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(-) Description

Title :  CRYSTAL STRUCTURE OF THE HYDROXYLAMINE MTMB COMPLEX
 
Authors :  B. Hao, G. Zhao, P. T. Kang, J. A. Soares, T. K. Ferguson, J. Gallucci, J. A M. K. Chan
Date :  26 Jun 04  (Deposition) - 19 Oct 04  (Release) - 16 Nov 11  (Revision)
Method :  X-RAY DIFFRACTION
Resolution :  2.00
Chains :  Asym. Unit :  A
Biol. Unit 1:  A  (6x)
Keywords :  Tim Barrel, Transferase (Keyword Search: [Gene Ontology, PubMed, Web (Google)] )
 
Reference :  B. Hao, G. Zhao, P. T. Kang, J. A. Soares, T. K. Ferguson, J. Gallucci, J. A. Krzycki, M. K. Chan
Reactivity And Chemical Synthesis Of L-Pyrrolysine- The 22(Nd) Genetically Encoded Amino Acid
Chem. Biol. V. 11 1317 2004
PubMed-ID: 15380192  |  Reference-DOI: 10.1016/J.CHEMBIOL.2004.07.011

(-) Compounds

Molecule 1 - MONOMETHYLAMINE METHYLTRANSFERASE MTMB1
    Chains: A
    EC Number: 2.1.1.-
    Organism Scientific: METHANOSARCINA BARKERI
    Organism Taxid: 2208
    Strain: MS
    Synonym: MMA METHYLTRANSFERASE 1, MMAMT 1

 Structural Features

(-) Chains, Units

  1
Asymmetric Unit : A
Biological Unit 1 (6x): A

Summary Information (see also Sequences/Alignments below)

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

Asymmetric Unit (1, 1)
No.NameCountTypeFull Name
1BG51Ligand/Ion5-HYDROXYAMINO-3-METHYL-PYRROLIDINE-2-CARBOXYLIC ACID
Biological Unit 1 (1, 6)
No.NameCountTypeFull Name
1BG56Ligand/Ion5-HYDROXYAMINO-3-METHYL-PYRROLIDINE-2-CARBOXYLIC ACID

(-) Sites  (1, 1)

Asymmetric Unit (1, 1)
No.NameEvidenceResiduesDescription
1AC1SOFTWARETHR A:131 , VAL A:157 , LYS A:202 , GLU A:205 , GLU A:229 , MET A:257 , GLU A:259 , LEU A:295 , GLN A:333 , TYR A:335 , SER A:365 , HOH A:663 , HOH A:795BINDING SITE FOR RESIDUE BG5 A 459

(-) SS Bonds  (1, 1)

Asymmetric Unit
No.Residues
1A:341 -A:428

(-) Cis Peptide Bonds  (3, 3)

Asymmetric Unit
No.Residues
1Gly A:203 -Pro A:204
2Asn A:234 -Glu A:235
3Gly A:366 -Val A:367

 Sequence-Structure Mapping

(-) SAPs(SNPs)/Variants  (2, 2)

Asymmetric Unit (2, 2)
  dbSNPPDB
No.SourceVariant IDVariantUniProt IDStatusIDChainVariant
1UniProtVAR_MTMB1_METBA_001 *A36SMTMB1_METBA  ---  ---AA36S
2UniProtVAR_MTMB1_METBA_002 *G219AMTMB1_METBA  ---  ---AT220A
   * ID not provided by source
  SNP/SAP Summary Statistics (UniProtKB/Swiss-Prot)
Biological Unit 1 (2, 12)
  dbSNPPDB
No.SourceVariant IDVariantUniProt IDStatusIDChainVariant
1UniProtVAR_MTMB1_METBA_001 *A36SMTMB1_METBA  ---  ---AA36S
2UniProtVAR_MTMB1_METBA_002 *G219AMTMB1_METBA  ---  ---AT220A
   * ID not provided by source
  SNP/SAP Summary Statistics (UniProtKB/Swiss-Prot)

(-) PROSITE Motifs  (0, 0)

(no "PROSITE Motif" information available for 1TV2)

(-) Exons   (0, 0)

(no "Exon" information available for 1TV2)

(-) 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:457
 aligned with MTMB1_METBA | O30642 from UniProtKB/Swiss-Prot  Length:458

    Alignment length:457
                                                                                                                                                                                                                                   202                                                                                                                                                                                                                                                               
                                                                                                                                                                                                                                 201 |                                                                                                                                                                                                                                                               
                                    11        21        31        41        51        61        71        81        91       101       111       121       131       141       151       161       171       181       191       201 |     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       
          MTMB1_METBA     2 TFRKSFDCYDFYDRAKVGEKCTQDDWDLMKIPMKAMELKQKYGLDFKGEFIPTDKDMMEKLFKAGFEMLLECGIYCTDTHRIVKYTEDEIWDAINNVQKEFVLGTGRDAVNVRKRSVGDKAKPIVQGGPTGSPISEDVFMPVHMSYALEKEVDTIVNGVMTSVRGKSPIPKSPYEVLAAKTETRLIKNACAMAGRPGMGV-GPETSLSAQGNISADCTGGMTCTDSHEVSQLNELKIDLDAISVIAHYKGNSDIIMDEQMPIFGGYAGGIEETTIVDVATHINAVLMSSASWHLDGPVHIRWGSTNTRETLMIAGWACATISEFTDILSGNQYYPCAGPCTEMCLLEASAQSITDTASGREILSGVASAKGVVTDKTTGMEARMMGEVARATAGVEISEVNVILDKLVSLYEKNYASAPAGKTFQECYDVKTVTPTEEYMQVYDGARKKLEDLGLVF 457
               SCOP domains d1tv2a_ A: Monomethylamine methyltransferase MtmB                                                                                                                                                                                                                                                                                                                                                                                                                         SCOP domains
               CATH domains ------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- CATH domains
               Pfam domains ------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- Pfam domains
         Sec.struct. author ......hhhhhhhhhhhhee.hhhhhhhhhhhhhhhhhhhhh...........hhhhhhhhhhhhhhhhhhhheee....eee..hhhhhhhhhh....eeee.hhhhheeee..........eeee.....eehhhhhhhhhhhhhh.....eee..ee...........hhhhhhhhhhhhhhhhhhhhhh......eee.....hhhhhhh...........eeeee.....eehhhhhhhhhhhhhh..eeeee...ee.....hhhhhhhhhhhhhhhhhhhh...eeee..ee.......hhhhhhhhhhhhhhhhhhh...eeee........hhhhhhhhhhhhhhhhhhh..eeee..hhhhh.....hhhhhhhhhhhhhhhh..hhhhhhhhhhhhhhh............hhhhhee....eehhhhhhhhhhhhhhhhhh.... Sec.struct. author
                 SAPs(SNPs) ----------------------------------S-------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- SAPs(SNPs)
                    PROSITE ------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- PROSITE
                 Transcript ------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- Transcript
                 1tv2 A   2 TFRKSFDCYDFYDRAKVGEKCTQDDWDLMKIPMKAMELKQKYGLDFKGEFIPTDKDMMEKLFKAGFEMLLECGIYCTDTHRIVKYTEDEIWDAINNVQKEFVLGTGRDAVNVRKRSVGDKAKPIVQGGPTGSPISEDVFMPVHMSYALEKEVDTIVNGVMTSVRGKSPIPKSPYEVLAAKTETRLIKNACAMAGRPGMGVKGPETSLSAQGNISADCTGGMTCTDSHEVSQLNELKIDLDAISVIAHYKGNSDIIMDEQMPIFGGYAGGIEETTIVDVATHINAVLMSSASWHLDGPVHIRWGSTNTRETLMIAGWACATISEFTDILSGNQYYPCAGPCTEMCLLEASAQSITDTASGREILSGVASAKGVVTDKTTGMEARMMGEVARATAGVEISEVNVILDKLVSLYEKNYASAPAGKTFQECYDVKTVTPTEEYMQVYDGARKKLEDLGLVF 458
                                    11        21        31        41        51        61        71        81        91       101       111       121       131       141       151       161       171       181       191       201       211       221       231       241       251       261       271       281       291       301       311       321       331       341       351       361       371       381       391       401       411       421       431       441       451
   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 1TV2)

(-) Pfam Domains  (0, 0)

(no "Pfam Domain" information available for 1TV2)

(-) Gene Ontology  (5, 5)

Asymmetric Unit(hide GO term definitions)
Chain A   (MTMB1_METBA | O30642)
molecular function
    GO:0008168    methyltransferase activity    Catalysis of the transfer of a methyl group to an acceptor molecule.
    GO:0043852    monomethylamine methyltransferase activity    Catalysis of the reaction: monomethylamine + a monomethylamine corrinoid protein = a methylated monomethylamine corrinoid protein + NH3.
    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:0015948    methanogenesis    The chemical reactions and pathways resulting in the formation of methane, a colorless, odorless, flammable gas with the formula CH4. It is the simplest of the alkanes.
    GO:0032259    methylation    The process in which a methyl group is covalently attached to a molecule.

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 Related Entries

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

UniProtKB/Swiss-Prot
        MTMB1_METBA | O30642: 1l2q 1nth 1tv3 1tv4

(-) Related Entries Specified in the PDB File

1l2q 1nth