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Crystal Structure of Human M340H-Beta-1,4-Galactosyltransferase-I(M340H-B4Gal-T1) in Complex with GlcNAc-beta1,4-Man-alpha1,3-Man-beta-OR
Biology and Chemistry Report
2AGD
  •   Structure Details   Hide

    Structure Keywords

    Keywords TRANSFERASE
    Text beta1,4-Galactosyltransferase-I; Trisaccharide; closed conformation; Mutant, TRANSFERASE

    Polymeric Molecules

    Chain A,B,C
    Description Beta-1,4-galactosyltransferase 1 
    Fragment Catalytic domain, Residues 126-398 
    Mutation M340H, C338T, R337T 
    Nonstandard Linkage no 
    Nonstandard Monomers no 
    Polymer Type polypeptide(L) 
    Formula Weight 32773.5 
    Source Method genetically manipulated  
    Entity Name Beta-1,4-GalTase 1; Beta4Gal-T1; b4Gal-T1; UDP-galactose:beta-N-acetylglucosamine beta-1,4-galactosyltransferase 1 
    Entity Name Sys E.C.2.4.1.90 

    Ligands and Prosthetic Groups

    ID Name Chemical Formula Weight Ligand Structure
    BMA  BETA-D-MANNOSE  C6 H12 O6   180.16  View 
    DIO  1,4-DIETHYLENE DIOXIDE  C4 H8 O2   88.11  View 
    GOL  GLYCEROL  C3 H8 O3   92.09  View 
    MAN  ALPHA-D-MANNOSE  C6 H12 O6   180.16  View 
    MES  2-(N-MORPHOLINO)-ETHANESULFONIC ACID  C6 H13 N O4 S   195.24  View 
    MN  MANGANESE (II) ION  Mn   54.94  View 
    NAG  N-ACETYL-D-GLUCOSAMINE  C8 H15 N O6   221.21  View 
    SO4  SULFATE ION  O4 S   96.06  View 
    UDH  6-AMINOHEXYL-URIDINE-C1,5'-DIPHOSPHATE  C15 H27 N3 O12 P2   503.34  View 
     
  •   Protein Details   Hide

    UniProtKB Information

    Chain SWS/UNP ID SWS/UNP Accession(s)
    A,B,C B4GT1_HUMAN P15291     

    Keywords and Names

    Chain(s) RCSB Name UniProtKB Name UniProtKB Keywords

    C: Cellular Location | F: Molecular Function | P: Biological Process
    Chain A,B,C
    GO ID   Ontology GO Term Definition
    5975   Carbohydrate Metabolic Process  The Chemical Reactions and Pathways Involving Carbohydrates Any of a Group of Organic Compounds Based of the General Formula Cx(h2o)y. Includes the Formation of Carbohydrate Derivatives by the Addition of a Carbohydrate Residue to Another Molecule. 
    16757   Transferase Activity Transferring Glycosyl Groups  Catalysis of the Transfer of a Glycosyl Group From One Compound (donor) to Another (acceptor). 


     
  •   Gene Details   Hide

    Genetic Source

    Chain A,B,C
    Common Name Human
    Scientific Name Homo sapiens  
    Genus Homo
    Gene b4galt1, ggtb2
    Host Scientific Name Escherichia coli bl21  
    Host Genus Escherichia
    Host Species Escherichia Coli
    Host Strain Bl21
    Host Vector Type Plasmid
    Host Plasmid Name PET23A
    Description N Terminal Carries T7 Tag of 11 Amino Acids Followed by Gly Ser & Ala


    Genome Information

    Chromosome Locus Gene ID Gene Name Symbol
    9 9p13 2683     UDP-Gal:betaGlcNAc beta 1,4- galactosyltransferase, polypeptide 1 B4GALT1    

    Single Nucleotide Polymorphisms (from LS-SNP database)

    SNP ID LsSnp Link dbSNP Link Chain PDB position Amino acid changes Secondary structure Solvent Accessibility Chromosome Chromosome position Ligand
    rs150774756 LS-SNP   dbSNP   A 131 P - > L Coil 51% (Exposed) 9 33166776
    rs141240243 LS-SNP   dbSNP   A 155 A - > V Helix 27% (Intermediate) 9 33135371
    rs148644594 LS-SNP   dbSNP   A 164 G - > S Turn 2% (Buried) 9 33135345
    rs189687646 LS-SNP   dbSNP   A 166 R - > H Beta Ladder 26% (Intermediate) 9 33135338
    rs186358617 LS-SNP   dbSNP   A 168 A - > V Coil 46% (Exposed) 9 33135332
    rs146996656 LS-SNP   dbSNP   A 171 D - > E Bend 77% (Exposed) 9 33135322
    rs145978864 LS-SNP   dbSNP   A 173 V - > I Beta 57% (Exposed) 9 33135318
    rs201564406 LS-SNP   dbSNP   A 180 I - > V Beta Ladder 0% (Buried) 9 33135297
    rs142441831 LS-SNP   dbSNP   A 185 R - > C Bend 15% (Intermediate) 9 33135282 UDH
    rs201417912 LS-SNP   dbSNP   A 253 P - > A Beta Ladder 1% (Buried) 9 33120496
    rs9169 LS-SNP   dbSNP   A 257 H - > R Turn 43% (Exposed) 9 33120483
    rs138922397 LS-SNP   dbSNP   A 259 A - > G Coil 15% (Intermediate) 9 33120477
    rs150249236 LS-SNP   dbSNP   A 298 L - > V Helix 45% (Exposed) 9 33116056
    rs141028770 LS-SNP   dbSNP   A 314 D - > AG Helix 14% (Intermediate) 9 33116007 BMA,MAN,NAG
    rs201839344 LS-SNP   dbSNP   A 373 S - > L 3/10 Helix 11% (Intermediate) 9 33113531
    rs200054419 LS-SNP   dbSNP   A 397 P - > L Coil 23% (Intermediate) 9 33113459