1VWG
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1VWR
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1VYO
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1VWK
| STREPTAVIDIN-CYCLO-[5-S-VALERAMIDE-HPQGPPC]K-NH2 | Descriptor: | PENTANOIC ACID, PEPTIDE LIGAND CONTAINING HPQ, STREPTAVIDIN | Authors: | Katz, B.A, Cass, R.T. | Deposit date: | 1997-03-03 | Release date: | 1998-03-18 | Last modified: | 2011-11-16 | Method: | X-RAY DIFFRACTION (1.45 Å) | Cite: | In crystals of complexes of streptavidin with peptide ligands containing the HPQ sequence the pKa of the peptide histidine is less than 3.0. J.Biol.Chem., 272, 1997
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