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(-) Description

Title :  PHOSPHO-ADENYLYL-SULFATE REDUCTASE
 
Authors :  I. Sinning, H. Savage
Date :  01 Apr 98  (Deposition) - 11 May 99  (Release) - 24 Feb 09  (Revision)
Method :  X-RAY DIFFRACTION
Resolution :  2.00
Chains :  Asym. Unit :  A
Biol. Unit 1:  A  (2x)
Keywords :  Assimilatory Sulfate Reduction, 3-Phospho-Adenylyl-Sulfate Reductase, Oxidoreductase (Keyword Search: [Gene Ontology, PubMed, Web (Google))
 
Reference :  H. Savage, G. Montoya, C. Svensson, J. D. Schwenn, I. Sinning
Crystal Structure Of Phosphoadenylyl Sulphate (Paps) Reductase: A New Family Of Adenine Nucleotide Alpha Hydrolases.
Structure V. 5 895 1997
PubMed-ID: 9261082  |  Reference-DOI: 10.1016/S0969-2126(97)00244-X
(for further references see the PDB file header)

(-) Compounds

Molecule 1 - PAPS REDUCTASE
    AtccGENETIC STOCK CENTER, STRAIN CGSC 5746
    Cellular LocationCYTOPLASM
    ChainsA
    CollectionGENETIC STOCK CENTER, STRAIN CGSC 5746
    EC Number1.8.99.4
    EngineeredYES
    GeneCYSH
    Organism ScientificESCHERICHIA COLI
    Organism Taxid562
    StrainJM96
    SynonymPHOSPHOADENOSINE PHOSPHOSULFATE REDUCTASE

 Structural Features

(-) Chains, Units

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

Summary Information (see also Sequences/Alignments below)

(-) Ligands, Modified Residues, Ions  (0, 0)

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 Sequence-Structure Mapping

(-) SAPs(SNPs)/Variants  (0, 0)

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

(-) 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)
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  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:215
 aligned with CYSH_ECOLI | P17854 from UniProtKB/Swiss-Prot  Length:244

    Alignment length:215
                                    11        21        31        41        51        61        71        81        91       101       111       121       131       141       151       161       171       181       191       201       211     
           CYSH_ECOLI     2 SKLDLNALNELPKVDRILALAETNAELEKLDAEGRVAWALDNLPGEYVLSSSFGIQAAVSLHLVNQIRPDIPVILTDTGYLFPETYRFIDELTDKLKLNLKVYRATESAAWQEARYGKLWEQGVEGIEKYNDINKVEPMNRALKELNAQTWFAGLRREQSGSRANLPVLAIQRGVFKVLPIIDWDNRTIYQYLQKHGLKYHPLWDEGYLSVGDTH 216
               SCOP domains d1sura_ A: Phosphoadenylyl sulphate (PAPS) reductase                                                                                                                                                                    SCOP domains
               CATH domains 1surA00 A:1-215 Tyrosyl-Transfer RNA Synthetase , subunit E, domain 1                                                                                                                                                   CATH domains
               Pfam domains ---------------------------------------------PAPS_reduct-1surA01 A:46-215                                                                                                                                               Pfam domains
         Sec.struct. author ....hhhhhh..hhhhhhhhhhhhhhhhh..hhhhhhhhhhh...eeeee......hhhhhhhhhhh....eeeeee.....hhhhhhhhhhhhh...eeeeee....hhhhhhhh..hhh.hhhhhhhhhhhh.hhhhhhhhhh..eeeee................eeee..eeee.......hhhhhhhhhhh.....hhhhh......... Sec.struct. author
                 SAPs(SNPs) ----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- SAPs(SNPs)
                    PROSITE ----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- PROSITE
                 Transcript ----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- Transcript
                 1sur A   1 SKLDLNALNELPKVDRILALAETNAELEKLDAEGRVAWALDNLPGEYVLSSSFGIQAAVSLHLVNQIRPDIPVILTDTGYLFPETYRFIDELTDKLKLNLKVYRATESAAWQEARYGKLWEQGVEGIEKYNDINKVEPMNRALKELNAQTWFAGLRREQSGSRANLPVLAIQRGVFKVLPIIDWDNRTIYQYLQKHGLKYHPLWDEGYLSVGDTH 215
                                    10        20        30        40        50        60        70        80        90       100       110       120       130       140       150       160       170       180       190       200       210     

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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  (1, 1)

Asymmetric Unit

(-) CATH Domains  (1, 1)

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

(-) Pfam Domains  (1, 1)

Asymmetric Unit
(-)
Clan: HUP (230)

(-) Gene Ontology  (9, 9)

Asymmetric Unit(hide GO term definitions)
Chain A   (CYSH_ECOLI | P17854)
molecular function
    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:0016491    oxidoreductase activity    Catalysis of an oxidation-reduction (redox) reaction, a reversible chemical reaction in which the oxidation state of an atom or atoms within a molecule is altered. One substrate acts as a hydrogen or electron donor and becomes oxidized, while the other acts as hydrogen or electron acceptor and becomes reduced.
    GO:0004604    phosphoadenylyl-sulfate reductase (thioredoxin) activity    Catalysis of the reaction: adenosine 3',5'-diphosphate + H(+) + sulfite + thioredoxin disulfide = 3'-phospho-5'-adenylyl sulfate + thioredoxin. Thioredoxin disulfide is the oxidized form of thioredoxin; 3'-phosphoadenosine 5'-phosphosulfate is also known as PAPS.
biological process
    GO:0070814    hydrogen sulfide biosynthetic process    The chemical reactions and pathways resulting in the formation of hydrogen sulfide, H2S.
    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:0055114    oxidation-reduction process    A metabolic process that results in the removal or addition of one or more electrons to or from a substance, with or without the concomitant removal or addition of a proton or protons.
    GO:0019379    sulfate assimilation, phosphoadenylyl sulfate reduction by phosphoadenylyl-sulfate reductase (thioredoxin)    The pathway by which inorganic sulfate is processed and incorporated into sulfated compounds, where the phosphoadenylyl sulfate reduction step is catalyzed by the enzyme phosphoadenylyl-sulfate reductase (thioredoxin) (EC:1.8.4.8).
    GO:0006790    sulfur compound metabolic process    The chemical reactions and pathways involving the nonmetallic element sulfur or compounds that contain sulfur, such as the amino acids methionine and cysteine or the tripeptide glutathione.
cellular component
    GO:0005737    cytoplasm    All of the contents of a cell excluding the plasma membrane and nucleus, but including other subcellular structures.

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 Related Entries

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        CYSH_ECOLI | P178542o8v

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