PDB entry 1g20

View 1g20 on RCSB PDB site
Description: mgatp-bound and nucleotide-free structures of a nitrogenase protein complex between leu127del-fe protein and the mofe protein
Class: oxidoreductase
Keywords: nitrogen-fixation, Fe protein, MoFe protein, P-cluster and FeMo cofactor, OXIDOREDUCTASE
Deposited on 2000-10-16, released 2001-01-31
The last revision prior to the SCOPe 2.02 freeze date was dated 2011-07-13, with a file datestamp of 2011-05-08.
Experiment type: XRAY
Resolution: 2.2 Å
R-factor: 0.218
AEROSPACI score: 0.36 (click here for full SPACI score report)

Chains and heterogens:

  • Chain 'A':
    Compound: nitrogenase molybdenum-iron protein alpha chain
    Species: Azotobacter vinelandii [TaxId:354]
    Database cross-references and differences (RAF-indexed): Domains in SCOPe 2.02: d1g20a_
  • Chain 'B':
    Compound: nitrogenase molybdenum-iron protein beta chain
    Species: Azotobacter vinelandii [TaxId:354]
    Database cross-references and differences (RAF-indexed): Domains in SCOPe 2.02: d1g20b_
  • Chain 'C':
    Compound: nitrogenase molybdenum-iron protein alpha chain
    Species: Azotobacter vinelandii [TaxId:354]
    Database cross-references and differences (RAF-indexed): Domains in SCOPe 2.02: d1g20c_
  • Chain 'D':
    Compound: nitrogenase molybdenum-iron protein beta chain
    Species: Azotobacter vinelandii [TaxId:354]
    Database cross-references and differences (RAF-indexed): Domains in SCOPe 2.02: d1g20d_
  • Chain 'E':
    Compound: nitrogenase iron protein
    Species: Azotobacter vinelandii [TaxId:354]
    Database cross-references and differences (RAF-indexed): Domains in SCOPe 2.02: d1g20e_
  • Chain 'F':
    Compound: nitrogenase iron protein
    Species: Azotobacter vinelandii [TaxId:354]
    Database cross-references and differences (RAF-indexed): Domains in SCOPe 2.02: d1g20f_
  • Chain 'G':
    Compound: nitrogenase iron protein
    Species: Azotobacter vinelandii [TaxId:354]
    Database cross-references and differences (RAF-indexed): Domains in SCOPe 2.02: d1g20g_
  • Chain 'H':
    Compound: nitrogenase iron protein
    Species: Azotobacter vinelandii [TaxId:354]
    Database cross-references and differences (RAF-indexed): Domains in SCOPe 2.02: d1g20h_
  • Heterogens: CA, SF4, HCA, CFM, CLF, HOH

PDB Chain Sequences:

  • Chain 'A':
    Sequence, based on SEQRES records: (download) 
    >1g20A (A:)
mtgmsreevesliqevlevypekarkdrnkhlavndpavtqskkciisnkksqpglmtir
gcayagskgvvwgpikdmihishgpvgcgqysragrrnyyigttgvnafvtmnftsdfqe
kdivfggdkklaklidevetlfplnkgisvqsecpigligddiesvskvkgaelsktivp
vrcegfrgvsqslghhiandavrdwvlgkrdedttfastpydvaiigdyniggdawssri
lleemglrcvaqwsgdgsiseieltpkvklnlvhcyrsmnyisrhmeekygipwmeynff
gptktieslraiaakfdesiqkkceeviakykpeweavvakyrprlegkrvmlyigglrp
rhvigayedlgmevvgtgyefahnddydrtmkemgdstllyddvtgyefeefvkrikpdl
igsgikekfifqkmgipfremhswdysgpyhgfdgfaifardmdmtlnnpcwkklqapwe
asegaekvaasa

    Sequence, based on observed residues (ATOM records): (download) 
    >1g20A (A:)
sreevesliqevlevypekarkdrnkhlavndpavtqskkciisnkksqpglmtirgcay
agskgvvwgpikdmihishgpvgcgqysragrrnyyigttgvnafvtmnftsdfqekdiv
fggdkklaklidevetlfplnkgisvqsecpigligddiesvskvkgaelsktivpvrce
gfrgvsqslghhiandavrdwvlgkrdedttfastpydvaiigdyniggdawssrillee
mglrcvaqwsgdgsiseieltpkvklnlvhcyrsmnyisrhmeekygipwmeynffgptk
tieslraiaakfdesiqkkceeviakykpeweavvakyrprlegkrvmlyigglrprhvi
gayedlgmevvgtgyefahnddydrtmkemgdstllyddvtgyefeefvkrikpdligsg
ikekfifqkmgipfremhswdysgpyhgfdgfaifardmdmtlnnpcwkklqapwe

  • Chain 'B':
    Sequence, based on SEQRES records: (download) 
    >1g20B (B:)
msqqvdkikasyplfldqdykdmlakkrdgfeekypqdkidevfqwtttkeyqelnfqre
altvnpakacqplgavlcalgfektmpyvhgsqgcvayfrsyfnrhfrepvscvsdsmte
daavfggqqnmkdglqnckatykpdmiavsttcmaevigddlnafinnskkegfipdefp
vpfahtpsfvgshvtgwdnmfegiaryftlksmddkvvgsnkkinivpgfetylgnfrvi
krmlsemgvgysllsdpeevldtpadgqfrmyaggttqeemkdapnalntvllqpwhlek
tkkfvegtwkhevpklnipmgldwtdeflmkvseisgqpipasltkergrlvdmmtdsht
wlhgkrfalwgdpdfvmglvkfllelgcepvhilchngnkrwkkavdailaaspygknat
vyigkdlwhlrslvftdkpdfmignsygkfiqrdtlhkgkefevplirigfpifdrhhlh
rsttlgyegamqilttlvnsilerldeetrgmqatdynhdlvr

    Sequence, based on observed residues (ATOM records): (download) 
    >1g20B (B:)
sqqvdkikasyplfldqdykdmlakkrdgfeekypqdkidevfqwtttkeyqelnfqrea
ltvnpakacqplgavlcalgfektmpyvhgsqgcvayfrsyfnrhfrepvscvsdsmted
aavfggqqnmkdglqnckatykpdmiavsttcmaevigddlnafinnskkegfipdefpv
pfahtpsfvgshvtgwdnmfegiaryftlksmddkvvgsnkkinivpgfetylgnfrvik
rmlsemgvgysllsdpeevldtpadgqfrmyaggttqeemkdapnalntvllqpwhlekt
kkfvegtwkhevpklnipmgldwtdeflmkvseisgqpipasltkergrlvdmmtdshtw
lhgkrfalwgdpdfvmglvkfllelgcepvhilchngnkrwkkavdailaaspygknatv
yigkdlwhlrslvftdkpdfmignsygkfiqrdtlhkgkefevplirigfpifdrhhlhr
sttlgyegamqilttlvnsilerldeetrgmqatdynhdlvr

  • Chain 'C':
    Sequence, based on SEQRES records: (download) 
    >1g20C (C:)
mtgmsreevesliqevlevypekarkdrnkhlavndpavtqskkciisnkksqpglmtir
gcayagskgvvwgpikdmihishgpvgcgqysragrrnyyigttgvnafvtmnftsdfqe
kdivfggdkklaklidevetlfplnkgisvqsecpigligddiesvskvkgaelsktivp
vrcegfrgvsqslghhiandavrdwvlgkrdedttfastpydvaiigdyniggdawssri
lleemglrcvaqwsgdgsiseieltpkvklnlvhcyrsmnyisrhmeekygipwmeynff
gptktieslraiaakfdesiqkkceeviakykpeweavvakyrprlegkrvmlyigglrp
rhvigayedlgmevvgtgyefahnddydrtmkemgdstllyddvtgyefeefvkrikpdl
igsgikekfifqkmgipfremhswdysgpyhgfdgfaifardmdmtlnnpcwkklqapwe
asegaekvaasa

    Sequence, based on observed residues (ATOM records): (download) 
    >1g20C (C:)
sreevesliqevlevypekarkdrnkhlavndpavtqskkciisnkksqpglmtirgcay
agskgvvwgpikdmihishgpvgcgqysragrrnyyigttgvnafvtmnftsdfqekdiv
fggdkklaklidevetlfplnkgisvqsecpigligddiesvskvkgaelsktivpvrce
gfrgvsqslghhiandavrdwvlgkrdedttfastpydvaiigdyniggdawssrillee
mglrcvaqwsgdgsiseieltpkvklnlvhcyrsmnyisrhmeekygipwmeynffgptk
tieslraiaakfdesiqkkceeviakykpeweavvakyrprlegkrvmlyigglrprhvi
gayedlgmevvgtgyefahnddydrtmkemgdstllyddvtgyefeefvkrikpdligsg
ikekfifqkmgipfremhswdysgpyhgfdgfaifardmdmtlnnpcwkklqapwe

  • Chain 'D':
    Sequence, based on SEQRES records: (download) 
    >1g20D (D:)
msqqvdkikasyplfldqdykdmlakkrdgfeekypqdkidevfqwtttkeyqelnfqre
altvnpakacqplgavlcalgfektmpyvhgsqgcvayfrsyfnrhfrepvscvsdsmte
daavfggqqnmkdglqnckatykpdmiavsttcmaevigddlnafinnskkegfipdefp
vpfahtpsfvgshvtgwdnmfegiaryftlksmddkvvgsnkkinivpgfetylgnfrvi
krmlsemgvgysllsdpeevldtpadgqfrmyaggttqeemkdapnalntvllqpwhlek
tkkfvegtwkhevpklnipmgldwtdeflmkvseisgqpipasltkergrlvdmmtdsht
wlhgkrfalwgdpdfvmglvkfllelgcepvhilchngnkrwkkavdailaaspygknat
vyigkdlwhlrslvftdkpdfmignsygkfiqrdtlhkgkefevplirigfpifdrhhlh
rsttlgyegamqilttlvnsilerldeetrgmqatdynhdlvr

    Sequence, based on observed residues (ATOM records): (download) 
    >1g20D (D:)
sqqvdkikasyplfldqdykdmlakkrdgfeekypqdkidevfqwtttkeyqelnfqrea
ltvnpakacqplgavlcalgfektmpyvhgsqgcvayfrsyfnrhfrepvscvsdsmted
aavfggqqnmkdglqnckatykpdmiavsttcmaevigddlnafinnskkegfipdefpv
pfahtpsfvgshvtgwdnmfegiaryftlksmddkvvgsnkkinivpgfetylgnfrvik
rmlsemgvgysllsdpeevldtpadgqfrmyaggttqeemkdapnalntvllqpwhlekt
kkfvegtwkhevpklnipmgldwtdeflmkvseisgqpipasltkergrlvdmmtdshtw
lhgkrfalwgdpdfvmglvkfllelgcepvhilchngnkrwkkavdailaaspygknatv
yigkdlwhlrslvftdkpdfmignsygkfiqrdtlhkgkefevplirigfpifdrhhlhr
sttlgyegamqilttlvnsilerldeetrgmqatdynhdlvr

  • Chain 'E':
    Sequence, based on SEQRES records: (download) 
    >1g20E (E:)
mamrqcaiygkggigkstttqnlvaalaemgkkvmivgcdpkadstrlilhskaqntime
maaeagtvedleledvlkagyggvkcvesggpepgvgcagrgvitainfleeegayeddl
dfvfydvgdvvcggfampirenkaqeiyivcsgemmamyaanniskgivkyansgsvrlg
glicnsrntdredeliialanklgtqmihfvprdnvvqraeirrmtvieydpkakqadey
ralarkvvdnkllvipnpitmdeleellmefgimevedesivgktaeev

    Sequence, based on observed residues (ATOM records): (download) 
    >1g20E (E:)
mrqcaiygkggigkstttqnlvaalaemgkkvmivgcdpkadstrlilntimemaaeagt
vedleledvlkagyggvkcvesggpepgvgcagrgvitainfleeegayldfvfydvgdv
vcggfampirenkaqeiyivcsgemmamyaanniskgivkyansgsvrlgglicnsrnte
deliialanklgtqmihfvprdnvvqraeirrmtvieydpkakqadeyralarkvvdnkl
lvipnpitmdeleellmef

  • Chain 'F':
    Sequence, based on SEQRES records: (download) 
    >1g20F (F:)
mamrqcaiygkggigkstttqnlvaalaemgkkvmivgcdpkadstrlilhskaqntime
maaeagtvedleledvlkagyggvkcvesggpepgvgcagrgvitainfleeegayeddl
dfvfydvgdvvcggfampirenkaqeiyivcsgemmamyaanniskgivkyansgsvrlg
glicnsrntdredeliialanklgtqmihfvprdnvvqraeirrmtvieydpkakqadey
ralarkvvdnkllvipnpitmdeleellmefgimevedesivgktaeev

    Sequence, based on observed residues (ATOM records): (download) 
    >1g20F (F:)
mrqcaiygkggigkstttqnlvaalaemgkkvmivgcdpkadstrlilntimemaaeagt
vedleledvlkagyggvkcvesggpepgvgcagrgvitainfleeegayeddldfvfydv
gdvvcggfampirenkaqeiyivcsgemmamyaanniskgivkyansgsvrlgglicnsr
edeliialanklgtqmihfvprdnvvqraeirrmtvieydpkakqadeyralarkvvdnk
llvipnpitmdeleellmef

  • Chain 'G':
    Sequence, based on SEQRES records: (download) 
    >1g20G (G:)
mamrqcaiygkggigkstttqnlvaalaemgkkvmivgcdpkadstrlilhskaqntime
maaeagtvedleledvlkagyggvkcvesggpepgvgcagrgvitainfleeegayeddl
dfvfydvgdvvcggfampirenkaqeiyivcsgemmamyaanniskgivkyansgsvrlg
glicnsrntdredeliialanklgtqmihfvprdnvvqraeirrmtvieydpkakqadey
ralarkvvdnkllvipnpitmdeleellmefgimevedesivgktaeev

    Sequence, based on observed residues (ATOM records): (download) 
    >1g20G (G:)
mrqcaiygkggigkstttqnlvaalaemgkkvmivgcdpkadstrlilntimemaaeagt
vedleledvlkagyggvkcvesggpepgvgcagrgvitainfleeegayldfvfydvgdv
vcggfampirenkaqeiyivcsgemmamyaanniskgivkyansgsvrlgglicnsrede
liialanklgtqmihfvprdnvvqraeirrmtvieydpkakqadeyralarkvvdnkllv
ipnpitmdeleellmef

  • Chain 'H':
    Sequence, based on SEQRES records: (download) 
    >1g20H (H:)
mamrqcaiygkggigkstttqnlvaalaemgkkvmivgcdpkadstrlilhskaqntime
maaeagtvedleledvlkagyggvkcvesggpepgvgcagrgvitainfleeegayeddl
dfvfydvgdvvcggfampirenkaqeiyivcsgemmamyaanniskgivkyansgsvrlg
glicnsrntdredeliialanklgtqmihfvprdnvvqraeirrmtvieydpkakqadey
ralarkvvdnkllvipnpitmdeleellmefgimevedesivgktaeev

    Sequence, based on observed residues (ATOM records): (download) 
    >1g20H (H:)
mrqcaiygkggigkstttqnlvaalaemgkkvmivgcdpkadstrlilhntimemaaeag
tvedleledvlkagyggvkcvesggpepgvgcagrgvitainfleeegayeddldfvfyd
vgdvvcggfampirenkaqeiyivcsgemmamyaanniskgivkyansgsvrlgglicns
rredeliialanklgtqmihfvprdnvvqraeirrmtvieydpkakqadeyralarkvvd
nkllvipnpitmdeleellmef