SMTL ID : 4ms2.1

Structural basis of Ca2+ selectivity of a voltage-gated calcium channel

Coordinates

PDB Format Compare

Method

X-RAY DIFFRACTION 2.75 Å

Oligo State

homo-tetramer

Ligands

20 x PX4: 1,2-DIMYRISTOYL-SN-GLYCERO-3-PHOSPHOCHOLINE(Non-covalent)

PX4.1: 6 residues within 4Å: Chain A: P.93, W.94, F.97, F.125, S.139, I.142 Ligand excluded by PLIP PX4.5: 15 residues within 4Å: Chain A: G.44, I.45, G.48, T.51, S.52, T.54, L.127 Chain C: T.156, L.157, Y.160, T.180, L.181, G.182, F.185 Ligands: PX4.16 Ligand excluded by PLIP PX4.6: 15 residues within 4Å: Chain A: M.206, P.210, W.213, F.221 Chain B: I.152, F.159, T.180, G.182, E.183, F.185, Y.186, F.189, M.227 Ligands: PX4.12, PX4.23 Ligand excluded by PLIP PX4.7: 13 residues within 4Å: Chain A: F.162, M.165, L.169, F.170, R.173, V.208, Y.209, Y.211, A.212, V.214 Chain B: I.115, L.122, F.125 Ligand excluded by PLIP PX4.8: 6 residues within 4Å: Chain B: P.93, W.94, F.97, F.125, S.139, I.142 Ligand excluded by PLIP PX4.9: 15 residues within 4Å: Chain A: T.156, L.157, Y.160, T.180, L.181, G.182, F.185 Chain B: V.41, G.44, I.45, G.48, S.52, K.53, T.54 Ligands: PX4.17 Ligand excluded by PLIP PX4.10: 16 residues within 4Å: Chain B: M.206, P.210, W.213, I.217, F.221 Chain D: M.155, T.156, F.159, T.180, G.182, E.183, F.185, F.189, M.227 Ligands: PX4.13, PX4.15 Ligand excluded by PLIP PX4.11: 12 residues within 4Å: Chain B: F.162, L.169, F.170, R.173, V.208, Y.209, Y.211, A.212, V.214, F.215 Chain D: I.115, L.119 Ligand excluded by PLIP PX4.12: 7 residues within 4Å: Chain A: L.194, F.221, T.224, F.225 Chain B: M.192, M.227 Ligands: PX4.6 Ligand excluded by PLIP PX4.13: 6 residues within 4Å: Chain B: F.221, T.224, F.225 Chain D: M.192, M.227 Ligands: PX4.10 Ligand excluded by PLIP PX4.14: 5 residues within 4Å: Chain C: P.93, W.94, F.97, S.139, I.142 Ligand excluded by PLIP PX4.15: 13 residues within 4Å: Chain C: I.40, G.44, I.45, G.48, S.52, T.54, L.124 Chain D: T.156, Y.160, T.180, L.181, G.182 Ligands: PX4.10 Ligand excluded by PLIP PX4.16: 16 residues within 4Å: Chain C: M.155, T.156, F.159, T.180, G.182, E.183, F.185, Y.186, M.192, M.227 Chain D: M.206, W.213, I.217, F.221 Ligands: PX4.5, PX4.25 Ligand excluded by PLIP PX4.17: 18 residues within 4Å: Chain A: I.152, M.155, T.156, F.159, T.180, G.182, E.183, F.185, Y.186, F.189, M.227 Chain C: M.206, P.210, W.213, I.217, F.221 Ligands: PX4.9, PX4.19 Ligand excluded by PLIP PX4.18: 12 residues within 4Å: Chain A: I.115, L.119, F.125 Chain C: F.162, M.165, L.169, F.170, R.173, Y.209, Y.211, A.212, V.214 Ligand excluded by PLIP PX4.19: 8 residues within 4Å: Chain A: M.148, T.193, M.227 Chain C: L.194, F.221, T.224, F.225 Ligands: PX4.17 Ligand excluded by PLIP PX4.20: 5 residues within 4Å: Chain D: P.93, W.94, F.97, S.139, I.142 Ligand excluded by PLIP PX4.23: 15 residues within 4Å: Chain B: T.156, L.157, Y.160, L.181, G.182, F.185 Chain D: V.41, G.44, I.45, G.48, L.49, S.52, T.54, L.127 Ligands: PX4.6 Ligand excluded by PLIP PX4.24: 11 residues within 4Å: Chain C: I.115 Chain D: F.162, M.165, L.169, F.170, V.208, Y.209, Y.211, A.212, V.214, F.215 Ligand excluded by PLIP PX4.25: 8 residues within 4Å: Chain C: M.148, M.192, T.193, M.227 Chain D: F.221, T.224, F.225 Ligands: PX4.16 Ligand excluded by PLIP

5 x CA: CALCIUM ION(Non-functional Binders)

CA.2: 1 residues within 4Å: Ligands: CA.21 No protein-ligand interaction detected (PLIP) CA.3: 0 residues within 4Å: (No contacts) No protein-ligand interaction detected (PLIP) CA.4: 1 residues within 4Å: Ligands: CA.22 No protein-ligand interaction detected (PLIP) CA.21: 1 residues within 4Å: Ligands: CA.2 No protein-ligand interaction detected (PLIP) CA.22: 1 residues within 4Å: Ligands: CA.4 No protein-ligand interaction detected (PLIP)

Links

RCSB   PDBe   PDBe-KB   PDBj   PDBsum   CATH   PLIP

Citation

Tang, L. et al., Structural basis for Ca2+ selectivity of a voltage-gated calcium channel. Nature (2014)

Release Date

2013-11-27

Peptides

Ion transport protein: ABCD

SMTL:PDB

SMTL Chain Id:
PDB Chain Id:

A
A

B
B

C
C

D
D

Membrane

We predict this structure to be a membrane protein.
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Ion transport protein

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