SMTL ID : 8k7b.1

post-occluded structure of human ABCB6 W546A mutant (ADP/VO4-bound)

Coordinates

PDB Format Compare

Method

ELECTRON MICROSCOPY

Oligo State

homo-dimer

Ligands

2 x PEV: (1S)-2-{[(2-AMINOETHOXY)(HYDROXY)PHOSPHORYL]OXY}-1-[(PALMITOYLOXY)METHYL]ETHYL STEARATE(Non-covalent)

PEV.1: 9 residues within 4Å: Chain A: W.2, F.5, R.198, T.199, R.202, F.310, Y.314, Q.318, F.321 11 PLIP interactions: 11 interactions with chain A Hydrophobic interactions: A:W.2, A:F.5, A:F.310, A:Y.314, A:Y.314 Hydrogen bonds: A:T.199, A:R.202, A:Q.318 Salt bridges: A:R.198, A:R.202, A:R.202 PEV.4: 8 residues within 4Å: Chain B: W.2, F.5, R.198, T.199, R.202, F.310, Y.314, Q.318 8 PLIP interactions: 8 interactions with chain B Hydrophobic interactions: B:W.2, B:F.310, B:Y.314, B:Y.314 Hydrogen bonds: B:T.199 Salt bridges: B:K.8, B:R.198, B:R.202

2 x AOV: ADP ORTHOVANADATE

AOV.2: 20 residues within 4Å: Chain A: Y.362, T.368, S.388, G.389, G.391, K.392, S.393, T.394, Y.403, Q.434, H.546 Chain B: F.475, K.489, L.490, S.491, G.492, G.493, E.494, A.519 Ligands: MG.3 13 PLIP interactions: 3 interactions with chain B, 10 interactions with chain A Hydrogen bonds: B:S.491, B:G.492, B:G.493, A:G.389, A:G.389, A:G.391, A:K.392, A:S.393, A:T.394, A:T.394, A:Y.403, A:H.546 pi-Stacking: A:Y.362 AOV.5: 16 residues within 4Å: Chain A: K.489, L.490, S.491, G.492, G.493, E.494 Chain B: Y.362, S.388, G.389, G.391, K.392, S.393, T.394, Q.434, H.546 Ligands: MG.6 12 PLIP interactions: 10 interactions with chain B, 2 interactions with chain A Hydrogen bonds: B:G.389, B:G.389, B:G.391, B:K.392, B:S.393, B:T.394, B:T.394, B:Q.434, A:G.492, A:E.494 Salt bridges: B:K.392 pi-Stacking: B:Y.362

2 x MG: MAGNESIUM ION(Non-covalent)

MG.3: 4 residues within 4Å: Chain A: S.393, Q.434, D.514 Ligands: AOV.2 1 PLIP interactions: 1 interactions with chain A Metal complexes: A:S.393 MG.6: 4 residues within 4Å: Chain B: S.393, Q.434, D.514 Ligands: AOV.5 1 PLIP interactions: 1 interactions with chain B Metal complexes: B:S.393

Links

RCSB   PDBe   PDBe-KB   PDBj   PDBsum   CATH   PLIP

Citation

Lee, S.S. et al., W546 stacking disruption traps the human porphyrin transporter ABCB6 in an outward-facing transient state. Commun Biol (2023)

Release Date

2023-10-04

Peptides

ATP-binding cassette sub-family B member 6: 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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ATP-binding cassette sub-family B member 6