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(-) Description

Title :  7,8-DIHYDRONEOPTERIN TRIPHOSPHATE EPIMERASE
 
Authors :  T. Ploom, C. Haussmann, P. Hof, S. Steinbacher, A. Bacher, J. Richardso
Date :  11 Feb 99  (Deposition) - 18 Feb 00  (Release) - 13 Jul 11  (Revision)
Method :  X-RAY DIFFRACTION
Resolution :  2.90
Chains :  Asym. Unit :  A,B,C,D,E,F,G,H
Biol. Unit 1:  A,B,C,D,E,F,G,H  (1x)
Biol. Unit 2:  A,B,C,D  (1x)
Biol. Unit 3:  E,F,G,H  (1x)
Keywords :  Epimerase, Isomerase (Keyword Search: [Gene Ontology, PubMed, Web (Google)] )
 
Reference :  T. Ploom, C. Haussmann, P. Hof, S. Steinbacher, A. Bacher, J. Richardson, R. Huber
Crystal Structure Of 7, 8-Dihydroneopterin Triphosphate Epimerase.
Structure Fold. Des. V. 7 509 1999
PubMed-ID: 10378270  |  Reference-DOI: 10.1016/S0969-2126(99)80067-7

(-) Compounds

Molecule 1 - PROTEIN (EPIMERASE)
    Chains: A, B, C, D, E, F, G, H
    Organism Scientific: ESCHERICHIA COLI
    Organism Taxid: 562

 Structural Features

(-) Chains, Units

  12345678
Asymmetric Unit : ABCDEFGH
Biological Unit 1 (1x): ABCDEFGH
Biological Unit 2 (1x): ABCD    
Biological Unit 3 (1x):     EFGH

Summary Information (see also Sequences/Alignments below)

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

(no "Ligand,Modified Residues,Ions" information available for 1B9L)

(-) Sites  (0, 0)

(no "Site" information available for 1B9L)

(-) SS Bonds  (0, 0)

(no "SS Bond" information available for 1B9L)

(-) Cis Peptide Bonds  (0, 0)

(no "Cis Peptide Bond" information available for 1B9L)

 Sequence-Structure Mapping

(-) SAPs(SNPs)/Variants  (0, 0)

(no "SAP(SNP)/Variant" information available for 1B9L)

(-) PROSITE Motifs  (0, 0)

(no "PROSITE Motif" information available for 1B9L)

(-) Exons   (0, 0)

(no "Exon" information available for 1B9L)

(-) 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:119
 aligned with FOLX_ECOLI | P0AC19 from UniProtKB/Swiss-Prot  Length:120

    Alignment length:119
                                    11        21        31        41        51        61        71        81        91       101       111         
           FOLX_ECOLI     2 AQPAAIIRIKNLRLRTFIGIKEEEINNRQDIVINVTIHYPADKARTSEDINDALNYRTVTKNIIQHVENNRFSLLEKLTQDVLDIAREHHWVTYAEVEIDKLHALRYADSVSMTLSWQR 120
               SCOP domains d1b9la_ A: 7,8-dihydroneopterin triphosphate epimerase                                                                  SCOP domains
               CATH domains 1b9lA00 A:2-120  [code=3.30.1130.10, no name defined]                                                                   CATH domains
               Pfam domains ----------------------------------------------------------------------------------------------------------------------- Pfam domains
         Sec.struct. author ...eeeeee..eeeee.....hhhhh..eeeeeeeeeeeehhhhhhhh.......hhhhhhhhhhhhh......hhhhhhhhhhhh.....eeeeeeeeeee.......eeeeeeeee. Sec.struct. author
                 SAPs(SNPs) ----------------------------------------------------------------------------------------------------------------------- SAPs(SNPs)
                    PROSITE ----------------------------------------------------------------------------------------------------------------------- PROSITE
                 Transcript ----------------------------------------------------------------------------------------------------------------------- Transcript
                 1b9l A   2 AQPAAIIRIKNLRLRTFIGIKEEEINNRQDIVINVTIHYPADKARTSEDINDALNYRTVTKNIIQHVENNRFSLLEKLTQDVLDIAREHHWVTYAEVEIDKLHALRYADSVSMTLSWQR 120
                                    11        21        31        41        51        61        71        81        91       101       111         


Chain B from PDB  Type:PROTEIN  Length:119
 aligned with FOLX_ECOLI | P0AC19 from UniProtKB/Swiss-Prot  Length:120

    Alignment length:119
                                    11        21        31        41        51        61        71        81        91       101       111         
           FOLX_ECOLI     2 AQPAAIIRIKNLRLRTFIGIKEEEINNRQDIVINVTIHYPADKARTSEDINDALNYRTVTKNIIQHVENNRFSLLEKLTQDVLDIAREHHWVTYAEVEIDKLHALRYADSVSMTLSWQR 120
               SCOP domains d1b9lb_ B: 7,8-dihydroneopterin triphosphate epimerase                                                                  SCOP domains
               CATH domains 1b9lB00 B:2-120  [code=3.30.1130.10, no name defined]                                                                   CATH domains
               Pfam domains ----------------------------------------------------------------------------------------------------------------------- Pfam domains
         Sec.struct. author ...eeeeee..eeeee.....hhhhh..eeeeeeeeeeeehhhhh..........hhhhhhhhhhhhh......hhhhhhhhhhhh.....eeeeeeeeeee.......eeeeeeee.. Sec.struct. author
                 SAPs(SNPs) ----------------------------------------------------------------------------------------------------------------------- SAPs(SNPs)
                    PROSITE ----------------------------------------------------------------------------------------------------------------------- PROSITE
                 Transcript ----------------------------------------------------------------------------------------------------------------------- Transcript
                 1b9l B   2 AQPAAIIRIKNLRLRTFIGIKEEEINNRQDIVINVTIHYPADKARTSEDINDALNYRTVTKNIIQHVENNRFSLLEKLTQDVLDIAREHHWVTYAEVEIDKLHALRYADSVSMTLSWQR 120
                                    11        21        31        41        51        61        71        81        91       101       111         


Chain C from PDB  Type:PROTEIN  Length:119
 aligned with FOLX_ECOLI | P0AC19 from UniProtKB/Swiss-Prot  Length:120

    Alignment length:119
                                    11        21        31        41        51        61        71        81        91       101       111         
           FOLX_ECOLI     2 AQPAAIIRIKNLRLRTFIGIKEEEINNRQDIVINVTIHYPADKARTSEDINDALNYRTVTKNIIQHVENNRFSLLEKLTQDVLDIAREHHWVTYAEVEIDKLHALRYADSVSMTLSWQR 120
               SCOP domains d1b9lc_ C: 7,8-dihydroneopterin triphosphate epimerase                                                                  SCOP domains
               CATH domains 1b9lC00 C:2-120  [code=3.30.1130.10, no name defined]                                                                   CATH domains
               Pfam domains ----------------------------------------------------------------------------------------------------------------------- Pfam domains
         Sec.struct. author ...eeeeee..eeeee.....hhhhh..eeeeeeeeeeeehhhhhh.........hhhhhhhhhhhhh......hhhhhhhhhhhhh....eeeeeeeeeee.......eeeeeeee.. Sec.struct. author
                 SAPs(SNPs) ----------------------------------------------------------------------------------------------------------------------- SAPs(SNPs)
                    PROSITE ----------------------------------------------------------------------------------------------------------------------- PROSITE
                 Transcript ----------------------------------------------------------------------------------------------------------------------- Transcript
                 1b9l C   2 AQPAAIIRIKNLRLRTFIGIKEEEINNRQDIVINVTIHYPADKARTSEDINDALNYRTVTKNIIQHVENNRFSLLEKLTQDVLDIAREHHWVTYAEVEIDKLHALRYADSVSMTLSWQR 120
                                    11        21        31        41        51        61        71        81        91       101       111         


Chain D from PDB  Type:PROTEIN  Length:119
 aligned with FOLX_ECOLI | P0AC19 from UniProtKB/Swiss-Prot  Length:120

    Alignment length:119
                                    11        21        31        41        51        61        71        81        91       101       111         
           FOLX_ECOLI     2 AQPAAIIRIKNLRLRTFIGIKEEEINNRQDIVINVTIHYPADKARTSEDINDALNYRTVTKNIIQHVENNRFSLLEKLTQDVLDIAREHHWVTYAEVEIDKLHALRYADSVSMTLSWQR 120
               SCOP domains d1b9ld_ D: 7,8-dihydroneopterin triphosphate epimerase                                                                  SCOP domains
               CATH domains 1b9lD00 D:2-120  [code=3.30.1130.10, no name defined]                                                                   CATH domains
               Pfam domains ----------------------------------------------------------------------------------------------------------------------- Pfam domains
         Sec.struct. author ....eeeee..eeeee.....hhhhh..eeeeeeeeeee.hhhhh..........hhhhhhhhhhhhh......hhhhhhhhhhhhhh...eeeeeeeeeee.......eeeeeeee.. Sec.struct. author
                 SAPs(SNPs) ----------------------------------------------------------------------------------------------------------------------- SAPs(SNPs)
                    PROSITE ----------------------------------------------------------------------------------------------------------------------- PROSITE
                 Transcript ----------------------------------------------------------------------------------------------------------------------- Transcript
                 1b9l D   2 AQPAAIIRIKNLRLRTFIGIKEEEINNRQDIVINVTIHYPADKARTSEDINDALNYRTVTKNIIQHVENNRFSLLEKLTQDVLDIAREHHWVTYAEVEIDKLHALRYADSVSMTLSWQR 120
                                    11        21        31        41        51        61        71        81        91       101       111         


Chain E from PDB  Type:PROTEIN  Length:119
 aligned with FOLX_ECOLI | P0AC19 from UniProtKB/Swiss-Prot  Length:120

    Alignment length:119
                                    11        21        31        41        51        61        71        81        91       101       111         
           FOLX_ECOLI     2 AQPAAIIRIKNLRLRTFIGIKEEEINNRQDIVINVTIHYPADKARTSEDINDALNYRTVTKNIIQHVENNRFSLLEKLTQDVLDIAREHHWVTYAEVEIDKLHALRYADSVSMTLSWQR 120
               SCOP domains d1b9le_ E: 7,8-dihydroneopterin triphosphate epimerase                                                                  SCOP domains
               CATH domains 1b9lE00 E:2-120  [code=3.30.1130.10, no name defined]                                                                   CATH domains
               Pfam domains ----------------------------------------------------------------------------------------------------------------------- Pfam domains
         Sec.struct. author ...eeeeee..eeeee.....hhhhh..eeeeeeeeeeeehhhhh..........hhhhhhhhhhhhh......hhhhhhhhhhhhhh...eeeeeeeeeee.......eeeeeeee.. Sec.struct. author
                 SAPs(SNPs) ----------------------------------------------------------------------------------------------------------------------- SAPs(SNPs)
                    PROSITE ----------------------------------------------------------------------------------------------------------------------- PROSITE
                 Transcript ----------------------------------------------------------------------------------------------------------------------- Transcript
                 1b9l E   2 AQPAAIIRIKNLRLRTFIGIKEEEINNRQDIVINVTIHYPADKARTSEDINDALNYRTVTKNIIQHVENNRFSLLEKLTQDVLDIAREHHWVTYAEVEIDKLHALRYADSVSMTLSWQR 120
                                    11        21        31        41        51        61        71        81        91       101       111         


Chain F from PDB  Type:PROTEIN  Length:119
 aligned with FOLX_ECOLI | P0AC19 from UniProtKB/Swiss-Prot  Length:120

    Alignment length:119
                                    11        21        31        41        51        61        71        81        91       101       111         
           FOLX_ECOLI     2 AQPAAIIRIKNLRLRTFIGIKEEEINNRQDIVINVTIHYPADKARTSEDINDALNYRTVTKNIIQHVENNRFSLLEKLTQDVLDIAREHHWVTYAEVEIDKLHALRYADSVSMTLSWQR 120
               SCOP domains d1b9lf_ F: 7,8-dihydroneopterin triphosphate epimerase                                                                  SCOP domains
               CATH domains 1b9lF00 F:2-120  [code=3.30.1130.10, no name defined]                                                                   CATH domains
               Pfam domains ----------------------------------------------------------------------------------------------------------------------- Pfam domains
         Sec.struct. author ...eeeeee..eeeee.....hhhhh..eeeeeeeeeeeehhhh...........hhhhhhhhhhhhh......hhhhhhhhhhhhhh.....eeeeeeeee.......eeeeeeeee. Sec.struct. author
                 SAPs(SNPs) ----------------------------------------------------------------------------------------------------------------------- SAPs(SNPs)
                    PROSITE ----------------------------------------------------------------------------------------------------------------------- PROSITE
                 Transcript ----------------------------------------------------------------------------------------------------------------------- Transcript
                 1b9l F   2 AQPAAIIRIKNLRLRTFIGIKEEEINNRQDIVINVTIHYPADKARTSEDINDALNYRTVTKNIIQHVENNRFSLLEKLTQDVLDIAREHHWVTYAEVEIDKLHALRYADSVSMTLSWQR 120
                                    11        21        31        41        51        61        71        81        91       101       111         


Chain G from PDB  Type:PROTEIN  Length:119
 aligned with FOLX_ECOLI | P0AC19 from UniProtKB/Swiss-Prot  Length:120

    Alignment length:119
                                    11        21        31        41        51        61        71        81        91       101       111         
           FOLX_ECOLI     2 AQPAAIIRIKNLRLRTFIGIKEEEINNRQDIVINVTIHYPADKARTSEDINDALNYRTVTKNIIQHVENNRFSLLEKLTQDVLDIAREHHWVTYAEVEIDKLHALRYADSVSMTLSWQR 120
               SCOP domains d1b9lg_ G: 7,8-dihydroneopterin triphosphate epimerase                                                                  SCOP domains
               CATH domains 1b9lG00 G:2-120  [code=3.30.1130.10, no name defined]                                                                   CATH domains
               Pfam domains ----------------------------------------------------------------------------------------------------------------------- Pfam domains
         Sec.struct. author ...eeeeee..eeeee.....hhhhh..eeeeeeeeeeeehhhhhh.........hhhhhhhhhhhhh......hhhhhhhhhhhhhh.....eeeeeeeee.......eeeeeeee.. Sec.struct. author
                 SAPs(SNPs) ----------------------------------------------------------------------------------------------------------------------- SAPs(SNPs)
                    PROSITE ----------------------------------------------------------------------------------------------------------------------- PROSITE
                 Transcript ----------------------------------------------------------------------------------------------------------------------- Transcript
                 1b9l G   2 AQPAAIIRIKNLRLRTFIGIKEEEINNRQDIVINVTIHYPADKARTSEDINDALNYRTVTKNIIQHVENNRFSLLEKLTQDVLDIAREHHWVTYAEVEIDKLHALRYADSVSMTLSWQR 120
                                    11        21        31        41        51        61        71        81        91       101       111         


Chain H from PDB  Type:PROTEIN  Length:119
 aligned with FOLX_ECOLI | P0AC19 from UniProtKB/Swiss-Prot  Length:120

    Alignment length:119
                                    11        21        31        41        51        61        71        81        91       101       111         
           FOLX_ECOLI     2 AQPAAIIRIKNLRLRTFIGIKEEEINNRQDIVINVTIHYPADKARTSEDINDALNYRTVTKNIIQHVENNRFSLLEKLTQDVLDIAREHHWVTYAEVEIDKLHALRYADSVSMTLSWQR 120
               SCOP domains d1b9lh_ H: 7,8-dihydroneopterin triphosphate epimerase                                                                  SCOP domains
               CATH domains 1b9lH00 H:2-120  [code=3.30.1130.10, no name defined]                                                                   CATH domains
               Pfam domains ----------------------------------------------------------------------------------------------------------------------- Pfam domains
         Sec.struct. author ....eeeee..eeeee.....hhhhh..eeeeeeeeeee.hhhhh..........hhhhhhhhhhhhh......hhhhhhhhhhhh.....eeeeeeeeeee.......eeeeeeee.. Sec.struct. author
                 SAPs(SNPs) ----------------------------------------------------------------------------------------------------------------------- SAPs(SNPs)
                    PROSITE ----------------------------------------------------------------------------------------------------------------------- PROSITE
                 Transcript ----------------------------------------------------------------------------------------------------------------------- Transcript
                 1b9l H   2 AQPAAIIRIKNLRLRTFIGIKEEEINNRQDIVINVTIHYPADKARTSEDINDALNYRTVTKNIIQHVENNRFSLLEKLTQDVLDIAREHHWVTYAEVEIDKLHALRYADSVSMTLSWQR 120
                                    11        21        31        41        51        61        71        81        91       101       111
   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, 8)

Asymmetric Unit
(-)
Class: Alpha and beta proteins (a+b) (23004)

(-) CATH Domains  (1, 8)

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

(-) Pfam Domains  (0, 0)

(no "Pfam Domain" information available for 1B9L)

(-) Gene Ontology  (5, 5)

Asymmetric Unit(hide GO term definitions)
Chain A,B,C,D,E,F,G,H   (FOLX_ECOLI | P0AC19)
molecular function
    GO:0004150    dihydroneopterin aldolase activity    Catalysis of the reaction: 2-amino-4-hydroxy-6-(D-erythro-1,2,3-trihydroxypropyl)-7,8-dihydropteridine = 2-amino-4-hydroxy-6-hydroxymethyl-7,8-dihydropteridine + glycolaldehyde.
    GO:0008719    dihydroneopterin triphosphate 2'-epimerase activity    Catalysis of the reaction: dihydroneopterin triphosphate = dihydromonapterin-triphosphate.
    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.
biological process
    GO:0006760    folic acid-containing compound metabolic process    The chemical reactions and pathways involving a folic acid-containing compound, i.e. any of a group of heterocyclic compounds based on the pteroic acid skeleton conjugated with one or more L-glutamic acid or L-glutamate units.
cellular component
    GO:0005829    cytosol    The part of the cytoplasm that does not contain organelles but which does contain other particulate matter, such as protein complexes.

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  1b9l
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