SMTL ID : 8rmc.1

Structure of the FDX2-bound core ISC complex (proximal conformation)

Coordinates

PDB Format Compare

Method

ELECTRON MICROSCOPY

Oligo State

hetero-2-2-2-1-2-mer

Ligands

2 x FE2: FE (II) ION(Non-covalent)

FE2.1: 5 residues within 4Å: Chain A: C.328 Chain C: D.39, C.63, H.105, C.106 4 PLIP interactions: 1 interactions with chain A, 3 interactions with chain C Metal complexes: A:C.328, C:D.39, C:C.63, C:H.105 FE2.4: 6 residues within 4Å: Chain F: C.328 Chain H: C.37, D.39, C.63, H.105, C.106 4 PLIP interactions: 3 interactions with chain H, 1 interactions with chain F Metal complexes: H:D.39, H:C.63, H:H.105, F:C.328

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

FES.2: 10 residues within 4Å: Chain D: G.41, C.43, E.44, A.45, L.47, A.48, C.49, S.50, C.52, C.89 4 PLIP interactions: 4 interactions with chain D, Metal complexes: D:C.43, D:C.49, D:C.52, D:C.89

2 x 8Q1: S-[2-({N-[(2R)-2-hydroxy-3,3-dimethyl-4-(phosphonooxy)butanoyl]-beta-alanyl}amino)ethyl] dodecanethioate(Covalent)

8Q1.3: 15 residues within 4Å: Chain B: R.30, V.33, M.40, Y.55, I.60, A.63, F.64, N.67, K.68, V.70, I.76, L.79, A.83, D.86 Chain E: S.37 13 PLIP interactions: 12 interactions with chain B, 1 interactions with chain E Hydrophobic interactions: B:R.30, B:V.33, B:Y.55, B:I.60, B:A.63, B:F.64, B:F.64 Hydrogen bonds: B:N.67, B:N.67, B:K.68, E:S.37 Salt bridges: B:R.30, B:K.68 8Q1.5: 14 residues within 4Å: Chain G: R.30, V.33, Y.55, I.60, A.63, F.64, N.67, K.68, V.70, I.76, L.79, A.83, D.86 Chain I: S.37 16 PLIP interactions: 15 interactions with chain G, 1 interactions with chain I Hydrophobic interactions: G:R.30, G:Y.55, G:I.60, G:A.63, G:F.64, G:F.64, G:A.83, G:D.86 Hydrogen bonds: G:N.67, G:N.67, G:K.68, G:K.68, G:K.68, I:S.37 Salt bridges: G:R.30, G:K.68

Links

RCSB   PDBe   PDBe-KB   PDBj   PDBsum   CATH   PLIP

Citation

Steinhilper, R. et al., Two-stage binding of mitochondrial ferredoxin-2 to the core iron-sulfur cluster assembly complex. Nat Commun (2024)

Release Date

2024-12-18

Peptides

Isoform Mitochondrial of Cysteine desulfurase: AF
LYR motif-containing protein 4: BG
Isoform 1 of Iron-sulfur cluster assembly enzyme ISCU: CH
Ferredoxin-2, mitochondrial: D
Acyl carrier protein: EI

SMTL:PDB

SMTL Chain Id:
PDB Chain Id:

A
A

F
E

B
B

G
F

C
D

H
H

D
I

E
C

I
G

Isoform Mitochondrial of Cysteine desulfurase

LYR motif-containing protein 4

Isoform 1 of Iron-sulfur cluster assembly enzyme ISCU

Ferredoxin-2, mitochondrial

Acyl carrier protein

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