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(-) Description

Title :  CRYSTAL STRUCTURE OF METHYLTRANSFERASE FROM STREPTOCOCCUS MUTANS
 
Authors :  A. A. Fedorov, E. V. Fedorov, J. M. Sauder, S. K. Burley, S. C. Almo, New York Sgx Research Center For Structural Genomics (Nysgxrc)
Date :  30 Oct 06  (Deposition) - 14 Nov 06  (Release) - 24 Feb 09  (Revision)
Method :  X-RAY DIFFRACTION
Resolution :  1.90
Chains :  Asym./Biol. Unit :  A
Keywords :  Structural Genomics, Target 6426D, Methyltransferase, Psi, Protein Structure Initiative, New York Sgx Research Center For Structural Genomics, Nysgxrc (Keyword Search: [Gene Ontology, PubMed, Web (Google)] )
 
Reference :  A. A. Fedorov, E. V. Fedorov, J. M. Sauder, S. K. Burley, S. C. Almo
Crystal Structure Of Methyltransferase From Streptococcus Mutans
To Be Published
PubMed: search
(for further references see the PDB file header)

(-) Compounds

Molecule 1 - 5-METHYLTETRAHYDROPTEROYLTRIGLUTAMATE-- HOMOCYSTEINE METHYLTRANSFERASE
    Chains: A
    EC Number: 2.1.1.14
    Engineered: YES
    Expression System: ESCHERICHIA COLI
    Expression System Taxid: 562
    Gene: METE
    Organism Scientific: STREPTOCOCCUS MUTANS
    Organism Taxid: 1309
    Synonym: METHIONINE SYNTHASE, VITAMIN-B12 INDEPENDENT ISOZYME, COBALAMIN-INDEPENDENT METHIONINE SYNTHASE

 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 2NQ5)

(-) Sites  (0, 0)

(no "Site" information available for 2NQ5)

(-) SS Bonds  (1, 1)

Asymmetric/Biological Unit
No.Residues
1A:632 -A:715

(-) Cis Peptide Bonds  (0, 0)

(no "Cis Peptide Bond" information available for 2NQ5)

 Sequence-Structure Mapping

(-) SAPs(SNPs)/Variants  (0, 0)

(no "SAP(SNP)/Variant" information available for 2NQ5)

(-) PROSITE Motifs  (0, 0)

(no "PROSITE Motif" information available for 2NQ5)

(-) Exons   (0, 0)

(no "Exon" information available for 2NQ5)

(-) 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:706
 aligned with METE_STRMU | Q8CWX6 from UniProtKB/Swiss-Prot  Length:745

    Alignment length:742
                                    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       390       400       410       420       430       440       450       460       470       480       490       500       510       520       530       540       550       560       570       580       590       600       610       620       630       640       650       660       670       680       690       700       710       720       730       740  
           METE_STRMU     1 MTKVSSLGYPRLGENREWKKLIEAYWAGKVSKNDLFAGAKELRLDFLKKQLNAGLDLIPVGDFSLYDHILDLSVQFNIIPKRFAKEPIDIDLYFAIARGNKENVASSMKKWFNTNYHYIVPEWSKQRPKLNNNRLLDLYLEAREVVGDKAKPVITGPITYVALSTGVEDFTAAVKSLLPLYKQVFTELVKAGASYIQVDEPIFVTDEGKDYLQAAKAVYAYFAKEVPDAKFIFQTYFEGLIDSQVLSQLPVDAFGLDFVYGLEENLEAIKTGAFKGKEIFAGVIDGRNIWSSDFVKTSALLETIEEQSAALTIQPSCSLLHVPVTTKNETDLDPVLRNGLAFADEKLTEVKRLAEHLDGREDPAYDLHIAHFDALQAADFRNVKLEDLSRVATKRPSDFAKRRDIQQEKLHLPLLPTTTIGSFPQSREIRRTRLAWKRGDISDAEYKQFIQAEIERWIRIQEDLDLDVLVHGEFERVDMVEFFGQKLAGFTTTKFGWVQSYGSRAVKPPIIYGDVQHLEPITVEETVYAQSLTDRPVKGMLTGPITITNWSFERTDIPRDQLFNQIGLAIKDEIKLLENAGIAIIQVDEAALREGLPLRKSKQKAYLDDAVHAFHIATSSVKDETQIHTHMCYSKFDEIIDAIRALDADVISIETSRSHGDIIESFETAVYPLGIGLGVYDIHSPRVPTKEEVVANIERPLRQLSPTQFWVNPDCGLKTRQEPETIAALKVLVAATKEVRQK 742
               SCOP domains ---------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- SCOP domains
               CATH domains 2nq5A01 A:1-377,A:494-508  [code=3.20.20.210, no name defined]                                                                                                                                                                                                                                                                                                                           2nq5A02 A:378-493,A:509-742  [code=3.20.20.210,                  no name defined]                                   2nq5A01        2nq5A02 A:378-493,A:509-742  [code=3.20.20.210, no name defined]                                                                                                                                                                           CATH domains
               Pfam domains --Meth_synt_1-2nq5A01 A:3-309                                                                                                                                                                                                                                                                                        ---------------------------------------------------------------------------------------------------------Meth_synt_2                 -2nq5A02 A:415-738                                                                                                                                                                                                                                                                                      ---- Pfam domains
         Sec.struct. author ..ee...........hhhhhhhhhhhh...hhhhhhhhhhhhhhhhhhhhhhh....eee......hhhhhhhhhh...hhhhh....hhhhhhhhhhh........eee......eee.............hhhhhhhhhhhhhhh..eeeeeehhhhhhhh.....hhhhhhhhhhhhhhhhhhhhhhh...eeeee.hhhhhhhhhhhhhhhhhhhhhhhhhh...eeeee.......hhhhhh.....eeeee...hhhhhhhhhhh......eeeeeee........hhhhhhhhhhhhhhh..eeeeee..hhhhh..........hhhhhh...hhhhhhhhhhhhhhhhh....hhhhhhhhhhhhhhhhhhhh....hhhhh......hhhhhhhhhhhhhh..............-----------------hhhhhhhhhhhhhhhhhhhhhhh..............hhhhhh.eeeee......eeee..eee...eeeeeeee....hhhhhhhhhhh.....eeeeehhhhhhhhh......hhhhhhhhhhhhhhhhhhhhhhh...eeeeee.hhhhhh..hhhhhhhhhhhhhhhhhhhhh......eeeeee.......hhhhhhhhh..eeee-------------------.eeeee..........hhhhhhhhhhhhhhh.hhh.eeee........hhhhhhhhhhhhhhhhhhhhhh Sec.struct. author
                 SAPs(SNPs) ---------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- SAPs(SNPs)
                    PROSITE ---------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- PROSITE
                 Transcript ---------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- Transcript
                 2nq5 A   1 LTKVSSLGYPRLGENREWKKLIEAYWAGKVSKNDLFAGAKELRLDFLKKQLNAGLDLIPVGDFSLYDHILDLSVQFNIIPKRFAKEPIDIDLYFAIARGNKENVASSMKKWFNTNYHYIVPEWSKQRPKLNNNRLLDLYLEAREVVGDKAKPVITGPITYVALSTGVEDFTAAVKSLLPLYKQVFTELVKAGASYIQVDEPIFVTDEGKDYLQAAKAVYAYFAKEVPDAKFIFQTYFEGLIDSQVLSQLPVDAFGLDFVYGLEENLEAIKTGAFKGKEIFAGVIDGRNIWSSDFVKTSALLETIEEQSAALTIQPSCSLLHVPVTTKNETDLDPVLRNGLAFADEKLTEVKRLAEHLDGREDPAYDLHIAHFDALQAADFRNVKLEDLSRVATKRPSDFAKRRDIQQEKLHLPLLPTTTIGSFPQ-----------------DAEYKQFIQAEIERWIRIQEDLDLDVLVHGEFERVDMVEFFGQKLAGFTTTKFGWVQSYGSRAVKPPIIYGDVQHLEPITVEETVYAQSLTDRPVKGMLTGPITITNWSFERTDIPRDQLFNQIGLAIKDEIKLLENAGIAIIQVDEAALREGLPLRKSKQKAYLDDAVHAFHIATSSVKDETQIHTHMCYSKFDEIIDAIRALDADVISI-------------------LGIGLGVYDIHSPRVPTKEEVVANIERPLRQLSPTQFWVNPDCGLKTRQEPETIAALKVLVAATKEVRQK 742
                                    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       390       400       410       420    |    -         -  |    450       460       470       480       490       500       510       520       530       540       550       560       570       580       590       600       610       620       630       640       650  |      -         -  |    680       690       700       710       720       730       740  
                                                                                                                                                                                                                                                                                                                                                                                                                                                                  425               443                                                                                                                                                                                                               653                 673
   Legend:   → Mismatch (orange background)
  - → Gap (green background, '-', border residues have a numbering label)
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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  (0, 0)

(no "SCOP Domain" information available for 2NQ5)

(-) CATH Domains  (1, 2)

Asymmetric/Biological Unit
(-)
Class: Alpha Beta (26913)

(-) Pfam Domains  (2, 2)

Asymmetric/Biological Unit
(-)
Clan: Methionine_synt (18)

(-) Gene Ontology  (8, 8)

Asymmetric/Biological Unit(hide GO term definitions)
Chain A   (METE_STRMU | Q8CWX6)
molecular function
    GO:0003871    5-methyltetrahydropteroyltriglutamate-homocysteine S-methyltransferase activity    Catalysis of the reaction: 5-methyltetrahydropteroyltri-L-glutamate + L-homocysteine = L-methionine + tetrahydropteroyltri-L-glutamate.
    GO:0046872    metal ion binding    Interacting selectively and non-covalently with any metal ion.
    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.
    GO:0008270    zinc ion binding    Interacting selectively and non-covalently with zinc (Zn) ions.
biological process
    GO:0008652    cellular amino acid biosynthetic process    The chemical reactions and pathways resulting in the formation of amino acids, organic acids containing one or more amino substituents.
    GO:0009086    methionine biosynthetic process    The chemical reactions and pathways resulting in the formation of methionine (2-amino-4-(methylthio)butanoic acid), a sulfur-containing, essential amino acid found in peptide linkage in proteins.
    GO:0032259    methylation    The process in which a methyl group is covalently attached to a molecule.

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        METE_STRMU | Q8CWX6: 3l7r 3t0c

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