1YRO	Transferase Activator Transferase	date	Feb 04, 2005
title	Crystal Structure Of Beta14,-Galactosyltransferase Mutant Ar Complex With Alpha-Lactalbumin In The Presence Of Udp-Galac Mn
authors	B.Ramakrishnan, E.Boeggeman, 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 Gene: Alpha-Lactalbumin Expression_system: Escherichia Coli Bl21 Expression_system_taxid: 511693 Expression_system_strain: Bl21 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 Mutation: 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 Gene: Beta1,4-Galactosyltransferase Expression_system: Escherichia Coli Bl21 Expression_system_taxid: 511693 Expression_system_strain: Bl21 Expression_system_vector_type: Plasmid Expression_system_plasmid: Pet23c Other_details: N-Terminal Carries A Tag Containing 13 Amino
symmetry	Space Group: P 1 21 1	R_factor 0.189 R_Free 0.225
crystal cell	length a length b length c angle alpha angle beta angle gamma 57.334 94.087 99.705 90.00 101.64 90.00
method	X-Ray Diffraction	resolution	1.90 Å
ligand	CA, GDU, MES, MN, PG4, UDP	enzyme	Transferase E.C.2.4.1.22 BRENDA
related structures	by homologous chain: 1HFX, 1NMM, 1PZT
Gene Ontology	Chain Function Process Component A, C D, B
Primary reference	Mutation of Arginine 228 to Lysine Enhances the Glucosyltransferase Activity of Bovine beta-1,4-Galactosyltransferase I(,)(,)., Ramakrishnan B, Boeggeman E, Qasba PK, Biochemistry 2005 Mar 8;44(9):3202-10. PMID:15736931

Data retrieval

Asymmetric unit, PDB entry: [header only] [complete with coordinates] (153 Kb) [Save to disk] Biological Unit Coordinates (1yro.pdb1.gz) 75 Kb Biological Unit Coordinates (1yro.pdb2.gz) 75 Kb LPC: Ligand-Protein Contacts for 1YRO CSU: Contacts of Structural Units for 1YRO Likely Quarternary Molecular Structure file(s) for 1YRO Structure Factors (666 Kb) Retrieve 1YRO in mmCIF format [Save to disk] SEQRES to COORDINATES correlation for 1YRO from S2C, [Save to disk] Re-refined 1yro structure from PDB_REDO, a databank with updated and optimised macromolecular X-ray diffraction structure models

View 1YRO in 3D

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Visual 3D analysis of 1YRO

Ramachandran plot from PDBSum

Structure-derived information

Electron Density related parameters from EDS Electron Density Server, at Upsala Dipole moment, from Dipole Server at Weizmann Institute 3D motif for 1YRO, from MSDmotif at EBI

Sequence-derived information

View one-letter amino acid or nucleotide sequence for each chain: [1yro_C] [1yro] [1yro_D] [1yro_A] [1yro_B] SWISS-PROT database: [P08037] [P29752] Domain organization of [B4GT1_BOVIN] [LALBA_MOUSE] by SWISSPFAM Domain found in 1YRO: [LYZ1 ] by SMART

Other resources with information on 1YRO

Community annotation for 1YRO at PDBWiki (http://pdbwiki.org) MMDB (Entrez's Structure Database)

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