SMTL ID : 6cvl.1

Crystal structure of the Escherichia coli ATPgS-bound MetNI methionine ABC transporter in complex with its MetQ binding protein

Coordinates

PDB Format

Method

X-RAY DIFFRACTION 2.95 Å

Oligo State

hetero-2-2-1-mer

Ligands

3 x HG: MERCURY (II) ION(Non-covalent)

HG.1: 1 residues within 4Å: Chain A: H.1 No protein-ligand interaction detected (PLIP) HG.2: 5 residues within 4Å: Chain A: C.165, A.168, T.169, L.184, L.197 No protein-ligand interaction detected (PLIP) HG.4: 7 residues within 4Å: Chain D: C.165, A.168, T.169, L.181, L.197, V.204 Ligands: IOD.6 No protein-ligand interaction detected (PLIP)

2 x AGS: PHOSPHOTHIOPHOSPHORIC ACID-ADENYLATE ESTER(Non-covalent)

AGS.3: 21 residues within 4Å: Chain A: F.12, Q.14, I.19, A.21, A.40, S.41, G.42, A.43, G.44, K.45, S.46, T.47, E.56, H.200 Chain D: K.134, N.141, L.142, S.143, G.144, G.145, Q.146 23 PLIP interactions: 6 interactions with chain D, 17 interactions with chain A Hydrogen bonds: D:N.141, D:S.143, D:S.143, D:G.145, D:Q.146, D:Q.146, A:Q.14, A:G.42, A:G.42, A:A.43, A:G.44, A:K.45, A:K.45, A:S.46, A:S.46, A:S.46, A:T.47, A:T.47, A:E.56, A:H.200 Salt bridges: A:K.45 pi-Stacking: A:F.12, A:F.12 AGS.7: 23 residues within 4Å: Chain A: K.134, S.140, N.141, L.142, S.143, G.144, G.145, Q.146, A.171 Chain D: F.12, Q.14, I.19, A.21, S.41, G.42, A.43, G.44, K.45, S.46, T.47, Q.90, Q.167, H.200 18 PLIP interactions: 13 interactions with chain D, 5 interactions with chain A Hydrogen bonds: D:Q.14, D:S.41, D:G.42, D:A.43, D:G.44, D:K.45, D:S.46, D:S.46, D:T.47, D:T.47, A:S.143, A:G.144, A:G.145, A:Q.146, A:Q.146 Salt bridges: D:K.45 pi-Stacking: D:F.12, D:F.12

2 x IOD: IODIDE ION(Non-functional Binders)

IOD.5: 4 residues within 4Å: Chain D: Q.167, T.169, T.199, V.204 Ligand excluded by PLIP IOD.6: 5 residues within 4Å: Chain D: C.165, A.168, L.181, L.184 Ligands: HG.4 Ligand excluded by PLIP

Links

RCSB   PDBe   PDBe-KB   PDBj   PDBsum   CATH   PLIP

Citation

Nguyen, P.T. et al., Noncanonical role for the binding protein in substrate uptake by the MetNI methionine ATP Binding Cassette (ABC) transporter. Proc. Natl. Acad. Sci. U.S.A. (2018)

Release Date

2018-11-14

Peptides

MetN nucleotide-binding subunit: AD
MetI transmembrane subunit: BC
MetQ periplasmic binding protein: E

SMTL:PDB

SMTL Chain Id:
PDB Chain Id:

A
C

D
D

B
A

C
B

E
E

Membrane

We predict this structure to be a membrane protein.
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MetN nucleotide-binding subunit

MetI transmembrane subunit

MetQ periplasmic binding protein