SMTL ID : 7nez.1

Structure of topotecan-bound ABCG2

Coordinates

PDB Format

Method

ELECTRON MICROSCOPY

Oligo State

hetero-2-2-2-mer

Ligands

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.1: 13 residues within 4Å: Chain A: N.436, F.439, S.440, T.542, V.546, M.549 Chain B: T.435, F.439, L.539, T.542, I.543, V.546, M.549 5 PLIP interactions: 1 interactions with chain A, 4 interactions with chain B pi-Stacking: A:F.439, B:F.439 Hydrophobic interactions: B:F.439, B:T.542 Hydrogen bonds: B:T.435

4 x NAG: 2-acetamido-2-deoxy-beta-D-glucopyranose(Non-covalent)(Non-functional Binders)

NAG.2: 5 residues within 4Å: Chain A: N.596 Chain D: T.30, S.31, F.54 Ligands: NAG.5 2 PLIP interactions: 1 interactions with chain A, 1 interactions with chain D Hydrogen bonds: A:N.596 Hydrophobic interactions: D:F.54 NAG.3: 5 residues within 4Å: Chain B: N.596, T.598 Chain F: S.31, F.54 Ligands: NAG.4 2 PLIP interactions: 1 interactions with chain B, 1 interactions with chain F Hydrogen bonds: B:N.596 Hydrophobic interactions: F:F.54 NAG.4: 1 residues within 4Å: Ligands: NAG.3 No protein-ligand interaction detected (PLIP) NAG.5: 1 residues within 4Å: Ligands: NAG.2 No protein-ligand interaction detected (PLIP)

Links

RCSB   PDBe   PDBe-KB   PDBj   PDBsum   CATH   PLIP

Citation

Kowal, J. et al., Structural Basis of Drug Recognition by the Multidrug Transporter ABCG2. J.Mol.Biol. (2021)

Release Date

2021-04-21

Peptides

ATP-binding cassette sub-family G member 2: AB
5D3(Fab) light chain variable domain: CE
5D3(Fab) heavy chain variable domain: DF

SMTL:PDB

SMTL Chain Id:
PDB Chain Id:

A
A

B
B

C
C

E
E

D
D

F
F

Membrane

We predict this structure to be a membrane protein.
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ATP-binding cassette sub-family G member 2

5D3(Fab) light chain variable domain

5D3(Fab) heavy chain variable domain

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