SMTL ID : 4yia.1

Structural mechanism of hormone release in thyroxine binding globulin

Coordinates

PDB Format Compare

Method

X-RAY DIFFRACTION 1.58 Å

Oligo State

hetero-1-1-mer

Ligands

2 x CA: CALCIUM ION(Non-covalent)

CA.1: 3 residues within 4Å: Chain A: N.212, Q.240, E.242 2 PLIP interactions: 1 interactions with chain A, 1 Ligand-Water interactions Metal complexes: A:E.242, H2O.1 CA.6: 6 residues within 4Å: Chain A: N.46, A.47 Chain B: S.21, I.22 Ligands: CL.4, CL.7 No protein-ligand interaction detected (PLIP)

2 x NA: SODIUM ION(Non-functional Binders)

NA.2: 3 residues within 4Å: Chain A: K.141, T.339, D.341 3 PLIP interactions: 3 interactions with chain A Hydrogen bonds: A:K.141, A:D.341, A:D.341 NA.3: 1 residues within 4Å: Chain A: S.160 1 PLIP interactions: 1 interactions with chain A Hydrogen bonds: A:S.160

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

CL.4: 7 residues within 4Å: Chain A: S.43, A.47 Chain B: R.20, S.21, I.22 Ligands: IMN.5, CA.6 Ligand excluded by PLIP CL.7: 4 residues within 4Å: Chain A: N.46, V.71 Chain B: I.22 Ligands: CA.6 Ligand excluded by PLIP

1 x IMN: INDOMETHACIN(Non-covalent)

IMN.5: 16 residues within 4Å: Chain A: S.43, S.44, Q.258, L.266, L.268, S.286, L.289, W.292, N.293, L.296 Chain B: L.15, E.16, R.17, R.20, S.21 Ligands: CL.4 10 PLIP interactions: 5 interactions with chain B, 5 interactions with chain A Hydrophobic interactions: B:L.15, A:L.266, A:L.268, A:L.289 Hydrogen bonds: B:R.17 Water bridges: B:R.20, A:Q.258 Salt bridges: B:R.20 pi-Cation interactions: B:R.20 Halogen bonds: A:S.44

Links

RCSB   PDBe   PDBe-KB   PDBj   PDBsum   CATH   PLIP

Citation

Zheng, Y., Structural mechanism of hormone release in thyroxine Binding globulin. To Be Published

Release Date

2016-03-02

Peptides

Thyroxine-binding globulin: A
Thyroxine-binding globulin: B

SMTL:PDB

SMTL Chain Id:
PDB Chain Id:

A
A

B
B

Thyroxine-binding globulin

Thyroxine-binding globulin