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(-) Description

Title :  STRUCTURE OF A O-METHYLTRANSFERASE FROM COXIELLA BURNETII
 
Authors :  J. Cheung, M. C. Franklin, M. Rudolph, M. Cassidy, E. Gary, F. Burshteyn
Date :  09 Sep 11  (Deposition) - 28 Sep 11  (Release) - 10 Feb 16  (Revision)
Method :  X-RAY DIFFRACTION
Resolution :  2.70
Chains :  Asym. Unit :  A
Biol. Unit 1:  A  (2x)
Keywords :  Cellular Processes, Transferase (Keyword Search: [Gene Ontology, PubMed, Web (Google)] )
 
Reference :  M. C. Franklin, J. Cheung, M. J. Rudolph, F. Burshteyn, M. Cassidy, E. Gary, B. Hillerich, Z. K. Yao, P. R. Carlier, M. Totrov, J. D. Love
Structural Genomics For Drug Design Against The Pathogen Coxiella Burnetii.
Proteins V. 83 2124 2015
PubMed-ID: 26033498  |  Reference-DOI: 10.1002/PROT.24841

(-) Compounds

Molecule 1 - O-METHYLTRANSFERASE
    Chains: A
    EC Number: 2.1.1.-
    Engineered: YES
    Expression System: ESCHERICHIA COLI
    Expression System Plasmid: PET
    Expression System Strain: BL21(DE3)
    Expression System Taxid: 469008
    Expression System Vector Type: PLASMID
    Gene: CBU_0924
    Organism Scientific: COXIELLA BURNETII
    Organism Taxid: 777
    Strain: RSA493

 Structural Features

(-) Chains, Units

  1
Asymmetric Unit : A
Biological Unit 1 (2x): A

Summary Information (see also Sequences/Alignments below)

(-) Ligands, Modified Residues, Ions  (3, 7)

Asymmetric Unit (3, 7)
No.NameCountTypeFull Name
1MSE5Mod. Amino AcidSELENOMETHIONINE
2NI1Ligand/IonNICKEL (II) ION
3SAH1Ligand/IonS-ADENOSYL-L-HOMOCYSTEINE
Biological Unit 1 (2, 12)
No.NameCountTypeFull Name
1MSE10Mod. Amino AcidSELENOMETHIONINE
2NI-1Ligand/IonNICKEL (II) ION
3SAH2Ligand/IonS-ADENOSYL-L-HOMOCYSTEINE

(-) Sites  (2, 2)

Asymmetric Unit (2, 2)
No.NameEvidenceResiduesDescription
1AC1SOFTWAREASP A:144 , ASP A:170 , ASN A:171 , HOH A:258BINDING SITE FOR RESIDUE NI A 223
2AC2SOFTWAREMSE A:43 , GLN A:44 , THR A:45 , GLY A:69 , PHE A:71 , TYR A:74 , SER A:75 , ASP A:93 , VAL A:94 , PRO A:121 , ALA A:122 , ASP A:144 , ALA A:145 , ASP A:146 , TYR A:153 , HOH A:232 , HOH A:259 , HOH A:292 , HOH A:297BINDING SITE FOR RESIDUE SAH A 224

(-) SS Bonds  (0, 0)

(no "SS Bond" information available for 3TR6)

(-) Cis Peptide Bonds  (1, 1)

Asymmetric Unit
No.Residues
1Ser A:2 -Ile A:3

 Sequence-Structure Mapping

(-) SAPs(SNPs)/Variants  (0, 0)

(no "SAP(SNP)/Variant" information available for 3TR6)

(-) PROSITE Motifs  (0, 0)

(no "PROSITE Motif" information available for 3TR6)

(-) Exons   (0, 0)

(no "Exon" information available for 3TR6)

(-) Sequences/Alignments

Asymmetric 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:222
 aligned with Q83D22_COXBU | Q83D22 from UniProtKB/TrEMBL  Length:222

    Alignment length:222
                                    10        20        30        40        50        60        70        80        90       100       110       120       130       140       150       160       170       180       190       200       210       220  
         Q83D22_COXBU     1 MSINTTLLTPELYQYLLQVSLREPPLLAELREETTRSFSTYAMQTAPEQAQLLALLVKLMQAKKVIDIGTFTGYSAIAMGLALPKDGTLITCDVDEKSTALAKEYWEKAGLSDKIGLRLSPAKDTLAELIHAGQAWQYDLIYIDADKANTDLYYEESLKLLREGGLIAVDNVLRRGQVADEENQSENNQLIRLFNQKVYKDERVDMILIPIGDGLTLARKKS 222
               SCOP domains d3tr6a_ A: automated matches                                                                                                                                                                                                   SCOP domains
               CATH domains ------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------ CATH domains
               Pfam domains ------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------ Pfam domains
         Sec.struct. author ........hhhhhhhhhhh....hhhhhhhhhhhhhhh.hhhhh.hhhhhhhhhhhhhhhh..eeeee....hhhhhhhhh......eeeeee.hhhhhhhhhhhhhhh.....eeeee.hhhhhhhhhhh......eeeeee..hhhhhhhhhhhhhhheeeeeeeeee..hhhhhhhh....hhhhhhhhhhhhhhhhh..eeeeee.....eeeeee.. Sec.struct. author
                 SAPs(SNPs) ------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------ SAPs(SNPs)
                    PROSITE ------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------ PROSITE
                 Transcript ------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------ Transcript
                 3tr6 A   1 mSINTTLLTPELYQYLLQVSLREPPLLAELREETTRSFSTYAmQTAPEQAQLLALLVKLmQAKKVIDIGTFTGYSAIAmGLALPKDGTLITCDVDEKSTALAKEYWEKAGLSDKIGLRLSPAKDTLAELIHAGQAWQYDLIYIDADKANTDLYYEESLKLLREGGLIAVDNVLRRGQVADEENQSENNQLIRLFNQKVYKDERVDmILIPIGDGLTLARKKS 222
                            |       10        20        30        40  |     50        60        70        80        90       100       110       120       130       140       150       160       170       180       190       200     | 210       220  
                            |                                        43-MSE           60-MSE             79-MSE                                                                                                                        206-MSE            
                            1-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 Unit
(-)
Class: Alpha and beta proteins (a/b) (23833)

(-) CATH Domains  (0, 0)

(no "CATH Domain" information available for 3TR6)

(-) Pfam Domains  (0, 0)

(no "Pfam Domain" information available for 3TR6)

(-) Gene Ontology  (4, 4)

Asymmetric Unit(hide GO term definitions)
Chain A   (Q83D22_COXBU | Q83D22)
molecular function
    GO:0008171    O-methyltransferase activity    Catalysis of the transfer of a methyl group to the oxygen atom of an acceptor molecule.
    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.

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  3tr6
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