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(-) Description

Title :  SCHISTOSOMA MANSONI DIHYDROFOLATE REDUCTASE
 
Authors :  V. H. B. Serrao, L. Romanello, A. Cassago, R. Demarco, H. M. Pereira
Date :  04 Jan 12  (Deposition) - 06 Mar 13  (Release) - 24 May 17  (Revision)
Method :  X-RAY DIFFRACTION
Resolution :  1.95
Chains :  Asym./Biol. Unit :  A
Keywords :  Reductase, Oxidoreductase (Keyword Search: [Gene Ontology, PubMed, Web (Google)] )
 
Reference :  V. H. B. Serrao, L. Romanello, A. Cassago, J. R. T. De Souza, J. Cheleski, R. Demarco, J. Brandao-Neto, H. D. Pereira
Structure And Kinetics Assays Of Recombinant Schistosoma Mansoni Dihydrofolate Reductase.
Acta Trop. V. 170 190 2017
PubMed-ID: 28288799  |  Reference-DOI: 10.1016/J.ACTATROPICA.2017.03.007

(-) Compounds

Molecule 1 - DIHYDROFOLATE REDUCTASE
    Chains: A
    EC Number: 1.5.1.3
    Engineered: YES
    Expression System: ESCHERICHIA COLI
    Expression System Plasmid: PET28A
    Expression System Strain: BL21(DE3)
    Expression System Taxid: 469008
    Expression System Vector Type: PLASMID
    Fragment: UNP RESIDUES 1-181
    Gene: DHFR, SMP_175230
    Organism Common: BLOOD FLUKE
    Organism Scientific: SCHISTOSOMA MANSONI
    Organism Taxid: 6183

 Structural Features

(-) Chains, Units

  1
Asymmetric/Biological Unit : A

Summary Information (see also Sequences/Alignments below)

(-) Ligands, Modified Residues, Ions  (1, 3)

Asymmetric/Biological Unit (1, 3)
No.NameCountTypeFull Name
1SO43Ligand/IonSULFATE ION

(-) Sites  (3, 3)

Asymmetric Unit (3, 3)
No.NameEvidenceResiduesDescription
1AC1SOFTWAREARG A:51 , SER A:73 , SER A:74 , THR A:75 , ARG A:115 , HOH A:336 , HOH A:338BINDING SITE FOR RESIDUE SO4 A 200
2AC2SOFTWAREGLY A:50 , ARG A:51 , VAL A:52 , THR A:53 , GLY A:113 , HOH A:332 , HOH A:346BINDING SITE FOR RESIDUE SO4 A 201
3AC3SOFTWAREHIS A:78 , PRO A:87 , SER A:88 , ASN A:90BINDING SITE FOR RESIDUE SO4 A 202

(-) SS Bonds  (0, 0)

(no "SS Bond" information available for 3VCO)

(-) Cis Peptide Bonds  (2, 2)

Asymmetric/Biological Unit
No.Residues
1Leu A:21 -Pro A:22
2Lys A:62 -Pro A:63

 Sequence-Structure Mapping

(-) SAPs(SNPs)/Variants  (0, 0)

(no "SAP(SNP)/Variant" information available for 3VCO)

(-) PROSITE Motifs  (0, 0)

(no "PROSITE Motif" information available for 3VCO)

(-) Exons   (0, 0)

(no "Exon" information available for 3VCO)

(-) Sequences/Alignments

Asymmetric/Biological Unit
   Reformat: Number of residues per line =  ('0' or empty: single-line sequence representation)
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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:183
 aligned with G4VJD6_SCHMA | G4VJD6 from UniProtKB/TrEMBL  Length:186

    Alignment length:183
                              1                                                                                                                                                                                    
                              |      8        18        28        38        48        58        68        78        88        98       108       118       128       138       148       158       168       178   
         G4VJD6_SCHMA     - --MRLNVVVAVSENWGIGKGGGLPWKIKKDMEFFKTVTTKAHPGLKNAVVMGRVTWESIPESFKPLKDRINIVVSSTLSHAPSFVQVVPSLNAAIDLLYNEEFSSIVDEVFIIGGYRLYKEALKQSIYPVRIYCTHILSEVDCDTYFPKVDWDKLKKVDLPDIPADTFTENGFTFKFCVYDVP 181
               SCOP domains d3vcoa_ A: automated matches                                                                                                                                                            SCOP domains
               CATH domains --------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- CATH domains
               Pfam domains --------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- Pfam domains
         Sec.struct. author ....eeeeeee...............hhhhhhhhhhhhhh.....eeeeeeehhhhhhhhhhhh.....eeeee...........eee.hhhhhhhhhh.......eeeeee..hhhhhhhhhhh....eeeeeeeee............hhhhhee..........eee..eeeeeeeeee. Sec.struct. author
                 SAPs(SNPs) --------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- SAPs(SNPs)
                    PROSITE --------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- PROSITE
                 Transcript --------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- Transcript
                 3vco A  -1 SHMRLNVVVAVSENWGIGKGGGLPWKIKKDMEFFKTVTTKAHPGLKNAVVMGRVTWESIPESFKPLKDRINIVVSSTLSHAPSFVQVVPSLNAAIDLLYNEEFSSIVDEVFIIGGYRLYKEALKQSIYPVRIYCTHILSEVDCDTYFPKVDWDKLKKVDLPDIPADTFTENGFTFKFCVYDVP 181
                                     8        18        28        38        48        58        68        78        88        98       108       118       128       138       148       158       168       178
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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/Biological Unit
(-)
Class: Alpha and beta proteins (a/b) (23833)

(-) CATH Domains  (0, 0)

(no "CATH Domain" information available for 3VCO)

(-) Pfam Domains  (0, 0)

(no "Pfam Domain" information available for 3VCO)

(-) Gene Ontology  (6, 6)

Asymmetric/Biological Unit(hide GO term definitions)
Chain A   (G4VJD6_SCHMA | G4VJD6)
molecular function
    GO:0050661    NADP binding    Interacting selectively and non-covalently with nicotinamide-adenine dinucleotide phosphate, a coenzyme involved in many redox and biosynthetic reactions; binding may be to either the oxidized form, NADP+, or the reduced form, NADPH.
    GO:0004146    dihydrofolate reductase activity    Catalysis of the reaction: 5,6,7,8-tetrahydrofolate + NADP+ = 7,8-dihydrofolate + NADPH + H+.
    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.
biological process
    GO:0006545    glycine biosynthetic process    The chemical reactions and pathways resulting in the formation of glycine, aminoethanoic acid.
    GO:0009165    nucleotide biosynthetic process    The chemical reactions and pathways resulting in the formation of nucleotides, any nucleoside that is esterified with (ortho)phosphate or an oligophosphate at any hydroxyl group on the glycose moiety; may be mono-, di- or triphosphate; this definition includes cyclic-nucleotides (nucleoside cyclic phosphates).
    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.

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