SMTL ID : 3hio.1

Crystal structure of Ricin A-chain in complex with the cyclic tetranucleotide inhibitor, a transition state analogue

Coordinates

PDB Format

Method

X-RAY DIFFRACTION 2.00 Å

Oligo State

monomer

Ligands

1 x C2X: 9,9'-{(2R,3R,3aR,5S,7aR,9R,10R,10aR,12S,23R,25aR,27R,28R,28aR,30S,32aR,35aR,37S,39aR)-9-(6-amino-9H-purin-9-yl)-34-[(4-amino-5H-pyrrolo[3,2-d]pyrimidin-7-yl)methyl]-5,12,23,30,37-pentahydroxy-3,10,28-trimethoxy-5,12,23,30,37-pentaoxidotetracosahydro-2H,7H,25H-trifuro[3,2-f:3',2'-l:3'',2''-x]pyrrolo[3,4-r][1,3,5,9,11,15,17,21,23,27,29,2,4,10,16,22,28]undecaoxazapentaphosphacyclopentatriacontine-2,27-diyl}bis(2-amino-3,9-dihydro-6H-purin-6-one)(Non-covalent)

C2X.1: 22 residues within 4Å: Chain A: D.76, N.79, A.80, Y.81, V.82, V.83, P.96, D.97, D.101, G.122, N.123, Y.124, D.125, I.173, S.177, E.178, R.181, N.210, W.212, G.213, R.214, R.259 28 PLIP interactions: 28 interactions with chain A Hydrophobic interactions: A:Y.124, A:I.173 Hydrogen bonds: A:N.79, A:N.79, A:N.79, A:V.82, A:D.97, A:D.97, A:D.97, A:G.122, A:G.122, A:R.181, A:R.181, A:W.212, A:G.213, A:R.214 Water bridges: A:R.214, A:R.214 Salt bridges: A:D.76, A:D.97, A:D.101, A:E.178, A:R.214, A:R.259, A:R.259 pi-Stacking: A:Y.81, A:Y.81, A:Y.81

1 x SO4: SULFATE ION(Non-functional Binders)

SO4.2: 2 residues within 4Å: Chain A: T.18, Q.20 2 PLIP interactions: 2 interactions with chain A Hydrogen bonds: A:T.18, A:T.18

Links

RCSB   PDBe   PDBe-KB   PDBj   PDBsum   CATH   PLIP

Citation

Ho, M.C. et al., Transition state analogues in structures of ricin and saporin ribosome-inactivating proteins. Proc.Natl.Acad.Sci.USA (2009)

Release Date

2009-12-08

Peptides

Ricin: A

SMTL:PDB

SMTL Chain Id:
PDB Chain Id:

A
A

Ricin

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