3MV1
 
 | | E.Coli (lacZ) beta-galactosidase (R599A) in complex with Guanidinium | | Descriptor: | Beta-galactosidase, DIMETHYL SULFOXIDE, GUANIDINE, ... | | Authors: | Dugdale, M.L, Vance, M, Driedger, M.L, 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 (2.2 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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3MUY
 | | E. coli (lacZ) beta-galactosidase (R599A) | | Descriptor: | Beta-D-galactosidase, DIMETHYL SULFOXIDE, MAGNESIUM ION, ... | | Authors: | Dugdale, M.L, Vance, M, Driedger, M.L, 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 (2.5 Å) | | Cite: | Importance of Arg-599 of beta-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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3MV0
 | | E. COLI (lacZ) BETA-GALACTOSIDASE (R599A) IN COMPLEX WITH D-GALCTOPYRANOSYL-1-ONE | | Descriptor: | Beta-galactosidase, D-galactonolactone, DIMETHYL SULFOXIDE, ... | | Authors: | Dugdale, M.L, Vance, M, Driedger, M.L, 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 (2.2 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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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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3I3D
 | | E. COLI (lacZ) BETA-GALACTOSIDASE (M542A) IN COMPLEX WITH IPTG | | Descriptor: | 1-methylethyl 1-thio-beta-D-galactopyranoside, Beta-galactosidase, DIMETHYL SULFOXIDE, ... | | Authors: | Dugdale, M.L, Dymianiw, D, Minhas, B, Huber, R.E. | | Deposit date: | 2009-06-30 | | Release date: | 2010-05-12 | | Last modified: | 2023-09-06 | | Method: | X-RAY DIFFRACTION (2.2 Å) | | Cite: | Role of Met-542 as a guide for the conformational changes of Phe-601 that occur during the reaction of β-galactosidase (Escherichia coli).
Biochem.Cell Biol., 88, 2010
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3I3E
 | | E. COLI (lacZ) BETA-GALACTOSIDASE (M542A) | | Descriptor: | Beta-galactosidase, DIMETHYL SULFOXIDE, MAGNESIUM ION, ... | | Authors: | Dugdale, M.L, Dymianiw, D, Minhas, B, Huber, R.E. | | Deposit date: | 2009-06-30 | | Release date: | 2010-05-12 | | Last modified: | 2023-09-06 | | Method: | X-RAY DIFFRACTION (2.1 Å) | | Cite: | Role of Met-542 as a guide for the conformational changes of Phe-601 that occur during the reaction of β-galactosidase (Escherichia coli).
Biochem.Cell Biol., 88, 2010
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3I3B
 | | E.coli (lacz) Beta-Galactosidase (M542A) in Complex with D-Galactopyranosyl-1-on | | Descriptor: | Beta-galactosidase, D-galactonolactone, DIMETHYL SULFOXIDE, ... | | Authors: | Dugdale, M.L, Dymianiw, D, Minhas, B, Huber, R.E. | | Deposit date: | 2009-06-30 | | Release date: | 2010-05-12 | | Last modified: | 2023-09-06 | | Method: | X-RAY DIFFRACTION (2.2 Å) | | Cite: | Role of Met-542 as a guide for the conformational changes of Phe-601 that occur during the reaction of β-galactosidase (Escherichia coli).
Biochem.Cell Biol., 88, 2010
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4DUW
 | | E. coli (lacZ) beta-galactosidase (G974A) in complex with allolactose | | Descriptor: | Beta-galactosidase, DIMETHYL SULFOXIDE, MAGNESIUM ION, ... | | Authors: | Wheatley, R.W, Lo, S, Janzcewicz, L.J, Dugdale, M.L, Huber, R.E. | | Deposit date: | 2012-02-22 | | Release date: | 2013-03-20 | | Last modified: | 2023-09-13 | | Method: | X-RAY DIFFRACTION (2.2 Å) | | Cite: | Structural Explanation for Allolactose (lac operon inducer) Synthesis by lacZ
beta-Galactosidase and the Evolutionary Relationship between Allolactose
synthesis and the lac Repressor
J.Biol.Chem., 288, 2013
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4DUV
 | | E. coli (lacZ) beta-galactosidase (G974A) 2-deoxy-galactosyl-enzyme and bis-Tris complex | | Descriptor: | 2-[BIS-(2-HYDROXY-ETHYL)-AMINO]-2-HYDROXYMETHYL-PROPANE-1,3-DIOL, 2-deoxy-alpha-D-galactopyranose, Beta-galactosidase, ... | | Authors: | Wheatley, R.W, Lo, S, Janzcewicz, L.J, Dugdale, M.L, Huber, R.E. | | Deposit date: | 2012-02-22 | | Release date: | 2013-04-03 | | Last modified: | 2023-09-13 | | Method: | X-RAY DIFFRACTION (2.1 Å) | | Cite: | The Glucose Acceptor site of lacZ beta-galactosidase for the synthesis of allolactose - the natural inducer of the lac operon
To be Published
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4DUX
 | | E. coli (lacZ) beta-galactosidase (N460S) in complex with L-ribose | | Descriptor: | Beta-galactosidase, DIMETHYL SULFOXIDE, MAGNESIUM ION, ... | | Authors: | Wheatley, R.W, Lo, S, Janzcewicz, L.J, Dugdale, M.L, Huber, R.E. | | Deposit date: | 2012-02-22 | | Release date: | 2013-03-20 | | Last modified: | 2023-09-13 | | Method: | X-RAY DIFFRACTION (2.3 Å) | | Cite: | Structural explanation for allolactose (lac operon inducer) synthesis by lacZ beta-galactosidase and the evolutionary relationship between allolactose synthesis and the lac repressor.
J.Biol.Chem., 288, 2013
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3CZJ
 | | E. COLI (lacZ) BETA-GALACTOSIDASE (N460T) IN COMPLEX WITH D-GALCTOPYRANOSYL-1-ONE | | Descriptor: | Beta-galactosidase, D-galactonolactone, DIMETHYL SULFOXIDE, ... | | Authors: | Huber, R.E, Dugdale, M.L, Fraser, M.E, Tammam, S.D. | | Deposit date: | 2008-04-29 | | Release date: | 2009-04-07 | | Last modified: | 2023-08-30 | | Method: | X-RAY DIFFRACTION (2.05 Å) | | Cite: | Practical Considerations When Using Temperature to Obtain Rate Constants and Activation Thermodynamics of Enzymes with Two Catalytic Steps: Native and N460T-beta-Galactosidase (E. coli) as Examples.
Protein J., 28, 2009
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3E1F
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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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3IAQ
 | | E. coli (lacz) beta-galactosidase (E416V) | | 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 (2.7 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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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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3VDC
 | | E. coli (lacZ) beta-galactosidase (N460T) 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 (2.55 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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3VD3
 | | E. coli (lacZ) beta-galactosidase (N460D) | | Descriptor: | Beta-galactosidase, DIMETHYL SULFOXIDE, MAGNESIUM ION, ... | | 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 (2.8 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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3VD7
 | | E. coli (lacZ) beta-galactosidase (N460S) in complex with galactotetrazole | | Descriptor: | (5R, 6S, 7S, ... | | 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 (2.87 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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3VDB
 | | E. coli (lacZ) beta-galactosidase (N460T) in complex with galactonolactone | | Descriptor: | Beta-galactosidase, D-galactonolactone, 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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3VDA
 | | E. coli (lacZ) beta-galactosidase (N460T) | | Descriptor: | Beta-galactosidase, DIMETHYL SULFOXIDE, MAGNESIUM ION, ... | | 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 (2.5 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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3VD5
 | | E. coli (lacZ) beta-galactosidase (N460S) | | Descriptor: | Beta-galactosidase, DIMETHYL SULFOXIDE, MAGNESIUM ION, ... | | 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 (2.7 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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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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