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(-) Description

Title :  STRUCTURE OF TYPE B RIBOSE 5-PHOSPHATE ISOMERASE FROM TRYPANOSOMA CRUZI
 
Authors :  A. Naworyta, S. L. Mowbray, A. L. Stern
Date :  13 Oct 09  (Deposition) - 27 Oct 10  (Release) - 13 Jul 11  (Revision)
Method :  X-RAY DIFFRACTION
Resolution :  2.00
Chains :  Asym. Unit :  A,B
Biol. Unit 1:  A,B  (2x)
Keywords :  Pentose Phosphate Pathway, Type B Ribose 5-Phosphate Isomerase (Rpib), R5P, Isomerase (Keyword Search: [Gene Ontology, PubMed, Web (Google)] )
 
Reference :  A. L. Stern, A. Naworyta, J. J. Cazzulo, S. L. Mowbray
Structures Of Type B Ribose 5-Phosphate Isomerase From Trypanosoma Cruzi Shed Light On The Determinants Of Sugar Specificity In The Structural Family.
Febs J. V. 278 793 2011
PubMed-ID: 21205211  |  Reference-DOI: 10.1111/J.1742-4658.2010.07999.X

(-) Compounds

Molecule 1 - RIBOSE 5-PHOSPHATE ISOMERASE
    Chains: A, B
    EC Number: 5.3.1.6
    Engineered: YES
    Expression System: ESCHERICHIA COLI
    Expression System Plasmid: PET-28A(+)
    Expression System Strain: BL21(DE3)PLYSS
    Expression System Taxid: 562
    Expression System Vector Type: PLASMID
    Gene: 110984573
    Organism Scientific: TRYPANOSOMA CRUZI
    Organism Taxid: 353153
    Strain: STRAIN CL BRENER

 Structural Features

(-) Chains, Units

  12
Asymmetric Unit : AB
Biological Unit 1 (2x): AB

Summary Information (see also Sequences/Alignments below)

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

(no "Ligand,Modified Residues,Ions" information available for 3K7O)

(-) Sites  (0, 0)

(no "Site" information available for 3K7O)

(-) SS Bonds  (0, 0)

(no "SS Bond" information available for 3K7O)

(-) Cis Peptide Bonds  (0, 0)

(no "Cis Peptide Bond" information available for 3K7O)

 Sequence-Structure Mapping

(-) SAPs(SNPs)/Variants  (0, 0)

(no "SAP(SNP)/Variant" information available for 3K7O)

(-) PROSITE Motifs  (0, 0)

(no "PROSITE Motif" information available for 3K7O)

(-) Exons   (0, 0)

(no "Exon" information available for 3K7O)

(-) 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:151
 aligned with Q4CQE2_TRYCC | Q4CQE2 from UniProtKB/TrEMBL  Length:159

    Alignment length:151
                                    11        21        31        41        51        61        71        81        91       101       111       121       131       141       151 
         Q4CQE2_TRYCC     2 TRRVAIGTDHPAFAIHENLILYVKEAGDEFVPVYCGPKTAESVDYPDFASRVAEMVARKEVEFGVLACGSGIGMSIAANKVPGVRAALCHDHYTAAMSRIHNDANIVCVGERTTGVEVIREIIITFLQTPFSGEERHVRRIEKIRAIEASH 152
               SCOP domains d3k7oa_ A: automated matches                                                                                                                            SCOP domains
               CATH domains ------------------------------------------------------------------------------------------------------------------------------------------------------- CATH domains
               Pfam domains ------------------------------------------------------------------------------------------------------------------------------------------------------- Pfam domains
         Sec.struct. author .eeeeeee.hhhhhhhhhhhhhhhhh...eeeee.........hhhhhhhhhhhhhhh....eeeeee..hhhhhhhhhh.....eee..hhhhhhhhhhh....eeeee....hhhhhhhhhhhhhhh....hhhhhhhhhhhhhhhhh. Sec.struct. author
                 SAPs(SNPs) ------------------------------------------------------------------------------------------------------------------------------------------------------- SAPs(SNPs)
                    PROSITE ------------------------------------------------------------------------------------------------------------------------------------------------------- PROSITE
                 Transcript ------------------------------------------------------------------------------------------------------------------------------------------------------- Transcript
                 3k7o A   2 TRRVAIGTDHPAFAIHENLILYVKEAGDEFVPVYCGPKTAESVDYPDFASRVAEMVARKEVEFGVLACGSGIGMSIAANKVPGVRAALCHDHYTAAMSRIHNDANIVCVGERTTGVEVIREIIITFLQTPFSGEERHVRRIEKIRAIEASH 152
                                    11        21        31        41        51        61        71        81        91       101       111       121       131       141       151 


Chain B from PDB  Type:PROTEIN  Length:150
 aligned with Q4CQE2_TRYCC | Q4CQE2 from UniProtKB/TrEMBL  Length:159

    Alignment length:150
                                    12        22        32        42        52        62        72        82        92       102       112       122       132       142       152
         Q4CQE2_TRYCC     3 RRVAIGTDHPAFAIHENLILYVKEAGDEFVPVYCGPKTAESVDYPDFASRVAEMVARKEVEFGVLACGSGIGMSIAANKVPGVRAALCHDHYTAAMSRIHNDANIVCVGERTTGVEVIREIIITFLQTPFSGEERHVRRIEKIRAIEASH 152
               SCOP domains d3k7ob_ B: automated matches                                                                                                                           SCOP domains
               CATH domains ------------------------------------------------------------------------------------------------------------------------------------------------------ CATH domains
               Pfam domains ------------------------------------------------------------------------------------------------------------------------------------------------------ Pfam domains
         Sec.struct. author .eeeeee.hhhhhhhhhhhhhhhhh....eeee.........hhhhhhhhhhhhhhh....eeeeee..hhhhhhhhhh.....eee..hhhhhhhhhhh....eeeee....hhhhhhhhhhhhhhh....hhhhhhhhhhhhhhhhhh Sec.struct. author
                 SAPs(SNPs) ------------------------------------------------------------------------------------------------------------------------------------------------------ SAPs(SNPs)
                    PROSITE ------------------------------------------------------------------------------------------------------------------------------------------------------ PROSITE
                 Transcript ------------------------------------------------------------------------------------------------------------------------------------------------------ Transcript
                 3k7o B   3 RRVAIGTDHPAFAIHENLILYVKEAGDEFVPVYCGPKTAESVDYPDFASRVAEMVARKEVEFGVLACGSGIGMSIAANKVPGVRAALCHDHYTAAMSRIHNDANIVCVGERTTGVEVIREIIITFLQTPFSGEERHVRRIEKIRAIEASH 152
                                    12        22        32        42        52        62        72        82        92       102       112       122       132       142       152
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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, 2)

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

(-) CATH Domains  (0, 0)

(no "CATH Domain" information available for 3K7O)

(-) Pfam Domains  (0, 0)

(no "Pfam Domain" information available for 3K7O)

(-) Gene Ontology  (5, 5)

Asymmetric Unit(hide GO term definitions)
Chain A,B   (Q4CQE2_TRYCC | Q4CQE2)
molecular function
    GO:0042802    identical protein binding    Interacting selectively and non-covalently with an identical protein or proteins.
    GO:0016853    isomerase activity    Catalysis of the geometric or structural changes within one molecule. Isomerase is the systematic name for any enzyme of EC class 5.
    GO:0004751    ribose-5-phosphate isomerase activity    Catalysis of the reaction: D-ribose 5-phosphate = D-ribulose 5-phosphate.
biological process
    GO:0005975    carbohydrate metabolic process    The chemical reactions and pathways involving carbohydrates, any of a group of organic compounds based of the general formula Cx(H2O)y. Includes the formation of carbohydrate derivatives by the addition of a carbohydrate residue to another molecule.
    GO:0006098    pentose-phosphate shunt    The glucose-6-phosphate catabolic process in which, coupled to NADPH synthesis, glucose-6-P is oxidized with the formation of carbon dioxide (CO2) and ribulose 5-phosphate; ribulose 5-P then enters a series of reactions interconverting sugar phosphates. The pentose phosphate pathway is a major source of reducing equivalents for biosynthesis reactions and is also important for the conversion of hexoses to pentoses.

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 Related Entries

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

UniProtKB/TrEMBL
        Q4CQE2_TRYCC | Q4CQE2: 3k7p 3k7s 3k8c 3m1p

(-) Related Entries Specified in the PDB File

3k7p STRUCTURE OF MUTANT OF RIBOSE 5-PHOSPHATE ISOMERASE TYPE B FROM TRYPANOSOMA CRUZI
3k7s COMPLEX OF TRYPANOSOMA CRUZI RIBOSE 5-PHOSPHATE ISOMERASE TYPE B WITH RIBOSE 5-PHOSPHATE