1VWG
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1VWR
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1VWE
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![BU of 1vwe by Molmil](/molmil-images/mine/1vwe) | STREPTAVIDIN-CYCLO-AC-[CHPQFC]-NH2, PH 3.6 | Descriptor: | PEPTIDE LIGAND CONTAINING HPQ, STREPTAVIDIN | Authors: | Katz, B.A, Cass, R.T. | Deposit date: | 1997-03-03 | Release date: | 1998-03-18 | Last modified: | 2024-06-05 | Method: | X-RAY DIFFRACTION (1.5 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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1VWM
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![BU of 1vwm by Molmil](/molmil-images/mine/1vwm) | STREPTAVIDIN-CYCLO-AC-[CHPQFC]-NH2, PH 4.2 | Descriptor: | PEPTIDE LIGAND CONTAINING HPQ, STREPTAVIDIN | Authors: | Katz, B.A, Cass, R.T. | Deposit date: | 1997-03-03 | Release date: | 1998-03-18 | Last modified: | 2024-06-05 | Method: | X-RAY DIFFRACTION (1.6 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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1VWK
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![BU of 1vwk by Molmil](/molmil-images/mine/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: | 2024-06-05 | 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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1VWL
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1VWI
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1VWQ
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1VWO
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1VWC
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![BU of 1vwc by Molmil](/molmil-images/mine/1vwc) | STREPTAVIDIN-CYCLO-AC-[CHPQFC]-NH2, PH 2.0 | Descriptor: | PEPTIDE LIGAND CONTAINING HPQ, STREPTAVIDIN | Authors: | Katz, B.A, Cass, R.T. | Deposit date: | 1997-03-03 | Release date: | 1998-03-18 | Last modified: | 2011-07-13 | Method: | X-RAY DIFFRACTION (1.86 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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1VWF
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1VWN
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![BU of 1vwn by Molmil](/molmil-images/mine/1vwn) | STREPTAVIDIN-CYCLO-AC-[CHPQFC]-NH2, PH 4.8 | Descriptor: | PEPTIDE LIGAND CONTAINING HPQ, STREPTAVIDIN | Authors: | Katz, B.A, Cass, R.T. | Deposit date: | 1997-03-03 | Release date: | 1998-03-18 | Last modified: | 2024-06-05 | Method: | X-RAY DIFFRACTION (1.85 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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1VWJ
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1VWD
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![BU of 1vwd by Molmil](/molmil-images/mine/1vwd) | STREPTAVIDIN-CYCLO-AC-[CHPQFC]-NH2, PH 3.0 | Descriptor: | 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 (1.87 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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1VWP
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1VWB
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![BU of 1vwb by Molmil](/molmil-images/mine/1vwb) | STREPTAVIDIN-CYCLO-AC-[CHPQFC]-NH2, PH 11.8 | Descriptor: | PEPTIDE LIGAND CONTAINING HPQ, STREPTAVIDIN | Authors: | Katz, B.A, Cass, R.T. | Deposit date: | 1997-03-03 | Release date: | 1998-03-18 | Last modified: | 2011-07-13 | Method: | X-RAY DIFFRACTION (1.82 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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1VWA
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![BU of 1vwa by Molmil](/molmil-images/mine/1vwa) | STREPTAVIDIN-FSHPQNT | Descriptor: | PEPTIDE LIGAND CONTAINING HPQ, STREPTAVIDIN | Authors: | Katz, B.A, Cass, R.T. | Deposit date: | 1997-03-03 | Release date: | 1998-03-18 | Last modified: | 2024-02-14 | Method: | X-RAY DIFFRACTION (1.85 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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1VWH
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1STS
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![BU of 1sts by Molmil](/molmil-images/mine/1sts) | STREPTAVIDIN DIMERIZED BY DISULFIDE-BONDED PEPTIDE FCHPQNT-NH2 DIMER | Descriptor: | FCHPQNT-NH2, STREPTAVIDIN | Authors: | Katz, B.A, Cass, R.T, Liu, B, Arze, R, Collins, N. | Deposit date: | 1995-09-12 | Release date: | 1996-03-08 | Last modified: | 2024-06-05 | Method: | X-RAY DIFFRACTION (1.95 Å) | Cite: | Topochemical catalysis achieved by structure-based ligand design. J.Biol.Chem., 270, 1995
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1STR
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![BU of 1str by Molmil](/molmil-images/mine/1str) | STREPTAVIDIN DIMERIZED BY DISULFIDE-BONDED PEPTIDE AC-CHPQNT-NH2 DIMER | Descriptor: | AC-CHPQNT-NH2, STREPTAVIDIN | Authors: | Katz, B.A, Cass, R.T, Liu, B, Arze, R, Collins, N. | Deposit date: | 1995-09-12 | Release date: | 1996-03-08 | Last modified: | 2024-06-05 | Method: | X-RAY DIFFRACTION (1.8 Å) | Cite: | Topochemical catalysis achieved by structure-based ligand design. J.Biol.Chem., 270, 1995
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2IZG
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![BU of 2izg by Molmil](/molmil-images/mine/2izg) | STREPTAVIDIN-BIOTIN PH 2.0 I222 COMPLEX | Descriptor: | BIOTIN, STREPTAVIDIN, SULFATE ION | Authors: | Katz, B.A. | Deposit date: | 1997-08-13 | Release date: | 1998-09-16 | Last modified: | 2024-02-21 | Method: | X-RAY DIFFRACTION (1.36 Å) | Cite: | Binding of biotin to streptavidin stabilizes intersubunit salt bridges between Asp61 and His87 at low pH. J.Mol.Biol., 274, 1997
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2IZA
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![BU of 2iza by Molmil](/molmil-images/mine/2iza) | APOSTREPTAVIDIN PH 2.00 I4122 STRUCTURE | Descriptor: | FORMIC ACID, STREPTAVIDIN | Authors: | Katz, B.A. | Deposit date: | 1997-08-13 | Release date: | 1998-09-16 | Last modified: | 2024-02-21 | Method: | X-RAY DIFFRACTION (1.46 Å) | Cite: | Binding of biotin to streptavidin stabilizes intersubunit salt bridges between Asp61 and His87 at low pH. J.Mol.Biol., 274, 1997
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2IZE
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![BU of 2ize by Molmil](/molmil-images/mine/2ize) | APOSTREPTAVIDIN PH 3.08 I222 COMPLEX | Descriptor: | AMMONIUM ION, CHLORIDE ION, FORMIC ACID, ... | Authors: | Katz, B.A. | Deposit date: | 1997-08-13 | Release date: | 1998-09-16 | Last modified: | 2024-02-21 | Method: | X-RAY DIFFRACTION (1.57 Å) | Cite: | Binding of biotin to streptavidin stabilizes intersubunit salt bridges between Asp61 and His87 at low pH. J.Mol.Biol., 274, 1997
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2IZJ
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![BU of 2izj by Molmil](/molmil-images/mine/2izj) | STREPTAVIDIN-BIOTIN PH 3.50 I4122 STRUCTURE | Descriptor: | BIOTIN, STREPTAVIDIN | Authors: | Katz, B.A. | Deposit date: | 1997-08-13 | Release date: | 1998-09-16 | Last modified: | 2024-02-21 | Method: | X-RAY DIFFRACTION (1.3 Å) | Cite: | Binding of biotin to streptavidin stabilizes intersubunit salt bridges between Asp61 and His87 at low pH. J.Mol.Biol., 274, 1997
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2IZD
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![BU of 2izd by Molmil](/molmil-images/mine/2izd) | APOSTREPTAVIDIN pH 3.0 I222 COMPLEX | Descriptor: | AMMONIUM ION, CHLORIDE ION, IODIDE ION, ... | Authors: | Katz, B.A. | Deposit date: | 1997-08-13 | Release date: | 1998-09-23 | Last modified: | 2024-02-21 | Method: | X-RAY DIFFRACTION (1.6 Å) | Cite: | Binding of biotin to streptavidin stabilizes intersubunit salt bridges between Asp61 and His87 at low pH. J.Mol.Biol., 274, 1997
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