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(-) Description

Title :  CRYSTAL STRUCTURE OF YEAST PYRIDOXAL 5-PHOSPHATE SYNTHASE SNZ1 COMPLXED WITH SUBSTRATE PLP
 
Authors :  Y. B. Teng, X. Zhang, Y. X. He, H. X. Hu, C. Z. Zhou
Date :  19 Jul 10  (Deposition) - 24 Nov 10  (Release) - 26 Mar 14  (Revision)
Method :  X-RAY DIFFRACTION
Resolution :  2.20
Chains :  Asym. Unit :  A,B,C
Biol. Unit 1:  A,B,C  (2x)
Keywords :  Beta Slash Alpha Barrel, (Beat/Alpha)8-Barrel, Pyridoxal 5-Phosphate Synthase, Plp G3P Rbp Sno1, Biosynthetic Protein (Keyword Search: [Gene Ontology, PubMed, Web (Google))
 
Reference :  X. Zhang, Y. B. Teng, J. P. Liu, Y. X. He, K. Zhou, Y. Chen, C. Z. Zhou
Structural Insights Into The Catalytic Mechanism Of The Yeast Pyridoxal 5-Phosphate Synthase Snz1
Biochem. J. V. 432 445 2010
PubMed-ID: 20919991  |  Reference-DOI: 10.1042/BJ20101241

(-) Compounds

Molecule 1 - PYRIDOXINE BIOSYNTHESIS PROTEIN SNZ1
    ChainsA, B, C
    EngineeredYES
    Expression SystemESCHERICHIA COLI
    Expression System PlasmidPET28B
    Expression System Taxid562
    Expression System Vector TypePLASMID
    FragmentRESIDUES 15-297
    GeneSNZ1
    Organism CommonYEAST
    Organism ScientificSACCHAROMYCES CEREVISIAE
    Organism Taxid4932
    SynonymPDX1 HOMOLOG 1, P35

 Structural Features

(-) Chains, Units

  123
Asymmetric Unit ABC
Biological Unit 1 (2x)ABC

Summary Information (see also Sequences/Alignments below)

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

Asymmetric Unit (1, 3)
No.NameCountTypeFull Name
1PLP3Ligand/IonPYRIDOXAL-5'-PHOSPHATE
Biological Unit 1 (1, 6)
No.NameCountTypeFull Name
1PLP6Ligand/IonPYRIDOXAL-5'-PHOSPHATE

(-) Sites  (3, 3)

Asymmetric Unit (3, 3)
No.NameEvidenceResiduesDescription
1AC1SOFTWAREGLU A:104 , TRP A:111 , HIS A:114 , ARG A:136 , ARG A:137 , LYS A:148 , ARG A:190 , HOH A:335 , HOH A:384 , HOH A:404BINDING SITE FOR RESIDUE PLP A 1
2AC2SOFTWAREILE B:83 , GLU B:104 , TRP B:111 , HIS B:114 , LYS B:129 , GLU B:133 , ARG B:136 , ARG B:137 , LYS B:148 , HOH B:309 , HOH B:354 , HOH B:371 , HOH B:373 , HOH B:379BINDING SITE FOR RESIDUE PLP B 1
3AC3SOFTWAREGLU C:104 , TRP C:111 , HIS C:114 , LYS C:129 , GLU C:133 , ARG C:136 , ARG C:137 , LYS C:148 , HOH C:351 , HOH C:353 , HOH C:361 , HOH C:391BINDING SITE FOR RESIDUE PLP C 1

(-) SS Bonds  (0, 0)

(no "SS Bond" information available for 3O05)

(-) Cis Peptide Bonds  (0, 0)

(no "Cis Peptide Bond" information available for 3O05)

 Sequence-Structure Mapping

(-) SAPs(SNPs)/Variants  (0, 0)

(no "SAP(SNP)/Variant" information available for 3O05)

(-) PROSITE Motifs  (1, 3)

Asymmetric Unit (1, 3)
 PROSITEUniProtKBPDB
No.IDACDescriptionIDLocationCountLocation
1PDXS_SNZ_1PS01235 PdxS/SNZ family signature.SNZ1_YEAST205-223
 
 
  3A:205-223
B:205-223
C:205-223
Biological Unit 1 (1, 6)
 PROSITEUniProtKBPDB
No.IDACDescriptionIDLocationCountLocation
1PDXS_SNZ_1PS01235 PdxS/SNZ family signature.SNZ1_YEAST205-223
 
 
  6A:205-223
B:205-223
C:205-223

(-) Exons   (0, 0)

(no "Exon" information available for 3O05)

(-) 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:261
 aligned with SNZ1_YEAST | Q03148 from UniProtKB/Swiss-Prot  Length:297

    Alignment length:261
                                    24        34        44        54        64        74        84        94       104       114       124       134       144       154       164       174       184       194       204       214       224       234       244       254       264       274 
           SNZ1_YEAST    15 MLKGGVIMDVVTPEQAKIAEKSGACAVMALESIPADMRKSGKVCRMSDPKMIKDIMNSVSIPVMAKVRIGHFVEAQIIEALEVDYIDESEVLTPADWTHHIEKDKFKVPFVCGAKDLGEALRRINEGAAMIRTKGEAGTGDVSEAVKHIRRITEEIKACQQLKSEDDIAKVAEEMRVPVSLLKDVLEKGKLPVVNFAAGGVATPADAALLMQLGCDGVFVGSGIFKSSNPVRLATAVVEATTHFDNPSKLLEVSSDLGELM 275
               SCOP domains d3o05a_ A: automated matches                                                                                                                                                                                                                                          SCOP domains
               CATH domains --------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- CATH domains
               Pfam domains --------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- Pfam domains
         Sec.struct. author .....eeeee.hhhhhhhhhhhh..eeee...hhhhhhh........hhhhhhhhhh.....eeeeee..hhhhhhhhhhh...eeeee............hhhhh...eeeee.hhhhhhhhhhhh..eeee........hhhhhhhhhhhhhhhhhhhh..hhhhhhhhhhhhh.hhhhhhhhhhhh.....ee......hhhhhhhhhhh....eee.hhhhhh.hhhhhhhhhhhhhhh..hhhhhhhhhh...... Sec.struct. author
                 SAPs(SNPs) --------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- SAPs(SNPs)
                    PROSITE ----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------PDXS_SNZ_1         ---------------------------------------------------- PROSITE
                 Transcript --------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- Transcript
                 3o05 A  15 MLKGGVIMDVVTPEQAKIAEKSGACAVMALESIPADMRKSGKVCRMSDPKMIKDIMNSVSIPVMAKVRIGHFVEAQIIEALEVDYIDESEVLTPADWTHHIEKDKFKVPFVCGAKDLGEALRRINEGAAMIRTKGEAGTGDVSEAVKHIRRITEEIKACQQLKSEDDIAKVAEEMRVPVSLLKDVLEKGKLPVVNFAAGGVATPADAALLMQLGCDGVFVGSGIFKSSNPVRLATAVVEATTHFDNPSKLLEVSSDLGELM 275
                                    24        34        44        54        64        74        84        94       104       114       124       134       144       154       164       174       184       194       204       214       224       234       244       254       264       274 

Chain B from PDB  Type:PROTEIN  Length:261
 aligned with SNZ1_YEAST | Q03148 from UniProtKB/Swiss-Prot  Length:297

    Alignment length:261
                                    24        34        44        54        64        74        84        94       104       114       124       134       144       154       164       174       184       194       204       214       224       234       244       254       264       274 
           SNZ1_YEAST    15 MLKGGVIMDVVTPEQAKIAEKSGACAVMALESIPADMRKSGKVCRMSDPKMIKDIMNSVSIPVMAKVRIGHFVEAQIIEALEVDYIDESEVLTPADWTHHIEKDKFKVPFVCGAKDLGEALRRINEGAAMIRTKGEAGTGDVSEAVKHIRRITEEIKACQQLKSEDDIAKVAEEMRVPVSLLKDVLEKGKLPVVNFAAGGVATPADAALLMQLGCDGVFVGSGIFKSSNPVRLATAVVEATTHFDNPSKLLEVSSDLGELM 275
               SCOP domains d3o05b_ B: automated matches                                                                                                                                                                                                                                          SCOP domains
               CATH domains --------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- CATH domains
               Pfam domains --------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- Pfam domains
         Sec.struct. author .....eeeee.hhhhhhhhhhhh..eeee...hhhhhhh........hhhhhhhhhh.....eeeeee..hhhhhhhhhhh...eeeee............hhhhh...eeeee.hhhhhhhhhhh...eeee........hhhhhhhhhhhhhhhhhhhh..hhhhhhhhhhhhh.hhhhhhhhhhhh.....ee......hhhhhhhhhhh....eee.hhhhhh.hhhhhhhhhhhhhhh..hhhhhhhhhh...... Sec.struct. author
                 SAPs(SNPs) --------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- SAPs(SNPs)
                    PROSITE ----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------PDXS_SNZ_1         ---------------------------------------------------- PROSITE
                 Transcript --------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- Transcript
                 3o05 B  15 MLKGGVIMDVVTPEQAKIAEKSGACAVMALESIPADMRKSGKVCRMSDPKMIKDIMNSVSIPVMAKVRIGHFVEAQIIEALEVDYIDESEVLTPADWTHHIEKDKFKVPFVCGAKDLGEALRRINEGAAMIRTKGEAGTGDVSEAVKHIRRITEEIKACQQLKSEDDIAKVAEEMRVPVSLLKDVLEKGKLPVVNFAAGGVATPADAALLMQLGCDGVFVGSGIFKSSNPVRLATAVVEATTHFDNPSKLLEVSSDLGELM 275
                                    24        34        44        54        64        74        84        94       104       114       124       134       144       154       164       174       184       194       204       214       224       234       244       254       264       274 

Chain C from PDB  Type:PROTEIN  Length:261
 aligned with SNZ1_YEAST | Q03148 from UniProtKB/Swiss-Prot  Length:297

    Alignment length:261
                                    24        34        44        54        64        74        84        94       104       114       124       134       144       154       164       174       184       194       204       214       224       234       244       254       264       274 
           SNZ1_YEAST    15 MLKGGVIMDVVTPEQAKIAEKSGACAVMALESIPADMRKSGKVCRMSDPKMIKDIMNSVSIPVMAKVRIGHFVEAQIIEALEVDYIDESEVLTPADWTHHIEKDKFKVPFVCGAKDLGEALRRINEGAAMIRTKGEAGTGDVSEAVKHIRRITEEIKACQQLKSEDDIAKVAEEMRVPVSLLKDVLEKGKLPVVNFAAGGVATPADAALLMQLGCDGVFVGSGIFKSSNPVRLATAVVEATTHFDNPSKLLEVSSDLGELM 275
               SCOP domains d3o05c_ C: automated matches                                                                                                                                                                                                                                          SCOP domains
               CATH domains --------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- CATH domains
           Pfam domains (1) SOR_SNZ-3o05C01 C:15-212                                                                                                                                                                              --------------------------------------------------------------- Pfam domains (1)
           Pfam domains (2) SOR_SNZ-3o05C02 C:15-212                                                                                                                                                                              --------------------------------------------------------------- Pfam domains (2)
           Pfam domains (3) SOR_SNZ-3o05C03 C:15-212                                                                                                                                                                              --------------------------------------------------------------- Pfam domains (3)
         Sec.struct. author .....eeeee.hhhhhhhhhhhh..eeee...hhhhhhh........hhhhhhhhhh.....eeeeee..hhhhhhhhhhh...eeeee............hhhhh...eeeee.hhhhhhhhhhh...eeee........hhhhhhhhhhhhhhhhhhhh..hhhhhhhhhhhhh.hhhhhhhhhhhh.....ee......hhhhhhhhhhh....eee.hhhhhh.hhhhhhhhhhhhhhh..hhhhhhhhhh...... Sec.struct. author
                 SAPs(SNPs) --------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- SAPs(SNPs)
                    PROSITE ----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------PDXS_SNZ_1         ---------------------------------------------------- PROSITE
                 Transcript --------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- Transcript
                 3o05 C  15 MLKGGVIMDVVTPEQAKIAEKSGACAVMALESIPADMRKSGKVCRMSDPKMIKDIMNSVSIPVMAKVRIGHFVEAQIIEALEVDYIDESEVLTPADWTHHIEKDKFKVPFVCGAKDLGEALRRINEGAAMIRTKGEAGTGDVSEAVKHIRRITEEIKACQQLKSEDDIAKVAEEMRVPVSLLKDVLEKGKLPVVNFAAGGVATPADAALLMQLGCDGVFVGSGIFKSSNPVRLATAVVEATTHFDNPSKLLEVSSDLGELM 275
                                    24        34        44        54        64        74        84        94       104       114       124       134       144       154       164       174       184       194       204       214       224       234       244       254       264       274 

   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, 3)

Asymmetric Unit

(-) CATH Domains  (0, 0)

(no "CATH Domain" information available for 3O05)

(-) Pfam Domains  (1, 3)

Asymmetric Unit

(-) Gene Ontology  (11, 11)

Asymmetric Unit(hide GO term definitions)
Chain A,B,C   (SNZ1_YEAST | Q03148)
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:0004359    glutaminase activity    Catalysis of the reaction: L-glutamine + H2O = L-glutamate + NH3.
    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:0005515    protein binding    Interacting selectively and non-covalently with any protein or protein complex (a complex of two or more proteins that may include other nonprotein molecules).
    GO:0036381    pyridoxal 5'-phosphate synthase (glutamine hydrolysing) activity    Catalysis of the reaction: D-ribose 5-phosphate + D-glyceraldehyde 3-phosphate + L-glutamine = pyridoxal 5'-phosphate + L-glutamate + 3 H2O + phosphate. The reaction occurs in two steps: L-glutamine + H2O = L-glutamate + NH3, and subsequently D-ribose 5-phosphate + D-glyceraldehyde 3-phosphate + NH3 = pyridoxal 5'-phosphate + 4 H2O + phosphate.
biological process
    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:0042823    pyridoxal phosphate biosynthetic process    The chemical reactions and pathways resulting in the formation of pyridoxal phosphate, pyridoxal phosphorylated at the hydroxymethyl group of C-5, the active form of vitamin B6.
    GO:0008615    pyridoxine biosynthetic process    The chemical reactions and pathways resulting in the formation of pyridoxine, 2-methyl-3-hydroxy-4,5-bis(hydroxymethyl)pyridine, one of the vitamin B6 compounds.
    GO:0009228    thiamine biosynthetic process    The chemical reactions and pathways resulting in the formation of thiamine (vitamin B1), a water soluble vitamin present in fresh vegetables and meats, especially liver.
    GO:0042819    vitamin B6 biosynthetic process    The chemical reactions and pathways resulting in the formation of any of the vitamin B6 compounds; pyridoxal, pyridoxamine and pyridoxine and the active form, pyridoxal phosphate.
cellular component
    GO:1903600    glutaminase complex    A protein complex which is capable of glutaminase activity.

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 Related Entries

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

UniProtKB/Swiss-Prot
        SNZ1_YEAST | Q031483fem 3o06 3o07

(-) Related Entries Specified in the PDB File

3o06 3o07