1NMM | Transferase Activator Transferase | date | Jan 10, 2003 |
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title | Beta-1,4-Galactosyltransferase Mutant Cys342thr Complex With Lactalbumin And Glcnac | ||||||||||||||
authors | B.Ramakrishnan, P.S.Shah, P.K.Qasba | ||||||||||||||
compound | source | ||||||||||||||
Molecule: Alpha-Lactalbumin Chain: A, C Fragment: Regulatory Subunit Of Lactose Synthase Synonym: Lactalbumin, Alpha Engineered: Yes Other_details: Chains A And B Form First, C And D Second La Synthase Complex; |
Organism_scientific: Mus Musculus Organism_common: House Mouse Organism_taxid: 10090 Variant: Bl21 Expression_system: Escherichia Coli Expression_system_taxid: 562 Expression_system_vector_type: Plasmid Expression_system_plasmid: Pet17.1 | ||||||||||||||
Molecule: Beta-1,4-Galactosyltransferase Chain: B, D Fragment: Catalytic Domain, Residues 130-402 Synonym: B4gal-T1; Beta4gal-T1; Beta-1,4-Galtase 1; Beta-1, Galactosyltransferase 1; Udp-Galactose: Beta-N-Acetylglucosa 1,4-Galactosyltransferase 1; Ec: 2.4.1.22, 2.4.1.90, 2.4.1.38 Engineered: Yes Other_details: Chains A And B Form First, C And D Second La Synthase Complex |
Organism_scientific: Bos Taurus Organism_common: Cattle Organism_taxid: 9913 Variant: B834 Expression_system: Escherichia Coli Expression_system_taxid: 562 Expression_system_vector_type: Plasmid Expression_system_plasmid: Pet23c | ||||||||||||||
symmetry | Space Group: P 1 21 1 |
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crystal cell |
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method | X-Ray Diffraction | resolution | 2.00 Å | ||||||||||||
ligand | CA, NAG, PG4 | enzyme | Transferase E.C.2.4.1.22 BRENDA | ||||||||||||
note | 1NMM supersedes 1JN8 | ||||||||||||||
related structures | by homologous chain: 1NF5, 1PZT, 1YRO | ||||||||||||||
Gene Ontology |
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Primary reference | alpha-Lactalbumin (LA) stimulates milk beta-1,4-galactosyltransferase I (beta 4Gal-T1) to transfer glucose from UDP-glucose to N-acetylglucosamine. Crystal structure of beta 4Gal-T1 x LA complex with UDP-Glc., Ramakrishnan B, Shah PS, Qasba PK, J Biol Chem. 2001 Oct 5;276(40):37665-71. Epub 2001 Aug 2. PMID:11485999 |
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Structure-derived information |
- Domain d1nmma_, region A [Jmol] [rasmolscript] [script source] - Domain d1nmmb_, region B [Jmol] [rasmolscript] [script source] - Domain d1nmmc_, region C [Jmol] [rasmolscript] [script source] - Domain d1nmmd_, region D [Jmol] [rasmolscript] [script source] |
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