SMTL ID : 2ixf.1 (1 other biounit)

Crystal structure of the ATPase domain of TAP1 with ATP (D645Q, Q678H mutant)

Coordinates

PDB Format Compare

Method

X-RAY DIFFRACTION 2.00 Å

Oligo State

homo-dimer

Ligands

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

ATP.1: 22 residues within 4Å: Chain A: Y.26, H.29, V.34, P.53, N.54, G.55, S.56, G.57, K.58, S.59, T.60, Q.182, H.215 Chain B: G.154, N.155, Q.156, L.157, S.158, G.159, G.160, Q.161 Ligands: MG.2 30 PLIP interactions: 21 interactions with chain A, 9 interactions with chain B Hydrogen bonds: A:N.54, A:G.55, A:G.55, A:S.56, A:G.57, A:K.58, A:S.59, A:S.59, A:T.60, A:Q.182, B:G.154, B:S.158, B:S.158, B:G.159, B:G.160, B:Q.161, B:Q.161, B:Q.161 Water bridges: A:Y.26, A:S.59, A:S.59, A:S.59, A:S.59, A:H.215, B:A.186 Salt bridges: A:K.58, A:K.58, A:H.215 pi-Stacking: A:Y.26, A:Y.26 ATP.4: 21 residues within 4Å: Chain A: G.154, N.155, L.157, S.158, G.159, G.160, Q.161 Chain B: Y.26, H.29, V.34, P.53, N.54, G.55, S.56, G.57, K.58, S.59, T.60, Q.182, H.215 Ligands: MG.5 30 PLIP interactions: 20 interactions with chain B, 10 interactions with chain A Hydrogen bonds: B:N.54, B:G.55, B:S.56, B:G.57, B:K.58, B:S.59, B:T.60, B:Q.182, A:G.154, A:S.158, A:S.158, A:G.159, A:G.160, A:Q.161, A:Q.161, A:Q.161 Water bridges: B:Y.26, B:G.55, B:S.59, B:S.59, B:S.59, B:S.59, B:H.215, A:N.155, A:A.186 Salt bridges: B:K.58, B:K.58, B:H.215 pi-Stacking: B:Y.26, B:Y.26

2 x MG: MAGNESIUM ION(Non-covalent)

MG.2: 3 residues within 4Å: Chain A: S.59, Q.182 Ligands: ATP.1 4 PLIP interactions: 1 interactions with chain A, 3 Ligand-Water interactions Metal complexes: A:S.59, H2O.1, H2O.3, H2O.7 MG.5: 3 residues within 4Å: Chain B: S.59, Q.182 Ligands: ATP.4 4 PLIP interactions: 1 interactions with chain B, 3 Ligand-Water interactions Metal complexes: B:S.59, H2O.10, H2O.16, H2O.17

3 x GOL: GLYCEROL(Non-functional Binders)

GOL.3: 6 residues within 4Å: Chain A: R.110, E.111, A.114, T.120, P.121, I.126 2 PLIP interactions: 2 interactions with chain A Hydrogen bonds: A:R.110, A:P.121 GOL.6: 6 residues within 4Å: Chain B: R.110, E.111, A.114, T.120, P.121, I.126 3 PLIP interactions: 3 interactions with chain B Hydrogen bonds: B:R.110, B:P.121 Water bridges: B:R.119 GOL.7: 7 residues within 4Å: Chain A: G.99, Q.100, E.101, G.159, R.162, Q.163, A.166 5 PLIP interactions: 5 interactions with chain A Hydrogen bonds: A:G.159, A:R.162, A:R.162, A:Q.163 Water bridges: A:E.101

Links

RCSB   PDBe   PDBe-KB   PDBj   PDBsum   CATH   PLIP

Citation

Procko, E. et al., Distinct Structural and Functional Properties of the ATPase Sites in an Asymmetric Abc Transporter. Mol.Cell (2001)

Release Date

2006-10-11

Peptides

ANTIGEN PEPTIDE TRANSPORTER 1: AB

SMTL:PDB

SMTL Chain Id:
PDB Chain Id:

A
A

B
B

ANTIGEN PEPTIDE TRANSPORTER 1

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