TSRI's main web site PROMISE mirror at TSRI Metalloprotein DB site Created: 18 February 1998
Last modified: 29 March 1999

Mononuclear iron proteins in PROMISE
    M Main entry
    S Structural studies
    R Reviews
    c/m Iron centre per monomer
    c.n. Coordination number

Protein family Entries Formal oxidation/
spin states		 c/m c.n. Geometry Ligands
Mononuclear iron proteins M
R
Aldehyde ferredoxin oxidoreductase M S
1AOR FeII (S=2) 1/2 4 Tetrahedral 2×NepsilonHis;
2×OepsilonGlu
Aromatic amino acid hydroxylases M S R FeII (S=2);
FeIII (S=5/2) 		1 5 Square pyramidal 2×NepsilonHis; OepsilonGlu; 2×H2O or eta2­OCatechol
Aromatic­ring­hydroxylating dioxygenases M S

FeII (S=2) 1 5 Octahedral without one ligand 2×NepsilonHis;
eta2­OdeltaAsp; H2O
Desulforedoxin M S
1DXG FeII (S=2);
FeIII (S=5/2)		 1 4 Tetrahedral 4×SgammaCys
Desulfoferrodoxin M S

I FeII (S=2);
FeIII (S=5/2)		 1 4 Tetrahedral 4×SgammaCys
II FeII (S=2);
FeIII (S=5/2)		 1 5 Square pyramidal NdeltaHis; 3×NepsilonHis
Extradiol aromatic ring cleavage dioxygenases M S R 1HAN FeII (S=2);
FeIII (S=5/2) 		1 5 Square pyramidal 2×NepsilonHis; OepsilonGlu; 2×H2O or eta2­OCatechol
Intradiol aromatic ring cleavage dioxygenases M S 2PCD FeIII (S=5/2) 1 5 Trigonal bipyramidal 2×NepsilonHis;
2×OetaTyr; OH¯
FeII (S=2);
FeIII (S=5/2)		 5 Square pyramidal 2×NepsilonHis; OetaTyr; eta2­OCatechol
Fe-superoxide dismutase M S R FeII (S=2);
FeIII (S=5/2)		 1 5 Trigonal bipyramidal 3×NepsilonHis; eta1­OdeltaAsp; H2O or OH¯
Isopenicillin N synthase M S R 1IPS FeII (S=2);
FeIV (S=1)		 1 6 Octahedral 2×NepsilonHis; OdeltaAsp;
OepsilonGln or O2; H2O or SgammaCys (substrate); H2O
Lipoxygenases M S R 2SBL FeII (S=2);
FeIII (S=5/2)		 1 6 Octahedral 3×NepsilonHis;
eta1­OCOO¯Ile;
eta1­OdeltaAsn or
NdeltaHis;
OH¯ or H2O
Nitrile hydratase M S R
FeIII (S=1/2) 1 6 Octahedral 3×SgammaCys;
2×Nalpha; OH¯ or ·NO
Photosynthetic reaction centres of purple bacteria M S R 1PRC FeII (S=2); spin­coupled to QA·¯ and QB·¯ 1/2 6 Octahedral 4×NepsilonHis;
eta2­OepsilonGlu
Rubredoxin M S
1CAD FeII (S=2);
FeIII (S=5/2)		 1 4 Tetrahedral 4×SgammaCys
Rubrerythrin M S
1RYT FeII (S=2);
FeIII (S=5/2)		 1 4 Tetrahedral 4×SgammaCys

    M Main entry
    S Structural studies
    R Reviews
    c/m Iron centre per monomer
    c.n. Coordination number