ISDA: 3I3D

Deposition Date 2009-06-30

Release Date 2010-05-12

Last Version Date 2023-09-06

Entry Detail

PDB ID:

3I3D

Keywords:

HYDROLASE

Title:

E. COLI (lacZ) BETA-GALACTOSIDASE (M542A) IN COMPLEX WITH IPTG

Biological Source:

Source Organism:

Escherichia coli (Taxon ID: 83333)

Host Organism:

Escherichia coli

Method Details:

Experimental Method:

X-RAY DIFFRACTION

Resolution:

2.20 Å

R-Value Free:

0.23

R-Value Work:

0.18

R-Value Observed:

0.18

Space Group:

P 21 21 21

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Macromolecular Entities

Structures with similar UniProt ID

Protein Blast

Polymer Type:polypeptide(L)
Molecule:Beta-galactosidase
Mutagens:M543A
Chain IDs:A, B, C, D
Chain Length:1023
Number of Molecules:4
Biological Source:Escherichia coli

UniProt ID:P00722 Pfam ID:PF02837, PF00703, PF02836, PF16353, PF02929

Ligand Molecules

DMS

IPT

Primary Citation

Role of Met-542 as a guide for the conformational changes of Phe-601 that occur during the reaction of β-galactosidase (Escherichia coli).

Dugdale, M.L, Dymianiw, D.L, Minhas, B.K, D'Angelo, I, Huber, R.E.Show

Biochem.Cell Biol. 88 861 869 (2010)

PMID: 20921997 DOI: 10.1139/O10-009

Primary Citation of related structures