SMTL ID : 9n64.1

Transporter associated with antigen processing (TAP) EQ mutant bound to ATP in the outward-facing kinked state

Coordinates

PDB Format Compare

Method

ELECTRON MICROSCOPY 3.70 Å

Oligo State

hetero-1-1-mer

Ligands

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

ATP.1: 18 residues within 4Å: Chain A: Y.512, N.514, P.539, N.540, G.541, S.542, G.543, K.544, S.545, T.546, Q.586, Q.701 Chain B: S.605, Q.606, A.608, A.609, G.610 Ligands: MG.2 21 PLIP interactions: 17 interactions with chain A, 4 interactions with chain B Hydrogen bonds: A:N.514, A:N.540, A:G.541, A:S.542, A:G.543, A:K.544, A:S.545, A:S.545, A:S.545, A:T.546, A:T.546, A:Q.586, A:Q.701, B:S.605, B:A.609, B:G.610, B:Q.611 Salt bridges: A:K.544, A:K.544 pi-Stacking: A:Y.512, A:Y.512 ATP.3: 20 residues within 4Å: Chain A: S.641, Q.642, S.644, G.645, G.646, Q.647 Chain B: Q.242, Y.477, R.480, P.504, N.505, G.506, S.507, G.508, K.509, S.510, T.511, Q.551, H.661 Ligands: MG.4 26 PLIP interactions: 22 interactions with chain B, 4 interactions with chain A Hydrogen bonds: B:Q.242, B:Q.242, B:R.480, B:P.504, B:N.505, B:G.506, B:S.507, B:G.508, B:K.509, B:S.510, B:T.511, B:T.511, B:Q.551, A:S.644, A:G.645, A:G.646, A:Q.647 Water bridges: B:K.509, B:K.509, B:S.510, B:S.510 Salt bridges: B:K.509, B:K.509, B:H.661 pi-Stacking: B:Y.477, B:Y.477

2 x MG: MAGNESIUM ION(Non-covalent)

MG.2: 3 residues within 4Å: Chain A: S.545, Q.586 Ligands: ATP.1 3 PLIP interactions: 1 interactions with chain A, 2 Ligand-Water interactions Metal complexes: A:S.545, H2O.1, H2O.1 MG.4: 4 residues within 4Å: Chain B: K.509, S.510, Q.551 Ligands: ATP.3 3 PLIP interactions: 1 interactions with chain B, 2 Ligand-Water interactions Metal complexes: B:S.510, H2O.1, H2O.1

Links

RCSB   PDBe   PDBe-KB   PDBj   PDBsum   CATH   PLIP

Citation

Lee, J. et al., Transporter associated with antigen processing (TAP) EQ mutant bound to ATP in the outward-facing kinked state. To Be Published

Release Date

2025-09-03

Peptides

Antigen peptide transporter 1: A
Antigen peptide transporter 2: B

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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Antigen peptide transporter 1

Antigen peptide transporter 2

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