SMTL ID : 7ojh.1

ABCG2 topotecan turnover-1 state

Coordinates

PDB Format

Method

ELECTRON MICROSCOPY

Oligo State

homo-dimer

Ligands

2 x ATP: ADENOSINE-5'-TRIPHOSPHATE(Non-covalent)

ATP.1: 14 residues within 4Å: Chain A: V.56, I.73, T.92, G.93, G.94, G.95, K.96, S.97, S.98, K.107, Q.136, D.220, E.221, S.251 11 PLIP interactions: 11 interactions with chain A Hydrogen bonds: A:K.96, A:S.97, A:S.97, A:S.98, A:S.98, A:K.107, A:E.221, A:E.221, A:E.221, A:S.251 Salt bridges: A:K.96 ATP.3: 14 residues within 4Å: Chain B: V.56, I.73, T.92, G.93, G.94, G.95, K.96, S.97, S.98, K.107, Q.136, D.220, E.221, S.251 10 PLIP interactions: 10 interactions with chain B Hydrogen bonds: B:K.96, B:S.97, B:S.97, B:S.98, B:S.98, B:K.107, B:E.221, B:E.221, B:S.251 Salt bridges: B:K.96

2 x CLR: CHOLESTEROL(Non-covalent)

CLR.2: 8 residues within 4Å: Chain A: Y.580, F.581, Y.586, K.638, A.642, C.645, I.649, F.650 5 PLIP interactions: 5 interactions with chain A Hydrophobic interactions: A:F.581, A:F.581, A:A.642, A:I.649, A:F.650 CLR.5: 6 residues within 4Å: Chain B: Y.580, F.581, Y.586, K.638, A.642, C.645 2 PLIP interactions: 2 interactions with chain B Hydrophobic interactions: B:F.581, B:A.642

1 x TTC: (S)-10-[(DIMETHYLAMINO)METHYL]-4-ETHYL-4,9-DIHYDROXY-1H-PYRANO[3',4':6,7]INOLIZINO[1,2-B]-QUINOLINE-3,14(4H,12H)-DIONE(Non-covalent)

TTC.4: 10 residues within 4Å: Chain A: F.442, T.445, N.446, F.449, M.559 Chain B: N.446, F.449, S.450, V.452, M.559 6 PLIP interactions: 3 interactions with chain B, 3 interactions with chain A Hydrophobic interactions: B:F.449 pi-Stacking: B:F.449, B:F.449, A:F.449, A:F.449 Hydrogen bonds: A:T.445

Links

RCSB   PDBe   PDBe-KB   PDBj   PDBsum   CATH   PLIP

Citation

Yu, Q. et al., Structures of ABCG2 under turnover conditions reveal a key step in the drug transport mechanism. Nat Commun (2021)

Release Date

2021-07-21

Peptides

Broad substrate specificity ATP-binding cassette transporter ABCG2: AB

SMTL:PDB

SMTL Chain Id:
PDB Chain Id:

A
B

B
A

Membrane

We predict this structure to be a membrane protein.
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Broad substrate specificity ATP-binding cassette transporter ABCG2

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