SMTL ID : 9c19.2 (2 other biounits)

Structure of human LIAS

Coordinates

PDB Format Compare

Method

X-RAY DIFFRACTION 2.58 Å

Oligo State

hetero-1-1-mer

Ligands

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

SF4.1: 7 residues within 4Å: Chain A: C.137, R.139, C.141, F.143, C.144, D.181 Ligands: SAM.3 5 PLIP interactions: 5 interactions with chain A, Salt bridges: A:D.181, A:E.239 Metal complexes: A:C.137, A:C.141, A:C.144

1 x F3S: FE3-S4 CLUSTER(Non-covalent)

F3S.2: 10 residues within 4Å: Chain A: C.106, C.111, N.113, I.114, C.117, T.129, R.350, S.352, Y.353 Ligands: YVI.4 3 PLIP interactions: 3 interactions with chain A, Metal complexes: A:C.106, A:C.111, A:C.117

1 x SAM: S-ADENOSYLMETHIONINE(Non-covalent)

SAM.3: 21 residues within 4Å: Chain A: V.105, M.131, F.143, T.178, S.179, D.181, L.212, P.214, D.215, H.236, N.237, E.239, M.279, Q.308, Y.309, M.310, P.312, R.350 Chain B: K.107 Ligands: SF4.1, YVI.4 10 PLIP interactions: 10 interactions with chain A Hydrophobic interactions: A:L.212 Hydrogen bonds: A:D.181, A:D.215, A:E.239, A:M.310, A:M.310, A:R.350 Water bridges: A:R.249 Salt bridges: A:H.236 pi-Stacking: A:F.143

1 x YVI: 6-THIOOCTANOIC ACID(Covalent)

YVI.4: 12 residues within 4Å: Chain A: V.105, C.106, A.109, R.110, C.111, P.112, R.350, S.351, S.352 Chain B: K.107 Ligands: F3S.2, SAM.3 2 PLIP interactions: 2 interactions with chain A Hydrophobic interactions: A:R.350 Hydrogen bonds: A:R.350

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

PO4.5: 5 residues within 4Å: Chain B: T.54, E.55, K.96, Q.97, E.157 4 PLIP interactions: 4 interactions with chain B Hydrogen bonds: B:T.54, B:E.55, B:Q.97 Salt bridges: B:K.96

Links

RCSB   PDBe   PDBe-KB   PDBj   PDBsum   CATH   PLIP

Citation

Esakova, O.A. et al., Structural basis for the mechanism of the human lipoyl synthase (LIAS) and its complex with the H-protein. To Be Published

Release Date

2025-07-09

Peptides

Lipoyl synthase, mitochondrial: A
Glycine cleavage system H protein, mitochondrial: B

SMTL:PDB

SMTL Chain Id:
PDB Chain Id:

A
A

B
D

Lipoyl synthase, mitochondrial

Glycine cleavage system H protein, mitochondrial

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