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(-) Description

Title :  OROTIDINE MONOPHOSPHATE DECARBOXYLASE MUTANT S127A CRYSTAL STRUCTURE
 
Authors :  N. Wu, W. Gillon, E. F. Pai
Date :  13 Dec 01  (Deposition) - 28 Jun 02  (Release) - 24 Feb 09  (Revision)
Method :  X-RAY DIFFRACTION
Resolution :  1.60
Chains :  Asym./Biol. Unit :  A,B
Keywords :  Tim Barrel, Lyase (Keyword Search: [Gene Ontology, PubMed, Web (Google)] )
 
Reference :  N. Wu, W. Gillon, E. F. Pai
Mapping The Active Site-Ligand Interactions Of Orotidine 5'-Monophosphate Decarboxylase By Crystallography.
Biochemistry V. 41 4002 2002
PubMed-ID: 11900543  |  Reference-DOI: 10.1021/BI015758P
(for further references see the PDB file header)

(-) Compounds

Molecule 1 - OROTIDINE 5'-PHOSPHATE DECARBOXYLASE
    Chains: A, B
    EC Number: 4.1.1.23
    Engineered: YES
    Expression System: ESCHERICHIA COLI
    Expression System Plasmid: PET15B
    Expression System Taxid: 562
    Expression System Vector Type: PLASMID
    Mutation: YES
    Organism Scientific: METHANOTHERMOBACTER THERMAUTOTROPHICUS
    Organism Taxid: 145262
    Synonym: OMP DECARBOXYLASE;
OMPDCASE

 Structural Features

(-) Chains, Units

  12
Asymmetric/Biological Unit : AB

Summary Information (see also Sequences/Alignments below)

(-) Ligands, Modified Residues, Ions  (1, 2)

Asymmetric/Biological Unit (1, 2)
No.NameCountTypeFull Name
1UP62Ligand/Ion6-AZA URIDINE 5'-MONOPHOSPHATE

(-) Sites  (2, 2)

Asymmetric Unit (2, 2)
No.NameEvidenceResiduesDescription
1AC1SOFTWAREASP A:20 , LYS A:42 , ASP A:70 , LYS A:72 , MET A:126 , ALA A:127 , PRO A:180 , GLN A:185 , GLY A:202 , ARG A:203 , HOH A:3002 , HOH A:3007 , HOH A:3014 , HOH A:3015 , HOH A:3017 , HOH A:3047 , ASP B:75 , ILE B:76 , THR B:79BINDING SITE FOR RESIDUE UP6 A 5001
2AC2SOFTWAREASP A:75 , ILE A:76 , THR A:79 , ASP B:20 , LYS B:42 , ASP B:70 , LYS B:72 , MET B:126 , ALA B:127 , PRO B:180 , GLN B:185 , GLY B:202 , ARG B:203 , HOH B:3004 , HOH B:3010 , HOH B:3019 , HOH B:3020 , HOH B:3031 , HOH B:3196BINDING SITE FOR RESIDUE UP6 B 5002

(-) SS Bonds  (0, 0)

(no "SS Bond" information available for 1KM1)

(-) Cis Peptide Bonds  (0, 0)

(no "Cis Peptide Bond" information available for 1KM1)

 Sequence-Structure Mapping

(-) SAPs(SNPs)/Variants  (0, 0)

(no "SAP(SNP)/Variant" information available for 1KM1)

(-) PROSITE Motifs  (1, 2)

Asymmetric/Biological Unit (1, 2)
 PROSITEUniProtKBPDB
No.IDACDescriptionIDLocationCountLocation
1OMPDECASEPS00156 Orotidine 5'-phosphate decarboxylase active site.PYRF_METTH67-80
 		  2A:67-80
B:67-80

(-) Exons   (0, 0)

(no "Exon" information available for 1KM1)

(-) 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:212
 aligned with PYRF_METTH | O26232 from UniProtKB/Swiss-Prot  Length:228

    Alignment length:212
                                    20        30        40        50        60        70        80        90       100       110       120       130       140       150       160       170       180       190       200       210       220  
           PYRF_METTH    11 VMNRLILAMDLMNRDDALRVTGEVREYIDTVKIGYPLVLSEGMDIIAEFRKRFGCRIIADFKVADIPETNEKICRATFKAGADAIIVHGFRGADSVRACLNVAEEMGREVFLLTEMSHPGAEMFIQGAADEIARMGVDLGVKNYVGPSTRPERLSRLREIIGQDSFLISPGVGAQGGDPGETLRFADAIIVGRSIYLADNPAAAAAGIIESI 222
               SCOP domains d1km1a_ A: Orotidine 5'-monophosphate decarboxylase (OMP decarboxylase)                                                                                                                                              SCOP domains
               CATH domains 1km1A00 A:11-222 Aldolase class I                                                                                                                                                                                    CATH domains
               Pfam domains -------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- Pfam domains
         Sec.struct. author hhh.eeeee...hhhhhhhhhhhhh....eeeeehhhhhhhhhhhhhhhhhhhh.eeeeeeee..hhhhhhhhhhhhhhh...eeeee...hhhhhhhhhhhhhhhh.eeeee....hhhhhhhhhhhhhhhhhhhhhhh..eee....hhhhhhhhhhhhh...eeee........hhhhhh....eeeehhhhhh..hhhhhhhhhhhhh Sec.struct. author
                 SAPs(SNPs) -------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- SAPs(SNPs)
                    PROSITE --------------------------------------------------------OMPDECASE     ---------------------------------------------------------------------------------------------------------------------------------------------- PROSITE
                 Transcript -------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- Transcript
                 1km1 A  11 VMNRLILAMDLMNRDDALRVTGEVREYIDTVKIGYPLVLSEGMDIIAEFRKRFGCRIIADFKVADIPETNEKICRATFKAGADAIIVHGFPGADSVRACLNVAEEMGREVFLLTEMAHPGAEMFIQGAADEIARMGVDLGVKNYVGPSTRPERLSRLREIIGQDSFLISPGVGAQGGDPGETLRFADAIIVGRSIYLADNPAAAAAGIIESI 222
                                    20        30        40        50        60        70        80        90       100       110       120       130       140       150       160       170       180       190       200       210       220  


Chain B from PDB  Type:PROTEIN  Length:211
 aligned with PYRF_METTH | O26232 from UniProtKB/Swiss-Prot  Length:228

    Alignment length:211
                                    20        30        40        50        60        70        80        90       100       110       120       130       140       150       160       170       180       190       200       210       220 
           PYRF_METTH    11 VMNRLILAMDLMNRDDALRVTGEVREYIDTVKIGYPLVLSEGMDIIAEFRKRFGCRIIADFKVADIPETNEKICRATFKAGADAIIVHGFRGADSVRACLNVAEEMGREVFLLTEMSHPGAEMFIQGAADEIARMGVDLGVKNYVGPSTRPERLSRLREIIGQDSFLISPGVGAQGGDPGETLRFADAIIVGRSIYLADNPAAAAAGIIES 221
               SCOP domains d1km1b_ B: Orotidine 5'-monophosphate decarboxylase (OMP decarboxylase)                                                                                                                                             SCOP domains
               CATH domains 1km1B00 B:11-221 Aldolase class I                                                                                                                                                                                   CATH domains
           Pfam domains (1) --OMPdecase-1km1B01 B:13-218                                                                                                                                                                                    --- Pfam domains (1)
           Pfam domains (2) --OMPdecase-1km1B02 B:13-218                                                                                                                                                                                    --- Pfam domains (2)
         Sec.struct. author hhh.eeeee...hhhhhhhhhhhhh....eeeeehhhhhhhhhhhhhhhhhhhh.eeeeeeee..hhhhhhhhhhhhhhh...eeeee...hhhhhhhhhhhhhhhh.eeeee....hhhhhhhhhhhhhhhhhhhhhhh..eee....hhhhhhhhhhhhh...eeee........hhhhhh....eeeehhhhhh..hhhhhhhhhhhh Sec.struct. author
                 SAPs(SNPs) ------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- SAPs(SNPs)
                    PROSITE --------------------------------------------------------OMPDECASE     --------------------------------------------------------------------------------------------------------------------------------------------- PROSITE
                 Transcript ------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- Transcript
                 1km1 B  11 VMNRLILAMDLMNRDDALRVTGEVREYIDTVKIGYPLVLSEGMDIIAEFRKRFGCRIIADFKVADIPETNEKICRATFKAGADAIIVHGFPGADSVRACLNVAEEMGREVFLLTEMAHPGAEMFIQGAADEIARMGVDLGVKNYVGPSTRPERLSRLREIIGQDSFLISPGVGAQGGDPGETLRFADAIIVGRSIYLADNPAAAAAGIIES 221
                                    20        30        40        50        60        70        80        90       100       110       120       130       140       150       160       170       180       190       200       210       220
   Legend:   → Mismatch (orange background)
  - → Gap (green background, '-', border residues have a numbering label)
    → Modified Residue (blue background, lower-case, 'x' indicates undefined single-letter code, labelled with number + name)
  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, 2)

Asymmetric/Biological Unit
(-)
Class: Alpha and beta proteins (a/b) (23833)

(-) CATH Domains  (1, 2)

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

(-) Pfam Domains  (1, 2)

Asymmetric/Biological Unit
(-)
Clan: TIM_barrel (694)

(-) Gene Ontology  (8, 8)

Asymmetric/Biological Unit(hide GO term definitions)
Chain A,B   (PYRF_METTH | O26232)
molecular function
    GO:0016831    carboxy-lyase activity    Catalysis of the nonhydrolytic addition or removal of a carboxyl group to or from a compound.
    GO:0003824    catalytic activity    Catalysis of a biochemical reaction at physiological temperatures. In biologically catalyzed reactions, the reactants are known as substrates, and the catalysts are naturally occurring macromolecular substances known as enzymes. Enzymes possess specific binding sites for substrates, and are usually composed wholly or largely of protein, but RNA that has catalytic activity (ribozyme) is often also regarded as enzymatic.
    GO:0016829    lyase activity    Catalysis of the cleavage of C-C, C-O, C-N and other bonds by other means than by hydrolysis or oxidation, or conversely adding a group to a double bond. They differ from other enzymes in that two substrates are involved in one reaction direction, but only one in the other direction. When acting on the single substrate, a molecule is eliminated and this generates either a new double bond or a new ring.
    GO:0004590    orotidine-5'-phosphate decarboxylase activity    Catalysis of the reaction: H(+) + orotidine 5'-phosphate = CO(2) + UMP.
biological process
    GO:0044205    'de novo' UMP biosynthetic process    The chemical reactions and pathways resulting in the formation of UMP, uridine monophosphate, starting with the synthesis of (S)-dihydroorotate from bicarbonate; UMP biosynthesis may either occur via reduction by quinone, NAD(+) or oxygen.
    GO:0006207    'de novo' pyrimidine nucleobase biosynthetic process    The chemical reactions and pathways resulting in the formation of pyrimidine nucleobases, 1,3-diazine, organic nitrogenous bases, beginning with the synthesis of a pyrimidine ring from simpler precursors.
    GO:0008152    metabolic process    The chemical reactions and pathways, including anabolism and catabolism, by which living organisms transform chemical substances. Metabolic processes typically transform small molecules, but also include macromolecular processes such as DNA repair and replication, and protein synthesis and degradation.
    GO:0006221    pyrimidine nucleotide biosynthetic process    The chemical reactions and pathways resulting in the formation of a pyrimidine nucleotide, a compound consisting of nucleoside (a pyrimidine base linked to a deoxyribose or ribose sugar) esterified with a phosphate group at either the 3' or 5'-hydroxyl group of the sugar.

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 Related Entries

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

UniProtKB/Swiss-Prot
        PYRF_METTH | O26232: 1dv7 1dvj 1kly 1klz 1km0 1km2 1km3 1km4 1km5 1km6 1lol 1loq 1lor 1los 1lp6 1x1z 2e6y 2zz1 2zz2 2zz3 2zz4 2zz5 2zz6 2zz7 3g18 3g1a 3g1d 3g1f 3g1h 3g1s 3g1v 3g1x 3g1y 3g22 3g24 3lht 3lhu 3lhv 3lhw 3lhy 3lhz 3li0 3li1 3lld 3llf 3ltp 3lts 3lty 3lv5 3lv6 3m1z 3m41 3m43 3m44 3m47 3m5x 3m5y 3m5z 3nq6 3nq7 3nqa 3nqc 3nqd 3nqe 3nqf 3nqg 3nqm 3p5y 3p5z 3p60 3p61 3pbu 3pbv 3pbw 3pby 3pc0 3qez 3qf0 3qmr 3qms 3qmt 3rlu 3rlv 3sec 3sgu 3siz 3sj3 3ssj 3sw6 3sy5 3thq 3v1p 3w07 3wjw 3wjx 3wjy 3wjz 3wk0 3wk1 3wk2 3wk3 4fx6 4fx8 4fxr 4gc4 4lc6 4lc8 4lw7 4nt0 4nuw 4nx5 4o11 4o8r

(-) Related Entries Specified in the PDB File

1kly 1klz 1km0 1km2 1km3 1km4 1km5 1km6