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(-) Description

Title :  X-RAY STRUCTURE OF ESCHERICHIA COLI PYRIDOXINE 5'-PHOSPHATE OXIDASE COMPLEXED WITH PYRIDOXAL 5'-PHOSPHATE AT 2.0 A RESOLUTION
 
Authors :  M. K. Safo, F. N. Musayev, M. L. Di Salvo, V. Schirch
Date :  09 Nov 00  (Deposition) - 29 Nov 00  (Release) - 13 Jul 11  (Revision)
Method :  X-RAY DIFFRACTION
Resolution :  2.20
Chains :  Asym. Unit :  A
Biol. Unit 1:  A  (2x)
Keywords :  Plp Complex, Fmn Complex, Pyridoxine 5'-Phosphate, Oxidoreductase (Keyword Search: [Gene Ontology, PubMed, Web (Google))
 
Reference :  M. K. Safo, F. N. Musayev, M. L. Di Salvo, V. Schirch
X-Ray Structure Of Escherichia Coli Pyridoxine 5'-Phosphate Oxidase Complexed With Pyridoxal 5'-Phosphate At 2. 0 A Resolution.
J. Mol. Biol. V. 310 817 2001
PubMed-ID: 11453690  |  Reference-DOI: 10.1006/JMBI.2001.4734

(-) Compounds

Molecule 1 - PYRIDOXINE 5'-PHOSPHATE OXIDASE
    ChainsA
    EC Number1.4.3.5
    EngineeredYES
    Expression SystemESCHERICHIA COLI
    Expression System PlasmidPET22B
    Expression System Taxid562
    Expression System Vector TypePLASMID
    Organism ScientificESCHERICHIA COLI
    Organism Taxid562

 Structural Features

(-) Chains, Units

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

Summary Information (see also Sequences/Alignments below)

(-) Ligands, Modified Residues, Ions  (4, 9)

Asymmetric Unit (4, 9)
No.NameCountTypeFull Name
1FMN1Ligand/IonFLAVIN MONONUCLEOTIDE
2MSE4Mod. Amino AcidSELENOMETHIONINE
3PLP2Ligand/IonPYRIDOXAL-5'-PHOSPHATE
4PO42Ligand/IonPHOSPHATE ION
Biological Unit 1 (4, 18)
No.NameCountTypeFull Name
1FMN2Ligand/IonFLAVIN MONONUCLEOTIDE
2MSE8Mod. Amino AcidSELENOMETHIONINE
3PLP4Ligand/IonPYRIDOXAL-5'-PHOSPHATE
4PO44Ligand/IonPHOSPHATE ION

(-) Sites  (5, 5)

Asymmetric Unit (5, 5)
No.NameEvidenceResiduesDescription
1AC1SOFTWAREARG A:23 , ARG A:24 , ARG A:120 , ALA A:152 , ARG A:153 , ARG A:215 , HOH A:311 , HOH A:342BINDING SITE FOR RESIDUE PO4 A 280
2AC2SOFTWARESER A:148 , ARG A:149BINDING SITE FOR RESIDUE PO4 A 290
3AC3SOFTWAREARG A:67 , ILE A:68 , VAL A:69 , LEU A:70 , TYR A:82 , THR A:83 , SER A:87 , ARG A:88 , LYS A:89 , GLN A:111 , GLN A:146 , SER A:147 , TRP A:191 , ARG A:201 , PLP A:260 , HOH A:308 , HOH A:315 , HOH A:330BINDING SITE FOR RESIDUE FMN A 250
4AC4SOFTWARELYS A:72 , TYR A:129 , ARG A:133 , SER A:137 , ARG A:197 , HIS A:199 , PRO A:218 , FMN A:250BINDING SITE FOR RESIDUE PLP A 260
5AC5SOFTWAREARG A:25 , ASP A:26 , ASN A:84 , TRP A:142 , SER A:144 , LYS A:145 , PHE A:177 , HOH A:481 , HOH A:491BINDING SITE FOR RESIDUE PLP A 270

(-) SS Bonds  (0, 0)

(no "SS Bond" information available for 1G78)

(-) Cis Peptide Bonds  (0, 0)

(no "Cis Peptide Bond" information available for 1G78)

 Sequence-Structure Mapping

(-) SAPs(SNPs)/Variants  (0, 0)

(no "SAP(SNP)/Variant" information available for 1G78)

(-) PROSITE Motifs  (1, 1)

Asymmetric Unit (1, 1)
 PROSITEUniProtKBPDB
No.IDACDescriptionIDLocationCountLocation
1PYRIDOX_OXIDASEPS01064 Pyridoxamine 5'-phosphate oxidase signature.PDXH_SHIFL188-201  1A:188-201
PDXH_ECOLI188-201  1A:188-201
Biological Unit 1 (1, 4)
 PROSITEUniProtKBPDB
No.IDACDescriptionIDLocationCountLocation
1PYRIDOX_OXIDASEPS01064 Pyridoxamine 5'-phosphate oxidase signature.PDXH_SHIFL188-201  2A:188-201
PDXH_ECOLI188-201  2A:188-201

(-) Exons   (0, 0)

(no "Exon" information available for 1G78)

(-) 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:199
 aligned with PDXH_ECOLI | P0AFI7 from UniProtKB/Swiss-Prot  Length:218

    Alignment length:199
                                    29        39        49        59        69        79        89        99       109       119       129       139       149       159       169       179       189       199       209         
           PDXH_ECOLI    20 GGLRRRDLPADPLTLFERWLSQACEAKLADPTAMVVATVDEHGQPYQRIVLLKHYDEKGMVFYTNLGSRKAHQIENNPRVSLLFPWHTLERQVMVIGKAERLSTLEVMKYFHSRPRDSQIGAWVSKQSSRISARGILESKFLELKQKFQQGEVPLPSFWGGFRVSLEQIEFWQGGEHRLHDRFLYQRENDAWKIDRLAP 218
               SCOP domains d1g78a_ A: Pyridoxine 5'-phoshate oxidase (PNP oxidase)                                                                                                                                                 SCOP domains
               CATH domains 1g78A00 A:20-218 Electron Transport, Fmn-binding Protein; Chain A                                                                                                                                       CATH domains
               Pfam domains ------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- Pfam domains
         Sec.struct. author ...hhhhh..hhhhhhhhhhhhhhhh......eeeeeee.....eeeeeeeeeeee..eeeeeee..hhhhhhhhhh.eeeeee.hhhh.eeeeeeeeeee.hhhhhhhhhh..hhhhhhhhhhh........hhhhhhhhhhhhhhhh.........eeeeeeeeeeeeeee.hhhhh.eeeeeee....eeeee... Sec.struct. author
                 SAPs(SNPs) ------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- SAPs(SNPs)
                PROSITE (2) ------------------------------------------------------------------------------------------------------------------------------------------------------------------------PYRIDOX_OXIDAS----------------- PROSITE (2)
                 Transcript ------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- Transcript
                 1g78 A  20 GGLRRRDLPADPLTLFERWLSQACEAKLADPTAmVVATVDEHGQPYQRIVLLKHYDEKGmVFYTNLGSRKAHQIENNPRVSLLFPWHTLERQVmVIGKAERLSTLEVmKYFHSRPRDSQIGAWVSKQSSRISARGILESKFLELKQKFQQGEVPLPSFWGGFRVSLEQIEFWQGGEHRLHDRFLYQRENDAWKIDRLAP 218
                                    29        39        49   |    59        69        79        89        99       109   |   119       129       139       149       159       169       179       189       199       209         
                                                            53-MSE                    79-MSE                           113-MSE       127-MSE                                                                                       

Chain A from PDB  Type:PROTEIN  Length:199
 aligned with PDXH_SHIFL | P0AFI8 from UniProtKB/Swiss-Prot  Length:218

    Alignment length:199
                                    29        39        49        59        69        79        89        99       109       119       129       139       149       159       169       179       189       199       209         
           PDXH_SHIFL    20 GGLRRRDLPADPLTLFERWLSQACEAKLADPTAMVVATVDEHGQPYQRIVLLKHYDEKGMVFYTNLGSRKAHQIENNPRVSLLFPWHTLERQVMVIGKAERLSTLEVMKYFHSRPRDSQIGAWVSKQSSRISARGILESKFLELKQKFQQGEVPLPSFWGGFRVSLEQIEFWQGGEHRLHDRFLYQRENDAWKIDRLAP 218
               SCOP domains d1g78a_ A: Pyridoxine 5'-phoshate oxidase (PNP oxidase)                                                                                                                                                 SCOP domains
               CATH domains 1g78A00 A:20-218 Electron Transport, Fmn-binding Protein; Chain A                                                                                                                                       CATH domains
               Pfam domains ------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- Pfam domains
         Sec.struct. author ...hhhhh..hhhhhhhhhhhhhhhh......eeeeeee.....eeeeeeeeeeee..eeeeeee..hhhhhhhhhh.eeeeee.hhhh.eeeeeeeeeee.hhhhhhhhhh..hhhhhhhhhhh........hhhhhhhhhhhhhhhh.........eeeeeeeeeeeeeee.hhhhh.eeeeeee....eeeee... Sec.struct. author
                 SAPs(SNPs) ------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- SAPs(SNPs)
                    PROSITE ------------------------------------------------------------------------------------------------------------------------------------------------------------------------PYRIDOX_OXIDAS----------------- PROSITE
                 Transcript ------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- Transcript
                 1g78 A  20 GGLRRRDLPADPLTLFERWLSQACEAKLADPTAmVVATVDEHGQPYQRIVLLKHYDEKGmVFYTNLGSRKAHQIENNPRVSLLFPWHTLERQVmVIGKAERLSTLEVmKYFHSRPRDSQIGAWVSKQSSRISARGILESKFLELKQKFQQGEVPLPSFWGGFRVSLEQIEFWQGGEHRLHDRFLYQRENDAWKIDRLAP 218
                                    29        39        49   |    59        69        79        89        99       109   |   119       129       139       149       159       169       179       189       199       209         
                                                            53-MSE                    79-MSE                           113-MSE       127-MSE                                                                                       

   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, 1)

Asymmetric Unit

(-) CATH Domains  (1, 1)

Asymmetric Unit
(-)
Class: Mainly Beta (13760)

(-) Pfam Domains  (0, 0)

(no "Pfam Domain" information available for 1G78)

(-) Gene Ontology  (10, 17)

Asymmetric Unit(hide GO term definitions)
Chain A   (PDXH_SHIFL | P0AFI8)
molecular function
    GO:0010181    FMN binding    Interacting selectively and non-covalently with flavin mono nucleotide. Flavin mono nucleotide (FMN) is the coenzyme or the prosthetic group of various flavoprotein oxidoreductase enzymes.
    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:0016638    oxidoreductase activity, acting on the CH-NH2 group of donors    Catalysis of an oxidation-reduction (redox) reaction in which a CH-NH2 group acts as a hydrogen or electron donor and reduces a hydrogen or electron acceptor.
    GO:0004733    pyridoxamine-phosphate oxidase activity    Catalysis of the reaction: pyridoxamine 5'-phosphate + H2O + O2 = pyridoxal 5'-phosphate + NH3 + hydrogen peroxide.
biological process
    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: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:0042816    vitamin B6 metabolic process    The chemical reactions and pathways involving any of the vitamin B6 compounds: pyridoxal, pyridoxamine and pyridoxine and the active form, pyridoxal phosphate.

Chain A   (PDXH_ECOLI | P0AFI7)
molecular function
    GO:0010181    FMN binding    Interacting selectively and non-covalently with flavin mono nucleotide. Flavin mono nucleotide (FMN) is the coenzyme or the prosthetic group of various flavoprotein oxidoreductase enzymes.
    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:0016638    oxidoreductase activity, acting on the CH-NH2 group of donors    Catalysis of an oxidation-reduction (redox) reaction in which a CH-NH2 group acts as a hydrogen or electron donor and reduces a hydrogen or electron acceptor.
    GO:0004733    pyridoxamine-phosphate oxidase activity    Catalysis of the reaction: pyridoxamine 5'-phosphate + H2O + O2 = pyridoxal 5'-phosphate + NH3 + hydrogen peroxide.
biological process
    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:0009443    pyridoxal 5'-phosphate salvage    Any process that generates pyridoxal 5'-phosphate, the active form of vitamin B6, from derivatives of it without de novo synthesis.
    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:0042816    vitamin B6 metabolic process    The chemical reactions and pathways involving any of the vitamin B6 compounds: pyridoxal, pyridoxamine and pyridoxine and the active form, pyridoxal phosphate.
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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 Related Entries

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

UniProtKB/Swiss-Prot
        PDXH_ECOLI | P0AFI71dnl 1g76 1g77 1g79 1jnw 1wv4
        PDXH_SHIFL | P0AFI81dnl 1g76 1g77 1g79 1jnw 1wv4

(-) Related Entries Specified in the PDB File

1g76 1G76 CONTAINS THE SAME PROTEIN COMPLEXED WITH THE SAME LIGAND. HOWEVER, THE NUMBER OF BOUND LIGANDS DIFFER.
1g77 1G77 CONTAINS THE SAME PROTEIN COMPLEXED WITH THE SAME LIGAND. HOWEVER, THE NUMBER OF BOUND LIGANDS DIFFER.