English Statistics Help FAQ Contact Us
Download >>

PDBj (Protein Data Bank Japan) maintains a centralized PDB archive of macromolecular structures and provides integrated tools, in collaboration with the RCSB, the BMRB in USA and the PDBe in EU. PDBj is supported by JST-NBDC and Osaka University.

Summary Structural Experimental Function Sequence Neighbor Download Link


<Asymmetric unit>
= <Biological unit>

More images...
View in 3D molecule viewer
( jV3 / Jmol ) *1
PDB ID1f4h  sequence information (FASTA format)   
RELATED PDB ID1bgl/1bgm, 1f49, 1f4a, 1dp0, 1gho, 1hn1
DescriptorBETA-GALACTOSIDASE (E.C.3.2.1.23)
TitleE. COLI (LACZ) BETA-GALACTOSIDASE (ORTHORHOMBIC)
Functional Keywordsalpha/beta barrel, jelly roll barrel, fibronectin, beta supersandwich, HYDROLASE
Biological sourceEscherichia coli
Total number of polymer chains4
Total molecular weight465154.4 (the details in Structural Details Page)
AuthorsJuers, D.H. , Jacobson, R.H. , Wigley, D. , Zhang, X.J. , Huber, R.E. , Tronrud, D.E. , Matthews, B.W. (deposition date : 2000-06-07, release date : 2001-02-21)
Primary citationJuers, D.H. , Jacobson, R.H. , Wigley, D. , Zhang, X.J. , Huber, R.E. , Tronrud, D.E. , Matthews, B.W.
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., 9:1685 - 1699, 2000.(PubMed : 11045615)
Experimental methodX-RAY DIFFRACTION ( 2.8[Å] )
Other Database Information
Yorodumi , CATH , CE , FSSP , SCOP , VAST , UniProt ( P00722 ) , eF-site , KEGG ( EC 3.2.1.23 ) , PISA