF C 507 source : AE2 93) chain C residue 85 type sequence P description binding site for residue CLF C 507 source : AE2 94) chain C residue 87 type sequence G description binding site for residue CLF C 507 source : AE2 95) chain C residue 88 type sequence C description binding site for residue CLF C 507 source : AE2 96) chain C residue 91 type sequence Y description binding site for residue CLF C 507 source : AE2 97) chain C residue 154 type sequence C description binding site for residue CLF C 507 source : AE2 98) chain C residue 185 type sequence G description binding site for residue CLF C 507 source : AE2 99) chain D residue 70 type sequence C description binding site for residue CLF C 507 source : AE2 100) chain D residue 92 type sequence S description binding site for residue CLF C 507 source : AE2 101) chain D residue 95 type sequence C description binding site for residue CLF C 507 source : AE2 102) chain D residue 98 type sequence Y description binding site for residue CLF C 507 source : AE2 103) chain D residue 153 type sequence C description binding site for residue CLF C 507 source : AE2 104) chain D residue 188 type sequence S description binding site for residue CLF C 507 source : AE2 105) chain D residue 482 type sequence S description binding site for residue IMD D 601 source : AE3 106) chain D residue 483 type sequence T description binding site for residue IMD D 601 source : AE3 107) chain D residue 492 type sequence Q description binding site for residue IMD D 601 source : AE3 108) chain D residue 496 type sequence T description binding site for residue IMD D 601 source : AE3 109) chain D residue 253 type sequence L description binding site for residue IMD D 602 source : AE4 110) chain D residue 256 type sequence D description binding site for residue IMD D 602 source : AE4 111) chain D residue 275 type sequence G description binding site for residue IMD D 602 source : AE4 112) chain D residue 276 type sequence T description binding site for residue IMD D 602 source : AE4 113) chain D residue 280 type sequence E description binding site for residue IMD D 602 source : AE4 114) chain A residue 41 type sequence Q description binding site for residue IMD D 603 source : AE5 115) chain A residue 44 type sequence K description binding site for residue IMD D 603 source : AE5 116) chain C residue 157 type sequence G description binding site for residue IMD D 603 source : AE5 117) chain D residue 120 type sequence E description binding site for residue IMD D 603 source : AE5 118) chain D residue 466 type sequence L description binding site for residue CMO D 604 source : AE6 119) chain D residue 467 type sequence I description binding site for residue CMO D 604 source : AE6 120) chain D residue 468 type sequence R description binding site for residue CMO D 604 source : AE6 121) chain B residue 153 type catalytic sequence C description 212 source MCSA : MCSA1 122) chain B residue 157 type catalytic sequence V description 212 source MCSA : MCSA1 123) chain A residue 96 type catalytic sequence R description 212 source MCSA : MCSA1 124) chain A residue 195 type catalytic sequence H description 212 source MCSA : MCSA1 125) chain D residue 153 type catalytic sequence C description 212 source MCSA : MCSA2 126) chain D residue 157 type catalytic sequence V description 212 source MCSA : MCSA2 127) chain C residue 96 type catalytic sequence R description 212 source MCSA : MCSA2 128) chain C residue 195 type catalytic sequence H description 212 source MCSA : MCSA2 129) chain B residue 70 type BINDING sequence C description source Swiss-Prot : SWS_FT_FI1 130) chain C residue 442 type BINDING sequence H description source Swiss-Prot : SWS_FT_FI1 131) chain B residue 95 type BINDING sequence C description source Swiss-Prot : SWS_FT_FI1 132) chain B residue 153 type BINDING sequence C description source Swiss-Prot : SWS_FT_FI1 133) chain B residue 188 type BINDING sequence S description source Swiss-Prot : SWS_FT_FI1 134) chain D residue 70 type BINDING sequence C description source Swiss-Prot : SWS_FT_FI1 135) chain D residue 95 type BINDING sequence C description source Swiss-Prot : SWS_FT_FI1 136) chain D residue 153 type BINDING sequence C description source Swiss-Prot : SWS_FT_FI1 137) chain D residue 188 type BINDING sequence S description source Swiss-Prot : SWS_FT_FI1 138) chain C residue 275 type BINDING sequence C description source Swiss-Prot : SWS_FT_FI1 139) chain A residue 152-166 type prosite sequence SECPIGLIGDDIESV description NITROGENASE_1_2 Nitrogenases component 1 alpha and beta subunits signature 2. SECpigliGDDIeSV source prosite : PS00090 140) chain B residue 151-165 type prosite sequence TTCMAEVIGDDLNAF description NITROGENASE_1_2 Nitrogenases component 1 alpha and beta subunits signature 2. SECpigliGDDIeSV source prosite : PS00090 141) chain A residue 81-88 type prosite sequence ISHGPVGC description NITROGENASE_1_1 Nitrogenases component 1 alpha and beta subunits signature 1. ISHGPVGC source prosite : PS00699 142) chain B residue 88-95 type prosite sequence YVHGSQGC description NITROGENASE_1_1 Nitrogenases component 1 alpha and beta subunits signature 1. ISHGPVGC source prosite : PS00699

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