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(-) Description

Title :  CRYSTAL STRUCTURE OF L-HISTIDINOL PHOSPHATE AMINOTRANSFERASE WITH PLP
 
Authors :  J. Sivaraman, Y. Li, R. Larocque, J. D. Schrag, M. Cygler, A. Matte
Date :  26 Apr 01  (Deposition) - 29 Aug 01  (Release) - 13 Jul 11  (Revision)
Method :  X-RAY DIFFRACTION
Resolution :  2.20
Chains :  Asym. Unit :  A
Biol. Unit 1:  A  (2x)
Keywords :  Aminotransferase, Hisc, Histidine Biosynthesis, Pyridoxal Phosphate, Transferase (Keyword Search: [Gene Ontology, PubMed, Web (Google))
 
Reference :  J. Sivaraman, Y. Li, R. Larocque, J. D. Schrag, M. Cygler, A. Matte
Crystal Structure Of Histidinol Phosphate Aminotransferase (Hisc) From Escherichia Coli, And Its Covalent Complex With Pyridoxal-5'-Phosphate And L-Histidinol Phosphate.
J. Mol. Biol. V. 311 761 2001
PubMed-ID: 11518529  |  Reference-DOI: 10.1006/JMBI.2001.4882

(-) Compounds

Molecule 1 - HISTIDINOL PHOSPHATE AMINOTRANSFERASE
    ChainsA
    EC Number2.6.1.9
    EngineeredYES
    Expression SystemESCHERICHIA COLI
    Expression System StrainDL41
    Expression System Taxid562
    Organism ScientificESCHERICHIA COLI
    Organism Taxid562
    SynonymL-HISTIDINOL-PHOSPHATE AMINOTRANSFERASE, IMIDAZOLE ACETOL- PHOSPHATE TRANSAMINASE

 Structural Features

(-) Chains, Units

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

Summary Information (see also Sequences/Alignments below)

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

Asymmetric Unit (1, 1)
No.NameCountTypeFull Name
1PLP1Ligand/IonPYRIDOXAL-5'-PHOSPHATE
Biological Unit 1 (1, 2)
No.NameCountTypeFull Name
1PLP2Ligand/IonPYRIDOXAL-5'-PHOSPHATE

(-) Sites  (1, 1)

Asymmetric Unit (1, 1)
No.NameEvidenceResiduesDescription
1AC1SOFTWARETYR A:55 , GLY A:83 , ALA A:84 , ASP A:85 , TYR A:110 , CYS A:153 , ASN A:157 , ASP A:184 , ALA A:186 , TYR A:187 , THR A:211 , SER A:213 , LYS A:214 , ARG A:222BINDING SITE FOR RESIDUE PLP A 500

(-) SS Bonds  (0, 0)

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

(-) Cis Peptide Bonds  (3, 3)

Asymmetric Unit
No.Residues
1Pro A:107 -Pro A:108
2Ser A:154 -Pro A:155
3Asn A:157 -Pro A:158

 Sequence-Structure Mapping

(-) SAPs(SNPs)/Variants  (0, 0)

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

(-) PROSITE Motifs  (1, 1)

Asymmetric Unit (1, 1)
 PROSITEUniProtKBPDB
No.IDACDescriptionIDLocationCountLocation
1AA_TRANSFER_CLASS_2PS00599 Aminotransferases class-II pyridoxal-phosphate attachment site.HIS8_ECOLI211-220  1A:211-220
Biological Unit 1 (1, 2)
 PROSITEUniProtKBPDB
No.IDACDescriptionIDLocationCountLocation
1AA_TRANSFER_CLASS_2PS00599 Aminotransferases class-II pyridoxal-phosphate attachment site.HIS8_ECOLI211-220  2A:211-220

(-) Exons   (0, 0)

(no "Exon" information available for 1IJI)

(-) 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:354
 aligned with HIS8_ECOLI | P06986 from UniProtKB/Swiss-Prot  Length:356

    Alignment length:354
                                    12        22        32        42        52        62        72        82        92       102       112       122       132       142       152       162       172       182       192       202       212       222       232       242       252       262       272       282       292       302       312       322       332       342       352    
           HIS8_ECOLI     3 TVTITDLARENVRNLTPYQSARRLGGNGDVWLNANEYPTAVEFQLTQQTLNRYPECQPKAVIENYAQYAGVKPEQVLVSRGADEGIELLIRAFCEPGKDAILYCPPTYGMYSVSAETIGVECRTVPTLDNWQLDLQGISDKLDGVKVVYVCSPNNPTGQLINPQDFRTLLELTRGKAIVVADEAYIEFCPQASLAGWLAEYPHLAILRTLSKAFALAGLRCGFTLANEEVINLLMKVIAPYPLSTPVADIAAQALSPQGIVAMRERVAQIIAEREYLIAALKEIPCVEQVFDSETNYILARFKASSAVFKSLWDQGIILRDQNKQPSLSGCLRITVGTREESQRVIDALRAEQV 356
               SCOP domains d1ijia_ A: Histidinol-phosphate aminotransferase HisC                                                                                                                                                                                                                                                                                                              SCOP domains
               CATH domains --1ijiA02 A:5-43,A:261-350               ----------1ijiA01 A:54-258 Type I PLP-dependent aspartate aminotransferase-like (Major domain)                                                                                                                         --1ijiA02 A:5-43,A:261-350 Aspartate Aminotransferase, domain 1                             ------ CATH domains
               Pfam domains ------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------ Pfam domains
         Sec.struct. author ..hhhhhhhhhhhhh..............ee..........................hhhhhhhhhhhhh.hhh.eeeehhhhhhhhhhhhhhh.....eeee.....hhhhhhhhhhh.eeee.........hhhhhhh....eeeeeee..........hhhhhhhhhhhhh...eeeee..hhhhhhhhhhhhhhhhh..eeeeee......hhhhh.eeeeehhhhhhhhhh.......hhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhh....eeee......eeeeee.hhhhhhhhhhhh.ee.ee.........eeeee..hhhhhhhhhhhhhh... Sec.struct. author
                 SAPs(SNPs) ------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------ SAPs(SNPs)
                    PROSITE ----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------AA_TRANSFE---------------------------------------------------------------------------------------------------------------------------------------- PROSITE
                 Transcript ------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------ Transcript
                 1iji A   3 TVTITDLARENVRNLTPYQSARRLGGNGDVWLNANEYPTAVEFQLTQQTLNRYPECQPKAVIENYAQYAGVKPEQVLVSRGADEGIELLIRAFCEPGKDAILYCPPTYGMYSVSAETIGVECRTVPTLDNWQLDLQGISDKLDGVKVVYVCSPNNPTGQLINPQDFRTLLELTRGKAIVVADEAYIEFCPQASLAGWLAEYPHLAILRTLSKAFALAGLRCGFTLANEEVINLLMKVIAPYPLSTPVADIAAQALSPQGIVAMRERVAQIIAEREYLIAALKEIPCVEQVFDSETNYILARFKASSAVFKSLWDQGIILRDQNKQPSLSGCLRITVGTREESQRVIDALRAEQV 356
                                    12        22        32        42        52        62        72        82        92       102       112       122       132       142       152       162       172       182       192       202       212       222       232       242       252       262       272       282       292       302       312       322       332       342       352    

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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 Unit

(-) CATH Domains  (2, 2)

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

(-) Pfam Domains  (0, 0)

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

(-) Gene Ontology  (12, 12)

Asymmetric Unit(hide GO term definitions)
Chain A   (HIS8_ECOLI | P06986)
molecular function
    GO:0080130    L-phenylalanine:2-oxoglutarate aminotransferase activity    Catalysis of the reaction: L-phenylalanine + 2-oxoglutarate = phenylpyruvate + L-glutamate.
    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:0004400    histidinol-phosphate transaminase activity    Catalysis of the reaction: L-histidinol-phosphate + 2-oxoglutarate = 3-(imidazol-4-yl)-2-oxopropyl phosphate + L-glutamate.
    GO:0042802    identical protein binding    Interacting selectively and non-covalently with an identical protein or proteins.
    GO:0030170    pyridoxal phosphate binding    Interacting selectively and non-covalently with pyridoxal 5' phosphate, 3-hydroxy-5-(hydroxymethyl)-2-methyl4-pyridine carboxaldehyde 5' phosphate, the biologically active form of vitamin B6.
    GO:0008483    transaminase activity    Catalysis of the transfer of an amino group to an acceptor, usually a 2-oxo acid.
    GO:0016740    transferase activity    Catalysis of the transfer of a group, e.g. a methyl group, glycosyl group, acyl group, phosphorus-containing, or other groups, from one compound (generally regarded as the donor) to another compound (generally regarded as the acceptor). Transferase is the systematic name for any enzyme of EC class 2.
biological process
    GO:0009058    biosynthetic process    The chemical reactions and pathways resulting in the formation of substances; typically the energy-requiring part of metabolism in which simpler substances are transformed into more complex ones.
    GO:0008652    cellular amino acid biosynthetic process    The chemical reactions and pathways resulting in the formation of amino acids, organic acids containing one or more amino substituents.
    GO:0000105    histidine biosynthetic process    The chemical reactions and pathways resulting in the formation of histidine, 2-amino-3-(1H-imidazol-4-yl)propanoic acid.
    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.
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
        HIS8_ECOLI | P069861fg3 1fg7 1gew 1gex 1gey

(-) Related Entries Specified in the PDB File

1fg3 1fg7