SMTL ID : 6hgg.1

Crystal structure of Alpha1-antichymotrypsin variant NewBG-III: a new binding globulin in complex with cortisol

Coordinates

PDB Format Compare

Method

X-RAY DIFFRACTION 1.79 Å

Oligo State

hetero-1-1-mer

Ligands

1 x HCY: (11alpha,14beta)-11,17,21-trihydroxypregn-4-ene-3,20-dione

HCY.1: 11 residues within 4Å: Chain A: R.33, A.36, S.37, V.40, Q.251, F.261, R.279, A.283 Chain B: V.21, H.23, W.26 12 PLIP interactions: 6 interactions with chain B, 6 interactions with chain A Hydrophobic interactions: B:V.21, B:W.26, B:W.26, B:W.26, B:W.26, A:V.40, A:F.261, A:R.279, A:A.283 Hydrogen bonds: B:W.26 Water bridges: A:Q.251, A:Q.251

5 x EDO: 1,2-ETHANEDIOL(Non-functional Binders)

EDO.2: 4 residues within 4Å: Chain A: M.276, E.280, T.281, R.284 2 PLIP interactions: 2 interactions with chain A Hydrogen bonds: A:E.280, A:R.284 EDO.3: 6 residues within 4Å: Chain A: W.203, E.204, M.205, I.237, L.252, N.253 4 PLIP interactions: 4 interactions with chain A Hydrogen bonds: A:E.204, A:M.205, A:M.205, A:N.253 EDO.4: 6 residues within 4Å: Chain A: Q.106, L.109, R.110, R.145, L.146, G.148 2 PLIP interactions: 2 interactions with chain A Hydrogen bonds: A:L.146 Water bridges: A:N.113 EDO.5: 1 residues within 4Å: Chain A: D.268 1 PLIP interactions: 1 interactions with chain A Water bridges: A:D.268 EDO.6: 5 residues within 4Å: Chain A: T.111, L.121, N.257 Chain B: D.22, F.24 1 PLIP interactions: 1 interactions with chain A Hydrogen bonds: A:N.257

Links

RCSB   PDBe   PDBe-KB   PDBj   PDBsum   CATH   PLIP

Citation

Gardill, B.R. et al., NewBG: A surrogate corticosteroid-binding globulin with an unprecedentedly high ligand release efficacy. J.Struct.Biol. (2019)

Release Date

2019-05-29

Peptides

Alpha-1-antichymotrypsin: A
Alpha-1-antichymotrypsin: B

SMTL:PDB

SMTL Chain Id:
PDB Chain Id:

A
A

B
B

Alpha-1-antichymotrypsin

Alpha-1-antichymotrypsin

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