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(-) Description

Title :  CRYSTAL STRUCTURE OF INFECTIOUS BRONCHITIS VIRUS (IBV) MAIN PROTEASE IN COMPLEX WITH A MICHAEL ACCEPTOR INHIBITOR N3
 
Authors :  X. Y. Xue, H. T. Yang, F. Xue, M. Bartlam, Z. H. Rao
Date :  05 Jun 07  (Deposition) - 12 Feb 08  (Release) - 02 Dec 15  (Revision)
Method :  X-RAY DIFFRACTION
Resolution :  2.00
Chains :  Asym./Biol. Unit :  A,B,C,D
Keywords :  Coronavirus; Ibv; Main Protease; 3C-Like Proteinase; Michael Acceptor Inhibitor, Hydrolase (Keyword Search: [Gene Ontology, PubMed, Web (Google))
 
Reference :  X. Xue, H. Yu, H. Yang, F. Xue, Z. Wu, W. Shen, J. Li, Z. Zhou, Y. Ding, Q. Zhao, X. C. Zhang, M. Liao, M. Bartlam, Z. Rao
Structures Of Two Coronavirus Main Proteases: Implications For Substrate Binding And Antiviral Drug Design.
J. Virol. V. 82 2515 2008
PubMed-ID: 18094151  |  Reference-DOI: 10.1128/JVI.02114-07

(-) Compounds

Molecule 1 - INFECTIOUS BRONCHITIS VIRUS (IBV) MAIN PROTEASE
    ChainsA, B
    EC Number3.4.22.-
    EngineeredYES
    Expression SystemESCHERICHIA COLI BL21
    Expression System PlasmidPGEX-4T-1
    Expression System StrainBL21
    Expression System Taxid511693
    Expression System Vector TypePLASMID
    GeneM41 3C-LIKE PROTEASE GENE
    Organism ScientificINFECTIOUS BRONCHITIS VIRUS
    Organism Taxid11120
    StrainM41
    SynonymFRAGMENT
 
Molecule 2 - N-[(5-METHYLISOXAZOL-3-YL)CARBONYL]ALANYL-L-VALYL-N~1~- ((1R,2Z)-4-(BENZYLOXY)-4-OXO-1-{[(3R)-2-OXOPYRROLIDIN-3- YL]METHYL}BUT-2-ENYL)-L-LEUCINAMIDE
    ChainsD, C
    EngineeredYES
    Organism ScientificSYNTHETIC CONSTRUCT
    Organism Taxid32630
    SyntheticYES

 Structural Features

(-) Chains, Units

  1234
Asymmetric/Biological Unit ABCD

Summary Information (see also Sequences/Alignments below)

(-) Ligands, Modified Residues, Ions  (3, 6)

Asymmetric/Biological Unit (3, 6)
No.NameCountTypeFull Name
10102Mod. Amino AcidPHENYLMETHANOL
202J2Mod. Amino Acid5-METHYL-1,2-OXAZOLE-3-CARBOXYLIC ACID
3PJE2Mod. Amino Acid(E,4S)-4-AZANYL-5-[(3S)-2-OXIDANYLIDENEPYRROLIDIN-3-YL]PENT-2-ENOIC ACID

(-) Sites  (2, 2)

Asymmetric Unit (2, 2)
No.NameEvidenceResiduesDescription
1AC1SOFTWAREHIS A:41 , PHE A:138 , ALA A:140 , GLY A:141 , CYS A:143 , HIS A:161 , HIS A:162 , LEU A:163 , GLU A:164 , HIS A:170 , GLU A:186 , GLU A:187 , VAL A:188 , ALA A:189 , SER A:256 , GLY A:260BINDING SITE FOR CHAIN D
2AC2SOFTWAREASN B:25 , ASN B:26 , LEU B:27 , HIS B:41 , PHE B:138 , GLY B:141 , ALA B:142 , CYS B:143 , HIS B:161 , HIS B:162 , LEU B:163 , GLU B:164 , HIS B:170 , GLU B:187 , VAL B:188BINDING SITE FOR CHAIN C

(-) SS Bonds  (0, 0)

(no "SS Bond" information available for 2Q6F)

(-) Cis Peptide Bonds  (0, 0)

(no "Cis Peptide Bond" information available for 2Q6F)

 Sequence-Structure Mapping

(-) SAPs(SNPs)/Variants  (0, 0)

(no "SAP(SNP)/Variant" information available for 2Q6F)

(-) PROSITE Motifs  (1, 2)

Asymmetric/Biological Unit (1, 2)
 PROSITEUniProtKBPDB
No.IDACDescriptionIDLocationCountLocation
1M_PROPS51442 Coronavirus main protease (M-pro) domain profile.R1AB_IBVM2782-3088
 
  2A:2-301
B:2-302

(-) Exons   (0, 0)

(no "Exon" information available for 2Q6F)

(-) 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:294
 aligned with Q3Y5H1_9GAMC | Q3Y5H1 from UniProtKB/TrEMBL  Length:307

    Alignment length:301
                                    10        20        30        40        50        60        70        80        90       100       110       120       130       140       150       160       170       180       190       200       210       220       230       240       250       260       270       280       290       300 
        Q3Y5H1_9GAMC      1 SGFKKLVSPSSAVEKCIVSVSYRGNNLNGLWLGDSIYCPRHVLGKFSGDQWGDVLNLANNHEFEVVTQNGVTLNVVSRRLKGAVLILQTAVANAETPKYKFVKANCGDSFTIACSYGGTVIGLYPVTMRSNGTIRASFLAGACGSVGFNIEKGVVNFFYMHHLELPNALHTGTDLMGEFYGGYVDEEVAQRVPPDNLVTNNIVAWLYAAIISVKESSFSQPKWLESTTVSIEDYNRWASDNGFTPFSTSTAITKLSAITGVDVCKLLRTIMVKSAQWGSDPILGQYNFEDELTPESVFNQV  301
               SCOP domains d2q6fa_ A: automated matches                                                                                                                                                                                                                                                                                  SCOP domains
               CATH domains ------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- CATH domains
               Pfam domains ------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- Pfam domains
         Sec.struct. author .........hhhhhh.eeeeee..eeeeeeee..eeeee.hhhh....hhhhhhhhhhhhhhheee........eeeeeee..eeeeee.........eee.......eeeeeeee..eeeeeeeee..................eeeeee..eeeeeeeeeeee...eeeee.....hhhhh..............hhhhhhhhhhhhhhhh-------.........hhhhhhhhhh.........hhhhhhhhhhhh.hhhhhhhhhhhhhhh................hhhhhhhh. Sec.struct. author
                 SAPs(SNPs) ------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- SAPs(SNPs)
                    PROSITE ------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- PROSITE
                 Transcript ------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- Transcript
                2q6f A    1 SGFKKLVSPSSAVEKCIVSVSYRGNNLNGLWLGDSIYCPRHVLGKFSGDQWGDVLNLANNHEFEVVTQNGVTLNVVSRRLKGAVLILQTAVANAETPKYKFVKANCGDSFTIACSYGGTVIGLYPVTMRSNGTIRASFLAGACGSVGFNIEKGVVNFFYMHHLELPNALHTGTDLMGEFYGGYVDEEVAQRVPPDNLVTNNIVAWLYAAIISV-------PKWLESTTVSIEDYNRWASDNGFTPFSTSTAITKLSAITGVDVCKLLRTIMVKSAQWGSDPILGQYNFEDELTPESVFNQV  301
                                    10        20        30        40        50        60        70        80        90       100       110       120       130       140       150       160       170       180       190       200       210  |      -|      230       240       250       260       270       280       290       300 
                                                                                                                                                                                                                                              213     221                                                                                

Chain A from PDB  Type:PROTEIN  Length:294
 aligned with R1AB_IBVM | P0C6Y3 from UniProtKB/Swiss-Prot  Length:6631

    Alignment length:301
                                  2791      2801      2811      2821      2831      2841      2851      2861      2871      2881      2891      2901      2911      2921      2931      2941      2951      2961      2971      2981      2991      3001      3011      3021      3031      3041      3051      3061      3071      3081 
           R1AB_IBVM   2782 AGFKKLVSPSSAVEKCIVSVSYRGNNLNGLWLGDSIYCPRHVLGKFSGDQWGDVLNLANNHEFEVVTQNGVTLNVVSRRLKGAVLILQTAVANAETPKYKFVKANCGDSFTIACSYGGTVIGLYPVTMRSNGTIRASFLAGACGSVGFNIEKGVVNFFYMHHLELPNALHTGTDLMGEFYGGYVDEEVAQRVPPDNLVTNNIVAWLYAAIISVKESSFSQPKWLESTTVSIEDYNRWASDNGFTPFSTSTAITKLSAITGVDVCKLLRTIMVKSAQWGSDPILGQYNFEDELTPESVFNQV 3082
               SCOP domains d2q6fa_ A: automated matches                                                                                                                                                                                                                                                                                  SCOP domains
               CATH domains ------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- CATH domains
               Pfam domains ------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- Pfam domains
         Sec.struct. author .........hhhhhh.eeeeee..eeeeeeee..eeeee.hhhh....hhhhhhhhhhhhhhheee........eeeeeee..eeeeee.........eee.......eeeeeeee..eeeeeeeee..................eeeeee..eeeeeeeeeeee...eeeee.....hhhhh..............hhhhhhhhhhhhhhhh-------.........hhhhhhhhhh.........hhhhhhhhhhhh.hhhhhhhhhhhhhhh................hhhhhhhh. Sec.struct. author
                 SAPs(SNPs) ------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- SAPs(SNPs)
                    PROSITE M_PRO  PDB: A:2-301 UniProt: 2782-3088                                                                                                                                                                                                                                                                        PROSITE
                 Transcript ------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- Transcript
                2q6f A    1 SGFKKLVSPSSAVEKCIVSVSYRGNNLNGLWLGDSIYCPRHVLGKFSGDQWGDVLNLANNHEFEVVTQNGVTLNVVSRRLKGAVLILQTAVANAETPKYKFVKANCGDSFTIACSYGGTVIGLYPVTMRSNGTIRASFLAGACGSVGFNIEKGVVNFFYMHHLELPNALHTGTDLMGEFYGGYVDEEVAQRVPPDNLVTNNIVAWLYAAIISV-------PKWLESTTVSIEDYNRWASDNGFTPFSTSTAITKLSAITGVDVCKLLRTIMVKSAQWGSDPILGQYNFEDELTPESVFNQV  301
                                    10        20        30        40        50        60        70        80        90       100       110       120       130       140       150       160       170       180       190       200       210  |      -|      230       240       250       260       270       280       290       300 
                                                                                                                                                                                                                                              213     221                                                                                

Chain B from PDB  Type:PROTEIN  Length:295
 aligned with Q3Y5H1_9GAMC | Q3Y5H1 from UniProtKB/TrEMBL  Length:307

    Alignment length:302
                                    10        20        30        40        50        60        70        80        90       100       110       120       130       140       150       160       170       180       190       200       210       220       230       240       250       260       270       280       290       300  
        Q3Y5H1_9GAMC      1 SGFKKLVSPSSAVEKCIVSVSYRGNNLNGLWLGDSIYCPRHVLGKFSGDQWGDVLNLANNHEFEVVTQNGVTLNVVSRRLKGAVLILQTAVANAETPKYKFVKANCGDSFTIACSYGGTVIGLYPVTMRSNGTIRASFLAGACGSVGFNIEKGVVNFFYMHHLELPNALHTGTDLMGEFYGGYVDEEVAQRVPPDNLVTNNIVAWLYAAIISVKESSFSQPKWLESTTVSIEDYNRWASDNGFTPFSTSTAITKLSAITGVDVCKLLRTIMVKSAQWGSDPILGQYNFEDELTPESVFNQVG  302
               SCOP domains d2q6fb_ B: automated matches                                                                                                                                                                                                                                                                                   SCOP domains
               CATH domains -------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- CATH domains
           Pfam domains (1) ----------------------------Peptidase_C30-2q6fB01 B:29-302                                                                                                                                                                                                                                                     Pfam domains (1)
           Pfam domains (2) ----------------------------Peptidase_C30-2q6fB02 B:29-302                                                                                                                                                                                                                                                     Pfam domains (2)
         Sec.struct. author .........hhhhhh.eeeeee..eeeeeeee..eeeee.hhhh....hhhhhhhhh.hhhhheee.....ee.eeeeeee..eeeeee.........eee.......eeeeeeee..eeeeeeeee..................eeeeee..eeeeeeeeeeee...eeeee.....hhhhh..............hhhhhhhhhhhhhhhh-------.........hhhhhhhhhhhh.......hhhhhhhhhhhh.hhhhhhhhhhhhhhh................hhhhhhhh.. Sec.struct. author
                 SAPs(SNPs) -------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- SAPs(SNPs)
                    PROSITE -------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- PROSITE
                 Transcript -------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- Transcript
                2q6f B    1 SGFKKLVSPSSAVEKCIVSVSYRGNNLNGLWLGDSIYCPRHVLGKFSGDQWGDVLNLANNHEFEVVTQNGVTLNVVSRRLKGAVLILQTAVANAETPKYKFVKANCGDSFTIACSYGGTVIGLYPVTMRSNGTIRASFLAGACGSVGFNIEKGVVNFFYMHHLELPNALHTGTDLMGEFYGGYVDEEVAQRVPPDNLVTNNIVAWLYAAIISV-------PKWLESTTVSIEDYNRWASDNGFTPFSTSTAITKLSAITGVDVCKLLRTIMVKSAQWGSDPILGQYNFEDELTPESVFNQVG  302
                                    10        20        30        40        50        60        70        80        90       100       110       120       130       140       150       160       170       180       190       200       210  |      -|      230       240       250       260       270       280       290       300  
                                                                                                                                                                                                                                              213     221                                                                                 

Chain B from PDB  Type:PROTEIN  Length:295
 aligned with R1AB_IBVM | P0C6Y3 from UniProtKB/Swiss-Prot  Length:6631

    Alignment length:302
                                  2791      2801      2811      2821      2831      2841      2851      2861      2871      2881      2891      2901      2911      2921      2931      2941      2951      2961      2971      2981      2991      3001      3011      3021      3031      3041      3051      3061      3071      3081  
           R1AB_IBVM   2782 AGFKKLVSPSSAVEKCIVSVSYRGNNLNGLWLGDSIYCPRHVLGKFSGDQWGDVLNLANNHEFEVVTQNGVTLNVVSRRLKGAVLILQTAVANAETPKYKFVKANCGDSFTIACSYGGTVIGLYPVTMRSNGTIRASFLAGACGSVGFNIEKGVVNFFYMHHLELPNALHTGTDLMGEFYGGYVDEEVAQRVPPDNLVTNNIVAWLYAAIISVKESSFSQPKWLESTTVSIEDYNRWASDNGFTPFSTSTAITKLSAITGVDVCKLLRTIMVKSAQWGSDPILGQYNFEDELTPESVFNQVG 3083
               SCOP domains d2q6fb_ B: automated matches                                                                                                                                                                                                                                                                                   SCOP domains
               CATH domains -------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- CATH domains
           Pfam domains (1) ----------------------------Peptidase_C30-2q6fB01 B:29-302                                                                                                                                                                                                                                                     Pfam domains (1)
           Pfam domains (2) ----------------------------Peptidase_C30-2q6fB02 B:29-302                                                                                                                                                                                                                                                     Pfam domains (2)
         Sec.struct. author .........hhhhhh.eeeeee..eeeeeeee..eeeee.hhhh....hhhhhhhhh.hhhhheee.....ee.eeeeeee..eeeeee.........eee.......eeeeeeee..eeeeeeeee..................eeeeee..eeeeeeeeeeee...eeeee.....hhhhh..............hhhhhhhhhhhhhhhh-------.........hhhhhhhhhhhh.......hhhhhhhhhhhh.hhhhhhhhhhhhhhh................hhhhhhhh.. Sec.struct. author
                 SAPs(SNPs) -------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- SAPs(SNPs)
                    PROSITE M_PRO  PDB: B:2-302 UniProt: 2782-3088                                                                                                                                                                                                                                                                         PROSITE
                 Transcript -------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- Transcript
                2q6f B    1 SGFKKLVSPSSAVEKCIVSVSYRGNNLNGLWLGDSIYCPRHVLGKFSGDQWGDVLNLANNHEFEVVTQNGVTLNVVSRRLKGAVLILQTAVANAETPKYKFVKANCGDSFTIACSYGGTVIGLYPVTMRSNGTIRASFLAGACGSVGFNIEKGVVNFFYMHHLELPNALHTGTDLMGEFYGGYVDEEVAQRVPPDNLVTNNIVAWLYAAIISV-------PKWLESTTVSIEDYNRWASDNGFTPFSTSTAITKLSAITGVDVCKLLRTIMVKSAQWGSDPILGQYNFEDELTPESVFNQVG  302
                                    10        20        30        40        50        60        70        80        90       100       110       120       130       140       150       160       170       180       190       200       210  |      -|      230       240       250       260       270       280       290       300  
                                                                                                                                                                                                                                              213     221                                                                                 

Chain C from PDB  Type:PROTEIN  Length:6
                                       
               SCOP domains ------ SCOP domains
               CATH domains ------ CATH domains
               Pfam domains ------ Pfam domains
         Sec.struct. author ...... Sec.struct. author
                 SAPs(SNPs) ------ SAPs(SNPs)
                    PROSITE ------ PROSITE
                 Transcript ------ Transcript
                2q6f C    1 xAVLxx    6
                            |   ||
                            1-02J|
                                5-PJE
                                 6-010

Chain D from PDB  Type:PROTEIN  Length:6
                                       
               SCOP domains ------ SCOP domains
               CATH domains ------ CATH domains
               Pfam domains ------ Pfam domains
         Sec.struct. author ...... Sec.struct. author
                 SAPs(SNPs) ------ SAPs(SNPs)
                    PROSITE ------ PROSITE
                 Transcript ------ Transcript
                2q6f D    1 xAVLxx    6
                            |   ||
                            |   ||
                            1-02J|
                                5-PJE
                                 6-010

   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/Biological Unit

(-) CATH Domains  (0, 0)

(no "CATH Domain" information available for 2Q6F)

(-) Pfam Domains  (1, 2)

Asymmetric/Biological Unit

(-) Gene Ontology  (36, 39)

Asymmetric/Biological Unit(hide GO term definitions)
Chain A,B   (R1AB_IBVM | P0C6Y3)
molecular function
    GO:0005524    ATP binding    Interacting selectively and non-covalently with ATP, adenosine 5'-triphosphate, a universally important coenzyme and enzyme regulator.
    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: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:0004519    endonuclease activity    Catalysis of the hydrolysis of ester linkages within nucleic acids by creating internal breaks.
    GO:0004527    exonuclease activity    Catalysis of the hydrolysis of ester linkages within nucleic acids by removing nucleotide residues from the 3' or 5' end.
    GO:0016896    exoribonuclease activity, producing 5'-phosphomonoesters    Catalysis of the hydrolysis of ester linkages within ribonucleic acids by removing nucleotide residues from the 3' or 5' end to yield 5' phosphomonoesters.
    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:0046872    metal ion binding    Interacting selectively and non-covalently with any metal ion.
    GO:0008168    methyltransferase activity    Catalysis of the transfer of a methyl group to an acceptor molecule.
    GO:0004518    nuclease activity    Catalysis of the hydrolysis of ester linkages within nucleic acids.
    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:0008242    omega peptidase activity    Catalysis of the removal of terminal peptide residues that are substituted, cyclized or linked by isopeptide bonds (peptide linkages other than those of alpha-carboxyl to alpha-amino groups).
    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: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: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: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:0032259    methylation    The process in which a methyl group is covalently attached to a molecule.
    GO:0090305    nucleic acid phosphodiester bond hydrolysis    The nucleic acid metabolic process in which the phosphodiester bonds between nucleotides are cleaved by hydrolysis.
    GO:0006508    proteolysis    The hydrolysis of proteins into smaller polypeptides and/or amino acids by cleavage of their peptide bonds.
    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:0039694    viral RNA genome replication    The replication of a viral RNA genome.
    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:0019082    viral protein processing    Any protein maturation process achieved by the cleavage of a peptide bond or bonds within a viral protein.
cellular component
    GO:0030430    host cell cytoplasm    The cytoplasm of a host cell.
    GO:0044172    host cell endoplasmic reticulum-Golgi intermediate compartment    A complex system of membrane-bounded compartments located between host cell endoplasmic reticulum (ER) and the host Golgi complex, with a distinctive membrane protein composition; involved in ER-to-Golgi transport.
    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:0044220    host cell perinuclear region of cytoplasm    The host cell cytoplasm situated near, or occurring around, the host nucleus.
    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:0016020    membrane    A lipid bilayer along with all the proteins and protein complexes embedded in it an attached to it.

Chain A,B   (Q3Y5H1_9GAMC | Q3Y5H1)
molecular function
    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.
biological process
    GO:0006508    proteolysis    The hydrolysis of proteins into smaller polypeptides and/or amino acids by cleavage of their peptide bonds.
    GO:0019082    viral protein processing    Any protein maturation process achieved by the cleavage of a peptide bond or bonds within a viral protein.

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(-) Related Entries Specified in the PDB File

2q6d 2q6g