SMTL ID : 4zir.1

Crystal structure of EcfAA' heterodimer bound to AMPPNP

Coordinates

PDB Format

Method

X-RAY DIFFRACTION 3.00 Å

Oligo State

hetero-1-1-mer

Ligands

2 x MG: MAGNESIUM ION(Non-covalent)

MG.1: 4 residues within 4Å: Chain A: S.48, Q.86, D.164 Ligands: ANP.4 2 PLIP interactions: 1 interactions with chain A, 1 Ligand-Water interactions Metal complexes: A:S.48, H2O.1 MG.5: 4 residues within 4Å: Chain B: T.51, Q.88, D.165 Ligands: ANP.7 3 PLIP interactions: 1 interactions with chain B, 2 Ligand-Water interactions Metal complexes: B:T.51, H2O.1, H2O.1

3 x CL: CHLORIDE ION(Non-functional Binders)

CL.2: 2 residues within 4Å: Chain A: R.135, V.136 Ligand excluded by PLIP CL.3: 4 residues within 4Å: Chain A: R.172 Chain B: E.235, I.236, K.241 Ligand excluded by PLIP CL.6: 2 residues within 4Å: Chain B: A.32, E.33 Ligand excluded by PLIP

2 x ANP: PHOSPHOAMINOPHOSPHONIC ACID-ADENYLATE ESTER(Non-covalent)

ANP.4: 18 residues within 4Å: Chain A: F.13, H.14, K.21, A.23, T.43, G.44, S.45, G.46, K.47, S.48, T.49, Q.86 Chain B: N.140, L.141, S.142, G.143, G.144 Ligands: MG.1 16 PLIP interactions: 10 interactions with chain A, 6 interactions with chain B Hydrogen bonds: A:G.46, A:K.47, A:K.47, A:K.47, A:K.47, A:S.48, A:T.49, A:Q.86, B:S.142, B:S.142, B:G.144, B:Q.145 pi-Stacking: A:F.13, A:F.13 Water bridges: B:G.143, B:G.143 ANP.7: 21 residues within 4Å: Chain A: R.135, F.139, L.140, S.141, G.142, G.143, E.144, G.169 Chain B: Y.21, V.26, N.46, G.47, S.48, G.49, K.50, T.51, T.52, Q.88, E.166, H.198 Ligands: MG.5 22 PLIP interactions: 15 interactions with chain B, 7 interactions with chain A Hydrogen bonds: B:N.46, B:G.47, B:S.48, B:G.49, B:K.50, B:K.50, B:K.50, B:K.50, B:T.51, B:T.51, B:T.52, B:E.166, A:R.135, A:R.135, A:S.141, A:G.142, A:G.143, A:E.144, A:G.169 Water bridges: B:Y.21 pi-Stacking: B:Y.21, B:Y.21

Links

RCSB   PDBe   PDBe-KB   PDBj   PDBsum   CATH   PLIP

Citation

Karpowich, N.K. et al., ATP binding drives substrate capture in an ECF transporter by a release-and-catch mechanism. Nat.Struct.Mol.Biol. (2015)

Release Date

2015-06-10

Peptides

Energy-coupling factor transporter ATP-binding protein EcfA2: A
Energy-coupling factor transporter ATP-binding protein EcfA1: B

SMTL:PDB

SMTL Chain Id:
PDB Chain Id:

A
A

B
B

Energy-coupling factor transporter ATP-binding protein EcfA2

Energy-coupling factor transporter ATP-binding protein EcfA1

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