SMTL ID : 7ehl.1

Cryo-EM structure of human ABCB8 transporter in nucleotide binding state

Coordinates

PDB Format

Method

ELECTRON MICROSCOPY

Oligo State

homo-dimer

Ligands

4 x CLR: CHOLESTEROL(Non-covalent)

CLR.1: 8 residues within 4Å: Chain A: L.237, L.248, G.340, V.344, L.354, F.357, S.361, Q.365 3 PLIP interactions: 3 interactions with chain A Hydrophobic interactions: A:L.237, A:L.248, A:F.357 CLR.3: 5 residues within 4Å: Chain A: R.218, R.366 Chain B: G.252, N.326, Q.365 No protein-ligand interaction detected (PLIP) CLR.5: 5 residues within 4Å: Chain A: G.252, N.326, Q.365 Chain B: R.218, R.366 No protein-ligand interaction detected (PLIP) CLR.6: 8 residues within 4Å: Chain B: L.237, L.248, G.340, V.344, L.354, F.357, S.361, Q.365 3 PLIP interactions: 3 interactions with chain B Hydrophobic interactions: B:L.237, B:L.248, B:F.357

2 x ANP: PHOSPHOAMINOPHOSPHONIC ACID-ADENYLATE ESTER(Non-covalent)

ANP.2: 10 residues within 4Å: Chain A: D.187, Y.424, C.426, S.452, G.455, K.456, T.457, T.458 Chain B: R.285 Ligands: MG.4 12 PLIP interactions: 1 interactions with chain B, 11 interactions with chain A Hydrogen bonds: B:R.285, A:D.187, A:D.187, A:G.455, A:K.456, A:K.456, A:T.457, A:T.457, A:T.457, A:T.458 pi-Stacking: A:Y.424, A:Y.424 ANP.7: 10 residues within 4Å: Chain A: R.285 Chain B: D.187, Y.424, C.426, S.452, G.455, K.456, T.457, T.458 Ligands: MG.8 12 PLIP interactions: 11 interactions with chain B, 1 interactions with chain A Hydrogen bonds: B:D.187, B:D.187, B:G.455, B:K.456, B:K.456, B:T.457, B:T.457, B:T.457, B:T.458, A:R.285 pi-Stacking: B:Y.424, B:Y.424

2 x MG: MAGNESIUM ION(Non-covalent)

MG.4: 2 residues within 4Å: Chain A: T.457 Ligands: ANP.2 1 PLIP interactions: 1 interactions with chain A Metal complexes: A:T.457 MG.8: 2 residues within 4Å: Chain B: T.457 Ligands: ANP.7 1 PLIP interactions: 1 interactions with chain B Metal complexes: B:T.457

Links

RCSB   PDBe   PDBe-KB   PDBj   PDBsum   CATH   PLIP

Citation

Li, S. et al., Cryo-EM structure of human ABCB8 transporter in nucleotide binding state. Biochem.Biophys.Res.Commun. (2021)

Release Date

2021-05-05

Peptides

Mitochondrial potassium channel ATP-binding subunit: AB

SMTL:PDB

SMTL Chain Id:
PDB Chain Id:

A
A

B
B

Membrane

We predict this structure to be a membrane protein.
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Mitochondrial potassium channel ATP-binding subunit