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(-) Description

Title :  THE STRUCTURE OF AN AS(III) S-ADENOSYLMETHIONINE METHYLTRANSFERASE: INSIGHTS INTO THE MECHANISM OF ARSENIC BIOTRANSFORMATION
 
Authors :  A. A. Ajees, K. Marapakala, C. Packianathan, B. Sankaran, B. P. Rosen
Date :  27 Jun 12  (Deposition) - 11 Jul 12  (Release) - 03 Oct 12  (Revision)
Method :  X-RAY DIFFRACTION
Resolution :  1.78
Chains :  Asym./Biol. Unit :  A
Keywords :  Rossmann Fold, Arsenic Methyltransferase, Transferase (Keyword Search: [Gene Ontology, PubMed, Web (Google)] )
 
Reference :  A. A. Ajees, K. Marapakala, C. Packianathan, B. Sankaran, B. P. Rosen
Structure Of An As(Iii) S-Adenosylmethionine Methyltransferase: Insights Into The Mechanism Of Arsenic Biotransformation.
Biochemistry V. 51 5476 2012
PubMed-ID: 22712827  |  Reference-DOI: 10.1021/BI3004632
(for further references see the PDB file header)

(-) Compounds

Molecule 1 - ARSENIC METHYLTRANSFERASE
    Chains: A
    Engineered: YES
    Expression System: ESCHERICHIA COLI
    Expression System Plasmid: PET28-ASRM7B
    Expression System Strain: BL21(DE3)
    Expression System Taxid: 469008
    Expression System Vector Type: PLASMID
    Fragment: UNP RESIDUES 1-370
    Gene: ARSM
    Organism Scientific: CYANIDIOSCHYZON SP. 5508
    Organism Taxid: 610260
    Strain: 5508

 Structural Features

(-) Chains, Units

  1
Asymmetric/Biological Unit : A

Summary Information (see also Sequences/Alignments below)

(-) Ligands, Modified Residues, Ions  (1, 1)

Asymmetric/Biological Unit (1, 1)
No.NameCountTypeFull Name
1CA1Ligand/IonCALCIUM ION

(-) Sites  (1, 1)

Asymmetric Unit (1, 1)
No.NameEvidenceResiduesDescription
1AC1SOFTWAREGLY A:91 , HOH A:511 , HOH A:552 , HOH A:751 , HOH A:753 , HOH A:757 , HOH A:787BINDING SITE FOR RESIDUE CA A 401

(-) SS Bonds  (0, 0)

(no "SS Bond" information available for 4FS8)

(-) Cis Peptide Bonds  (1, 1)

Asymmetric/Biological Unit
No.Residues
1Glu A:158 -Pro A:159

 Sequence-Structure Mapping

(-) SAPs(SNPs)/Variants  (0, 0)

(no "SAP(SNP)/Variant" information available for 4FS8)

(-) PROSITE Motifs  (0, 0)

(no "PROSITE Motif" information available for 4FS8)

(-) Exons   (0, 0)

(no "Exon" information available for 4FS8)

(-) 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:323
                                                                                                                                                                                                                                                                                                                                                                   
               SCOP domains ----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- SCOP domains
               CATH domains ----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- CATH domains
               Pfam domains ----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- Pfam domains
         Sec.struct. author .hhhhhhhhhh.hhhhhhhh........hhhhhh..eeeee....hhhhhhhhhhhh...eeeeee.hhhhhhhhhhhhhhhhhhhhh......eeeee....hhhhh.........eeeeeee.hhhhh.hhhhhhhhhhhheeeeeeeeeeeeee....hhhhhhhhhhhhh.....eehhhhhhhhhhh....eeeeeeeee...hhhhhh......eeeeeeeee.............eeeee......eee.....eee...eeeehhhhhhhhhhhhhhh.eee..............hhhhhh.hhhhhhhhhhh. Sec.struct. author
                 SAPs(SNPs) ----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- SAPs(SNPs)
                    PROSITE ----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- PROSITE
                 Transcript ----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- Transcript
                 4fs8 A  50 VPESHRKILADIADEVLEKFYGCGSTLPADGSLEGATVLDLGCGTGRDVYLASKLVGEHGKVIGVDMLDNQLEVARKYVEYHAEKFFGSPSRSNVRFLKGFIENLATAEPEGVPDSSVDIVISNCVCNLSTNKLALFKEIHRVLRDGGELYFSDVYADRRLSEAAQQDPILYGECLGGALYLEDFRRLVAEAGFRDVRLVSVGPVDVSDPQLRKLVPDVQFYSCTFRCFKVATLEATREDYGQSATYLGGIGEEFKLDRFFTFPREKPVRVDRNTAEIIRHSRLHQWFSVSAEQQHMGLFKANDSYALLHAPLSMQVEQLVSG 372
                                    59        69        79        89        99       109       119       129       139       149       159       169       179       189       199       209       219       229       239       249       259       269       279       289       299       309       319       329       339       349       359       369
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  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 4FS8)

(-) CATH Domains  (0, 0)

(no "CATH Domain" information available for 4FS8)

(-) Pfam Domains  (0, 0)

(no "Pfam Domain" information available for 4FS8)

(-) Gene Ontology  (6, 6)

Asymmetric/Biological Unit(hide GO term definitions)

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 Related Entries

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

UniProtKB/Swiss-Prot
        C0JV69_9RHOD | C0JV69: 5jwn 5jx7
UniProtKB/TrEMBL
        C0JV69_9RHOD | C0JV69: 4fr0 4fsd 4kw7 4rsr 5eg5

(-) Related Entries Specified in the PDB File

4fr0 ARSM WITH SAM-BOUND
4fsd ARSM WITH AS(III)