eF-site ID 6n4j-AB PDB Code 6n4j Chain A, B click to enlarge Title Ti(III)citrate-reduced, nucleotide-free form of the nitrogenase Fe-protein from A. vinelandii Classification OXIDOREDUCTASE Compound Nitrogenase iron protein 1 Source ORGANISM_SCIENTIFIC: Azotobacter vinelandii; Sequence A:  AMRQCAIYGKGGIGKSTTTQNLVAALAEMGKKVMIVGCDP KADSTRLILHSKAQNTIMEMAAEAGTVEDLELEDVLKAGY GGVKCVESGGPEPGVGCAGRGVITAINFLEEEGAYEDDLD FVFYDVLGDVVCGGFAMPIRENKAQEIYIVCSGEMMAMYA ANNISKGIVKYANSGSVRLGGLICNSRNTDREDELIIALA NKLGTQMIHFVPRDNVVQRAEIRRMTVIEYDPKAKQADEY RALARKVVDNKLLVIPNPITMDELEELLMEFGIMEVEDES IVGKTAEEV B:  AMRQCAIYGKGGIGKSTTTQNLVAALAEMGKKVMIVGCDP KADSTRLILHSKAQNTIMEMAAEAGTVEDLELEDVLKAGY GGVKCVESGGPEPGVGCAGRGVITAINFLEEEGAYEDDLD FVFYDVLGDVVCGGFAMPIRENKAQEIYIVCSGEMMAMYA ANNISKGIVKYANSGSVRLGGLICNSRNTDREDELIIALA NKLGTQMIHFVPRDNVVQRAEIRRMTVIEYDPKAKQADEY RALARKVVDNKLLVIPNPITMDELEELLMEFGIMEVEDES IVGKTA Description Functional site 1) chain A residue 97 type sequence C description binding site for residue SF4 A 301 source : AC1 2) chain A residue 98 type sequence A description binding site for residue SF4 A 301 source : AC1 3) chain A residue 132 type sequence C description binding site for residue SF4 A 301 source : AC1 4) chain A residue 134 type sequence G description binding site for residue SF4 A 301 source : AC1 5) chain B residue 97 type sequence C description binding site for residue SF4 A 301 source : AC1 6) chain B residue 132 type sequence C description binding site for residue SF4 A 301 source : AC1 7) chain B residue 134 type sequence G description binding site for residue SF4 A 301 source : AC1 8) chain A residue 125-138 type prosite sequence DVLGDVVCGGFAMP description NIFH_FRXC_2 NifH/frxC family signature 2. DvLGDVVCGGFAmP source prosite : PS00692 9) chain A residue 87-99 type prosite sequence ESGGPEPGVGCAG description NIFH_FRXC_1 NifH/frxC family signature 1. EsGGPepGvGCAG source prosite : PS00746 10) chain A residue 10 type catalytic sequence K description 212 source MCSA : MCSA1 11) chain A residue 15 type catalytic sequence K description 212 source MCSA : MCSA1 12) chain A residue 41 type catalytic sequence K description 212 source MCSA : MCSA1 13) chain A residue 129 type catalytic sequence D description 212 source MCSA : MCSA1 14) chain B residue 10 type catalytic sequence K description 212 source MCSA : MCSA2 15) chain B residue 15 type catalytic sequence K description 212 source MCSA : MCSA2 16) chain B residue 41 type catalytic sequence K description 212 source MCSA : MCSA2 17) chain B residue 129 type catalytic sequence D description 212 source MCSA : MCSA2 18) chain A residue 132 type BINDING sequence C description source Swiss-Prot : SWS_FT_FI1 19) chain B residue 9 type BINDING sequence G description source Swiss-Prot : SWS_FT_FI1 20) chain B residue 97 type BINDING sequence C description source Swiss-Prot : SWS_FT_FI1 21) chain B residue 132 type BINDING sequence C description source Swiss-Prot : SWS_FT_FI1 22) chain A residue 9 type BINDING sequence G description source Swiss-Prot : SWS_FT_FI1 23) chain A residue 97 type BINDING sequence C description source Swiss-Prot : SWS_FT_FI1 24) chain A residue 100 type MOD_RES sequence R description ADP-ribosylarginine; by dinitrogenase reductase ADP-ribosyltransferase => ECO:0000250 source Swiss-Prot : SWS_FT_FI2 25) chain B residue 100 type MOD_RES sequence R description ADP-ribosylarginine; by dinitrogenase reductase ADP-ribosyltransferase => ECO:0000250 source Swiss-Prot : SWS_FT_FI2

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