1JZ7
 
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1JZ8
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1JYW
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1PX4
 | | E. COLI (LACZ) BETA-GALACTOSIDASE (G794A) WITH IPTG BOUND | | Descriptor: | 1-methylethyl 1-thio-beta-D-galactopyranoside, DIMETHYL SULFOXIDE, MAGNESIUM ION, ... | | Authors: | Juers, D.H, Hakda, S, Matthews, B.W, Huber, R.E. | | Deposit date: | 2003-07-02 | | Release date: | 2004-06-15 | | Last modified: | 2023-08-16 | | Method: | X-RAY DIFFRACTION (1.6 Å) | | Cite: | Structural Basis for the Altered Activity of Gly794 Variants of Escherichia coli Beta-Galactosidase
Biochemistry, 42, 2003
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1PX3
 | | E. COLI (LACZ) BETA-GALACTOSIDASE (G794A) | | Descriptor: | DIMETHYL SULFOXIDE, MAGNESIUM ION, SODIUM ION, ... | | Authors: | Juers, D.H, Hakda, S, Matthews, B.W, Huber, R.E. | | Deposit date: | 2003-07-02 | | Release date: | 2004-06-15 | | Last modified: | 2023-08-16 | | Method: | X-RAY DIFFRACTION (1.6 Å) | | Cite: | Structural Basis for the Altered Activity of Gly794 Variants of Escherichia coli Beta-Galactosidase
Biochemistry, 42, 2003
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4TTG
 | | Beta-galactosidase (E. coli) in the presence of potassium chloride. | | Descriptor: | Beta-galactosidase, CHLORIDE ION, DIMETHYL SULFOXIDE, ... | | Authors: | Juers, D.H. | | Deposit date: | 2014-06-20 | | Release date: | 2015-03-25 | | Last modified: | 2023-09-27 | | Method: | X-RAY DIFFRACTION (1.6 Å) | | Cite: | Elucidating factors important for monovalent cation selectivity in enzymes: E. coli beta-galactosidase as a model.
Phys Chem Chem Phys, 17, 2015
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1DP0
 | | E. COLI BETA-GALACTOSIDASE AT 1.7 ANGSTROM | | Descriptor: | BETA-GALACTOSIDASE, DIMETHYL SULFOXIDE, MAGNESIUM ION, ... | | Authors: | Juers, D.H, Jacobson, R.H, Wigley, D, Zhang, X.J, Huber, R.E, Tronrud, D.E, Matthews, B.W. | | Deposit date: | 1999-12-22 | | Release date: | 2001-02-21 | | Last modified: | 2024-02-07 | | Method: | X-RAY DIFFRACTION (1.7 Å) | | Cite: | High resolution refinement of beta-galactosidase in a new crystal form reveals multiple metal-binding sites and provides a structural basis for alpha-complementation.
Protein Sci., 9, 2000
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3DYP
 | | E. coli (lacZ) beta-galactosidase (H418N) | | Descriptor: | Beta-galactosidase, DIMETHYL SULFOXIDE, MAGNESIUM ION, ... | | Authors: | Juers, D.H, Huber, R.E, Matthews, B.W. | | Deposit date: | 2008-07-28 | | Release date: | 2008-10-28 | | Last modified: | 2023-08-30 | | Method: | X-RAY DIFFRACTION (1.75 Å) | | Cite: | Direct and indirect roles of His-418 in metal binding and in the activity of beta-galactosidase (E. coli).
Protein Sci., 18, 2009
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1JZ3
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3T09
 | | E. coli (LacZ) beta-galactosidase (S796A) galactonolactone complex | | Descriptor: | Beta-galactosidase, D-galactonolactone, DIMETHYL SULFOXIDE, ... | | Authors: | Jancewicz, L.J, Wheatley, R.W, Sutendra, G, Lee, M, Fraser, M, Huber, R.E. | | Deposit date: | 2011-07-19 | | Release date: | 2012-01-18 | | Last modified: | 2024-02-28 | | Method: | X-RAY DIFFRACTION (1.75 Å) | | Cite: | Ser-796 of Beta-Galactosidase (E. coli) Plays a Key Role in Maintaining an Optimum Balance between the Opened and Closed Conformations of the Catalytically Important Active Site Loop
Arch.Biochem.Biophys., 517, 2012
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1JYX
 | | E. COLI (lacZ) BETA-GALACTOSIDASE IN COMPLEX WITH IPTG | | Descriptor: | 1-methylethyl 1-thio-beta-D-galactopyranoside, Beta-Galactosidase, DIMETHYL SULFOXIDE, ... | | Authors: | Juers, D.H, Matthews, B.W. | | Deposit date: | 2001-09-13 | | Release date: | 2001-12-07 | | Last modified: | 2023-08-16 | | Method: | X-RAY DIFFRACTION (1.75 Å) | | Cite: | A Structural View of the Action of Escherichia Coli (Lacz) Beta-Galactosidase
Biochemistry, 40, 2001
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1JYV
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1JZ5
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1JYN
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3DYO
 | | E. coli (lacZ) beta-galactosidase (H418N) in complex with IPTG | | Descriptor: | 1-methylethyl 1-thio-beta-D-galactopyranoside, Beta-galactosidase, DIMETHYL SULFOXIDE, ... | | Authors: | Juers, D.H, Huber, R.E, Matthews, B.W. | | Deposit date: | 2008-07-28 | | Release date: | 2008-10-28 | | Last modified: | 2023-08-30 | | Method: | X-RAY DIFFRACTION (1.8 Å) | | Cite: | Direct and indirect roles of His-418 in metal binding and in the activity of beta-galactosidase (E. coli).
Protein Sci., 18, 2009
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6X1Q
 | | 1.8 Angstrom resolution structure of b-galactosidase with a 200 kV cryoARM electron microscope | | Descriptor: | Beta-galactosidase, MAGNESIUM ION, SODIUM ION | | Authors: | Merk, A, Fukumura, T, Zhu, X, Darling, J, Grisshammer, R, Ognjenovic, J, Subramaniam, S. | | Deposit date: | 2020-05-19 | | Release date: | 2020-07-01 | | Last modified: | 2024-03-06 | | Method: | ELECTRON MICROSCOPY (1.8 Å) | | Cite: | 1.8 angstrom resolution structure of beta-galactosidase with a 200 kV CRYO ARM electron microscope.
Iucrj, 7, 2020
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3T2O
 | | E. coli (lacZ) beta-galactosidase (S796D) | | Descriptor: | Beta-galactosidase, DIMETHYL SULFOXIDE, MAGNESIUM ION, ... | | Authors: | Jancewicz, L.J, Wheatley, R.W, Sutendra, G, Lee, M, Fraser, M, Huber, R.E. | | Deposit date: | 2011-07-22 | | Release date: | 2012-01-18 | | Last modified: | 2024-02-28 | | Method: | X-RAY DIFFRACTION (1.85 Å) | | Cite: | Ser-796 of Beta-Galactosidase (E. coli) Plays a Key Role in Maintaining an Optimum Balance between the Opened and Closed Conformations of the Catalytically Important Active Site Loop
Arch.Biochem.Biophys., 517, 2012
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3T0A
 | | E. coli (LacZ) beta-galactosidase (S796T) | | Descriptor: | Beta-galactosidase, DIMETHYL SULFOXIDE, MAGNESIUM ION, ... | | Authors: | Jancewicz, L.J, Wheatley, R.W, Sutendra, G, Lee, M, Fraser, M, Huber, R.E. | | Deposit date: | 2011-07-19 | | Release date: | 2012-01-18 | | Last modified: | 2024-02-28 | | Method: | X-RAY DIFFRACTION (1.9 Å) | | Cite: | Ser-796 of Beta-Galactosidase (E. coli) Plays a Key Role in Maintaining an Optimum Balance between the Opened and Closed Conformations of the Catalytically Important Active Site Loop
Arch.Biochem.Biophys., 517, 2012
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3MUZ
 | | E.Coli (lacZ) beta-galactosidase (R599A) in complex with IPTG | | Descriptor: | 1-methylethyl 1-thio-beta-D-galactopyranoside, Beta-galactosidase, DIMETHYL SULFOXIDE, ... | | Authors: | Dugdale, M.L, Vance, M.L, Driedger, M.R, Nibber, A, Tran, A, Huber, R.E. | | Deposit date: | 2010-05-03 | | Release date: | 2011-03-16 | | Last modified: | 2023-09-06 | | Method: | X-RAY DIFFRACTION (1.9 Å) | | Cite: | Importance of Arg-599 of b-galactosidase (Escherichia coli) as an anchor for the open conformations of Phe-601 and the active-site loop
Biochem.Cell Biol., 88, 2010
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6CVM
 | | Atomic resolution cryo-EM structure of beta-galactosidase | | Descriptor: | 2-phenylethyl 1-thio-beta-D-galactopyranoside, Beta-galactosidase, MAGNESIUM ION, ... | | Authors: | Subramaniam, S, Bartesaghi, A, Banerjee, S, Zhu, X, Milne, J.L.S. | | Deposit date: | 2018-03-28 | | Release date: | 2018-05-30 | | Last modified: | 2024-03-13 | | Method: | ELECTRON MICROSCOPY (1.9 Å) | | Cite: | Atomic Resolution Cryo-EM Structure of beta-Galactosidase.
Structure, 26, 2018
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3T0D
 | | E.coli (lacZ) beta-galactosidase (S796T) in complex with galactonolactone | | Descriptor: | Beta-galactosidase, D-galactonolactone, DIMETHYL SULFOXIDE, ... | | Authors: | Jancewicz, L.J, Wheatley, R.W, Sutendra, G, Lee, M, Fraser, M, Huber, R.E. | | Deposit date: | 2011-07-20 | | Release date: | 2012-01-18 | | Last modified: | 2024-02-28 | | Method: | X-RAY DIFFRACTION (1.93 Å) | | Cite: | Ser-796 of Beta-galactosidase (E. coli) plays a Key role in Maintaining an Optimum Balance between the Opened and Closed Conformations of the Catalytically Important Active Site Loop
Arch.Biochem.Biophys., 517, 2012
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3IAP
 | | E. coli (lacZ) beta-galactosidase (E416Q) | | Descriptor: | 2-[BIS-(2-HYDROXY-ETHYL)-AMINO]-2-HYDROXYMETHYL-PROPANE-1,3-DIOL, Beta-galactosidase, DIMETHYL SULFOXIDE, ... | | Authors: | Lo, S, Dugdale, M.L, Jeerh, N, Ku, T, Roth, N.J, Huber, R.E. | | Deposit date: | 2009-07-14 | | Release date: | 2009-12-29 | | Last modified: | 2023-09-06 | | Method: | X-RAY DIFFRACTION (2 Å) | | Cite: | Studies of Glu-416 variants of beta-galactosidase (E. coli) show that the active site Mg(2+) is not important for structure and indicate that the main role of Mg (2+) is to mediate optimization of active site chemistry
Protein J., 29, 2010
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3VD4
 | | E. coli (lacZ) beta-galactosidase (N460D) in complex with IPTG | | Descriptor: | 1-methylethyl 1-thio-beta-D-galactopyranoside, Beta-galactosidase, DIMETHYL SULFOXIDE, ... | | Authors: | Wheatley, R.W, Kappelhoff, J.C, Hahn, J.N, Dugdale, M.L, Dutkoski, M.J, Tamman, S.D, Fraser, M.E, Huber, R.E. | | Deposit date: | 2012-01-04 | | Release date: | 2012-04-11 | | Last modified: | 2023-09-13 | | Method: | X-RAY DIFFRACTION (2 Å) | | Cite: | Substitution for Asn460 cripples {beta}-galactosidase (Escherichia coli) by increasing substrate affinity and decreasing transition state stability.
Arch.Biochem.Biophys., 521, 2012
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3T08
 | | E. coli (LacZ) beta-galactosidase (S796A) IPTG complex | | Descriptor: | 1-methylethyl 1-thio-beta-D-galactopyranoside, Beta-galactosidase, DIMETHYL SULFOXIDE, ... | | Authors: | Jancewicz, L.J, Wheatley, R.W, Sutendra, G, Lee, M, Fraser, M, Huber, R.E. | | Deposit date: | 2011-07-19 | | Release date: | 2012-01-18 | | Last modified: | 2024-02-28 | | Method: | X-RAY DIFFRACTION (2 Å) | | Cite: | Ser-796 of Beta-Galactosidase (E. coli) Plays a Key Role in Maintaining an Optimum Balance between the Opened and Closed Conformations of the Catalytically Important Active Site Loop
Arch.Biochem.Biophys., 517, 2012
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3VD9
 | | E. coli (lacZ) beta-galactosidase (N460S) in complex with IPTG | | Descriptor: | 1-methylethyl 1-thio-beta-D-galactopyranoside, Beta-galactosidase, DIMETHYL SULFOXIDE, ... | | Authors: | Wheatley, R.W, Kappelhoff, J.C, Hahn, J.N, Dugdale, M.L, Dutkoski, M.J, Tamman, S.D, Fraser, M.E, Huber, R.E. | | Deposit date: | 2012-01-04 | | Release date: | 2012-04-11 | | Last modified: | 2023-09-13 | | Method: | X-RAY DIFFRACTION (2.05 Å) | | Cite: | Substitution for Asn460 cripples {beta}-galactosidase (Escherichia coli) by increasing substrate affinity and decreasing transition state stability.
Arch.Biochem.Biophys., 521, 2012
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