SMTL ID : 4k8o.1

CRYSTAL STRUCTURE OF THE ATPASE DOMAIN OF TAP1 WITH ATP (D645N, D651A MUTANT)

Coordinates

PDB Format Compare

Method

X-RAY DIFFRACTION 2.65 Å

Oligo State

homo-dimer

Ligands

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

ATP.1: 12 residues within 4Å: Chain A: Y.26, V.34, P.53, N.54, G.55, S.56, G.57, K.58, S.59, T.60, Q.215 Ligands: MG.3 14 PLIP interactions: 14 interactions with chain A Hydrogen bonds: A:N.54, A:G.55, A:G.55, A:S.56, A:G.57, A:K.58, A:S.59, A:T.60, A:Q.215 Water bridges: A:Y.26 Salt bridges: A:K.58, A:K.58 pi-Stacking: A:Y.26, A:Y.26 ATP.5: 12 residues within 4Å: Chain B: Y.26, V.34, P.53, N.54, G.55, S.56, G.57, K.58, S.59, T.60, Q.215 Ligands: MG.7 14 PLIP interactions: 14 interactions with chain B Hydrogen bonds: B:N.54, B:G.55, B:G.55, B:S.56, B:G.57, B:K.58, B:S.59, B:T.60, B:T.60, B:Q.215 Salt bridges: B:K.58, B:K.58 pi-Stacking: B:Y.26, B:Y.26

2 x NI: NICKEL (II) ION(Non-covalent)

NI.2: 5 residues within 4Å: Chain A: H.88, H.92 Chain B: H.88, H.92 Ligands: NI.6 4 PLIP interactions: 2 interactions with chain B, 2 interactions with chain A Metal complexes: B:H.88, B:H.92, A:H.88, A:H.92 NI.6: 5 residues within 4Å: Chain A: H.88, H.92 Chain B: H.88, H.92 Ligands: NI.2 4 PLIP interactions: 2 interactions with chain B, 2 interactions with chain A Metal complexes: B:H.88, B:H.92, A:H.88, A:H.92

2 x MG: MAGNESIUM ION(Non-covalent)

MG.3: 2 residues within 4Å: Chain A: S.59 Ligands: ATP.1 1 PLIP interactions: 1 interactions with chain A Metal complexes: A:S.59 MG.7: 2 residues within 4Å: Chain B: S.59 Ligands: ATP.5 1 PLIP interactions: 1 interactions with chain B Metal complexes: B:S.59

2 x CIT: CITRIC ACID(Non-functional Binders)

CIT.4: 6 residues within 4Å: Chain A: T.93, L.117, T.118, R.119, R.173, K.174 9 PLIP interactions: 9 interactions with chain A Hydrophobic interactions: A:T.93 Hydrogen bonds: A:T.118, A:R.119, A:R.173, A:R.173, A:K.174, A:R.208 Salt bridges: A:R.119, A:R.173 CIT.8: 6 residues within 4Å: Chain B: T.93, L.117, T.118, R.119, R.173, K.174 10 PLIP interactions: 10 interactions with chain B Hydrophobic interactions: B:T.93 Hydrogen bonds: B:T.118, B:T.118, B:R.119, B:R.173, B:R.173, B:K.174, B:R.208 Salt bridges: B:R.119, B:R.173

Links

RCSB   PDBe   PDBe-KB   PDBj   PDBsum   CATH   PLIP

Citation

Grossmann, N. et al., Mechanistic determinants of the directionality and energetics of active export by a heterodimeric ABC transporter. Nat Commun (2014)

Release Date

2014-09-03

Peptides

Antigen peptide transporter 1: AB

SMTL:PDB

SMTL Chain Id:
PDB Chain Id:

A
A

B
A

Antigen peptide transporter 1