Show PDB file:   
         Plain Text   HTML   (compressed file size)
QuickSearch:   
by PDB,NDB,UniProt,PROSITE Code or Search Term(s)  
(-)Asymmetric Unit
(-)Biological Unit 1
collapse expand < >
Image Asymmetric Unit
Asymmetric Unit  (Jmol Viewer)
Image Biological Unit 1
Biological Unit 1  (Jmol Viewer)

(-) Description

Title :  CRYSTAL STRUCTURE OF E. COLI PNPASE
 
Authors :  Z. Shi, W. Z. Yang, S. Lin-Chao, K. F. Chak, H. S. Yuan
Date :  27 Feb 08  (Deposition) - 09 Dec 08  (Release) - 09 Dec 08  (Revision)
Method :  X-RAY DIFFRACTION
Resolution :  2.60
Chains :  Asym. Unit :  A
Biol. Unit 1:  A  (3x)
Keywords :  Polynucleotide Phosphorylase, Mrna Turnover, Rnase, Rna Degradation, Crystal Structure, Kinase, Transferase (Keyword Search: [Gene Ontology, PubMed, Web (Google))
 
Reference :  Z. Shi, W. Z. Yang, S. Lin-Chao, K. F. Chak, H. S. Yuan
Crystal Structure Of Escherichia Coli Pnpase: Central Channel Residues Are Involved In Processive Rna Degradation.
Rna V. 14 2361 2008
PubMed-ID: 18812438  |  Reference-DOI: 10.1261/RNA.1244308
(for further references see the PDB file header)

(-) Compounds

Molecule 1 - POLYNUCLEOTIDE PHOSPHORYLASE
    ChainsA
    EC Number2.7.7.8
    EngineeredYES
    Expression SystemESCHERICHIA COLI
    Expression System PlasmidPET22B
    Expression System StrainBL21(DE3)
    Expression System Taxid562
    Expression System Vector TypePLASMID
    FragmentRESIDUES 18-734
    GenePNP
    Organism ScientificESCHERICHIA COLI
    Organism Taxid562

 Structural Features

(-) Chains, Units

  1
Asymmetric Unit A
Biological Unit 1 (3x)A

Summary Information (see also Sequences/Alignments below)

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

(no "Ligand,Modified Residues,Ions" information available for 3CDI)

(-) Sites  (0, 0)

(no "Site" information available for 3CDI)

(-) SS Bonds  (0, 0)

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

(-) Cis Peptide Bonds  (2, 2)

Asymmetric Unit
No.Residues
1Arg A:106 -Pro A:107
2Gly A:170 -Pro A:171

 Sequence-Structure Mapping

(-) SAPs(SNPs)/Variants  (0, 0)

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

(-) PROSITE Motifs  (0, 0)

(no "PROSITE Motif" information available for 3CDI)

(-) Exons   (0, 0)

(no "Exon" information available for 3CDI)

(-) 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:516
 aligned with PNP_ECOLI | P05055 from UniProtKB/Swiss-Prot  Length:711

    Alignment length:541
                                    11        21        31        41        51        61        71        81        91       101       111       121       131       141       151       161       171       181       191       201       211       221       231       241       251       261       271       281       291       301       311       321       331       341       351       361       371       381       391       401       411       421       431       441       451       461       471       481       491       501       511       521       531       541 
            PNP_ECOLI     2 LNPIVRKFQYGQHTVTLETGMMARQATAAVMVSMDDTAVFVTVVGQKKAKPGQDFFPLTVNYQERTYAAGRIPGSFFRREGRPSEGETLIARLIDRPIRPLFPEGFVNEVQVIATVVSVNPQVNPDIVAMIGASAALSLSGIPFNGPIGAARVGYINDQYVLNPTQDELKESKLDLVVAGTEAAVLMVESEAQLLSEDQMLGAVVFGHEQQQVVIQNINELVKEAGKPRWDWQPEPVNEALNARVAALAEARLSDAYRITDKQERYAQVDVIKSETIATLLAEDETLDENELGEILHAIEKNVVRSRVLAGEPRIDGREKDMIRGLDVRTGVLPRTHGSALFTRGETQALVTATLGTARDAQVLDELMGERTDTFLFHYNFPPYSVGETGMVGSPKRREIGHGRLAKRGVLAVMPDMDKFPYTVRVVSEITESNGSSSMASVCGASLALMDAGVPIKAAVAGIAMGLVKEGDNYVVLSDILGDEDHLGDMDFKVAGSRDGISALQMDIKIEGITKEIMQVALNQAKGARLHILGVMEQAIN 542
               SCOP domains ------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- SCOP domains
               CATH domains ------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- CATH domains
               Pfam domains ------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- Pfam domains
         Sec.struct. author ...eeeeeee..eeeeeee........eeeeeee..eeeeeeeee............eeeeeee.hhhhh....-------..hhhhhhhhhhhhhhhhhhh.......eeeeeeeee.....hhhhhhhhhhhhhhhhhh.........eeeeee..eeee....hhhhhh.eeeeeee....eeeeeeeeeeehhhhhhhhhhhhhhhhhhhhhhhhhhhhhh..............hhhhh....hhhhhhhhh...hhhhhhhhhhhhhhhhhhhhhhhh...hhhhhhhhhhhhhhhhhhhhhhhh..............eeeee.......eeeeeee..eeeeeeeee..-------------....eeeeee.hhhhhh.....-----..hhhhhhhhhhhhh...........eeeeeeeee...hhhhhhhhhhhhhhhhh........eeeeeeeeee..eeeee...hhhhhhhh.eeeeeee....eeeeeeee.....hhhhhhhhhhhhhhhhhhhhhhhhhhh. Sec.struct. author
                 SAPs(SNPs) ------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- SAPs(SNPs)
                    PROSITE ------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- PROSITE
                 Transcript ------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- Transcript
                 3cdi A  25 LNPIVRKFQYGQHTVTLETGMMARQATAAVMVSMDDTAVFVTVVGQKKAKPGQDFFPLTVNYQERTYAAGRIPG-------RPSEGETLIARLIDRPIRPLFPEGFVNEVQVIATVVSVNPQVNPDIVAMIGASAALSLSGIPFNGPIGAARVGYINDQYVLNPTQDELKESKLDLVVAGTEAAVLMVESEAQLLSEDQMLGAVVFGHEQQQVVIQNINELVKEAGKPRWDWQPEPVNEALNARVAALAEARLSDAYRITDKQERYAQVDVIKSETIATLLAEDETLDENELGEILHAIEKNVVRSRVLAGEPRIDGREKDMIRGLDVRTGVLPRTHGSALFTRGETQALVTATLGT-------------RTDTFLFHYNFPPYSVGETGMV-----REIGHGRLAKRGVLAVMPDMDKFPYTVRVVSEITESNGSSSMASVCGASLALMDAGVPIKAAVAGIAMGLVKEGDNYVVLSDILGDEDHLGDMDFKVAGSRDGISALQMDIKIEGITKEIMQVALNQAKGARLHILGVMEQAIN 565
                                    34        44        54        64        74        84        94   |     - |     114       124       134       144       154       164       174       184       194       204       214       224       234       244       254       264       274       284       294       304       314       324       334       344       354       364       374      |  -         -|      404       414 |     424       434       444       454       464       474       484       494       504       514       524       534       544       554       564 
                                                                                                    98     106                                                                                                                                                                                                                                                                                381           395                  416   422                                                                                                                                               

   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  (0, 0)

(no "SCOP Domain" information available for 3CDI)

(-) CATH Domains  (0, 0)

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

(-) Pfam Domains  (0, 0)

(no "Pfam Domain" information available for 3CDI)

(-) Gene Ontology  (18, 18)

Asymmetric Unit(hide GO term definitions)
Chain A   (PNP_ECOLI | P05055)
molecular function
    GO:0000175    3'-5'-exoribonuclease activity    Catalysis of the sequential cleavage of mononucleotides from a free 3' terminus of an RNA molecule.
    GO:0003723    RNA binding    Interacting selectively and non-covalently with an RNA molecule or a portion thereof.
    GO:0035438    cyclic-di-GMP binding    Interacting selectively and non-covalently with cyclic-di-GMP, cyclic dimeric guanosine monophosphate.
    GO:0042802    identical protein binding    Interacting selectively and non-covalently with an identical protein or proteins.
    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:0003676    nucleic acid binding    Interacting selectively and non-covalently with any nucleic acid.
    GO:0016779    nucleotidyltransferase activity    Catalysis of the transfer of a nucleotidyl group to a reactant.
    GO:0004654    polyribonucleotide nucleotidyltransferase activity    Catalysis of the reaction: RNA(n+1) + phosphate <=> RNA(n) + a nucleoside diphosphate.
    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: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:0090503    RNA phosphodiester bond hydrolysis, exonucleolytic    The chemical reactions and pathways involving the hydrolysis of terminal 3',5'-phosphodiester bonds in one or two strands of ribonucleotides.
    GO:0006396    RNA processing    Any process involved in the conversion of one or more primary RNA transcripts into one or more mature RNA molecules.
    GO:0006402    mRNA catabolic process    The chemical reactions and pathways resulting in the breakdown of mRNA, messenger RNA, which is responsible for carrying the coded genetic 'message', transcribed from DNA, to sites of protein assembly at the ribosomes.
    GO:0009408    response to heat    Any process that results in a change in state or activity of a cell or an organism (in terms of movement, secretion, enzyme production, gene expression, etc.) as a result of a heat stimulus, a temperature stimulus above the optimal temperature for that organism.
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.
    GO:0016020    membrane    A lipid bilayer along with all the proteins and protein complexes embedded in it an attached to it.

 Visualization

(-) Interactive Views

Asymmetric Unit
  Complete Structure
    Jena3D(integrated viewing of ligand, site, SAP, PROSITE, SCOP information)
    WebMol | AstexViewer[tm]@PDBe
(Java Applets, require no local installation except for Java; loading may be slow)
    STRAP
(Java WebStart application, automatic local installation, requires Java; full application with system access!)
    RasMol
(require local installation)
    Molscript (VRML)
(requires installation of a VRML viewer; select preferred view via VRML and generate a mono or stereo PDF format file)
 
  Ligands, Modified Residues, Ions
(no "Ligands, Modified Residues, Ions" information available for 3cdi)
 
  Sites
(no "Sites" information available for 3cdi)
 
  Cis Peptide Bonds
    Arg A:106 - Pro A:107   [ RasMol ]  
    Gly A:170 - Pro A:171   [ RasMol ]  
 
Biological Unit
  Complete Structure
    Biological Unit 1  [ Jena3D ]

(-) Still Images

Jmol
  protein: cartoon or spacefill or dots and stick; nucleic acid: cartoon and stick; ligands: spacefill; active site: stick
Molscript
  protein, nucleic acid: cartoon; ligands: spacefill; active site: ball and stick

 Databases and Analysis Tools

(-) Databases

Access by PDB/NDB ID
  3cdi
    Family and Domain InformationProDom | SYSTERS
    General Structural InformationGlycoscienceDB | MMDB | NDB | OCA | PDB | PDBe | PDBj | PDBsum | PDBWiki | PQS | PROTEOPEDIA
    Orientation in MembranesOPM
    Protein SurfaceSURFACE
    Secondary StructureDSSP (structure derived) | HSSP (homology derived)
    Structural GenomicsGeneCensus
    Structural NeighboursCE | VAST
    Structure ClassificationCATH | Dali | SCOP
    Validation and Original DataBMRB Data View | BMRB Restraints Grid | EDS | PROCHECK | RECOORD | WHAT_CHECK
 
Access by UniProt ID/Accession number
  PNP_ECOLI | P05055
    Comparative Protein Structure ModelsModBase
    Genomic InformationEnsembl
    Protein-protein InteractionDIP
    Sequence, Family and Domain InformationInterPro | Pfam | SMART | UniProtKB/SwissProt
 
Access by Enzyme Classificator   (EC Number)
  2.7.7.8
    General Enzyme InformationBRENDA | EC-PDB | Enzyme | IntEnz
    PathwayKEGG | MetaCyc
 
Access by Disease Identifier   (MIM ID)
  (no 'MIM ID' available)
    Disease InformationOMIM
 
Access by GenAge ID
  (no 'GenAge ID' available)
    Age Related InformationGenAge

(-) Analysis Tools

Access by PDB/NDB ID
    Domain InformationXDom
    Interatomic Contacts of Structural UnitsCSU
    Ligand-protein ContactsLPC
    Protein CavitiescastP
    Sequence and Secondary StructurePDBCartoon
    Structure AlignmentSTRAP(Java WebStart application, automatic local installation, requires Java; full application with system access!)
    Structure and Sequence BrowserSTING
 
Access by UniProt ID/Accession number
  PNP_ECOLI | P05055
    Protein Disorder PredictionDisEMBL | FoldIndex | GLOBPLOT (for more information see DisProt)

 Related Entries

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

UniProtKB/Swiss-Prot
        PNP_ECOLI | P050551sro 3cdj 3gcm 3gll 3gme 3h1c

(-) Related Entries Specified in the PDB File

3cdj