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(-) Description

Title :  DISCOVERY OF AN ALLOSTERIC MECHANISM FOR THE REGULATION OF HCV NS3 PROTEIN FUNCTION
 
Authors :  S. M. Saalau-Bethell, A. J. Woodhead, G. Chessari, M. G. Carr, J. Coyle, S. D. Hiscock, C. W. Murray, P. Pathuri, S. J. Rich, C. J. Richardson, P. A. Williams, H. Jhoti
Date :  16 Aug 12  (Deposition) - 03 Oct 12  (Release) - 31 Oct 12  (Revision)
Method :  X-RAY DIFFRACTION
Resolution :  2.53
Chains :  Asym./Biol. Unit :  A,B
Keywords :  Hydrolase, Helicase-Protease, Allosteric Pocket, Fusion Protein (Keyword Search: [Gene Ontology, PubMed, Web (Google))
 
Reference :  S. M. Saalau-Bethell, A. J. Woodhead, G. Chessari, M. G. Carr, J. Coyle B. Graham, S. D. Hiscock, C. W. Murray, P. Pathuri, S. J. Rich, C. J. Richardson, P. A. Williams, H. Jhoti
Discovery Of An Allosteric Mechanism For The Regulation Of Hcv Ns3 Protein Function.
Nat. Chem. Biol. V. 8 920 2012
PubMed-ID: 23023261  |  Reference-DOI: 10.1038/NCHEMBIO.1081

(-) Compounds

Molecule 1 - NON-STRUCTURAL PROTEIN 4A, SERINE PROTEASE NS3
    ChainsA, B
    EC Number3.4.21.98, 3.6.1.15, 3.6.4.13
    EngineeredYES
    Expression SystemESCHERICHIA COLI
    Expression System StrainBL21(DE3)
    Expression System Taxid469008
    Expression System VariantROSETTA
    Expression System VectorPET28B
    Expression System Vector TypePLASMID
    FragmentPROTEASE AND HELICASE DOMAINS, RESIDUES 1678-1690,1029-1657
    MutationYES
    Organism ScientificHEPATITIS C VIRUS (ISOLATE BK)
    Organism Taxid11105
    Other DetailsTHE PROTEIN CRYSTALLISED IS A FUSION PROTEIN, COMPRISING A HEXA-HIS TAG, A LINKER REGION, A 11 RESIDUE NS4A COFACTOR PEPTIDE AND THE NS3 PROTEIN
    StrainGENOTYPE 1B
    SynonymHCV NS3 4A, NS4A, P8, HEPACIVIRIN, NS3P, P70

 Structural Features

(-) Chains, Units

  12
Asymmetric/Biological Unit AB

Summary Information (see also Sequences/Alignments below)

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

Asymmetric/Biological Unit (1, 2)
No.NameCountTypeFull Name
14VA2Ligand/Ion(2S)-4-AMINO-N-[(1R)-1-(4-CHLORO-2-FLUORO-3-PHENOXYPHENYL)PROPYL]-4-OXOBUTAN-2-AMINIUM

(-) Sites  (2, 2)

Asymmetric Unit (2, 2)
No.NameEvidenceResiduesDescription
1AC1SOFTWAREVAL A:78 , ASP A:79 , ASP A:81 , ARG A:155 , MET A:485 , PHE A:486 , LEU A:517 , VAL A:524 , CYS A:525 , GLN A:526 , LEU A:630 , HOH A:2160BINDING SITE FOR RESIDUE 4VA A1721
2AC2SOFTWAREVAL B:78 , ASP B:79 , ASP B:81 , ARG B:155 , MET B:485 , PHE B:486 , LEU B:517 , VAL B:524 , CYS B:525 , GLN B:526 , GLU B:628 , LEU B:630 , HOH B:2163 , HOH B:2164BINDING SITE FOR RESIDUE 4VA B1721

(-) SS Bonds  (0, 0)

(no "SS Bond" information available for 4B75)

(-) Cis Peptide Bonds  (4, 4)

Asymmetric/Biological Unit
No.Residues
1Thr A:402 -Ile A:403
2Asp A:441 -Pro A:442
3Ile B:400 -Pro B:401
4Asp B:441 -Pro B:442

 Sequence-Structure Mapping

(-) SAPs(SNPs)/Variants  (0, 0)

(no "SAP(SNP)/Variant" information available for 4B75)

(-) PROSITE Motifs  (1, 2)

Asymmetric/Biological Unit (1, 2)
 PROSITEUniProtKBPDB
No.IDACDescriptionIDLocationCountLocation
1HV_PV_NS3_PROPS51822 Hepacivirus/Pegivirus NS3 protease domain profile.POLG_HCVBK1027-1208
 
  2A:3-182
B:3-182

(-) Exons   (0, 0)

(no "Exon" information available for 4B75)

(-) Sequences/Alignments

Asymmetric/Biological 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:645
 aligned with POLG_HCVBK | P26663 from UniProtKB/Swiss-Prot  Length:3010

    Alignment length:659
                                  1008      1018      1028      1038      1048      1058      1068      1078      1088      1098      1108      1118      1128      1138      1148      1158      1168      1178      1188      1198      1208      1218      1228      1238      1248      1258      1268      1278      1288      1298      1308      1318      1328      1338      1348      1358      1368      1378      1388      1398      1408      1418      1428      1438      1448      1458      1468      1478      1488      1498      1508      1518      1528      1538      1548      1558      1568      1578      1588      1598      1608      1618      1628      1638      1648         
          POLG_HCVBK    999 GLPVSARRGKEILLGPADSLEGRGLRLLAPITAYSQQTRGLLGCIITSLTGRDKNQVEGEVQVVSTATQSFLATCVNGVCWTVYHGAGSKTLAAPKGPITQMYTNVDQDLVGWPKPPGARSLTPCTCGSSDLYLVTRHADVIPVRRRGDSRGSLLSPRPVSYLKGSSGGPLLCPFGHAVGIFRAAVCTRGVAKAVDFVPVESMETTMRSPVFTDNSSPPAVPQSFQVAHLHAPTGSGKSTKVPAAYAAQGYKVLVLNPSVAATLGFGAYMSKAHGIDPNIRTGVRTITTGAPVTYSTYGKFLADGGCSGGAYDIIICDECHSTDSTTILGIGTVLDQAETAGARLVVLATATPPGSVTVPHPNIEEVALSNTGEIPFYGKAIPIEAIRGGRHLIFCHSKKKCDELAAKLSGLGINAVAYYRGLDVSVIPTIGDVVVVATDALMTGYTGDFDSVIDCNTCVTQTVDFSLDPTFTIETTTVPQDAVSRSQRRGRTGRGRRGIYRFVTPGERPSGMFDSSVLCECYDAGCAWYELTPAETSVRLRAYLNTPGLPVCQDHLEFWESVFTGLTHIDAHFLSQTKQAGDNFPYLVAYQATVCARAQAPPPSWDQMWKCLIRLKPTLHGPTPLLYRLGAVQNEVTLTHPITKYIMACMSADLEVVT 1657
               SCOP domains ----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- SCOP domains
               CATH domains ----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- CATH domains
               Pfam domains ----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- Pfam domains
         Sec.struct. author ...eeeee---eee.....-----------..eeeee..hhhhhhhhhhhh.........eeeee....eeeeeee..eeeehhhhhh...eee..eee...eeehhhheeeee................eeeee.....eeeeee....eeeeeeeee.hhh......eee.....eeeeeeeeee...eeeeeeeeehhhhhhhhhh................eeeeee........hhhhhhhhh....eeeee.hhhhhhhhhhhhhhhhh...eee....ee.....eeeeehhhhhhh.........eeeee.....hhhhhhhhhhhhhhh......eeeeee.............eeeee......eee..eeehhhhh....eeee..hhhhhhhhhhhhhh....eeee....hhhhh......eeee..hhhhhh.....eeee..eeeeeeee.......eeeeeeee.hhhhhhhhhh.......eeeee...........hhhhhhhhhhhhhhh...hhhhhhhhhhhhhhh........hhhhhhhhhh.....hhhhhhhhhhh...hhhhhhhhhhhhhhh.......hhhhhhhhhhhhhh...ee...........ee..hhhhhhhhhhh........ Sec.struct. author
                 SAPs(SNPs) ----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- SAPs(SNPs)
                    PROSITE ----------------------------HV_PV_NS3_PRO  PDB: A:3-182 UniProt: 1027-1208                                                                                                                                        ----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- PROSITE
                 Transcript ----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- Transcript
                4b75 A  705 GSVVIVGR---IILSGSGS-----------ITAYSQQTRGLLGCIITSLTGRDKNQVEGEVQVVSTATQSFLATCVNGVCWTVYHGAGSKTLAGPKGPITQMYTNVDQDLVGWQAPPGARSLTPCTCGSSDLYLVTRHADVIPVRRRGDSRGSLLSPRPVSYLKGSSGGPLLCPSGHAVGIFRAAVCTRGVAKAVDFVPVESMETTMRSPVFTDNSSPPAVPQSFQVAHLHAPTGSGKSTKVPAAYAAQGYKVLVLNPSVAATLGFGAYMSKAHGIDPNIRTGVRTITTGAPVTYSTYGKFLADGGCSGGAYDIIICDECHSTDSTTILGIGTVLDQAETAGARLVVLATATPPGSVTVPHPNIEEVALSNTGEIPFYGKAIPIEAIRGGRHLIFCHSKKKCDELAAKLSGLGINAVAYYRGLDVSVIPTIGDVVVVATDALMTGYTGDFDSVIDCNTCVTQTVDFSLDPTFTIETTTVPQDAVSRSQRRGRTGRGRRGIYRFVTPGERPSGMFDSSVLCECYDAGCAWYELTPAETSVRLRAYLNTPGLPVCQDHLEFWESVFTGLTHIDAHFLSQTKQAGDNFPYLVAYQATVCARAQAPPPSWDQMWKCLIRLKPTLHGPTPLLYRLGAVQNEVTLTHPITKYIMACMSADLEVLT  631
                                   | - |      |-         -|       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       362       372       382       392       402       412       422       432       442       452       462       472       482       492       502       512       522       532       542       552       562       572       582       592       602       612       622         
                                 712 713    720           3                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    

Chain B from PDB  Type:PROTEIN  Length:642
 aligned with POLG_HCVBK | P26663 from UniProtKB/Swiss-Prot  Length:3010

    Alignment length:670
                                   997      1007      1017      1027      1037      1047      1057      1067      1077      1087      1097      1107      1117      1127      1137      1147      1157      1167      1177      1187      1197      1207      1217      1227      1237      1247      1257      1267      1277      1287      1297      1307      1317      1327      1337      1347      1357      1367      1377      1387      1397      1407      1417      1427      1437      1447      1457      1467      1477      1487      1497      1507      1517      1527      1537      1547      1557      1567      1577      1587      1597      1607      1617      1627      1637      1647      1657
          POLG_HCVBK    988 ADTAACGDIILGLPVSARRGKEILLGPADSLEGRGLRLLAPITAYSQQTRGLLGCIITSLTGRDKNQVEGEVQVVSTATQSFLATCVNGVCWTVYHGAGSKTLAAPKGPITQMYTNVDQDLVGWPKPPGARSLTPCTCGSSDLYLVTRHADVIPVRRRGDSRGSLLSPRPVSYLKGSSGGPLLCPFGHAVGIFRAAVCTRGVAKAVDFVPVESMETTMRSPVFTDNSSPPAVPQSFQVAHLHAPTGSGKSTKVPAAYAAQGYKVLVLNPSVAATLGFGAYMSKAHGIDPNIRTGVRTITTGAPVTYSTYGKFLADGGCSGGAYDIIICDECHSTDSTTILGIGTVLDQAETAGARLVVLATATPPGSVTVPHPNIEEVALSNTGEIPFYGKAIPIEAIRGGRHLIFCHSKKKCDELAAKLSGLGINAVAYYRGLDVSVIPTIGDVVVVATDALMTGYTGDFDSVIDCNTCVTQTVDFSLDPTFTIETTTVPQDAVSRSQRRGRTGRGRRGIYRFVTPGERPSGMFDSSVLCECYDAGCAWYELTPAETSVRLRAYLNTPGLPVCQDHLEFWESVFTGLTHIDAHFLSQTKQAGDNFPYLVAYQATVCARAQAPPPSWDQMWKCLIRLKPTLHGPTPLLYRLGAVQNEVTLTHPITKYIMACMSADLEVVT 1657
               SCOP domains ---------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- SCOP domains
               CATH domains ---------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- CATH domains
               Pfam domains ---------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- Pfam domains
         Sec.struct. author ...eeeeeeee.---.-------------------------..eeeee..hhhhhhhhhhhh.........eeeee....eeeeeee..eeeehhhhhh..............eeehhhheeeee................eeeee.....eeeeee....eeeeeeeee.hhh......eee.....eeeeeeeeeee..eeeeeeeeehhhhhhhhh.................eeeeee........hhhhhhhhhh...eeeee.hhhhhhhhhhhhhhhhh...eee....ee.....eeeeehhhhhhh.........eeee......hhhhhhhhhhhhhhh......eeeeee.............eeeee......eee..eeehhhhhh..eeeee..hhhhhhhhhhhhhhh...eeee....hhhhh.....eeeee..hhhhhh.....eeee..eeeeeeee.......eeeeeeee.hhhhhhhhhh.......eeeee...........hhhhhhhhhhhhhhh...hhhhhhhhhhhhhhh........hhhhhhhhhhh....hhhhhhhhhhh...hhhhhhhhhhhhhhh.......hhhhhhhhhhh......ee...........ee..hhhhhhhhhhh........ Sec.struct. author
                 SAPs(SNPs) ---------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- SAPs(SNPs)
                    PROSITE ---------------------------------------HV_PV_NS3_PRO  PDB: B:3-182 UniProt: 1027-1208                                                                                                                                        ----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- PROSITE
                 Transcript ---------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- Transcript
                4b75 B  705 GSVVIVGRIILS---S-------------------------ITAYSQQTRGLLGCIITSLTGRDKNQVEGEVQVVSTATQSFLATCVNGVCWTVYHGAGSKTLAGPKGPITQMYTNVDQDLVGWQAPPGARSLTPCTCGSSDLYLVTRHADVIPVRRRGDSRGSLLSPRPVSYLKGSSGGPLLCPSGHAVGIFRAAVCTRGVAKAVDFVPVESMETTMRSPVFTDNSSPPAVPQSFQVAHLHAPTGSGKSTKVPAAYAAQGYKVLVLNPSVAATLGFGAYMSKAHGIDPNIRTGVRTITTGAPVTYSTYGKFLADGGCSGGAYDIIICDECHSTDSTTILGIGTVLDQAETAGARLVVLATATPPGSVTVPHPNIEEVALSNTGEIPFYGKAIPIEAIRGGRHLIFCHSKKKCDELAAKLSGLGINAVAYYRGLDVSVIPTIGDVVVVATDALMTGYTGDFDSVIDCNTCVTQTVDFSLDPTFTIETTTVPQDAVSRSQRRGRTGRGRRGIYRFVTPGERPSGMFDSSVLCECYDAGCAWYELTPAETSVRLRAYLNTPGLPVCQDHLEFWESVFTGLTHIDAHFLSQTKQAGDNFPYLVAYQATVCARAQAPPPSWDQMWKCLIRLKPTLHGPTPLLYRLGAVQNEVTLTHPITKYIMACMSADLEVLT  631
                                   714 |   |   -         -         - |      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       551       561       571       581       591       601       611       621       631
                                     716 720                         3                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    

   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 4B75)

(-) CATH Domains  (0, 0)

(no "CATH Domain" information available for 4B75)

(-) Pfam Domains  (0, 0)

(no "Pfam Domain" information available for 4B75)

(-) Gene Ontology  (73, 73)

Asymmetric/Biological Unit(hide GO term definitions)
Chain A,B   (POLG_HCVBK | P26663)
molecular function
    GO:0005524    ATP binding    Interacting selectively and non-covalently with ATP, adenosine 5'-triphosphate, a universally important coenzyme and enzyme regulator.
    GO:0008026    ATP-dependent helicase activity    Catalysis of the reaction: ATP + H2O = ADP + phosphate, to drive the unwinding of a DNA or RNA helix.
    GO:0003723    RNA binding    Interacting selectively and non-covalently with an RNA molecule or a portion thereof.
    GO:0003968    RNA-directed 5'-3' RNA polymerase activity    Catalysis of the reaction: nucleoside triphosphate + RNA(n) = diphosphate + RNA(n+1); uses an RNA template, i.e. the catalysis of RNA-template-directed extension of the 3'-end of an RNA strand by one nucleotide at a time.
    GO:0017124    SH3 domain binding    Interacting selectively and non-covalently with a SH3 domain (Src homology 3) of a protein, small protein modules containing approximately 50 amino acid residues found in a great variety of intracellular or membrane-associated proteins.
    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:0004197    cysteine-type endopeptidase activity    Catalysis of the hydrolysis of internal, alpha-peptide bonds in a polypeptide chain by a mechanism in which the sulfhydryl group of a cysteine residue at the active center acts as a nucleophile.
    GO:0008234    cysteine-type peptidase activity    Catalysis of the hydrolysis of peptide bonds in a polypeptide chain by a mechanism in which the sulfhydryl group of a cysteine residue at the active center acts as a nucleophile.
    GO:0004386    helicase activity    Catalysis of the reaction: NTP + H2O = NDP + phosphate, to drive the unwinding of a DNA or RNA helix.
    GO:0016787    hydrolase activity    Catalysis of the hydrolysis of various bonds, e.g. C-O, C-N, C-C, phosphoric anhydride bonds, etc. Hydrolase is the systematic name for any enzyme of EC class 3.
    GO:0042802    identical protein binding    Interacting selectively and non-covalently with an identical protein or proteins.
    GO:0005216    ion channel activity    Enables the facilitated diffusion of an ion (by an energy-independent process) by passage through a transmembrane aqueous pore or channel without evidence for a carrier-mediated mechanism. May be either selective (it enables passage of a specific ion only) or non-selective (it enables passage of two or more ions of same charge but different size).
    GO:0046872    metal ion binding    Interacting selectively and non-covalently with any metal ion.
    GO:0017111    nucleoside-triphosphatase activity    Catalysis of the reaction: a nucleoside triphosphate + H2O = nucleoside diphosphate + phosphate.
    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:0016779    nucleotidyltransferase activity    Catalysis of the transfer of a nucleotidyl group to a reactant.
    GO:0008233    peptidase activity    Catalysis of the hydrolysis of a peptide bond. A peptide bond is a covalent bond formed when the carbon atom from the carboxyl group of one amino acid shares electrons with the nitrogen atom from the amino group of a second amino acid.
    GO:0002020    protease binding    Interacting selectively and non-covalently with any protease or peptidase.
    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:0004252    serine-type endopeptidase activity    Catalysis of the hydrolysis of internal, alpha-peptide bonds in a polypeptide chain by a catalytic mechanism that involves a catalytic triad consisting of a serine nucleophile that is activated by a proton relay involving an acidic residue (e.g. aspartate or glutamate) and a basic residue (usually histidine).
    GO:0008236    serine-type peptidase activity    Catalysis of the hydrolysis of peptide bonds in a polypeptide chain by a catalytic mechanism that involves a catalytic triad consisting of a serine nucleophile that is activated by a proton relay involving an acidic residue (e.g. aspartate or glutamate) and a basic residue (usually histidine).
    GO:0005198    structural molecule activity    The action of a molecule that contributes to the structural integrity of a complex or its assembly within or outside a cell.
    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:0008270    zinc ion binding    Interacting selectively and non-covalently with zinc (Zn) ions.
biological process
    GO:0075512    clathrin-dependent endocytosis of virus by host cell    Any clathrin-mediated endocytosis that is involved in the uptake of a virus into a host cell. Begins by invagination of a specific region of the host cell plasma membrane around the bound virus to form a clathrin-coated pit, which then pinches off to form a clathrin-coated endocytic vesicle containing the virus.
    GO:0075509    endocytosis involved in viral entry into host cell    Any endocytosis that is involved in the uptake of a virus into a host cell.
    GO:0030683    evasion or tolerance by virus of host immune response    Any process, either active or passive, by which a virus avoids the effects of the host organism's immune response. The host is defined as the larger of the organisms involved in a symbiotic interaction.
    GO:0039654    fusion of virus membrane with host endosome membrane    Fusion of a virus membrane with a host endosome membrane. Occurs after internalization of the virus through the endosomal pathway, and results in release of the virus contents into the cell.
    GO:0039520    induction by virus of host autophagy    Any process in which a virus activates or increases the frequency, rate or extent of autophagy in the host.
    GO:0034220    ion transmembrane transport    A process in which an ion is transported from one side of a membrane to the other by means of some agent such as a transporter or pore.
    GO:0006811    ion transport    The directed movement of charged atoms or small charged molecules into, out of or within a cell, or between cells, by means of some agent such as a transporter or pore.
    GO:0039663    membrane fusion involved in viral entry into host cell    Merging of the virion membrane and a host membrane (host plasma membrane or host organelle membrane) that is involved in the uptake of a virus into a host cell.
    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:0039645    modulation by virus of host G1/S transition checkpoint    Any viral process that modulates the frequency, rate or extent of the host cell G1/S transition checkpoint.
    GO:0060153    modulation by virus of host cell cycle    Any viral process that modulates the rate or extent of progression through the cell cycle.
    GO:0039707    pore formation by virus in membrane of host cell    The aggregation, arrangement and bonding together of a set of components by a virus to form a pore complex in a membrane of a host organism.
    GO:0051259    protein oligomerization    The process of creating protein oligomers, compounds composed of a small number, usually between three and ten, of component monomers; protein oligomers may be composed of different or identical monomers. Oligomers may be formed by the polymerization of a number of monomers or the depolymerization of a large protein polymer.
    GO:0006508    proteolysis    The hydrolysis of proteins into smaller polypeptides and/or amino acids by cleavage of their peptide bonds.
    GO:0006355    regulation of transcription, DNA-templated    Any process that modulates the frequency, rate or extent of cellular DNA-templated transcription.
    GO:0039545    suppression by virus of host MAVS activity    Any process in which a virus stops, prevents, or reduces the activity of MAVS (mitochondrial antiviral signaling protein), a signal transducer that lies downstream of the viral RNA receptors MDA-5 and RIG-I to coordinate host innate immune responses.
    GO:0039563    suppression by virus of host STAT1 activity    Any process in which a virus stops, prevents, or reduces the frequency, rate or extent of host STAT1 (signal transducer and activator of transcription-1) activity. STATs are SH2 domain-containing proteins which lie downstream of many signaling receptors. Upon phosphorylation by JAKs, STAT proteins hetero- or homo-dimerize and translocate to the nucleus to activate transcription of target genes.
    GO:0039547    suppression by virus of host TRAF activity    Any process in which a virus stops, prevents, or reduces the activity of a host TRAF (tumor necrosis factor receptor-associated factor) protein. TRAFs are intracellular signal transducers that lie downstream of receptors including RIG-I, MDA-5 and Toll-like receptors (TLR) and transfer the signal to other intracellular signaling components.
    GO:0039503    suppression by virus of host innate immune response    Any process in which a virus stops, prevents, or reduces the frequency, rate or extent of the innate immune response of the host organism, the host's first line of defense.
    GO:0039502    suppression by virus of host type I interferon-mediated signaling pathway    Any process in which a virus stops, prevents, or reduces the frequency, rate or extent of type I interferon-mediated signaling in the host organism. Type I interferons include the interferon-alpha, beta, delta, episilon, zeta, kappa, tau, and omega gene families.
    GO:0006351    transcription, DNA-templated    The cellular synthesis of RNA on a template of DNA.
    GO:0001172    transcription, RNA-templated    The cellular synthesis of RNA on a template of RNA.
    GO:0019087    transformation of host cell by virus    Any virus-induced change in the morphological, biochemical, or growth parameters of a cell.
    GO:0006810    transport    The directed movement of substances (such as macromolecules, small molecules, ions) or cellular components (such as complexes and organelles) into, out of or within a cell, or between cells, or within a multicellular organism by means of some agent such as a transporter, pore or motor protein.
    GO:0039694    viral RNA genome replication    The replication of a viral RNA genome.
    GO:0046718    viral entry into host cell    The process that occurs after viral attachment by which a virus, or viral nucleic acid, breaches the plasma membrane or cell envelope and enters the host cell. The process ends when the viral nucleic acid is released into the host cell cytoplasm.
    GO:0019079    viral genome replication    Any process involved directly in viral genome replication, including viral nucleotide metabolism.
    GO:0016032    viral process    A multi-organism process in which a virus is a participant. The other participant is the host. Includes infection of a host cell, replication of the viral genome, and assembly of progeny virus particles. In some cases the viral genetic material may integrate into the host genome and only subsequently, under particular circumstances, 'complete' its life cycle.
    GO:0019062    virion attachment to host cell    The process by which a virion protein binds to molecules on the host cellular surface or host cell surface projection.
cellular component
    GO:0005576    extracellular region    The space external to the outermost structure of a cell. For cells without external protective or external encapsulating structures this refers to space outside of the plasma membrane. This term covers the host cell environment outside an intracellular parasite.
    GO:0030430    host cell cytoplasm    The cytoplasm of a host cell.
    GO:0044164    host cell cytosol    The part of the host cell cytoplasm that does not contain organelles but which does contain other particulate matter, such as protein complexes.
    GO:0044165    host cell endoplasmic reticulum    The irregular network of unit membranes, visible only by electron microscopy, that occurs in the host cell cytoplasm of many eukaryotic cells. The membranes form a complex meshwork of tubular channels, which are often expanded into slitlike cavities called cisternae. The host ER takes two forms, rough (or granular), with ribosomes adhering to the outer surface, and smooth (with no ribosomes attached).
    GO:0044167    host cell endoplasmic reticulum membrane    The lipid bilayer surrounding the host cell endoplasmic reticulum.
    GO:0044186    host cell lipid droplet    Any particle of coalesced lipids in the cytoplasm of a host cell. May include associated proteins.
    GO:0033644    host cell membrane    Double layer of lipid molecules as it encloses host cells, and, in eukaryotes, many organelles; may be a single or double lipid bilayer; also includes associated proteins. The host is defined as the larger of the organisms involved in a symbiotic interaction.
    GO:0044191    host cell mitochondrial membrane    Either of the lipid bilayers that surround the host cell mitochondrion and form the host cell mitochondrial envelope.
    GO:0033650    host cell mitochondrion    A semiautonomous, self replicating organelle as found in host cells that occurs in varying numbers, shapes, and sizes in the cell cytoplasm. The host is defined as the larger of the organisms involved in a symbiotic interaction.
    GO:0042025    host cell nucleus    A membrane-bounded organelle as it is found in the host cell in which chromosomes are housed and replicated. The host is defined as the larger of the organisms involved in a symbiotic interaction.
    GO:0044220    host cell perinuclear region of cytoplasm    The host cell cytoplasm situated near, or occurring around, the host nucleus.
    GO:0020002    host cell plasma membrane    The plasma membrane surrounding a host cell.
    GO:0016021    integral component of membrane    The component of a membrane consisting of the gene products and protein complexes having at least some part of their peptide sequence embedded in the hydrophobic region of the membrane.
    GO:0044385    integral to membrane of host cell    Penetrating at least one phospholipid bilayer of a membrane. May also refer to the state of being buried in the bilayer with no exposure outside the bilayer. When used to describe a protein, indicates that all or part of the peptide sequence is embedded in the membrane. Occurring in a host cell.
    GO:0016020    membrane    A lipid bilayer along with all the proteins and protein complexes embedded in it an attached to it.
    GO:0019028    viral capsid    The protein coat that surrounds the infective nucleic acid in some virus particles. It comprises numerous regularly arranged subunits, or capsomeres.
    GO:0019031    viral envelope    The lipid bilayer of a virion that surrounds the protein capsid. May also contain glycoproteins.
    GO:0019013    viral nucleocapsid    The complete protein-nucleic acid complex that is the packaged form of the genome in a virus particle.
    GO:0019012    virion    The complete fully infectious extracellular virus particle.
    GO:0055036    virion membrane    The lipid bilayer surrounding a virion.

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 Related Entries

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

UniProtKB/Swiss-Prot
        POLG_HCVBK | P266631a1q 1bt7 1c2p 1csj 1cu1 1gx5 1gx6 1jxp 1nhu 1nhv 1ns3 1os5 1quv 2awz 2ax0 2ax1 2brk 2brl 2dxs 2giq 2gir 2hai 2hwh 2hwi 2i1r 2jc0 2jc1 2o5d 2wcx 2who 2wrm 2xwy 2zku 3br9 3bsa 3bsc 3cde 3ciz 3cj0 3cj2 3cj3 3cj4 3cj5 3co9 3cvk 3cwj 3d28 3d5m 3e51 3fqk 3frz 3g86 3gyn 3h2l 3h59 3h5s 3h5u 3h98 3igv 3mf5 3rvb 3ua7 3udl 3vqs 4a92 4b6e 4b6f 4b71 4b73 4b74 4b76 4dgv 4dgy 4eo6 4eo8 4ih5 4ih6 4ih7 4k8b 4kai 4kb7 4kbi 4ke5 4mia 4mib 4mk7 4mk8 4mk9 4mka 4mkb 4tn2 4wxp 5fps 5fpt 5fpy 8ohm

(-) Related Entries Specified in the PDB File

1a1q HEPATITIS C VIRUS NS3 PROTEINASE
1bt7 THE SOLUTION NMR STRUCTURE OF THE N-TERMINAL PROTEASEDOMAIN OF THE HEPATITIS C VIRUS (HCV) NS3- PROTEIN, FROM BKSTRAIN, 20 STRUCTURES
1c2p HEPATITIS C VIRUS NS5B RIBONUCLEIC ACID-DEPENDENT RIBONUCLEIC ACID POLYMERASE
1csj CRYSTAL STRUCTURE OF THE RIBONUCLEIC ACID-DEPENDENT RIBONUCLEIC ACID POLYMERASE OF HEPATITIS C VIRUS
1cu1 CRYSTAL STRUCTURE OF AN ENZYME COMPLEX FROM HEPATITIS C VIRUS
1gx5 HEPATITIS C VIRUS RNA POLYMERASE IN COMPLEX WITH GTP AND MANGANESE
1gx6 HEPATITIS C VIRUS RNA POLYMERASE IN COMPLEX WITH UTP AND MANGANESE
1jxp BK STRAIN HEPATITIS C VIRUS (HCV) NS3-NS4A
1nhu HEPATITIS C VIRUS RNA POLYMERASE IN COMPLEX WITH NON- NUCLEOSIDE ANALOGUE INHIBITOR
1nhv HEPATITIS C VIRUS RNA POLYMERASE IN COMPLEX WITH NON- NUCLEOSIDE ANALOGUE INHIBITOR
1ns3 STRUCTURE OF HCV PROTEASE (BK STRAIN)
1os5 CRYSTAL STRUCTURE OF HCV NS5B RNA POLYMERASE COMPLEXED WITHA NOVEL NON-COMPETITIVE INHIBITOR.
1quv CRYSTAL STRUCTURE OF THE RIBONUCLEIC ACID DIRECTED RIBONUCLEIC ACID POLYMERASE OF HEPATITIS C VIRUS
2awz HEPATITIS C VIRUS NS5B RNA POLYMERASE IN COMPLEX WITH ACOVALENT INHIBITOR (5H)
2ax0 HEPATITIS C VIRUS NS5B RNA POLYMERASE IN COMPLEX WITH ACOVALENT INHIBITOR (5X)
2ax1 HEPATITIS C VIRUS NS5B RNA POLYMERASE IN COMPLEX WITH ACOVALENT INHIBITOR (5EE)
2brk CRYSTAL STRUCTURE OF HEPATITIS C VIRUS POLYMERASE IN COMPLEX WITH AN ALLOSTERIC INHIBITOR (COMPOUND 1)
2brl CRYSTAL STRUCTURE OF HEPATITIS C VIRUS POLYMERASE IN COMPLEX WITH AN ALLOSTERIC INHIBITOR (COMPOUND 2)
2i1r NOVEL THIAZOLONES AS HCV NS5B POLYMERASE INHIBITORS: FURTHER DESIGNS, SYNTHESIS, SAR AND X-RAY COMPLEX STRUCTURE
2jc0 CRYSTAL STRUCTURE OF HEPATITIS C VIRUS POLYMERASE IN COMPLEX WITH INHIBITOR SB655264
2jc1 CRYSTAL STRUCTURE OF HEPATITIS C VIRUS POLYMERASE IN COMPLEX WITH INHIBITOR SB698223
2wcx CRYSTAL STRUCTURE OF HEPATITIS C VIRUS NS5B POLYMERASE IN COMPLEX WITH THIENOPYRROLE-BASED FINGER-LOOP INHIBITORS
2who CRYSTAL STRUCTURE OF HEPATITIS C VIRUS NS5B POLYMERASE FROM 1B GENOTYPE IN COMPLEX WITH A NON-NUCLEOSIDE INHIBITOR
2xwy STRUCTURE OF MK-3281, A POTENT NON-NUCLEOSIDE FINGER- LOOP INHIBITOR, IN COMPLEX WITH THE HEPATITIS C VIRUS NS5B POLYMERASE
4a92 FULL-LENGTH HCV NS3-4A PROTEASE-HELICASE IN COMPLEX WITH A MACROCYCLIC PROTEASE INHIBITOR.
4b6e DISCOVERY OF AN ALLOSTERIC MECHANISM FOR THE REGULATION OF HCV NS3 PROTEIN FUNCTION
4b6f DISCOVERY OF AN ALLOSTERIC MECHANISM FOR THE REGULATION OF HCV NS3 PROTEIN FUNCTION
4b71 DISCOVERY OF AN ALLOSTERIC MECHANISM FOR THE REGULATION OF HCV NS3 PROTEIN FUNCTION
4b73 DISCOVERY OF AN ALLOSTERIC MECHANISM FOR THE REGULATION OF HCV NS3 PROTEIN FUNCTION
4b74 DISCOVERY OF AN ALLOSTERIC MECHANISM FOR THE REGULATION OF HCV NS3 PROTEIN FUNCTION
4b76 DISCOVERY OF AN ALLOSTERIC MECHANISM FOR THE REGULATION OF HCV NS3 PROTEIN FUNCTION
8ohm CRYSTAL STRUCTURE OF RIBONUCLEIC ACID HELICASE FROM GENOTYPE 1B HEPATITIS C VIRUS: MECHANISM OF UNWINDING DUPLEX RIBONUCLEIC ACID