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(-) Description

Title :  CRYSTAL STRUCTURE OF SALICYLIC ACID CARBOXYL METHYLTRANSFERASE (SAMT)
 
Authors :  C. Zubieta, J. R. Ross, P. Koscheski, Y. Yang, E. Pichersky, J. P. Noel
Date :  16 Jul 02  (Deposition) - 09 Sep 03  (Release) - 24 Feb 09  (Revision)
Method :  X-RAY DIFFRACTION
Resolution :  3.00
Chains :  Asym. Unit :  X
Biol. Unit 1:  X  (2x)
Keywords :  Rossmann Fold, Protein-Small Molecule Complex, Transferase (Keyword Search: [Gene Ontology, PubMed, Web (Google))
 
Reference :  C. Zubieta, J. R. Ross, P. Koscheski, Y. Yang, E. Pichersky, J. P. Noel
Structural Basis For Substrate Recognition In The Salicylic Acid Carboxyl Methyltransferase Family
Plant Cell V. 15 1704 2003
PubMed-ID: 12897246  |  Reference-DOI: 10.1105/TPC.014548
(for further references see the PDB file header)

(-) Compounds

Molecule 1
    ChainsX
    EngineeredYES
    Expression SystemESCHERICHIA COLI
    Expression System PlasmidPET28
    Expression System Taxid562
    Expression System Vector TypePLASMID
    Organism ScientificCLARKIA BREWERI
    Organism Taxid36903

 Structural Features

(-) Chains, Units

  1
Asymmetric Unit X
Biological Unit 1 (2x)X

Summary Information (see also Sequences/Alignments below)

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

Asymmetric Unit (3, 3)
No.NameCountTypeFull Name
1LU1Ligand/IonLUTETIUM (III) ION
2SAH1Ligand/IonS-ADENOSYL-L-HOMOCYSTEINE
3SAL1Ligand/Ion2-HYDROXYBENZOIC ACID
Biological Unit 1 (2, 4)
No.NameCountTypeFull Name
1LU-1Ligand/IonLUTETIUM (III) ION
2SAH2Ligand/IonS-ADENOSYL-L-HOMOCYSTEINE
3SAL2Ligand/Ion2-HYDROXYBENZOIC ACID

(-) Sites  (2, 2)

Asymmetric Unit (2, 2)
No.NameEvidenceResiduesDescription
1AC1SOFTWAREHIS X:8 , LYS X:10 , TYR X:18 , GLN X:25 , ILE X:29 , GLY X:59 , SER X:61 , ASN X:65 , ASN X:97 , ASP X:98 , LEU X:99 , GLY X:128 , SER X:129 , PHE X:130 , SER X:146 , TYR X:147 , SER X:148BINDING SITE FOR RESIDUE SAH X 2814
2AC2SOFTWAREGLN X:25 , TRP X:151 , TYR X:255 , MET X:308 , VAL X:311BINDING SITE FOR RESIDUE SAL X 2000

(-) SS Bonds  (0, 0)

(no "SS Bond" information available for 1M6E)

(-) Cis Peptide Bonds  (0, 0)

(no "Cis Peptide Bond" information available for 1M6E)

 Sequence-Structure Mapping

(-) SAPs(SNPs)/Variants  (0, 0)

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(-) PROSITE Motifs  (0, 0)

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(-) Exons   (0, 0)

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(-) 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
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Chain X from PDB  Type:PROTEIN  Length:359
 aligned with SAMT_CLABR | Q9SPV4 from UniProtKB/Swiss-Prot  Length:359

    Alignment length:359
                                    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         
           SAMT_CLABR     1 MDVRQVLHMKGGAGENSYAMNSFIQRQVISITKPITEAAITALYSGDTVTTRLAIADLGCSSGPNALFAVTELIKTVEELRKKMGRENSPEYQIFLNDLPGNDFNAIFRSLPIENDVDGVCFINGVPGSFYGRLFPRNTLHFIHSSYSLMWLSQVPIGIESNKGNIYMANTCPQSVLNAYYKQFQEDHALFLRCRAQEVVPGGRMVLTILGRRSEDRASTECCLIWQLLAMALNQMVSEGLIEEEKMDKFNIPQYTPSPTEVEAEILKEGSFLIDHIEASEIYWSSCTKDGDGGGSVEEEGYNVARCMRAVAEPLLLDHFGEAIIEDVFHRYKLLIIERMSKEKTKFINVIVSLIRKSD 359
               SCOP domains d1m6ex_ X: Salicylic acid carboxyl methyltransferase (SAMT)                                                                                                                                                                                                                                                                                                             SCOP domains
               CATH domains --------------------1m6eX02 X:21-153,X:180-213,X:253-283,X:344-359 Vaccinia Virus protein VP39                                                           --------------------------1m6eX02                           ---------------------------------------1m6eX02                        ------------------------------------------------------------1m6eX02          CATH domains
               Pfam domains -----------------------------------Methyltransf_7-1m6eX01 X:36-357                                                                                                                                                                                                                                                                                                   -- Pfam domains
         Sec.struct. author ..hhhhhh.............hhhhhhhhhhhhhhhhhhhhhhhh......ee..eee.........hhhhhhhhhhhhhhhh.......eeeeeeee....hhhhhhh...........eeeeeee...............eeee.................................hhhhhhhhhhhhhhhhhhhh....eeeeeeee..............hhhhhhhhhhhhhh.......hhhhh.......hhhhhhhhhhh.....eeeeeeeee..................hhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhh...eeeeeeeeee.... Sec.struct. author
                 SAPs(SNPs) ----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- SAPs(SNPs)
                    PROSITE ----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- PROSITE
                 Transcript ----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- Transcript
                 1m6e X   1 MDVRQVLHMKGGAGENSYAMNSFIQRQVISITKPITEAAITALYSGDTVTTRLAIADLGCSSGPNALFAVTELIKTVEELRKKMGRENSPEYQIFLNDLPGNDFNAIFRSLPIENDVDGVCFINGVPGSFYGRLFPRNTLHFIHSSYSLMWLSQVPIGIESNKGNIYMANTCPQSVLNAYYKQFQEDHALFLRCRAQEVVPGGRMVLTILGRRSEDRASTECCLIWQLLAMALNQMVSEGLIEEEKMDKFNIPQYTPSPTEVEAEILKEGSFLIDHIEASEIYWSSCTKDGDGGGSVEEEGYNVARCMRAVAEPLLLDHFGEAIIEDVFHRYKLLIIERMSKEKTKFINVIVSLIRKSD 359
                                    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         

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 Classification and Annotation

(-) SCOP Domains  (1, 1)

Asymmetric Unit

(-) CATH Domains  (1, 1)

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

(-) Pfam Domains  (1, 1)

Asymmetric Unit

(-) Gene Ontology  (4, 4)

Asymmetric Unit(hide GO term definitions)
Chain X   (SAMT_CLABR | Q9SPV4)
molecular function
    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.
biological process
    GO:0032259    methylation    The process in which a methyl group is covalently attached to a molecule.

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