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(-) Description

Title :  HYPOXANTHINE PHOSPHORIBOSYLTRANSFERASE FROM E. COLI
 
Authors :  L. W. Guddat, S. Vos, J. L. Martin, D. T. Keough, J. De Jersey
Date :  17 Dec 01  (Deposition) - 13 Dec 02  (Release) - 24 Feb 09  (Revision)
Method :  X-RAY DIFFRACTION
Resolution :  2.90
Chains :  Asym. Unit :  A,B
Biol. Unit 1:  A,B  (2x)
Keywords :  Ribosyltransferase, Transferase, Glycosyltransferase (Keyword Search: [Gene Ontology, PubMed, Web (Google))
 
Reference :  L. W. Guddat, S. Vos, J. L. Martin, D. T. Keough, J. De Jersey
Crystal Structures Of Free, Imp-, And Gmp- Bound Escherichia Coli Hypoxanthine Phosphoribosyltransferase
Protein Sci. V. 11 1626 2002
PubMed-ID: 12070315  |  Reference-DOI: 10.1110/PS.0201002

(-) Compounds

Molecule 1 - HYPOXANTHINE PHOSPHORIBOSYLTRANSFERASE
    ChainsA, B
    EC Number2.4.2.8
    EngineeredYES
    Expression SystemESCHERICHIA COLI
    Expression System Taxid562
    Organism ScientificESCHERICHIA COLI
    Organism Taxid562
    SynonymHPRT

 Structural Features

(-) Chains, Units

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

Summary Information (see also Sequences/Alignments below)

(-) Ligands, Modified Residues, Ions  (1, 2)

Asymmetric Unit (1, 2)
No.NameCountTypeFull Name
1MG2Ligand/IonMAGNESIUM ION
Biological Unit 1 (0, 0)
No.NameCountTypeFull Name
1MG-1Ligand/IonMAGNESIUM ION

(-) Sites  (2, 2)

Asymmetric Unit (2, 2)
No.NameEvidenceResiduesDescription
1AC1SOFTWAREGLU B:103 , ASP B:104 , HOH B:2024 , HOH B:2026BINDING SITE FOR RESIDUE MG A 490
2AC2SOFTWAREGLU A:103 , ASP A:104 , HOH A:2018 , HOH A:2019BINDING SITE FOR RESIDUE MG B 491

(-) SS Bonds  (0, 0)

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

(-) Cis Peptide Bonds  (2, 2)

Asymmetric Unit
No.Residues
1Leu A:46 -Arg A:47
2Leu B:46 -Arg B:47

 Sequence-Structure Mapping

(-) SAPs(SNPs)/Variants  (0, 0)

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

(-) PROSITE Motifs  (1, 2)

Asymmetric Unit (1, 2)
 PROSITEUniProtKBPDB
No.IDACDescriptionIDLocationCountLocation
1PUR_PYR_PR_TRANSFERPS00103 Purine/pyrimidine phosphoribosyl transferases signature.HPRT_ECOL695-107
 
  2A:99-111
B:99-111
HPRT_ECOLI95-107
 
  2A:99-111
B:99-111
HPRT_SHIFL95-107
 
  2A:99-111
B:99-111
Biological Unit 1 (1, 12)
 PROSITEUniProtKBPDB
No.IDACDescriptionIDLocationCountLocation
1PUR_PYR_PR_TRANSFERPS00103 Purine/pyrimidine phosphoribosyl transferases signature.HPRT_ECOL695-107
 
  4A:99-111
B:99-111
HPRT_ECOLI95-107
 
  4A:99-111
B:99-111
HPRT_SHIFL95-107
 
  4A:99-111
B:99-111

(-) Exons   (0, 0)

(no "Exon" information available for 1GRV)

(-) 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:168
 aligned with HPRT_ECOL6 | P0A9M3 from UniProtKB/Swiss-Prot  Length:178

    Alignment length:177
                                    10        20        30        40        50        60        70        80        90       100       110       120       130       140       150       160       170       
           HPRT_ECOL6     1 MKHTVEVMIPEAEIKARIAELGRQITERYKDSGSDMVLVGLLRGSFMFMADLCREVQVSHEVDFMTASSYGSGMSTTRDVKILKDLDEDIRGKDVLIVEDIIDSGNTLSKVREILSLREPKSLAICTLLDKPSRREVNVPVEFIGFSIPDEFVVGYGIDYAQRYRHLPYIGKVILLD 177
               SCOP domains d1grva_ A: Hypoxanthine PRTase                                                                                                                                                    SCOP domains
               CATH domains 1grvA00 A:5-181  [code=3.40.50.2020, no name defined]                                                                                                                             CATH domains
               Pfam domains --------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- Pfam domains
         Sec.struct. author ..eeeeeeehhhhhhhhhhhhhhhhhhhhh.....eeeeee...hhhhhhhhhhhh...eeeeeeee.---------....eee.........eeeeeeeee..hhhhhhhhhhhhh....eeeeeeeee.hhhh.......eeeee.....ee...............eeeeee.. Sec.struct. author
                 SAPs(SNPs) --------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- SAPs(SNPs)
                    PROSITE ----------------------------------------------------------------------------------------------PUR_PYR_PR_TR---------------------------------------------------------------------- PROSITE
                 Transcript --------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- Transcript
                 1grv A   5 MKHTVEVMIPEAEIKARIAELGRQITERYKDSGSDMVLVGLLRGSFMFMADLCREVQVSHEVDFMTAS---------RDLKILKDLDEDIRGKDVLIVEDIIDSGNTLSKVREILSLREPKSLAICTLLDKPSRREVNVPVEFIGFSIPDEFVVGYGIDYAQRYRHLPYIGKVILLD 181
                                    14        24        34        44        54        64       | -       |84        94       104       114       124       134       144       154       164       174       
                                                                                              72        82                                                                                                   

Chain A from PDB  Type:PROTEIN  Length:168
 aligned with HPRT_ECOLI | P0A9M2 from UniProtKB/Swiss-Prot  Length:178

    Alignment length:177
                                    10        20        30        40        50        60        70        80        90       100       110       120       130       140       150       160       170       
           HPRT_ECOLI     1 MKHTVEVMIPEAEIKARIAELGRQITERYKDSGSDMVLVGLLRGSFMFMADLCREVQVSHEVDFMTASSYGSGMSTTRDVKILKDLDEDIRGKDVLIVEDIIDSGNTLSKVREILSLREPKSLAICTLLDKPSRREVNVPVEFIGFSIPDEFVVGYGIDYAQRYRHLPYIGKVILLD 177
               SCOP domains d1grva_ A: Hypoxanthine PRTase                                                                                                                                                    SCOP domains
               CATH domains 1grvA00 A:5-181  [code=3.40.50.2020, no name defined]                                                                                                                             CATH domains
               Pfam domains --------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- Pfam domains
         Sec.struct. author ..eeeeeeehhhhhhhhhhhhhhhhhhhhh.....eeeeee...hhhhhhhhhhhh...eeeeeeee.---------....eee.........eeeeeeeee..hhhhhhhhhhhhh....eeeeeeeee.hhhh.......eeeee.....ee...............eeeeee.. Sec.struct. author
                 SAPs(SNPs) --------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- SAPs(SNPs)
                PROSITE (2) --------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- PROSITE (2)
                PROSITE (3) ----------------------------------------------------------------------------------------------PUR_PYR_PR_TR---------------------------------------------------------------------- PROSITE (3)
                 Transcript --------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- Transcript
                 1grv A   5 MKHTVEVMIPEAEIKARIAELGRQITERYKDSGSDMVLVGLLRGSFMFMADLCREVQVSHEVDFMTAS---------RDLKILKDLDEDIRGKDVLIVEDIIDSGNTLSKVREILSLREPKSLAICTLLDKPSRREVNVPVEFIGFSIPDEFVVGYGIDYAQRYRHLPYIGKVILLD 181
                                    14        24        34        44        54        64       | -       |84        94       104       114       124       134       144       154       164       174       
                                                                                              72        82                                                                                                   

Chain A from PDB  Type:PROTEIN  Length:168
 aligned with HPRT_SHIFL | P0A9M4 from UniProtKB/Swiss-Prot  Length:178

    Alignment length:177
                                    10        20        30        40        50        60        70        80        90       100       110       120       130       140       150       160       170       
           HPRT_SHIFL     1 MKHTVEVMIPEAEIKARIAELGRQITERYKDSGSDMVLVGLLRGSFMFMADLCREVQVSHEVDFMTASSYGSGMSTTRDVKILKDLDEDIRGKDVLIVEDIIDSGNTLSKVREILSLREPKSLAICTLLDKPSRREVNVPVEFIGFSIPDEFVVGYGIDYAQRYRHLPYIGKVILLD 177
               SCOP domains d1grva_ A: Hypoxanthine PRTase                                                                                                                                                    SCOP domains
               CATH domains 1grvA00 A:5-181  [code=3.40.50.2020, no name defined]                                                                                                                             CATH domains
               Pfam domains --------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- Pfam domains
         Sec.struct. author ..eeeeeeehhhhhhhhhhhhhhhhhhhhh.....eeeeee...hhhhhhhhhhhh...eeeeeeee.---------....eee.........eeeeeeeee..hhhhhhhhhhhhh....eeeeeeeee.hhhh.......eeeee.....ee...............eeeeee.. Sec.struct. author
                 SAPs(SNPs) --------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- SAPs(SNPs)
                PROSITE (2) ----------------------------------------------------------------------------------------------PUR_PYR_PR_TR---------------------------------------------------------------------- PROSITE (2)
                 Transcript --------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- Transcript
                 1grv A   5 MKHTVEVMIPEAEIKARIAELGRQITERYKDSGSDMVLVGLLRGSFMFMADLCREVQVSHEVDFMTAS---------RDLKILKDLDEDIRGKDVLIVEDIIDSGNTLSKVREILSLREPKSLAICTLLDKPSRREVNVPVEFIGFSIPDEFVVGYGIDYAQRYRHLPYIGKVILLD 181
                                    14        24        34        44        54        64       | -       |84        94       104       114       124       134       144       154       164       174       
                                                                                              72        82                                                                                                   

Chain B from PDB  Type:PROTEIN  Length:169
 aligned with HPRT_ECOL6 | P0A9M3 from UniProtKB/Swiss-Prot  Length:178

    Alignment length:177
                                    10        20        30        40        50        60        70        80        90       100       110       120       130       140       150       160       170       
           HPRT_ECOL6     1 MKHTVEVMIPEAEIKARIAELGRQITERYKDSGSDMVLVGLLRGSFMFMADLCREVQVSHEVDFMTASSYGSGMSTTRDVKILKDLDEDIRGKDVLIVEDIIDSGNTLSKVREILSLREPKSLAICTLLDKPSRREVNVPVEFIGFSIPDEFVVGYGIDYAQRYRHLPYIGKVILLD 177
               SCOP domains d1grvb_ B: Hypoxanthine PRTase                                                                                                                                                    SCOP domains
               CATH domains 1grvB00 B:5-181  [code=3.40.50.2020, no name defined]                                                                                                                             CATH domains
               Pfam domains --------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- Pfam domains
         Sec.struct. author ..eeeeeeehhhhhhhhhhhhhhhhhhhhh.....eeeeee...hhhhhhhhhhhh...eeeeeeee..--------....eee.........eeeeeeeee..hhhhhhhhhhhhh....eeeeeeeee.hhhh.......eeeee.....ee...............eeeeee.. Sec.struct. author
                 SAPs(SNPs) --------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- SAPs(SNPs)
                    PROSITE ----------------------------------------------------------------------------------------------PUR_PYR_PR_TR---------------------------------------------------------------------- PROSITE
                 Transcript --------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- Transcript
                 1grv B   5 MKHTVEVMIPEAEIKARIAELGRQITERYKDSGSDMVLVGLLRGSFMFMADLCREVQVSHEVDFMTASS--------RDLKILKDLDEDIRGKDVLIVEDIIDSGNTLSKVREILSLREPKSLAICTLLDKPSRREVNVPVEFIGFSIPDEFVVGYGIDYAQRYRHLPYIGKVILLD 181
                                    14        24        34        44        54        64        |-       |84        94       104       114       124       134       144       154       164       174       
                                                                                               73       82                                                                                                   

Chain B from PDB  Type:PROTEIN  Length:169
 aligned with HPRT_ECOLI | P0A9M2 from UniProtKB/Swiss-Prot  Length:178

    Alignment length:177
                                    10        20        30        40        50        60        70        80        90       100       110       120       130       140       150       160       170       
           HPRT_ECOLI     1 MKHTVEVMIPEAEIKARIAELGRQITERYKDSGSDMVLVGLLRGSFMFMADLCREVQVSHEVDFMTASSYGSGMSTTRDVKILKDLDEDIRGKDVLIVEDIIDSGNTLSKVREILSLREPKSLAICTLLDKPSRREVNVPVEFIGFSIPDEFVVGYGIDYAQRYRHLPYIGKVILLD 177
               SCOP domains d1grvb_ B: Hypoxanthine PRTase                                                                                                                                                    SCOP domains
               CATH domains 1grvB00 B:5-181  [code=3.40.50.2020, no name defined]                                                                                                                             CATH domains
               Pfam domains --------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- Pfam domains
         Sec.struct. author ..eeeeeeehhhhhhhhhhhhhhhhhhhhh.....eeeeee...hhhhhhhhhhhh...eeeeeeee..--------....eee.........eeeeeeeee..hhhhhhhhhhhhh....eeeeeeeee.hhhh.......eeeee.....ee...............eeeeee.. Sec.struct. author
                 SAPs(SNPs) --------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- SAPs(SNPs)
                PROSITE (2) --------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- PROSITE (2)
                PROSITE (3) ----------------------------------------------------------------------------------------------PUR_PYR_PR_TR---------------------------------------------------------------------- PROSITE (3)
                 Transcript --------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- Transcript
                 1grv B   5 MKHTVEVMIPEAEIKARIAELGRQITERYKDSGSDMVLVGLLRGSFMFMADLCREVQVSHEVDFMTASS--------RDLKILKDLDEDIRGKDVLIVEDIIDSGNTLSKVREILSLREPKSLAICTLLDKPSRREVNVPVEFIGFSIPDEFVVGYGIDYAQRYRHLPYIGKVILLD 181
                                    14        24        34        44        54        64        |-       |84        94       104       114       124       134       144       154       164       174       
                                                                                               73       82                                                                                                   

Chain B from PDB  Type:PROTEIN  Length:169
 aligned with HPRT_SHIFL | P0A9M4 from UniProtKB/Swiss-Prot  Length:178

    Alignment length:177
                                    10        20        30        40        50        60        70        80        90       100       110       120       130       140       150       160       170       
           HPRT_SHIFL     1 MKHTVEVMIPEAEIKARIAELGRQITERYKDSGSDMVLVGLLRGSFMFMADLCREVQVSHEVDFMTASSYGSGMSTTRDVKILKDLDEDIRGKDVLIVEDIIDSGNTLSKVREILSLREPKSLAICTLLDKPSRREVNVPVEFIGFSIPDEFVVGYGIDYAQRYRHLPYIGKVILLD 177
               SCOP domains d1grvb_ B: Hypoxanthine PRTase                                                                                                                                                    SCOP domains
               CATH domains 1grvB00 B:5-181  [code=3.40.50.2020, no name defined]                                                                                                                             CATH domains
               Pfam domains --------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- Pfam domains
         Sec.struct. author ..eeeeeeehhhhhhhhhhhhhhhhhhhhh.....eeeeee...hhhhhhhhhhhh...eeeeeeee..--------....eee.........eeeeeeeee..hhhhhhhhhhhhh....eeeeeeeee.hhhh.......eeeee.....ee...............eeeeee.. Sec.struct. author
                 SAPs(SNPs) --------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- SAPs(SNPs)
                PROSITE (2) ----------------------------------------------------------------------------------------------PUR_PYR_PR_TR---------------------------------------------------------------------- PROSITE (2)
                 Transcript --------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- Transcript
                 1grv B   5 MKHTVEVMIPEAEIKARIAELGRQITERYKDSGSDMVLVGLLRGSFMFMADLCREVQVSHEVDFMTASS--------RDLKILKDLDEDIRGKDVLIVEDIIDSGNTLSKVREILSLREPKSLAICTLLDKPSRREVNVPVEFIGFSIPDEFVVGYGIDYAQRYRHLPYIGKVILLD 181
                                    14        24        34        44        54        64        |-       |84        94       104       114       124       134       144       154       164       174       
                                                                                               73       82                                                                                                   

   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, 2)

Asymmetric Unit

(-) CATH Domains  (1, 2)

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

(-) Pfam Domains  (0, 0)

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

(-) Gene Ontology  (13, 33)

Asymmetric Unit(hide GO term definitions)
Chain A,B   (HPRT_ECOL6 | P0A9M3)
molecular function
    GO:0052657    guanine phosphoribosyltransferase activity    Catalysis of the reaction: GMP + diphosphate = guanine + 5-phospho-alpha-D-ribose 1-diphosphate.
    GO:0004422    hypoxanthine phosphoribosyltransferase activity    Catalysis of the reaction: IMP + diphosphate = hypoxanthine + 5-phospho-alpha-D-ribose 1-diphosphate.
    GO:0046872    metal ion binding    Interacting selectively and non-covalently with any metal ion.
    GO:0000166    nucleotide binding    Interacting selectively and non-covalently with a nucleotide, any compound consisting of a nucleoside that is esterified with (ortho)phosphate or an oligophosphate at any hydroxyl group on the ribose or deoxyribose.
    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.
    GO:0016757    transferase activity, transferring glycosyl groups    Catalysis of the transfer of a glycosyl group from one compound (donor) to another (acceptor).
biological process
    GO:0032264    IMP salvage    Any process which produces inosine monophosphate from derivatives of it, without de novo synthesis.
    GO:0009116    nucleoside metabolic process    The chemical reactions and pathways involving a nucleoside, a nucleobase linked to either beta-D-ribofuranose (a ribonucleoside) or 2-deoxy-beta-D-ribofuranose, (a deoxyribonucleoside), e.g. adenosine, guanosine, inosine, cytidine, uridine and deoxyadenosine, deoxyguanosine, deoxycytidine and thymidine (= deoxythymidine).
    GO:0006166    purine ribonucleoside salvage    Any process which produces a purine nucleoside from derivatives of it, without de novo synthesis.
cellular component
    GO:0005737    cytoplasm    All of the contents of a cell excluding the plasma membrane and nucleus, but including other subcellular structures.

Chain A,B   (HPRT_ECOLI | P0A9M2)
molecular function
    GO:0052657    guanine phosphoribosyltransferase activity    Catalysis of the reaction: GMP + diphosphate = guanine + 5-phospho-alpha-D-ribose 1-diphosphate.
    GO:0004422    hypoxanthine phosphoribosyltransferase activity    Catalysis of the reaction: IMP + diphosphate = hypoxanthine + 5-phospho-alpha-D-ribose 1-diphosphate.
    GO:0000287    magnesium ion binding    Interacting selectively and non-covalently with magnesium (Mg) ions.
    GO:0046872    metal ion binding    Interacting selectively and non-covalently with any metal ion.
    GO:0000166    nucleotide binding    Interacting selectively and non-covalently with a nucleotide, any compound consisting of a nucleoside that is esterified with (ortho)phosphate or an oligophosphate at any hydroxyl group on the ribose or deoxyribose.
    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.
    GO:0016757    transferase activity, transferring glycosyl groups    Catalysis of the transfer of a glycosyl group from one compound (donor) to another (acceptor).
biological process
    GO:0032263    GMP salvage    Any process which produces guanosine monophosphate from derivatives of it, without de novo synthesis.
    GO:0032264    IMP salvage    Any process which produces inosine monophosphate from derivatives of it, without de novo synthesis.
    GO:0009116    nucleoside metabolic process    The chemical reactions and pathways involving a nucleoside, a nucleobase linked to either beta-D-ribofuranose (a ribonucleoside) or 2-deoxy-beta-D-ribofuranose, (a deoxyribonucleoside), e.g. adenosine, guanosine, inosine, cytidine, uridine and deoxyadenosine, deoxyguanosine, deoxycytidine and thymidine (= deoxythymidine).
    GO:0006166    purine ribonucleoside salvage    Any process which produces a purine nucleoside from derivatives of it, without de novo synthesis.
cellular component
    GO:0005737    cytoplasm    All of the contents of a cell excluding the plasma membrane and nucleus, but including other subcellular structures.
    GO:0005829    cytosol    The part of the cytoplasm that does not contain organelles but which does contain other particulate matter, such as protein complexes.

Chain A,B   (HPRT_SHIFL | P0A9M4)
molecular function
    GO:0052657    guanine phosphoribosyltransferase activity    Catalysis of the reaction: GMP + diphosphate = guanine + 5-phospho-alpha-D-ribose 1-diphosphate.
    GO:0004422    hypoxanthine phosphoribosyltransferase activity    Catalysis of the reaction: IMP + diphosphate = hypoxanthine + 5-phospho-alpha-D-ribose 1-diphosphate.
    GO:0046872    metal ion binding    Interacting selectively and non-covalently with any metal ion.
    GO:0000166    nucleotide binding    Interacting selectively and non-covalently with a nucleotide, any compound consisting of a nucleoside that is esterified with (ortho)phosphate or an oligophosphate at any hydroxyl group on the ribose or deoxyribose.
    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.
    GO:0016757    transferase activity, transferring glycosyl groups    Catalysis of the transfer of a glycosyl group from one compound (donor) to another (acceptor).
biological process
    GO:0032264    IMP salvage    Any process which produces inosine monophosphate from derivatives of it, without de novo synthesis.
    GO:0009116    nucleoside metabolic process    The chemical reactions and pathways involving a nucleoside, a nucleobase linked to either beta-D-ribofuranose (a ribonucleoside) or 2-deoxy-beta-D-ribofuranose, (a deoxyribonucleoside), e.g. adenosine, guanosine, inosine, cytidine, uridine and deoxyadenosine, deoxyguanosine, deoxycytidine and thymidine (= deoxythymidine).
    GO:0006166    purine ribonucleoside salvage    Any process which produces a purine nucleoside from derivatives of it, without de novo synthesis.
cellular component
    GO:0005737    cytoplasm    All of the contents of a cell excluding the plasma membrane and nucleus, but including other subcellular structures.

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  HPRT_ECOL6 | P0A9M3
    Protein Disorder PredictionDisEMBL | FoldIndex | GLOBPLOT (for more information see DisProt)
  HPRT_ECOLI | P0A9M2
    Protein Disorder PredictionDisEMBL | FoldIndex | GLOBPLOT (for more information see DisProt)
  HPRT_SHIFL | P0A9M4
    Protein Disorder PredictionDisEMBL | FoldIndex | GLOBPLOT (for more information see DisProt)

 Related Entries

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

UniProtKB/Swiss-Prot
        HPRT_ECOLI | P0A9M21g9s 1g9t

(-) Related Entries Specified in the PDB File

1g9s CRYSTAL STRUCTURE OF A COMPLEX BETWEEN E. COLI HPRT AND IMP
1g9t CRYSTAL STRUCTURE OF E.COLI HPRT-GMP COMPLEX