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An Information Portal to 105025 Biological Macromolecular Structures

Crystal Structure of MMACHC (1-238), a human B12 processing enzyme, complexed with MethylCobalamin
Biology and Chemistry Report
3SC0
  •   Structure Details   Hide

    Structure Keywords

    Keywords OXIDOREDUCTASE
    Text MMACHC, CblC, Cobalamin, Flavin, Glutathione, Flavin Reductase, Oxidoreductase, Maturase

    Polymeric Molecules

    Chain A
    Description Methylmalonic aciduria and homocystinuria type C protein 
    Fragment B12 binding domain, Residues 1-238 
    Nonstandard Linkage no 
    Nonstandard Monomers no 
    Polymer Type polypeptide(L) 
    Formula Weight 27489.7 
    Source Method genetically manipulated  

    Ligands and Prosthetic Groups

    ID Name Chemical Formula Weight Ligand Structure
    COB  CO-METHYLCOBALAMIN  C63 H91 Co N13 O14 P   1344.38  View 
     
  •   Protein Details   Hide

    UniProtKB Information

    Chain SWS/UNP ID SWS/UNP Accession(s)
    A MMAC_HUMAN Q5T157     

    Keywords and Names

    Chain(s) RCSB Name UniProtKB Name UniProtKB Keywords

     
  •   Gene Details   Hide

    Genetic Source

    Chain A
    Common Name Human
    Scientific Name Homo sapiens  
    Gene mmachc
    Host Scientific Name Escherichia coli  
    Host Strain Bl21
    Host Vector Type Plasmid
    Host Plasmid Name pMCSG7


    Genome Information

    Chromosome Locus Gene ID Gene Name Symbol
    1 1p34.1 25974     methylmalonic aciduria (cobalamin deficiency) cblC type, with homocystinuria MMACHC    

    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
    rs201807738 LS-SNP   dbSNP   A 3 P - > R Helix 75% (Exposed) 1 45966012
    rs201898615 LS-SNP   dbSNP   A 23 V - > F Beta Ladder 3% (Buried) 1 45966071
    rs200920274 LS-SNP   dbSNP   A 47 T - > N Beta Ladder 0% (Buried) 1 45973086
    rs201507059 LS-SNP   dbSNP   A 53 L - > V Beta Ladder 0% (Buried) 1 45973103
    rs6662272 LS-SNP   dbSNP   A 60 D - > H Helix 53% (Exposed) 1 45973124
    rs200483477 LS-SNP   dbSNP   A 61 R - > W Helix 70% (Exposed) 1 45973127
    rs201777449 LS-SNP   dbSNP   A 61 R - > Q Helix 70% (Exposed) 1 45973128
    rs200109668 LS-SNP   dbSNP   A 89 R - > S Helix 27% (Intermediate) 1 45973211
    rs201617713 LS-SNP   dbSNP   A 106 E - > K Coil 22% (Intermediate) 1 45973923 COB
    rs200300254 LS-SNP   dbSNP   A 111 R - > Q Bend 101% (Exposed) 1 45973939
    rs187869948 LS-SNP   dbSNP   A 112 R - > C Coil 54% (Exposed) 1 45973941
    rs121918240 LS-SNP   dbSNP   A 116 L - > P Coil 28% (Intermediate) 1 45973954 COB
    rs200094982 LS-SNP   dbSNP   A 130 Y - > C Beta Ladder 0% (Buried) 1 45973996
    rs189608856 LS-SNP   dbSNP   A 142 N - > K Bend 131% (Exposed) 1 45974033
    rs74365027 LS-SNP   dbSNP   A 145 I - > L Coil 10% (Intermediate) 1 45974471
    rs140522266 LS-SNP   dbSNP   A 147 G - > A Coil 4% (Buried) 1 45974478 COB
    rs200276195 LS-SNP   dbSNP   A 153 R - > Q Turn 65% (Exposed) 1 45974496
    rs201312386 LS-SNP   dbSNP   A 158 F - > L Coil 6% (Buried) 1 45974510 COB
    rs121918243 LS-SNP   dbSNP   A 161 R - > Q Beta Ladder 8% (Buried) 1 45974520 COB
    rs201410976 LS-SNP   dbSNP   A 185 T - > R Bend 64% (Exposed) 1 45974592
    rs200895671 LS-SNP   dbSNP   A 189 R - > C Helix 17% (Intermediate) 1 45974603
    rs200515707 LS-SNP   dbSNP   A 201 R - > H 3/10 Helix 74% (Exposed) 1 45974640
    rs192924272 LS-SNP   dbSNP   A 211 P - > T Coil 5% (Buried) 1 45974669
    rs202189863 LS-SNP   dbSNP   A 214 R - > H Coil 53% (Exposed) 1 45974679
    rs199641732 LS-SNP   dbSNP   A 217 E - > V Helix 63% (Exposed) 1 45974688
    rs200023742 LS-SNP   dbSNP   A 220 K - > E Helix 22% (Intermediate) 1 45974696
    rs201269886 LS-SNP   dbSNP   A 228 A - > V Helix 33% (Intermediate) 1 45974721