SMTL ID : 8i3a.1

Cryo-EM structure of abscisic acid transporter AtABCG25 in outward conformation

Coordinates

PDB Format

Method

ELECTRON MICROSCOPY 3.04 Å

Oligo State

homo-dimer

Ligands

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

ATP.1: 23 residues within 4Å: Chain A: V.49, I.83, P.102, S.103, G.104, S.105, G.106, K.107, S.108, T.109, Q.147, Q.232, H.265 Chain B: T.197, R.205, G.206, I.207, S.208, G.209, G.210, E.211, G.236 Ligands: MG.2 20 PLIP interactions: 13 interactions with chain A, 7 interactions with chain B Hydrogen bonds: A:R.81, A:G.104, A:S.105, A:G.106, A:K.107, A:S.108, A:T.109, A:T.109, A:Q.147, A:Q.232, B:R.205, B:S.208, B:S.208, B:G.209, B:G.210, B:E.211 Salt bridges: A:K.107, A:K.107, A:H.265, B:R.205 ATP.3: 23 residues within 4Å: Chain A: T.197, R.205, G.206, I.207, S.208, G.209, G.210, E.211, G.236 Chain B: V.49, I.83, P.102, S.103, G.104, S.105, G.106, K.107, S.108, T.109, Q.147, Q.232, H.265 Ligands: MG.4 20 PLIP interactions: 13 interactions with chain B, 7 interactions with chain A Hydrogen bonds: B:R.81, B:G.104, B:S.105, B:G.106, B:K.107, B:S.108, B:T.109, B:T.109, B:Q.147, B:Q.232, A:R.205, A:S.208, A:S.208, A:G.209, A:G.210, A:E.211 Salt bridges: B:K.107, B:K.107, B:H.265, A:R.205

2 x MG: MAGNESIUM ION(Non-covalent)

MG.2: 4 residues within 4Å: Chain A: S.108, D.231, Q.232 Ligands: ATP.1 1 PLIP interactions: 1 interactions with chain A Metal complexes: A:S.108 MG.4: 4 residues within 4Å: Chain B: S.108, D.231, Q.232 Ligands: ATP.3 1 PLIP interactions: 1 interactions with chain B Metal complexes: B:S.108

Links

RCSB   PDBe   PDBe-KB   PDBj   PDBsum   CATH   PLIP

Citation

Huang, X. et al., Cryo-EM structure and molecular mechanism of abscisic acid transporter ABCG25. Nat.Plants (2023)

Release Date

2023-09-13

Peptides

ABC transporter G family member 25: 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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ABC transporter G family member 25

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