Warning
You are using a web browser that we do not support. Our website will not work properly. Please update to a newer version or download a new web browser, such as Chrome or Firefox.
MyPDB
Toggle navigation
RCSB PDB
Deposit
Prepare Data
pdb_extract
SF-Tool
Ligand Expo
MAXIT
Validate Data
Validation Server
Information for Journals
Validation Task Forces
Deposit Data
wwPDB OneDep System
Deposition Help & Resources
Deposit FAQ
Tutorials
Annotation Policies
Processing Procedures
PDBx/mmCIF Dictionary
Chemical Component Dictionary
PDB Format Guide
BioSync Beamlines/Facilities
Related Tools
Search
Advanced Search
Drilldown Search
Unreleased & New Entries
Sequences
Ligands
Drugs & Drug Targets
Browse by Annotation
PDB Statistics
Visualize
Visualize3DViewer
PoseView
Protein Feature View
Human Gene View
Pathway View
Analyze
Sequence & Structure Alignment
Protein Symmetry
Structure Quality
Map Genomic Position to Protein
PDB Statistics
Third Party Tools
Download
Coordinates & Experimental Data
Sequences
Ligands
FTP Archive & Services
HTTPS Services
Other Services
RESTful Web Services
Learn
About
Molecule of the Month
Browse all Resources
Educational Resources
Curricula
Guide to PDB Data
News and Events
More
Contact Us
Citing Us
Usage & Privacy
Help Topics
About RCSB PDB
Team Members
Advisory Committee
News
Publications
Careers
139555
Biological Macromolecular Structures Enabling Breakthroughs in Research and Education
Go
Advanced
Search
|
Browse
by Annotations
|
Search
History
|
Previous
Results
Navigation Tabs
Structure Summary
3D View
Annotations
Sequence
Sequence Similarity
Structure Similarity
Experiment
1PX3
E. COLI (LACZ) BETA-GALACTOSIDASE (G794A)
Display Files
FASTA Sequence
PDB File
PDB File (Header)
mmCIF File
mmCIF File (Header)
PDBML/XML File
PDBML/XML File (Header)
Download Files
FASTA Sequence
PDB File (Text)
PDB File (gz)
PDBx/mmCIF File
PDBx/mmCIF File (gz)
PDBML/XML File
PDBML/XML File (gz)
Structure Factor (Text)
Structure Factor (gz)
Biological Assembly (gz) (A+S)
Macromolecule Annotations for the Entities in PDB 1PX3
Domain Annotation: SCOP Classification
SCOP Database (version: 1.75) Homepage
Chains
Domain Info
Class
Fold
Superfamily
Family
Domain
Species
A220-333
d1px3a1
All beta proteins
Immunoglobulin-like beta-sandwich
beta-Galactosidase/glucuronidase domain
beta-Galactosidase/glucuronidase domain
beta-Galactosidase, domains 2 and 4
Escherichia coli [TaxId: 562]
A626-730
d1px3a2
All beta proteins
Immunoglobulin-like beta-sandwich
beta-Galactosidase/glucuronidase domain
beta-Galactosidase/glucuronidase domain
beta-Galactosidase, domains 2 and 4
Escherichia coli [TaxId: 562]
A13-219
d1px3a3
All beta proteins
Galactose-binding domain-like
Galactose-binding domain-like
beta-Galactosidase/glucuronidase, N-terminal domain
beta-Galactosidase
Escherichia coli [TaxId: 562]
A731-1023
d1px3a4
All beta proteins
Supersandwich
Galactose mutarotase-like
beta-Galactosidase, domain 5
beta-Galactosidase, domain 5
Escherichia coli [TaxId: 562]
A334-625
d1px3a5
Alpha and beta proteins (a/b)
TIM beta/alpha-barrel
(Trans)glycosidases
beta-glycanases
beta-Galactosidase, domain 3
Escherichia coli [TaxId: 562]
B220-333
d1px3b1
All beta proteins
Immunoglobulin-like beta-sandwich
beta-Galactosidase/glucuronidase domain
beta-Galactosidase/glucuronidase domain
beta-Galactosidase, domains 2 and 4
Escherichia coli [TaxId: 562]
B626-730
d1px3b2
All beta proteins
Immunoglobulin-like beta-sandwich
beta-Galactosidase/glucuronidase domain
beta-Galactosidase/glucuronidase domain
beta-Galactosidase, domains 2 and 4
Escherichia coli [TaxId: 562]
B13-219
d1px3b3
All beta proteins
Galactose-binding domain-like
Galactose-binding domain-like
beta-Galactosidase/glucuronidase, N-terminal domain
beta-Galactosidase
Escherichia coli [TaxId: 562]
B731-1023
d1px3b4
All beta proteins
Supersandwich
Galactose mutarotase-like
beta-Galactosidase, domain 5
beta-Galactosidase, domain 5
Escherichia coli [TaxId: 562]
B334-625
d1px3b5
Alpha and beta proteins (a/b)
TIM beta/alpha-barrel
(Trans)glycosidases
beta-glycanases
beta-Galactosidase, domain 3
Escherichia coli [TaxId: 562]
C220-333
d1px3c1
All beta proteins
Immunoglobulin-like beta-sandwich
beta-Galactosidase/glucuronidase domain
beta-Galactosidase/glucuronidase domain
beta-Galactosidase, domains 2 and 4
Escherichia coli [TaxId: 562]
C626-730
d1px3c2
All beta proteins
Immunoglobulin-like beta-sandwich
beta-Galactosidase/glucuronidase domain
beta-Galactosidase/glucuronidase domain
beta-Galactosidase, domains 2 and 4
Escherichia coli [TaxId: 562]
C13-219
d1px3c3
All beta proteins
Galactose-binding domain-like
Galactose-binding domain-like
beta-Galactosidase/glucuronidase, N-terminal domain
beta-Galactosidase
Escherichia coli [TaxId: 562]
C731-1023
d1px3c4
All beta proteins
Supersandwich
Galactose mutarotase-like
beta-Galactosidase, domain 5
beta-Galactosidase, domain 5
Escherichia coli [TaxId: 562]
C334-625
d1px3c5
Alpha and beta proteins (a/b)
TIM beta/alpha-barrel
(Trans)glycosidases
beta-glycanases
beta-Galactosidase, domain 3
Escherichia coli [TaxId: 562]
D220-333
d1px3d1
All beta proteins
Immunoglobulin-like beta-sandwich
beta-Galactosidase/glucuronidase domain
beta-Galactosidase/glucuronidase domain
beta-Galactosidase, domains 2 and 4
Escherichia coli [TaxId: 562]
D626-730
d1px3d2
All beta proteins
Immunoglobulin-like beta-sandwich
beta-Galactosidase/glucuronidase domain
beta-Galactosidase/glucuronidase domain
beta-Galactosidase, domains 2 and 4
Escherichia coli [TaxId: 562]
D13-219
d1px3d3
All beta proteins
Galactose-binding domain-like
Galactose-binding domain-like
beta-Galactosidase/glucuronidase, N-terminal domain
beta-Galactosidase
Escherichia coli [TaxId: 562]
D731-1023
d1px3d4
All beta proteins
Supersandwich
Galactose mutarotase-like
beta-Galactosidase, domain 5
beta-Galactosidase, domain 5
Escherichia coli [TaxId: 562]
D334-625
d1px3d5
Alpha and beta proteins (a/b)
TIM beta/alpha-barrel
(Trans)glycosidases
beta-glycanases
beta-Galactosidase, domain 3
Escherichia coli [TaxId: 562]
Domain Annotation: CATH
CATH Database (version 4.0.0) Homepage
Chains
Domain
Class
Architecture
Topology
Homology
A1
1px3A01
Mainly Beta
Sandwich
Jelly Rolls
Galactose-binding domain-like
A2
1px3A02
Mainly Beta
Sandwich
Immunoglobulin-like
A3
1px3A03
Alpha Beta
Alpha-Beta Barrel
TIM Barrel
Glycosidases
A4
1px3A04
Mainly Beta
Sandwich
Immunoglobulin-like
A5
1px3A05
Mainly Beta
Distorted Sandwich
Beta-galactosidase; Chain A, domain 5
B1
1px3B01
Mainly Beta
Sandwich
Jelly Rolls
Galactose-binding domain-like
B2
1px3B02
Mainly Beta
Sandwich
Immunoglobulin-like
B3
1px3B03
Alpha Beta
Alpha-Beta Barrel
TIM Barrel
Glycosidases
B4
1px3B04
Mainly Beta
Sandwich
Immunoglobulin-like
B5
1px3B05
Mainly Beta
Distorted Sandwich
Beta-galactosidase; Chain A, domain 5
C1
1px3C01
Mainly Beta
Sandwich
Jelly Rolls
Galactose-binding domain-like
C2
1px3C02
Mainly Beta
Sandwich
Immunoglobulin-like
C3
1px3C03
Alpha Beta
Alpha-Beta Barrel
TIM Barrel
Glycosidases
C4
1px3C04
Mainly Beta
Sandwich
Immunoglobulin-like
C5
1px3C05
Mainly Beta
Distorted Sandwich
Beta-galactosidase; Chain A, domain 5
D1
1px3D01
Mainly Beta
Sandwich
Jelly Rolls
Galactose-binding domain-like
D2
1px3D02
Mainly Beta
Sandwich
Immunoglobulin-like
D3
1px3D03
Alpha Beta
Alpha-Beta Barrel
TIM Barrel
Glycosidases
D4
1px3D04
Mainly Beta
Sandwich
Immunoglobulin-like
D5
1px3D05
Mainly Beta
Distorted Sandwich
Beta-galactosidase; Chain A, domain 5
Protein Family Annotation
Pfam Database Homepage
Chains
Pfam Accession
Pfam Identifier
Pfam Description
Type
Source
Gene Product Annotation
Gene Ontology Consortium Homepage
Chains
Polymer
Molecular Function
Biological Process
Cellular Component
A,B,C,D
beta-galactosidase (1PX3:A,B,C,D)
Magnesium Ion Binding
Catalytic Activity
Hydrolase Activity Hydrolyzing O Glycosyl Compounds
Beta Galactosidase Activity
Hydrolase Activity
Hydrolase Activity Acting On Glycosyl Bonds
Carbohydrate Binding
Alkali Metal Ion Binding
Identical Protein Binding
Metal Ion Binding
Carbohydrate Metabolic Process
Lactose Catabolic Process
Metabolic Process
Beta Galactosidase Complex
Protein Modification Annotation
Type
PDB Residue Nr.
Description