SMTL ID : 5h8v.2 (1 other biounit)

Crystal structure of the complex between maize Sulfite Reductase and ferredoxin in the form-1 crystal

Coordinates

PDB Format

Method

X-RAY DIFFRACTION 2.20 Å

Oligo State

monomer

Ligands

1 x SF4: IRON/SULFUR CLUSTER(Non-covalent)

SF4.1: 11 residues within 4Å: Chain A: C.442, A.444, C.448, A.451, T.486, G.487, C.488, N.490, G.491, C.492 Ligands: SRM.2 4 PLIP interactions: 4 interactions with chain A, Metal complexes: A:C.442, A:C.448, A:C.488, A:C.492

1 x SRM: SIROHEME(Non-covalent)

SRM.2: 31 residues within 4Å: Chain A: Y.54, Q.56, R.72, R.101, T.103, T.104, R.105, T.107, Q.109, H.111, R.223, K.224, K.226, G.266, M.267, G.268, R.316, Q.402, A.441, C.442, P.443, L.447, C.448, P.449, L.450, N.490, G.491, C.492, R.494 Ligands: SF4.1, PO4.3 39 PLIP interactions: 39 interactions with chain A, Hydrophobic interactions: A:Y.54, A:M.267, A:P.443, A:L.450, A:N.490, A:R.494 Hydrogen bonds: A:Q.56, A:T.104, A:M.267, A:G.268, A:Q.402, A:L.447 Water bridges: A:K.49, A:R.105, A:R.105, A:R.105, A:R.316, A:R.316, A:K.318, A:K.318, A:C.448 Salt bridges: A:K.49, A:R.72, A:R.101, A:R.105, A:H.111, A:R.223, A:R.223, A:K.224, A:K.224, A:K.226, A:K.226, A:R.316, A:R.316, A:K.318, A:R.494 pi-Cation interactions: A:K.224, A:K.226 Metal complexes: A:C.492

1 x PO4: PHOSPHATE ION(Non-functional Binders)

PO4.3: 5 residues within 4Å: Chain A: R.72, R.141, K.224, K.226 Ligands: SRM.2 4 PLIP interactions: 4 interactions with chain A Salt bridges: A:R.72, A:R.141, A:K.224, A:K.226

2 x MG: MAGNESIUM ION(Non-covalent)

MG.4: 3 residues within 4Å: Chain A: V.372, N.401, N.403 4 PLIP interactions: 2 interactions with chain A, 2 Ligand-Water interactions Metal complexes: A:V.372, A:N.401, H2O.3, H2O.4 MG.5: 3 residues within 4Å: Chain A: Y.54, G.137, R.141 No protein-ligand interaction detected (PLIP)

Links

RCSB   PDBe   PDBe-KB   PDBj   PDBsum   CATH   PLIP

Citation

Kim, J.Y. et al., Structural and mutational studies of an electron transfer complex of maize sulfite reductase and ferredoxin. J.Biochem. (2016)

Release Date

2016-04-13

Peptides

Sulfite reductase [ferredoxin], chloroplastic: A

SMTL:PDB

SMTL Chain Id:
PDB Chain Id:

A
B

Sulfite reductase [ferredoxin], chloroplastic

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