eF-site ID 4tku-ABCD PDB Code 4tku Chain A, B, C, D click to enlarge Title Reactivated 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 191 type sequence Q description binding site for residue HCA A 501 source : AC1 3) chain A residue 424 type sequence G description binding site for residue HCA A 501 source : AC1 4) chain A residue 425 type sequence I description binding site for residue HCA A 501 source : AC1 5) chain A residue 442 type sequence H description binding site for residue HCA A 501 source : AC1 6) chain A residue 70 type sequence V description binding site for residue ICS A 502 source : AC2 7) chain A residue 96 type sequence R description binding site for residue ICS A 502 source : AC2 8) chain A residue 195 type sequence H description binding site for residue ICS A 502 source : AC2 9) chain A residue 229 type sequence Y description binding site for residue ICS A 502 source : AC2 10) chain A residue 275 type sequence C description binding site for residue ICS A 502 source : AC2 11) chain A residue 356 type sequence G description binding site for residue ICS A 502 source : AC2 12) chain A residue 357 type sequence G description binding site for residue ICS A 502 source : AC2 13) chain A residue 358 type sequence L description binding site for residue ICS A 502 source : AC2 14) chain A residue 359 type sequence R description binding site for residue ICS A 502 source : AC2 15) chain A residue 381 type sequence F description binding site for residue ICS A 502 source : AC2 16) chain A residue 442 type sequence H description binding site for residue ICS A 502 source : AC2 17) chain A residue 294 type sequence W description binding site for residue IMD A 503 source : AC3 18) chain A residue 93 type sequence R description binding site for residue CL A 504 source : AC4 19) chain A residue 111 type sequence T description binding site for residue CL A 504 source : AC4 20) chain B residue 450 type sequence F description binding site for residue CL A 504 source : AC4 21) chain B residue 453 type sequence R description binding site for residue CL A 504 source : AC4 22) chain A residue 62 type sequence C description binding site for residue CLF B 601 source : AC5 23) chain A residue 64 type sequence Y description binding site for residue CLF B 601 source : AC5 24) chain A residue 85 type sequence P description binding site for residue CLF B 601 source : AC5 25) chain A residue 87 type sequence G description binding site for residue CLF B 601 source : AC5 26) chain A residue 88 type sequence C description binding site for residue CLF B 601 source : AC5 27) chain A residue 91 type sequence Y description binding site for residue CLF B 601 source : AC5 28) chain A residue 154 type sequence C description binding site for residue CLF B 601 source : AC5 29) chain A residue 185 type sequence G description binding site for residue CLF B 601 source : AC5 30) chain B residue 70 type sequence C description binding site for residue CLF B 601 source : AC5 31) chain B residue 92 type sequence S description binding site for residue CLF B 601 source : AC5 32) chain B residue 95 type sequence C description binding site for residue CLF B 601 source : AC5 33) chain B residue 98 type sequence Y description binding site for residue CLF B 601 source : AC5 34) chain B residue 153 type sequence C description binding site for residue CLF B 601 source : AC5 35) chain B residue 188 type sequence S description binding site for residue CLF B 601 source : AC5 36) chain B residue 253 type sequence L description binding site for residue IMD B 602 source : AC6 37) chain B residue 256 type sequence D description binding site for residue IMD B 602 source : AC6 38) chain B residue 275 type sequence G description binding site for residue IMD B 602 source : AC6 39) chain B residue 276 type sequence T description binding site for residue IMD B 602 source : AC6 40) chain B residue 280 type sequence E description binding site for residue IMD B 602 source : AC6 41) chain B residue 482 type sequence S description binding site for residue IMD B 603 source : AC7 42) chain B residue 483 type sequence T description binding site for residue IMD B 603 source : AC7 43) chain B residue 492 type sequence Q description binding site for residue IMD B 603 source : AC7 44) chain B residue 496 type sequence T description binding site for residue IMD B 603 source : AC7 45) chain A residue 157 type sequence G description binding site for residue IMD B 604 source : AC8 46) chain B residue 120 type sequence E description binding site for residue IMD B 604 source : AC8 47) chain B residue 123 type sequence A description binding site for residue IMD B 604 source : AC8 48) chain C residue 41 type sequence Q description binding site for residue IMD B 604 source : AC8 49) chain C residue 44 type sequence K description binding site for residue IMD B 604 source : AC8 50) chain B residue 353 type sequence D description binding site for residue FE2 B 605 source : AC9 51) chain B residue 357 type sequence D description binding site for residue FE2 B 605 source : AC9 52) chain D residue 108 type sequence R description binding site for residue FE2 B 605 source : AC9 53) chain D residue 109 type sequence E description binding site for residue FE2 B 605 source : AC9 54) chain C residue 65 type sequence A description binding site for residue HCA C 501 source : AD1 55) chain C residue 191 type sequence Q description binding site for residue HCA C 501 source : AD1 56) chain C residue 424 type sequence G description binding site for residue HCA C 501 source : AD1 57) chain C residue 425 type sequence I description binding site for residue HCA C 501 source : AD1 58) chain C residue 442 type sequence H description binding site for residue HCA C 501 source : AD1 59) chain C residue 70 type sequence V description binding site for residue ICS C 502 source : AD2 60) chain C residue 96 type sequence R description binding site for residue ICS C 502 source : AD2 61) chain C residue 195 type sequence H description binding site for residue ICS C 502 source : AD2 62) chain C residue 229 type sequence Y description binding site for residue ICS C 502 source : AD2 63) chain C residue 275 type sequence C description binding site for residue ICS C 502 source : AD2 64) chain C residue 356 type sequence G description binding site for residue ICS C 502 source : AD2 65) chain C residue 357 type sequence G description binding site for residue ICS C 502 source : AD2 66) chain C residue 358 type sequence L description binding site for residue ICS C 502 source : AD2 67) chain C residue 359 type sequence R description binding site for residue ICS C 502 source : AD2 68) chain C residue 381 type sequence F description binding site for residue ICS C 502 source : AD2 69) chain C residue 442 type sequence H description binding site for residue ICS C 502 source : AD2 70) chain C residue 294 type sequence W description binding site for residue IMD C 503 source : AD3 71) chain C residue 93 type sequence R description binding site for residue CL C 504 source : AD4 72) chain C residue 111 type sequence T description binding site for residue CL C 504 source : AD4 73) chain D residue 450 type sequence F description binding site for residue CL C 504 source : AD4 74) chain D residue 453 type sequence R description binding site for residue CL C 504 source : AD4 75) chain C residue 62 type sequence C description binding site for residue CLF D 601 source : AD5 76) chain C residue 64 type sequence Y description binding site for residue CLF D 601 source : AD5 77) chain C residue 87 type sequence G description binding site for residue CLF D 601 source : AD5 78) chain C residue 88 type sequence C description binding site for residue CLF D 601 source : AD5 79) chain C residue 91 type sequence Y description binding site for residue CLF D 601 source : AD5 80) chain C residue 154 type sequence C description binding site for residue CLF D 601 source : AD5 81) chain C residue 185 type sequence G description binding site for residue CLF D 601 source : AD5 82) chain D residue 70 type sequence C description binding site for residue CLF D 601 source : AD5 83) chain D residue 92 type sequence S description binding site for residue CLF D 601 source : AD5 84) chain D residue 95 type sequence C description binding site for residue CLF D 601 source : AD5 85) chain D residue 98 type sequence Y description binding site for residue CLF D 601 source : AD5 86) chain D residue 153 type sequence C description binding site for residue CLF D 601 source : AD5 87) chain D residue 188 type sequence S description binding site for residue CLF D 601 source : AD5 88) chain D residue 482 type sequence S description binding site for residue IMD D 602 source : AD6 89) chain D residue 483 type sequence T description binding site for residue IMD D 602 source : AD6 90) chain D residue 492 type sequence Q description binding site for residue IMD D 602 source : AD6 91) chain D residue 496 type sequence T description binding site for residue IMD D 602 source : AD6 92) chain D residue 253 type sequence L description binding site for residue IMD D 603 source : AD7 93) chain D residue 256 type sequence D description binding site for residue IMD D 603 source : AD7 94) chain D residue 275 type sequence G description binding site for residue IMD D 603 source : AD7 95) chain D residue 276 type sequence T description binding site for residue IMD D 603 source : AD7 96) chain D residue 280 type sequence E description binding site for residue IMD D 603 source : AD7 97) chain A residue 41 type sequence Q description binding site for residue IMD D 604 source : AD8 98) chain A residue 44 type sequence K description binding site for residue IMD D 604 source : AD8 99) chain C residue 157 type sequence G description binding site for residue IMD D 604 source : AD8 100) chain D residue 120 type sequence E description binding site for residue IMD D 604 source : AD8 101) chain D residue 123 type sequence A description binding site for residue IMD D 604 source : AD8 102) chain B residue 108 type sequence R description binding site for residue FE2 D 605 source : AD9 103) chain B residue 109 type sequence E description binding site for residue FE2 D 605 source : AD9 104) chain D residue 353 type sequence D description binding site for residue FE2 D 605 source : AD9 105) chain D residue 357 type sequence D description binding site for residue FE2 D 605 source : AD9 106) chain B residue 153 type catalytic sequence C description 212 source MCSA : MCSA1 107) chain B residue 157 type catalytic sequence V description 212 source MCSA : MCSA1 108) chain A residue 96 type catalytic sequence R description 212 source MCSA : MCSA1 109) chain A residue 195 type catalytic sequence H description 212 source MCSA : MCSA1 110) chain D residue 153 type catalytic sequence C description 212 source MCSA : MCSA2 111) chain D residue 157 type catalytic sequence V description 212 source MCSA : MCSA2 112) chain C residue 96 type catalytic sequence R description 212 source MCSA : MCSA2 113) chain C residue 195 type catalytic sequence H description 212 source MCSA : MCSA2 114) 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 115) 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 116) 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 117) 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 118) chain C residue 442 type BINDING sequence H description source Swiss-Prot : SWS_FT_FI1 119) chain C residue 275 type BINDING sequence C description source Swiss-Prot : SWS_FT_FI1 120) chain B residue 95 type BINDING sequence C description source Swiss-Prot : SWS_FT_FI1 121) chain B residue 153 type BINDING sequence C description source Swiss-Prot : SWS_FT_FI1 122) chain B residue 188 type BINDING sequence S description source Swiss-Prot : SWS_FT_FI1 123) chain D residue 70 type BINDING sequence C description source Swiss-Prot : SWS_FT_FI1 124) chain D residue 95 type BINDING sequence C description source Swiss-Prot : SWS_FT_FI1 125) chain D residue 153 type BINDING sequence C description source Swiss-Prot : SWS_FT_FI1 126) chain D residue 188 type BINDING sequence S description source Swiss-Prot : SWS_FT_FI1 127) chain B residue 70 type BINDING sequence C description source Swiss-Prot : SWS_FT_FI1

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