SMTL ID : 4eb5.1

A. fulgidus IscS-IscU complex structure

Coordinates

PDB Format

Method

X-RAY DIFFRACTION 2.53 Å

Oligo State

hetero-2-2-mer

Ligands

2 x PLP: PYRIDOXAL-5'-PHOSPHATE(Non-covalent)

PLP.1: 11 residues within 4Å: Chain A: T.7, A.69, T.70, N.73, H.98, S.100, N.149, D.173, T.175 Chain B: G.233, S.234 10 PLIP interactions: 9 interactions with chain A, 1 interactions with chain B Hydrophobic interactions: A:T.175 Hydrogen bonds: A:A.69, A:T.70, A:T.70, A:T.70, A:N.73, A:N.149, A:T.175, B:S.234 pi-Stacking: A:H.98 PLP.5: 8 residues within 4Å: Chain A: S.234 Chain B: A.69, T.70, N.73, H.98, N.149, D.173, T.175 9 PLIP interactions: 7 interactions with chain B, 2 interactions with chain A Hydrophobic interactions: B:T.175 Hydrogen bonds: B:A.69, B:T.70, B:T.70, B:N.149, A:S.234, A:S.234 Water bridges: B:S.196 pi-Stacking: B:H.98

3 x GOL: GLYCEROL(Non-functional Binders)

GOL.2: 10 residues within 4Å: Chain A: L.55, S.177, V.178, G.179, Q.180, I.181, E.182, V.183, W.254 Ligands: EPE.4 4 PLIP interactions: 4 interactions with chain A Hydrogen bonds: A:S.177, A:G.179, A:Q.180, A:V.183 GOL.3: 6 residues within 4Å: Chain A: I.78, F.107, Q.218, V.220 Chain B: I.78, F.107 1 PLIP interactions: 1 interactions with chain A Hydrogen bonds: A:Q.218 GOL.6: 9 residues within 4Å: Chain B: F.65, T.66, S.67, G.205, R.231, S.234, E.235, N.236, I.240 4 PLIP interactions: 4 interactions with chain B Hydrogen bonds: B:G.205, B:R.231, B:N.236, B:N.236

1 x EPE: 4-(2-HYDROXYETHYL)-1-PIPERAZINE ETHANESULFONIC ACID(Non-functional Binders)

EPE.4: 4 residues within 4Å: Chain A: K.54, N.57, A.251 Ligands: GOL.2 No protein-ligand interaction detected (PLIP)

2 x FES: FE2/S2 (INORGANIC) CLUSTER(Non-covalent)

FES.7: 9 residues within 4Å: Chain A: C.321 Chain C: C.33, D.35, G.57, C.58, A.61, K.99, H.101, C.102 4 PLIP interactions: 3 interactions with chain C, 1 interactions with chain A, Metal complexes: C:C.33, C:C.58, C:C.102, A:C.321 FES.8: 8 residues within 4Å: Chain B: C.321 Chain D: C.33, D.35, C.58, A.61, K.99, H.101, C.102 4 PLIP interactions: 1 interactions with chain B, 3 interactions with chain D, Metal complexes: B:C.321, D:C.33, D:C.58, D:C.102

Links

RCSB   PDBe   PDBe-KB   PDBj   PDBsum   CATH   PLIP

Citation

Marinoni, E.N. et al., (IscS-IscU)2 complex structures provide insights into Fe2S2 biogenesis and transfer. Angew.Chem.Int.Ed.Engl. (2012)

Release Date

2012-05-02

Peptides

Probable cysteine desulfurase 2: AB
NifU protein (NifU-1): CD

SMTL:PDB

SMTL Chain Id:
PDB Chain Id:

A
A

B
B

C
C

D
D

Probable cysteine desulfurase 2

NifU protein (NifU-1)

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