SMTL ID : 3hiw.2 (1 other biounit)

Crystal structure of Saporin-L1 in complex with the cyclic tetranucleotide inhibitor, a transition state analogue

Coordinates

PDB Format Compare

Method

X-RAY DIFFRACTION 1.80 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: 21 residues within 4Å: Chain A: N.71, L.72, Y.73, V.74, F.91, F.94, E.121, S.122, Y.123, P.124, V.169, E.174, R.177, E.206, N.207, N.208, W.209, G.210, R.214, Y.233, L.254 26 PLIP interactions: 26 interactions with chain A Hydrophobic interactions: A:Y.123 Hydrogen bonds: A:N.71, A:Y.73, A:V.74, A:E.121, A:E.121, A:E.121, A:Y.123, A:R.177, A:R.177, A:N.207, A:W.209, A:G.210, A:Y.233, A:Y.233 Water bridges: A:N.71, A:N.71, A:L.211, A:R.214 Salt bridges: A:E.121, A:E.174, A:R.214 pi-Stacking: A:Y.73, A:Y.73, A:Y.73 pi-Cation interactions: A:Y.73

Links

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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

Vacuolar saporin: A

SMTL:PDB

SMTL Chain Id:
PDB Chain Id:

A
B

Vacuolar saporin

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