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(-) Description

Authors :  K. P. Battaile, H. Wu, H. Zeng, P. Loppnau, A. Dong, J. Weigelt, M. Sundstrom, C. H. Arrowsmith, A. M. Edwards, A. Bochkarev, A. N. Plotnikov, Structural Genomics Consortium (Sgc)
Date :  17 Aug 05  (Deposition) - 25 Aug 05  (Release) - 24 Feb 09  (Revision)
Resolution :  1.58
Chains :  Asym./Biol. Unit :  A
Keywords :  Methyltransferase, Polymorphism, Transferase, Psi, Protein Structure Initiative, Structural Genomics Consortium (Sgc) (Keyword Search: [Gene Ontology, PubMed, Web (Google))
Reference :  H. Wu, J. R. Horton, K. P. Battaile, A. Allali-Hassani, F. Martin, H. Zeng, P. Loppnau, M. Vedadi, A. Bochkarev, A. N. Plotnikov, X. Cheng
Structural Basis Of Allele Variation Of Human Thiopurine-S-Methyltransferase.
Proteins V. 67 198 2007
PubMed-ID: 17243178  |  Reference-DOI: 10.1002/PROT.21272

(-) Compounds

    EC Number2.1.1.67
    Expression SystemESCHERICHIA COLI
    Expression System Taxid562
    Organism CommonHUMAN
    Organism ScientificHOMO SAPIENS
    Organism Taxid9606

 Structural Features

(-) Chains, Units

Asymmetric/Biological Unit A

Summary Information (see also Sequences/Alignments below)

(-) Ligands, Modified Residues, Ions  (3, 5)

Asymmetric/Biological Unit (3, 5)
No.NameCountTypeFull Name

(-) Sites  (2, 2)

Asymmetric Unit (2, 2)
1AC1SOFTWARELEU A:26 , TRP A:29 , TRP A:33 , PHE A:40 , LEU A:69 , CYS A:70 , GLU A:90 , ILE A:91 , CYS A:133 , SER A:134 , ILE A:135 , ARG A:152 , GLY A:153 , HOH A:2036 , HOH A:2068 , HOH A:2223 , HOH A:2224 , HOH A:2225BINDING SITE FOR RESIDUE SAH A1246
2AC2SOFTWAREARG A:64 , PRO A:111 , ILE A:112 , THR A:113 , GLU A:114 , TYR A:131 , THR A:141 , ASN A:142 , ILE A:143 , SER A:229 , HOH A:2109 , HOH A:2226 , HOH A:2227 , HOH A:2228 , HOH A:2229 , HOH A:2230 , HOH A:2231BINDING SITE FOR RESIDUE B3P A1247

(-) SS Bonds  (0, 0)

(no "SS Bond" information available for 2BZG)

(-) Cis Peptide Bonds  (2, 2)

Asymmetric/Biological Unit
1Gly A:194 -Pro A:195
2Pro A:195 -Pro A:196

 Sequence-Structure Mapping

(-) SAPs(SNPs)/Variants  (8, 8)

Asymmetric/Biological Unit (8, 8)
No.SourceVariant IDVariantUniProt IDStatusIDChainVariant

  SNP/SAP Summary Statistics (UniProtKB/Swiss-Prot)

(-) PROSITE Motifs  (1, 1)

Asymmetric/Biological Unit (1, 1)
1SAM_MT_TPMTPS51585 Thiopurine or thiol or thiocyanate S-methyltransferase (TPMT) family profile.TPMT_HUMAN26-240  1A:26-240

(-) Exons   (8, 8)

Asymmetric/Biological Unit (8, 8)
No.Transcript IDExonExon IDGenome LocationLengthIDLocationLengthCountLocationLength

(-) Sequences/Alignments

Asymmetric/Biological Unit
   Reformat: Number of residues per line =  ('0' or empty: single-line sequence representation)
  Number of residues per labelling interval =   
  UniProt sequence: complete  aligned part    
   Show mapping: SCOP domains CATH domains Pfam domains Secondary structure (by author)
SAPs(SNPs) PROSITE motifs Exons
(details for a mapped element are shown in a popup box when the mouse pointer rests over it)
Chain A from PDB  Type:PROTEIN  Length:229
 aligned with TPMT_HUMAN | P51580 from UniProtKB/Swiss-Prot  Length:245

    Alignment length:229
                                    26        36        46        56        66        76        86        96       106       116       126       136       146       156       166       176       186       196       206       216       226       236         
               SCOP domains d2bzga1 A:17-245 Thiopurine S-methyltransferase                                                                                                                                                                                       SCOP domains
               CATH domains ------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- CATH domains
               Pfam domains ------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- Pfam domains
         Sec.struct. author ........hhhhhhhhhhhh.........hhhhhhhhhhhhh.....eeee......hhhhhhhhh..eeeee..hhhhhhhhhhhh..eeeeee.....eeeeeee....eeeee.hhhhhhhh.....eeeee.hhhhhh...hhhhhhhhhhhh...eeeeeeeeee.............hhhhhhhhhh...eeeeeeeee..hhhhhhhh.eeeeeeeeeeee. Sec.struct. author
                 SAPs(SNPs) --------------------------------S------------------------------P-------------------------------------------------------------------------T------------------------HF----------------------------------H-----------Q------------C----- SAPs(SNPs)
                    PROSITE ---------SAM_MT_TPMT  PDB: A:26-240 UniProt: 26-240                                                                                                                                                                             ----- PROSITE
           Transcript 1 (1) Exon 1.2  PDB: A:17-47         ------------------------------Exon 1.4  PDB: A:78-122 UniProt: 78-122      Exon 1.5          ------------------------Exon 1.7  PDB: A:165-194      --------------Exon 1.9  PDB: A:209-245              Transcript 1 (1)
           Transcript 1 (2) ------------------------------Exon 1.3  PDB: A:47-78          -------------------------------------------------------------Exon 1.6  PDB: A:140-165  ----------------------------Exon 1.8        ------------------------------------ Transcript 1 (2)
                                    26        36        46        56        66        76        86        96       106       116       126       136       146 |     156       166   |   176       186       196       206       216       226       236         
                                                                                      76-MSE                                                                 148-MSE               170-MSE                                                                       

   Legend:   → Mismatch (orange background)
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  x → Chemical Group (purple background, 'x', labelled with number + name, e.g. ACE or NH2)
  extra numbering lines below/above indicate numbering irregularities and modified residue names etc., number ends below/above '|'

 Classification and Annotation

(-) SCOP Domains  (1, 1)

Asymmetric/Biological Unit

(-) CATH Domains  (0, 0)

(no "CATH Domain" information available for 2BZG)

(-) Pfam Domains  (0, 0)

(no "Pfam Domain" information available for 2BZG)

(-) Gene Ontology  (9, 9)

Asymmetric/Biological Unit(hide GO term definitions)
Chain A   (TPMT_HUMAN | P51580)
molecular function
    GO:0008757    S-adenosylmethionine-dependent methyltransferase activity    Catalysis of the transfer of a methyl group from S-adenosyl-L-methionine to a substrate.
    GO:0008168    methyltransferase activity    Catalysis of the transfer of a methyl group to an acceptor molecule.
    GO:0008119    thiopurine S-methyltransferase activity    Catalysis of the reaction: S-adenosyl-L-methionine + a thiopurine = S-adenosyl-L-homocysteine + a thiopurine S-methylether.
    GO:0016740    transferase activity    Catalysis of the transfer of a group, e.g. a methyl group, glycosyl group, acyl group, phosphorus-containing, or other groups, from one compound (generally regarded as the donor) to another compound (generally regarded as the acceptor). Transferase is the systematic name for any enzyme of EC class 2.
biological process
    GO:0032259    methylation    The process in which a methyl group is covalently attached to a molecule.
    GO:0006139    nucleobase-containing compound metabolic process    Any cellular metabolic process involving nucleobases, nucleosides, nucleotides and nucleic acids.
cellular component
    GO:0005737    cytoplasm    All of the contents of a cell excluding the plasma membrane and nucleus, but including other subcellular structures.
    GO:0005829    cytosol    The part of the cytoplasm that does not contain organelles but which does contain other particulate matter, such as protein complexes.
    GO:0070062    extracellular exosome    A vesicle that is released into the extracellular region by fusion of the limiting endosomal membrane of a multivesicular body with the plasma membrane. Extracellular exosomes, also simply called exosomes, have a diameter of about 40-100 nm.


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 Related Entries

(-) Entries Sharing at Least One Protein Chain (UniProt ID)

        TPMT_HUMAN | P515802h11

(-) Related Entries Specified in the PDB File

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