3HIW

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

Summary for 3HIW

• Entry DOI: 10.2210/pdb3hiw/pdb
• Related: 3HIO 3HIQ 3HIS 3HIT 3HIV
• Descriptor: Vacuolar saporin, 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) (3 entities in total)
• Functional Keywords: transition state, ribosome inactivating proteins, rips, hydrolase, plant defense, protein synthesis inhibitor, toxin, hydrolase-hydrolase inhibitor complex, hydrolase/hydrolase inhibitor
• Biological source: Saponaria officinalis (Common soapwort)
• Total number of polymer chains: 2
• Total formula weight: 60731.76

Authors

Ho, M.,Sturm, M.B.,Almo, S.C.,Schramm, V.L. (deposition date: 2009-05-20, release date: 2009-12-08, Last modification date: 2024-02-21)

• Primary citation: Ho, M.C.,Sturm, M.B.,Almo, S.C.,Schramm, V.L.; Transition state analogues in structures of ricin and saporin ribosome-inactivating proteins.; Proc.Natl.Acad.Sci.USA, 106:20276-20281, 2009; PubMed: 19920175; DOI: 10.1073/pnas.0911606106

Experimental method

X-RAY DIFFRACTION (1.8 Å)