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(-)Asym./Biol. Unit
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(-) Description

Title :  A PUTATIVE SAM-DEPENDENT METHYLTRANSFERASE FROM STREPTOCOCCUS MUTANS
 
Authors :  J. Nan, K. T. Wang, X. D. Su
Date :  03 Oct 05  (Deposition) - 31 Oct 06  (Release) - 24 Feb 09  (Revision)
Method :  X-RAY DIFFRACTION
Resolution :  2.00
Chains :  Asym./Biol. Unit :  A
Keywords :  Structure Genomics, Methyltransferase, Caries, Structural Genomics, Unknown Function (Keyword Search: [Gene Ontology, PubMed, Web (Google)] )
 
Reference :  J. Nan, K. T. Wang, X. D. Su
A Putative Sam-Dependent Methyltransferase From Streptococcus Mutans
To Be Published
PubMed: search
(for further references see the PDB file header)

(-) Compounds

Molecule 1 - HYPOTHETICAL PROTEIN SMU.776
    Chains: A
    Engineered: YES
    Expression System: ESCHERICHIA COLI BL21
    Expression System Plasmid: PET28A
    Expression System Strain: BL21
    Expression System Taxid: 511693
    Expression System Vector Type: PLASMID
    Organism Scientific: STREPTOCOCCUS MUTANS
    Organism Taxid: 1309

 Structural Features

(-) Chains, Units

  1
Asymmetric/Biological Unit : A

Summary Information (see also Sequences/Alignments below)

(-) Ligands, Modified Residues, Ions  (0, 0)

(no "Ligand,Modified Residues,Ions" information available for 2B78)

(-) Sites  (0, 0)

(no "Site" information available for 2B78)

(-) SS Bonds  (0, 0)

(no "SS Bond" information available for 2B78)

(-) Cis Peptide Bonds  (0, 0)

(no "Cis Peptide Bond" information available for 2B78)

 Sequence-Structure Mapping

(-) SAPs(SNPs)/Variants  (0, 0)

(no "SAP(SNP)/Variant" information available for 2B78)

(-) PROSITE Motifs  (0, 0)

(no "PROSITE Motif" information available for 2B78)

(-) Exons   (0, 0)

(no "Exon" information available for 2B78)

(-) 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:376
 aligned with Q8DUW5_STRMU | Q8DUW5 from UniProtKB/TrEMBL  Length:385

    Alignment length:385
                                    10        20        30        40        50        60        70        80        90       100       110       120       130       140       150       160       170       180       190       200       210       220       230       240       250       260       270       280       290       300       310       320       330       340       350       360       370       380     
         Q8DUW5_STRMU     1 MIKLMVGSFAEKKLKRGVQLLSSRDYPNLNLDNQVVQLYSDADIFLGTAYLSKQNKGVGWLISPKKVSLNVTYFIKLFQWSKDKRKNFAHSKLTTAYRLFNQDGDSFGGVTIDCYGDFVLFSWYNSFVYQIRDEIVAAFRQVYPNFLGAYEKIRFKGIDNVSAHLYGQEAPEQFLILENGISYNVFLNDGLMTGIFLDQRQVRNELINGSAAGKTVLNLFSYTAAFSVAAAMGGAMATTSVDLAKRSRALSLAHFEANHLDMANHQLVVMDVFDYFKYARRHHLTYDIIIIDPPSFARNKKEVFSVSKDYHKLIRQGLEILSENGLIIASTNAANMTVSQFKKQIEKGFGKQKHTYLDLQQLPSDFAVNVQDESSNYLKVFTIKV 385
               SCOP domains d2b78a1 A:1-68 Hypothetical protein SMu776, N-terminal domain       d2b78a2 A:69-385 Hypothetical protein SMu776, middle and C-terminal domains                                                                                                                                                                                                                                                   SCOP domains
               CATH domains ------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- CATH domains
               Pfam domains ------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- Pfam domains
         Sec.struct. author .eeee.hhhhhhhhhhh..eee.hhh.......eeeeee.....eeeeeeeeee..eeeeeee......hhhhhhhhhhhhhhhhhhhhhh....eeeeee.hhhh...eeeeee..eeeeee.hhhhhhhhhhhhhhhhhhh....eeeeee..----..eeeeee......eeeee..eeeee..........hhhhhhhhhhhhhh.....eeeee....hhhhhhhhhh...eeeeee...hhhhhhhhhhhhh......eeeee.hhhhhhhhhhhh...eeeeee.....-----...hhhhhhhhhhhhhhhheeeeeeeeeee.....hhhhhhhhhhhhhh....eeeeee...........hhhhh..eeeeee. Sec.struct. author
                 SAPs(SNPs) ------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- SAPs(SNPs)
                    PROSITE ------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- PROSITE
                 Transcript ------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- Transcript
                 2b78 A   1 MIKLMVGSFAEKKLKRGVQLLSSRDYPNLNLDNQVVQLYSDADIFLGTAYLSKQNKGVGWLISPKKVSLNVTYFIKLFQWSKDKRKNFAHSKLTTAYRLFNQDGDSFGGVTIDCYGDFVLFSWYNSFVYQIRDEIVAAFRQVYPNFLGAYEKIRF----NVSAHLYGQEAPEQFLILENGISYNVFLNDGLMTGIFLDQRQVRNELINGSAAGKTVLNLFSYTAAFSVAAAMGGAMATTSVDLAKRSRALSLAHFEANHLDMANHQLVVMDVFDYFKYARRHHLTYDIIIIDPPSF-----EVFSVSKDYHKLIRQGLEILSENGLIIASTNAANMTVSQFKKQIEKGFGKQKHTYLDLQQLPSDFAVNVQDESSNYLKVFTIKV 385
                                    10        20        30        40        50        60        70        80        90       100       110       120       130       140       150    |  160       170       180       190       200       210       220       230       240       250       260       270       280       290     |   - |     310       320       330       340       350       360       370       380     
                                                                                                                                                                                    155  160                                                                                                                                     296   302
   Legend:   → Mismatch (orange background)
  - → Gap (green background, '-', border residues have a numbering label)
    → Modified Residue (blue background, lower-case, 'x' indicates undefined single-letter code, labelled with number + name)
  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  (2, 2)

Asymmetric/Biological Unit
(-)
Class: All beta proteins (24004)
(-)
Class: Alpha and beta proteins (a/b) (23833)

(-) CATH Domains  (0, 0)

(no "CATH Domain" information available for 2B78)

(-) Pfam Domains  (0, 0)

(no "Pfam Domain" information available for 2B78)

(-) Gene Ontology  (5, 5)

Asymmetric/Biological Unit(hide GO term definitions)
Chain A   (Q8DUW5_STRMU | Q8DUW5)
molecular function
    GO:0008168    methyltransferase activity    Catalysis of the transfer of a methyl group to an acceptor molecule.
    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:0006364    rRNA processing    Any process involved in the conversion of a primary ribosomal RNA (rRNA) transcript into one or more mature rRNA molecules.
cellular component
    GO:0005737    cytoplasm    All of the contents of a cell excluding the plasma membrane and nucleus, but including other subcellular structures.

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 Related Entries

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        Q8DUW5_STRMU | Q8DUW5: 3ldf

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