SMTL ID : 4pyw.1

1.92 angstrom crystal structure of A1AT:TTAI ternary complex

Coordinates

PDB Format

Method

X-RAY DIFFRACTION 1.91 Å

Oligo State

monomer

Ligands

2 x ACE- THR- THR- ALA- ILE- NH2: ACE-THR-THR-ALA-ILE-NH2(Non-covalent)

ACE-THR-THR-ALA-ILE-NH2.1: 21 residues within 4Å: Chain A: T.175, I.179, I.198, F.199, F.200, K.201, G.202, W.204, Y.254, A.346, V.347, L.348, T.349, I.350, D.351, K.353, G.354, M.384, F.394 Ligands: ACE-THR-THR-ALA-ILE-NH2.2, ACE-THR-THR-ALA-ILE-NH2.2 2 PLIP interactions: 1 interactions with chain A, 1 Ligand-Ligand interactions Hydrogen bonds: A:D.351, A:D.351, A:I.198, T.0 ACE-THR-THR-ALA-ILE-NH2.2: 19 residues within 4Å: Chain A: S.66, I.67, A.70, F.71, I.179, L.182, V.183, A.193, L.194, V.195, N.196, Y.197, I.198, K.341, A.342, V.343, H.344, K.345 Ligands: ACE-THR-THR-ALA-ILE-NH2.1 2 PLIP interactions: 2 interactions with chain A Hydrophobic interactions: A:I.198 Hydrogen bonds: A:S.66, A:L.194, A:L.194

2 x GOL: GLYCEROL(Non-functional Binders)

GOL.3: 8 residues within 4Å: Chain A: W.204, E.205, R.206, M.236, F.237, M.252, K.253, R.291 6 PLIP interactions: 6 interactions with chain A Hydrogen bonds: A:R.206, A:M.236, A:K.253, A:R.291 Water bridges: A:L.251, A:L.251 GOL.4: 9 residues within 4Å: Chain A: T.37, A.41, F.45, H.279, I.282, I.385, K.390, S.391, P.392 1 PLIP interactions: 1 interactions with chain A Hydrogen bonds: A:H.279

Links

RCSB   PDBe   PDBj   PDBsum   CATH   PLIP

Citation

Nyon, M.P. et al., An integrative approach combining ion mobility mass spectrometry, X-ray crystallography and NMR spectroscopy to study the conformational dynamics of alpha 1 -antitrypsin upon ligand binding. Protein Sci. (2015)

Peptides

Alpha-1-antitrypsin: A

SMTL:PDB

SMTL Chain Id:
PDB Chain Id:

A
A

Alpha-1-antitrypsin