eF-site ID 1g20-ABCDEFGH PDB Code 1g20 Chain A, B, C, D, E, F, G, H click to enlarge Title MGATP-BOUND AND NUCLEOTIDE-FREE STRUCTURES OF A NITROGENASE PROTEIN COMPLEX BETWEEN LEU127DEL-FE PROTEIN AND THE MOFE PROTEIN Classification OXIDOREDUCTASE Compound NITROGENASE MOLYBDENUM-IRON PROTEIN ALPHA CHAIN Source ORGANISM_SCIENTIFIC: Azotobacter vinelandii; Sequence A:  SREEVESLIQEVLEVYPEKARKDRNKHLAVNDPAVTQSKK CIISNKKSQPGLMTIRGCAYAGSKGVVWGPIKDMIHISHG PVGCGQYSRAGRRNYYIGTTGVNAFVTMNFTSDFQEKDIV FGGDKKLAKLIDEVETLFPLNKGISVQSECPIGLIGDDIE SVSKVKGAELSKTIVPVRCEGFRGVSQSLGHHIANDAVRD WVLGKRDEDTTFASTPYDVAIIGDYNIGGDAWSSRILLEE MGLRCVAQWSGDGSISEIELTPKVKLNLVHCYRSMNYISR HMEEKYGIPWMEYNFFGPTKTIESLRAIAAKFDESIQKKC EEVIAKYKPEWEAVVAKYRPRLEGKRVMLYIGGLRPRHVI GAYEDLGMEVVGTGYEFAHNDDYDRTMKEMGDSTLLYDDV TGYEFEEFVKRIKPDLIGSGIKEKFIFQKMGIPFREMHSW DYSGPYHGFDGFAIFARDMDMTLNNPCWKKLQAPWE B:  SQQVDKIKASYPLFLDQDYKDMLAKKRDGFEEKYPQDKID EVFQWTTTKEYQELNFQREALTVNPAKACQPLGAVLCALG FEKTMPYVHGSQGCVAYFRSYFNRHFREPVSCVSDSMTED AAVFGGQQNMKDGLQNCKATYKPDMIAVSTTCMAEVIGDD LNAFINNSKKEGFIPDEFPVPFAHTPSFVGSHVTGWDNMF EGIARYFTLKSMDDKVVGSNKKINIVPGFETYLGNFRVIK RMLSEMGVGYSLLSDPEEVLDTPADGQFRMYAGGTTQEEM KDAPNALNTVLLQPWHLEKTKKFVEGTWKHEVPKLNIPMG LDWTDEFLMKVSEISGQPIPASLTKERGRLVDMMTDSHTW LHGKRFALWGDPDFVMGLVKFLLELGCEPVHILCHNGNKR WKKAVDAILAASPYGKNATVYIGKDLWHLRSLVFTDKPDF MIGNSYGKFIQRDTLHKGKEFEVPLIRIGFPIFDRHHLHR STTLGYEGAMQILTTLVNSILERLDEETRGMQATDYNHDL VR C:  SREEVESLIQEVLEVYPEKARKDRNKHLAVNDPAVTQSKK CIISNKKSQPGLMTIRGCAYAGSKGVVWGPIKDMIHISHG PVGCGQYSRAGRRNYYIGTTGVNAFVTMNFTSDFQEKDIV FGGDKKLAKLIDEVETLFPLNKGISVQSECPIGLIGDDIE SVSKVKGAELSKTIVPVRCEGFRGVSQSLGHHIANDAVRD WVLGKRDEDTTFASTPYDVAIIGDYNIGGDAWSSRILLEE MGLRCVAQWSGDGSISEIELTPKVKLNLVHCYRSMNYISR HMEEKYGIPWMEYNFFGPTKTIESLRAIAAKFDESIQKKC EEVIAKYKPEWEAVVAKYRPRLEGKRVMLYIGGLRPRHVI GAYEDLGMEVVGTGYEFAHNDDYDRTMKEMGDSTLLYDDV TGYEFEEFVKRIKPDLIGSGIKEKFIFQKMGIPFREMHSW DYSGPYHGFDGFAIFARDMDMTLNNPCWKKLQAPWE D:  SQQVDKIKASYPLFLDQDYKDMLAKKRDGFEEKYPQDKID EVFQWTTTKEYQELNFQREALTVNPAKACQPLGAVLCALG FEKTMPYVHGSQGCVAYFRSYFNRHFREPVSCVSDSMTED AAVFGGQQNMKDGLQNCKATYKPDMIAVSTTCMAEVIGDD LNAFINNSKKEGFIPDEFPVPFAHTPSFVGSHVTGWDNMF EGIARYFTLKSMDDKVVGSNKKINIVPGFETYLGNFRVIK RMLSEMGVGYSLLSDPEEVLDTPADGQFRMYAGGTTQEEM KDAPNALNTVLLQPWHLEKTKKFVEGTWKHEVPKLNIPMG LDWTDEFLMKVSEISGQPIPASLTKERGRLVDMMTDSHTW LHGKRFALWGDPDFVMGLVKFLLELGCEPVHILCHNGNKR WKKAVDAILAASPYGKNATVYIGKDLWHLRSLVFTDKPDF MIGNSYGKFIQRDTLHKGKEFEVPLIRIGFPIFDRHHLHR STTLGYEGAMQILTTLVNSILERLDEETRGMQATDYNHDL VR E:  MRQCAIYGKGGIGKSTTTQNLVAALAEMGKKVMIVGCDPK ADSTRLILNTIMEMAAEAGTVEDLELEDVLKAGYGGVKCV ESGGPEPGVGCAGRGVITAINFLEEEGAYLDFVFYDVGDV VCGGFAMPIRENKAQEIYIVCSGEMMAMYAANNISKGIVK YANSGSVRLGGLICNSRNTEDELIIALANKLGTQMIHFVP RDNVVQRAEIRRMTVIEYDPKAKQADEYRALARKVVDNKL LVIPNPITMDELEELLMEF F:  MRQCAIYGKGGIGKSTTTQNLVAALAEMGKKVMIVGCDPK ADSTRLILNTIMEMAAEAGTVEDLELEDVLKAGYGGVKCV ESGGPEPGVGCAGRGVITAINFLEEEGAYEDDLDFVFYDV GDVVCGGFAMPIRENKAQEIYIVCSGEMMAMYAANNISKG IVKYANSGSVRLGGLICNSREDELIIALANKLGTQMIHFV PRDNVVQRAEIRRMTVIEYDPKAKQADEYRALARKVVDNK LLVIPNPITMDELEELLMEF G:  MRQCAIYGKGGIGKSTTTQNLVAALAEMGKKVMIVGCDPK ADSTRLILNTIMEMAAEAGTVEDLELEDVLKAGYGGVKCV ESGGPEPGVGCAGRGVITAINFLEEEGAYLDFVFYDVGDV VCGGFAMPIRENKAQEIYIVCSGEMMAMYAANNISKGIVK YANSGSVRLGGLICNSREDELIIALANKLGTQMIHFVPRD NVVQRAEIRRMTVIEYDPKAKQADEYRALARKVVDNKLLV IPNPITMDELEELLMEF H:  MRQCAIYGKGGIGKSTTTQNLVAALAEMGKKVMIVGCDPK ADSTRLILHNTIMEMAAEAGTVEDLELEDVLKAGYGGVKC VESGGPEPGVGCAGRGVITAINFLEEEGAYEDDLDFVFYD VGDVVCGGFAMPIRENKAQEIYIVCSGEMMAMYAANNISK GIVKYANSGSVRLGGLICNSRREDELIIALANKLGTQMIH FVPRDNVVQRAEIRRMTVIEYDPKAKQADEYRALARKVVD NKLLVIPNPITMDELEELLMEF Description Functional site 1) chain B residue 108 type sequence R description BINDING SITE FOR RESIDUE CA D 524 source : AC1 2) chain B residue 109 type sequence E description BINDING SITE FOR RESIDUE CA D 524 source : AC1 3) chain D residue 353 type sequence D description BINDING SITE FOR RESIDUE CA D 524 source : AC1 4) chain D residue 357 type sequence D description BINDING SITE FOR RESIDUE CA D 524 source : AC1 5) chain B residue 353 type sequence D description BINDING SITE FOR RESIDUE CA B 524 source : AC2 6) chain B residue 357 type sequence D description BINDING SITE FOR RESIDUE CA B 524 source : AC2 7) chain D residue 108 type sequence R description BINDING SITE FOR RESIDUE CA B 524 source : AC2 8) chain D residue 109 type sequence E description BINDING SITE FOR RESIDUE CA B 524 source : AC2 9) chain A residue 158 type sequence L description BINDING SITE FOR RESIDUE SF4 E 5290 source : AC3 10) chain B residue 157 type sequence V description BINDING SITE FOR RESIDUE SF4 E 5290 source : AC3 11) chain E residue 97 type sequence C description BINDING SITE FOR RESIDUE SF4 E 5290 source : AC3 12) chain E residue 98 type sequence A description BINDING SITE FOR RESIDUE SF4 E 5290 source : AC3 13) chain E residue 99 type sequence G description BINDING SITE FOR RESIDUE SF4 E 5290 source : AC3 14) chain E residue 132 type sequence C description BINDING SITE FOR RESIDUE SF4 E 5290 source : AC3 15) chain F residue 97 type sequence C description BINDING SITE FOR RESIDUE SF4 E 5290 source : AC3 16) chain F residue 98 type sequence A description BINDING SITE FOR RESIDUE SF4 E 5290 source : AC3 17) chain F residue 99 type sequence G description BINDING SITE FOR RESIDUE SF4 E 5290 source : AC3 18) chain F residue 132 type sequence C description BINDING SITE FOR RESIDUE SF4 E 5290 source : AC3 19) chain C residue 158 type sequence L description BINDING SITE FOR RESIDUE SF4 G 7290 source : AC4 20) chain D residue 157 type sequence V description BINDING SITE FOR RESIDUE SF4 G 7290 source : AC4 21) chain G residue 97 type sequence C description BINDING SITE FOR RESIDUE SF4 G 7290 source : AC4 22) chain G residue 98 type sequence A description BINDING SITE FOR RESIDUE SF4 G 7290 source : AC4 23) chain G residue 99 type sequence G description BINDING SITE FOR RESIDUE SF4 G 7290 source : AC4 24) chain G residue 132 type sequence C description BINDING SITE FOR RESIDUE SF4 G 7290 source : AC4 25) chain H residue 97 type sequence C description BINDING SITE FOR RESIDUE SF4 G 7290 source : AC4 26) chain H residue 98 type sequence A description BINDING SITE FOR RESIDUE SF4 G 7290 source : AC4 27) chain H residue 99 type sequence G description BINDING SITE FOR RESIDUE SF4 G 7290 source : AC4 28) chain H residue 132 type sequence C description BINDING SITE FOR RESIDUE SF4 G 7290 source : AC4 29) chain A residue 96 type sequence R description BINDING SITE FOR RESIDUE HCA A 1494 source : AC5 30) chain A residue 191 type sequence Q description BINDING SITE FOR RESIDUE HCA A 1494 source : AC5 31) chain A residue 424 type sequence G description BINDING SITE FOR RESIDUE HCA A 1494 source : AC5 32) chain A residue 425 type sequence I description BINDING SITE FOR RESIDUE HCA A 1494 source : AC5 33) chain A residue 426 type sequence K description BINDING SITE FOR RESIDUE HCA A 1494 source : AC5 34) chain A residue 442 type sequence H description BINDING SITE FOR RESIDUE HCA A 1494 source : AC5 35) chain C residue 96 type sequence R description BINDING SITE FOR RESIDUE HCA C 3494 source : AC6 36) chain C residue 191 type sequence Q description BINDING SITE FOR RESIDUE HCA C 3494 source : AC6 37) chain C residue 424 type sequence G description BINDING SITE FOR RESIDUE HCA C 3494 source : AC6 38) chain C residue 425 type sequence I description BINDING SITE FOR RESIDUE HCA C 3494 source : AC6 39) chain C residue 426 type sequence K description BINDING SITE FOR RESIDUE HCA C 3494 source : AC6 40) chain C residue 442 type sequence H description BINDING SITE FOR RESIDUE HCA C 3494 source : AC6 41) chain A residue 70 type sequence V description BINDING SITE FOR RESIDUE CFM A 1496 source : AC7 42) chain A residue 96 type sequence R description BINDING SITE FOR RESIDUE CFM A 1496 source : AC7 43) chain A residue 195 type sequence H description BINDING SITE FOR RESIDUE CFM A 1496 source : AC7 44) chain A residue 229 type sequence Y description BINDING SITE FOR RESIDUE CFM A 1496 source : AC7 45) chain A residue 275 type sequence C description BINDING SITE FOR RESIDUE CFM A 1496 source : AC7 46) chain A residue 278 type sequence S description BINDING SITE FOR RESIDUE CFM A 1496 source : AC7 47) chain A residue 356 type sequence G description BINDING SITE FOR RESIDUE CFM A 1496 source : AC7 48) chain A residue 357 type sequence G description BINDING SITE FOR RESIDUE CFM A 1496 source : AC7 49) chain A residue 359 type sequence R description BINDING SITE FOR RESIDUE CFM A 1496 source : AC7 50) chain A residue 381 type sequence F description BINDING SITE FOR RESIDUE CFM A 1496 source : AC7 51) chain A residue 442 type sequence H description BINDING SITE FOR RESIDUE CFM A 1496 source : AC7 52) chain C residue 96 type sequence R description BINDING SITE FOR RESIDUE CFM C 3496 source : AC8 53) chain C residue 195 type sequence H description BINDING SITE FOR RESIDUE CFM C 3496 source : AC8 54) chain C residue 229 type sequence Y description BINDING SITE FOR RESIDUE CFM C 3496 source : AC8 55) chain C residue 275 type sequence C description BINDING SITE FOR RESIDUE CFM C 3496 source : AC8 56) chain C residue 356 type sequence G description BINDING SITE FOR RESIDUE CFM C 3496 source : AC8 57) chain C residue 357 type sequence G description BINDING SITE FOR RESIDUE CFM C 3496 source : AC8 58) chain C residue 359 type sequence R description BINDING SITE FOR RESIDUE CFM C 3496 source : AC8 59) chain C residue 381 type sequence F description BINDING SITE FOR RESIDUE CFM C 3496 source : AC8 60) chain C residue 442 type sequence H description BINDING SITE FOR RESIDUE CFM C 3496 source : AC8 61) chain A residue 62 type sequence C description BINDING SITE FOR RESIDUE CLF B 1498 source : AC9 62) chain A residue 64 type sequence Y description BINDING SITE FOR RESIDUE CLF B 1498 source : AC9 63) chain A residue 85 type sequence P description BINDING SITE FOR RESIDUE CLF B 1498 source : AC9 64) chain A residue 87 type sequence G description BINDING SITE FOR RESIDUE CLF B 1498 source : AC9 65) chain A residue 88 type sequence C description BINDING SITE FOR RESIDUE CLF B 1498 source : AC9 66) chain A residue 91 type sequence Y description BINDING SITE FOR RESIDUE CLF B 1498 source : AC9 67) chain A residue 154 type sequence C description BINDING SITE FOR RESIDUE CLF B 1498 source : AC9 68) chain A residue 185 type sequence G description BINDING SITE FOR RESIDUE CLF B 1498 source : AC9 69) chain B residue 70 type sequence C description BINDING SITE FOR RESIDUE CLF B 1498 source : AC9 70) chain B residue 92 type sequence S description BINDING SITE FOR RESIDUE CLF B 1498 source : AC9 71) chain B residue 94 type sequence G description BINDING SITE FOR RESIDUE CLF B 1498 source : AC9 72) chain B residue 95 type sequence C description BINDING SITE FOR RESIDUE CLF B 1498 source : AC9 73) chain B residue 98 type sequence Y description BINDING SITE FOR RESIDUE CLF B 1498 source : AC9 74) chain B residue 153 type sequence C description BINDING SITE FOR RESIDUE CLF B 1498 source : AC9 75) chain B residue 188 type sequence S description BINDING SITE FOR RESIDUE CLF B 1498 source : AC9 76) chain C residue 62 type sequence C description BINDING SITE FOR RESIDUE CLF D 3498 source : BC1 77) chain C residue 64 type sequence Y description BINDING SITE FOR RESIDUE CLF D 3498 source : BC1 78) chain C residue 85 type sequence P description BINDING SITE FOR RESIDUE CLF D 3498 source : BC1 79) chain C residue 87 type sequence G description BINDING SITE FOR RESIDUE CLF D 3498 source : BC1 80) chain C residue 88 type sequence C description BINDING SITE FOR RESIDUE CLF D 3498 source : BC1 81) chain C residue 154 type sequence C description BINDING SITE FOR RESIDUE CLF D 3498 source : BC1 82) chain C residue 185 type sequence G description BINDING SITE FOR RESIDUE CLF D 3498 source : BC1 83) chain D residue 70 type sequence C description BINDING SITE FOR RESIDUE CLF D 3498 source : BC1 84) chain D residue 72 type sequence P description BINDING SITE FOR RESIDUE CLF D 3498 source : BC1 85) chain D residue 92 type sequence S description BINDING SITE FOR RESIDUE CLF D 3498 source : BC1 86) chain D residue 95 type sequence C description BINDING SITE FOR RESIDUE CLF D 3498 source : BC1 87) chain D residue 98 type sequence Y description BINDING SITE FOR RESIDUE CLF D 3498 source : BC1 88) chain D residue 153 type sequence C description BINDING SITE FOR RESIDUE CLF D 3498 source : BC1 89) chain D residue 188 type sequence S description BINDING SITE FOR RESIDUE CLF D 3498 source : BC1 90) chain A residue 62 type catalytic sequence C description 212 source MCSA : MCSA1 91) chain A residue 65 type catalytic sequence A description 212 source MCSA : MCSA1 92) chain A residue 96 type catalytic sequence R description 212 source MCSA : MCSA1 93) chain A residue 195 type catalytic sequence H description 212 source MCSA : MCSA1 94) chain C residue 62 type catalytic sequence C description 212 source MCSA : MCSA2 95) chain C residue 65 type catalytic sequence A description 212 source MCSA : MCSA2 96) chain C residue 96 type catalytic sequence R description 212 source MCSA : MCSA2 97) chain C residue 195 type catalytic sequence H description 212 source MCSA : MCSA2 98) chain G residue 11 type catalytic sequence G description 212 source MCSA : MCSA3 99) chain G residue 16 type catalytic sequence S description 212 source MCSA : MCSA3 100) chain G residue 42 type catalytic sequence A description 212 source MCSA : MCSA3 101) chain G residue 131 type catalytic sequence V description 212 source MCSA : MCSA3 102) chain H residue 11 type catalytic sequence G description 212 source MCSA : MCSA4 103) chain H residue 16 type catalytic sequence S description 212 source MCSA : MCSA4 104) chain H residue 42 type catalytic sequence A description 212 source MCSA : MCSA4 105) chain H residue 131 type catalytic sequence V description 212 source MCSA : MCSA4 106) chain B residue 151-165 type prosite sequence TTCMAEVIGDDLNAF description NITROGENASE_1_2 Nitrogenases component 1 alpha and beta subunits signature 2. TTCmaeviGDDLnAF source prosite : PS00090 107) chain A residue 152-166 type prosite sequence SECPIGLIGDDIESV description NITROGENASE_1_2 Nitrogenases component 1 alpha and beta subunits signature 2. TTCmaeviGDDLnAF source prosite : PS00090 108) chain B residue 88-95 type prosite sequence YVHGSQGC description NITROGENASE_1_1 Nitrogenases component 1 alpha and beta subunits signature 1. YVHGSQGC source prosite : PS00699 109) chain A residue 81-88 type prosite sequence ISHGPVGC description NITROGENASE_1_1 Nitrogenases component 1 alpha and beta subunits signature 1. YVHGSQGC source prosite : PS00699 110) chain E residue 87-99 type prosite sequence ESGGPEPGVGCAG description NIFH_FRXC_1 NifH/frxC family signature 1. EsGGPepGvGCAG source prosite : PS00746 111) chain A residue 62 type BINDING sequence C description source Swiss-Prot : SWS_FT_FI1 112) chain C residue 442 type BINDING sequence H description source Swiss-Prot : SWS_FT_FI1 113) chain H residue 98 type BINDING sequence A description source Swiss-Prot : SWS_FT_FI1 114) chain H residue 134 type BINDING sequence G description source Swiss-Prot : SWS_FT_FI1 115) chain A residue 88 type BINDING sequence C description source Swiss-Prot : SWS_FT_FI1 116) chain A residue 154 type BINDING sequence C description source Swiss-Prot : SWS_FT_FI1 117) chain A residue 275 type BINDING sequence C description source Swiss-Prot : SWS_FT_FI1 118) chain A residue 442 type BINDING sequence H description source Swiss-Prot : SWS_FT_FI1 119) chain C residue 62 type BINDING sequence C description source Swiss-Prot : SWS_FT_FI1 120) chain C residue 88 type BINDING sequence C description source Swiss-Prot : SWS_FT_FI1 121) chain C residue 154 type BINDING sequence C description source Swiss-Prot : SWS_FT_FI1 122) chain C residue 275 type BINDING sequence C description source Swiss-Prot : SWS_FT_FI1 123) chain E residue 101 type MOD_RES sequence G description ADP-ribosylarginine; by dinitrogenase reductase ADP-ribosyltransferase => ECO:0000250 source Swiss-Prot : SWS_FT_FI2 124) chain F residue 101 type MOD_RES sequence G description ADP-ribosylarginine; by dinitrogenase reductase ADP-ribosyltransferase => ECO:0000250 source Swiss-Prot : SWS_FT_FI2 125) chain G residue 101 type MOD_RES sequence G description ADP-ribosylarginine; by dinitrogenase reductase ADP-ribosyltransferase => ECO:0000250 source Swiss-Prot : SWS_FT_FI2 126) chain H residue 101 type MOD_RES sequence G description ADP-ribosylarginine; by dinitrogenase reductase ADP-ribosyltransferase => ECO:0000250 source Swiss-Prot : SWS_FT_FI2

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