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(-) Description

Title :  1.2 A CRYSTAL STRUCTURE OF YJGF GENE PRODUCT FROM E. COLI
 
Authors :  K. Volz
Date :  07 Jul 99  (Deposition) - 01 Dec 99  (Release) - 24 Feb 09  (Revision)
Method :  X-RAY DIFFRACTION
Resolution :  1.20
Chains :  Asym./Biol. Unit :  A,B,C
Keywords :  Structural Genomics (Keyword Search: [Gene Ontology, PubMed, Web (Google))
 
Reference :  K. Volz
A Test Case For Structure-Based Functional Assignment: The 1. 2 A Crystal Structure Of The Yjgf Gene Product From Escherichia Coli
Protein Sci. V. 8 2428 1999
PubMed-ID: 10595546
(for further references see the PDB file header)

(-) Compounds

Molecule 1 - YJGF PROTEIN
    ChainsA, B, C
    Organism ScientificESCHERICHIA COLI
    Organism Taxid562

 Structural Features

(-) Chains, Units

  123
Asymmetric/Biological Unit ABC

Summary Information (see also Sequences/Alignments below)

(-) Ligands, Modified Residues, Ions  (1, 3)

Asymmetric/Biological Unit (1, 3)
No.NameCountTypeFull Name
1CSP3Mod. Amino AcidS-PHOSPHOCYSTEINE

(-) Sites  (0, 0)

(no "Site" information available for 1QU9)

(-) SS Bonds  (0, 0)

(no "SS Bond" information available for 1QU9)

(-) Cis Peptide Bonds  (0, 0)

(no "Cis Peptide Bond" information available for 1QU9)

 Sequence-Structure Mapping

(-) SAPs(SNPs)/Variants  (0, 0)

(no "SAP(SNP)/Variant" information available for 1QU9)

(-) PROSITE Motifs  (1, 3)

Asymmetric/Biological Unit (1, 3)
 PROSITEUniProtKBPDB
No.IDACDescriptionIDLocationCountLocation
1UPF0076PS01094 Uncharacterized protein family UPF0076 signature.RIDA_SHIFL103-121
 
 
  3A:103-121
B:103-121
C:103-121
RIDA_ECOL6103-121
 
 
  3A:103-121
B:103-121
C:103-121
RIDA_ECOLI103-121
 
 
  3A:103-121
B:103-121
C:103-121

(-) Exons   (0, 0)

(no "Exon" information available for 1QU9)

(-) 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:127
 aligned with RIDA_ECOL6 | P0AF94 from UniProtKB/Swiss-Prot  Length:128

    Alignment length:127
                                    11        21        31        41        51        61        71        81        91       101       111       121       
           RIDA_ECOL6     2 SKTIATENAPAAIGPYVQGVDLGNMIITSGQIPVNPKTGEVPADVAAQARQSLDNVKAIVEAAGLKVGDIVKTTVFVKDLNDFATVNATYEAFFTEHNATFPARSCVEVARLPKDVKIEIEAIAVRR 128
               SCOP domains d1qu9a_ A: Conserved 'hypothetical' protein YjgF                                                                                SCOP domains
               CATH domains 1qu9A00 A:2-128  [code=3.30.1330.40, no name defined]                                                                           CATH domains
               Pfam domains ------------------------------------------------------------------------------------------------------------------------------- Pfam domains
         Sec.struct. author .eee..............eee...eeee...............hhhhhhhhhhhhhhhhhhhh..hhh.eeeeeeee.hhhhhhhhhhhhhhhhhhh.....eeeeee...hhhhh.eeeeeeee.. Sec.struct. author
                 SAPs(SNPs) ------------------------------------------------------------------------------------------------------------------------------- SAPs(SNPs)
                PROSITE (2) -----------------------------------------------------------------------------------------------------UPF0076            ------- PROSITE (2)
                 Transcript ------------------------------------------------------------------------------------------------------------------------------- Transcript
                 1qu9 A   2 SKTIATENAPAAIGPYVQGVDLGNMIITSGQIPVNPKTGEVPADVAAQARQSLDNVKAIVEAAGLKVGDIVKTTVFVKDLNDFATVNATYEAFFTEHNATFPARScVEVARLPKDVKIEIEAIAVRR 128
                                    11        21        31        41        51        61        71        81        91       101     | 111       121       
                                                                                                                                   107-CSP                 

Chain A from PDB  Type:PROTEIN  Length:127
 aligned with RIDA_ECOLI | P0AF93 from UniProtKB/Swiss-Prot  Length:128

    Alignment length:127
                                    11        21        31        41        51        61        71        81        91       101       111       121       
           RIDA_ECOLI     2 SKTIATENAPAAIGPYVQGVDLGNMIITSGQIPVNPKTGEVPADVAAQARQSLDNVKAIVEAAGLKVGDIVKTTVFVKDLNDFATVNATYEAFFTEHNATFPARSCVEVARLPKDVKIEIEAIAVRR 128
               SCOP domains d1qu9a_ A: Conserved 'hypothetical' protein YjgF                                                                                SCOP domains
               CATH domains 1qu9A00 A:2-128  [code=3.30.1330.40, no name defined]                                                                           CATH domains
               Pfam domains ------------------------------------------------------------------------------------------------------------------------------- Pfam domains
         Sec.struct. author .eee..............eee...eeee...............hhhhhhhhhhhhhhhhhhhh..hhh.eeeeeeee.hhhhhhhhhhhhhhhhhhh.....eeeeee...hhhhh.eeeeeeee.. Sec.struct. author
                 SAPs(SNPs) ------------------------------------------------------------------------------------------------------------------------------- SAPs(SNPs)
                PROSITE (2) ------------------------------------------------------------------------------------------------------------------------------- PROSITE (2)
                PROSITE (3) -----------------------------------------------------------------------------------------------------UPF0076            ------- PROSITE (3)
                 Transcript ------------------------------------------------------------------------------------------------------------------------------- Transcript
                 1qu9 A   2 SKTIATENAPAAIGPYVQGVDLGNMIITSGQIPVNPKTGEVPADVAAQARQSLDNVKAIVEAAGLKVGDIVKTTVFVKDLNDFATVNATYEAFFTEHNATFPARScVEVARLPKDVKIEIEAIAVRR 128
                                    11        21        31        41        51        61        71        81        91       101     | 111       121       
                                                                                                                                   107-CSP                 

Chain A from PDB  Type:PROTEIN  Length:127
 aligned with RIDA_SHIFL | P0AF95 from UniProtKB/Swiss-Prot  Length:128

    Alignment length:127
                                    11        21        31        41        51        61        71        81        91       101       111       121       
           RIDA_SHIFL     2 SKTIATENAPAAIGPYVQGVDLGNMIITSGQIPVNPKTGEVPADVAAQARQSLDNVKAIVEAAGLKVGDIVKTTVFVKDLNDFATVNATYEAFFTEHNATFPARSCVEVARLPKDVKIEIEAIAVRR 128
               SCOP domains d1qu9a_ A: Conserved 'hypothetical' protein YjgF                                                                                SCOP domains
               CATH domains 1qu9A00 A:2-128  [code=3.30.1330.40, no name defined]                                                                           CATH domains
               Pfam domains ------------------------------------------------------------------------------------------------------------------------------- Pfam domains
         Sec.struct. author .eee..............eee...eeee...............hhhhhhhhhhhhhhhhhhhh..hhh.eeeeeeee.hhhhhhhhhhhhhhhhhhh.....eeeeee...hhhhh.eeeeeeee.. Sec.struct. author
                 SAPs(SNPs) ------------------------------------------------------------------------------------------------------------------------------- SAPs(SNPs)
                    PROSITE -----------------------------------------------------------------------------------------------------UPF0076            ------- PROSITE
                 Transcript ------------------------------------------------------------------------------------------------------------------------------- Transcript
                 1qu9 A   2 SKTIATENAPAAIGPYVQGVDLGNMIITSGQIPVNPKTGEVPADVAAQARQSLDNVKAIVEAAGLKVGDIVKTTVFVKDLNDFATVNATYEAFFTEHNATFPARScVEVARLPKDVKIEIEAIAVRR 128
                                    11        21        31        41        51        61        71        81        91       101     | 111       121       
                                                                                                                                   107-CSP                 

Chain B from PDB  Type:PROTEIN  Length:127
 aligned with RIDA_ECOL6 | P0AF94 from UniProtKB/Swiss-Prot  Length:128

    Alignment length:127
                                    11        21        31        41        51        61        71        81        91       101       111       121       
           RIDA_ECOL6     2 SKTIATENAPAAIGPYVQGVDLGNMIITSGQIPVNPKTGEVPADVAAQARQSLDNVKAIVEAAGLKVGDIVKTTVFVKDLNDFATVNATYEAFFTEHNATFPARSCVEVARLPKDVKIEIEAIAVRR 128
               SCOP domains d1qu9b_ B: Conserved 'hypothetical' protein YjgF                                                                                SCOP domains
               CATH domains 1qu9B00 B:2-128  [code=3.30.1330.40, no name defined]                                                                           CATH domains
               Pfam domains ------------------------------------------------------------------------------------------------------------------------------- Pfam domains
         Sec.struct. author .eee..............eee...eeee...............hhhhhhhhhhhhhhhhhhhh..hhh.eeeeeeee.hhhhhhhhhhhhhhhhhhh.....eeeeee...hhhhh.eeeeeeee.. Sec.struct. author
                 SAPs(SNPs) ------------------------------------------------------------------------------------------------------------------------------- SAPs(SNPs)
                PROSITE (2) -----------------------------------------------------------------------------------------------------UPF0076            ------- PROSITE (2)
                 Transcript ------------------------------------------------------------------------------------------------------------------------------- Transcript
                 1qu9 B   2 SKTIATENAPAAIGPYVQGVDLGNMIITSGQIPVNPKTGEVPADVAAQARQSLDNVKAIVEAAGLKVGDIVKTTVFVKDLNDFATVNATYEAFFTEHNATFPARScVEVARLPKDVKIEIEAIAVRR 128
                                    11        21        31        41        51        61        71        81        91       101     | 111       121       
                                                                                                                                   107-CSP                 

Chain B from PDB  Type:PROTEIN  Length:127
 aligned with RIDA_ECOLI | P0AF93 from UniProtKB/Swiss-Prot  Length:128

    Alignment length:127
                                    11        21        31        41        51        61        71        81        91       101       111       121       
           RIDA_ECOLI     2 SKTIATENAPAAIGPYVQGVDLGNMIITSGQIPVNPKTGEVPADVAAQARQSLDNVKAIVEAAGLKVGDIVKTTVFVKDLNDFATVNATYEAFFTEHNATFPARSCVEVARLPKDVKIEIEAIAVRR 128
               SCOP domains d1qu9b_ B: Conserved 'hypothetical' protein YjgF                                                                                SCOP domains
               CATH domains 1qu9B00 B:2-128  [code=3.30.1330.40, no name defined]                                                                           CATH domains
               Pfam domains ------------------------------------------------------------------------------------------------------------------------------- Pfam domains
         Sec.struct. author .eee..............eee...eeee...............hhhhhhhhhhhhhhhhhhhh..hhh.eeeeeeee.hhhhhhhhhhhhhhhhhhh.....eeeeee...hhhhh.eeeeeeee.. Sec.struct. author
                 SAPs(SNPs) ------------------------------------------------------------------------------------------------------------------------------- SAPs(SNPs)
                PROSITE (2) ------------------------------------------------------------------------------------------------------------------------------- PROSITE (2)
                PROSITE (3) -----------------------------------------------------------------------------------------------------UPF0076            ------- PROSITE (3)
                 Transcript ------------------------------------------------------------------------------------------------------------------------------- Transcript
                 1qu9 B   2 SKTIATENAPAAIGPYVQGVDLGNMIITSGQIPVNPKTGEVPADVAAQARQSLDNVKAIVEAAGLKVGDIVKTTVFVKDLNDFATVNATYEAFFTEHNATFPARScVEVARLPKDVKIEIEAIAVRR 128
                                    11        21        31        41        51        61        71        81        91       101     | 111       121       
                                                                                                                                   107-CSP                 

Chain B from PDB  Type:PROTEIN  Length:127
 aligned with RIDA_SHIFL | P0AF95 from UniProtKB/Swiss-Prot  Length:128

    Alignment length:127
                                    11        21        31        41        51        61        71        81        91       101       111       121       
           RIDA_SHIFL     2 SKTIATENAPAAIGPYVQGVDLGNMIITSGQIPVNPKTGEVPADVAAQARQSLDNVKAIVEAAGLKVGDIVKTTVFVKDLNDFATVNATYEAFFTEHNATFPARSCVEVARLPKDVKIEIEAIAVRR 128
               SCOP domains d1qu9b_ B: Conserved 'hypothetical' protein YjgF                                                                                SCOP domains
               CATH domains 1qu9B00 B:2-128  [code=3.30.1330.40, no name defined]                                                                           CATH domains
               Pfam domains ------------------------------------------------------------------------------------------------------------------------------- Pfam domains
         Sec.struct. author .eee..............eee...eeee...............hhhhhhhhhhhhhhhhhhhh..hhh.eeeeeeee.hhhhhhhhhhhhhhhhhhh.....eeeeee...hhhhh.eeeeeeee.. Sec.struct. author
                 SAPs(SNPs) ------------------------------------------------------------------------------------------------------------------------------- SAPs(SNPs)
                    PROSITE -----------------------------------------------------------------------------------------------------UPF0076            ------- PROSITE
                 Transcript ------------------------------------------------------------------------------------------------------------------------------- Transcript
                 1qu9 B   2 SKTIATENAPAAIGPYVQGVDLGNMIITSGQIPVNPKTGEVPADVAAQARQSLDNVKAIVEAAGLKVGDIVKTTVFVKDLNDFATVNATYEAFFTEHNATFPARScVEVARLPKDVKIEIEAIAVRR 128
                                    11        21        31        41        51        61        71        81        91       101     | 111       121       
                                                                                                                                   107-CSP                 

Chain C from PDB  Type:PROTEIN  Length:127
 aligned with RIDA_ECOL6 | P0AF94 from UniProtKB/Swiss-Prot  Length:128

    Alignment length:127
                                    11        21        31        41        51        61        71        81        91       101       111       121       
           RIDA_ECOL6     2 SKTIATENAPAAIGPYVQGVDLGNMIITSGQIPVNPKTGEVPADVAAQARQSLDNVKAIVEAAGLKVGDIVKTTVFVKDLNDFATVNATYEAFFTEHNATFPARSCVEVARLPKDVKIEIEAIAVRR 128
               SCOP domains d1qu9c_ C: Conserved 'hypothetical' protein YjgF                                                                                SCOP domains
               CATH domains 1qu9C00 C:2-128  [code=3.30.1330.40, no name defined]                                                                           CATH domains
               Pfam domains ------------------------------------------------------------------------------------------------------------------------------- Pfam domains
         Sec.struct. author .eee..............eee...eeee...............hhhhhhhhhhhhhhhhhhhh..hhh.eeeeeeee.hhhhhhhhhhhhhhhhhhh.....eeeeee...hhhhh.eeeeeeee.. Sec.struct. author
                 SAPs(SNPs) ------------------------------------------------------------------------------------------------------------------------------- SAPs(SNPs)
                PROSITE (2) -----------------------------------------------------------------------------------------------------UPF0076            ------- PROSITE (2)
                 Transcript ------------------------------------------------------------------------------------------------------------------------------- Transcript
                 1qu9 C   2 SKTIATENAPAAIGPYVQGVDLGNMIITSGQIPVNPKTGEVPADVAAQARQSLDNVKAIVEAAGLKVGDIVKTTVFVKDLNDFATVNATYEAFFTEHNATFPARScVEVARLPKDVKIEIEAIAVRR 128
                                    11        21        31        41        51        61        71        81        91       101     | 111       121       
                                                                                                                                   107-CSP                 

Chain C from PDB  Type:PROTEIN  Length:127
 aligned with RIDA_ECOLI | P0AF93 from UniProtKB/Swiss-Prot  Length:128

    Alignment length:127
                                    11        21        31        41        51        61        71        81        91       101       111       121       
           RIDA_ECOLI     2 SKTIATENAPAAIGPYVQGVDLGNMIITSGQIPVNPKTGEVPADVAAQARQSLDNVKAIVEAAGLKVGDIVKTTVFVKDLNDFATVNATYEAFFTEHNATFPARSCVEVARLPKDVKIEIEAIAVRR 128
               SCOP domains d1qu9c_ C: Conserved 'hypothetical' protein YjgF                                                                                SCOP domains
               CATH domains 1qu9C00 C:2-128  [code=3.30.1330.40, no name defined]                                                                           CATH domains
               Pfam domains ------------------------------------------------------------------------------------------------------------------------------- Pfam domains
         Sec.struct. author .eee..............eee...eeee...............hhhhhhhhhhhhhhhhhhhh..hhh.eeeeeeee.hhhhhhhhhhhhhhhhhhh.....eeeeee...hhhhh.eeeeeeee.. Sec.struct. author
                 SAPs(SNPs) ------------------------------------------------------------------------------------------------------------------------------- SAPs(SNPs)
                PROSITE (2) ------------------------------------------------------------------------------------------------------------------------------- PROSITE (2)
                PROSITE (3) -----------------------------------------------------------------------------------------------------UPF0076            ------- PROSITE (3)
                 Transcript ------------------------------------------------------------------------------------------------------------------------------- Transcript
                 1qu9 C   2 SKTIATENAPAAIGPYVQGVDLGNMIITSGQIPVNPKTGEVPADVAAQARQSLDNVKAIVEAAGLKVGDIVKTTVFVKDLNDFATVNATYEAFFTEHNATFPARScVEVARLPKDVKIEIEAIAVRR 128
                                    11        21        31        41        51        61        71        81        91       101     | 111       121       
                                                                                                                                   107-CSP                 

Chain C from PDB  Type:PROTEIN  Length:127
 aligned with RIDA_SHIFL | P0AF95 from UniProtKB/Swiss-Prot  Length:128

    Alignment length:127
                                    11        21        31        41        51        61        71        81        91       101       111       121       
           RIDA_SHIFL     2 SKTIATENAPAAIGPYVQGVDLGNMIITSGQIPVNPKTGEVPADVAAQARQSLDNVKAIVEAAGLKVGDIVKTTVFVKDLNDFATVNATYEAFFTEHNATFPARSCVEVARLPKDVKIEIEAIAVRR 128
               SCOP domains d1qu9c_ C: Conserved 'hypothetical' protein YjgF                                                                                SCOP domains
               CATH domains 1qu9C00 C:2-128  [code=3.30.1330.40, no name defined]                                                                           CATH domains
               Pfam domains ------------------------------------------------------------------------------------------------------------------------------- Pfam domains
         Sec.struct. author .eee..............eee...eeee...............hhhhhhhhhhhhhhhhhhhh..hhh.eeeeeeee.hhhhhhhhhhhhhhhhhhh.....eeeeee...hhhhh.eeeeeeee.. Sec.struct. author
                 SAPs(SNPs) ------------------------------------------------------------------------------------------------------------------------------- SAPs(SNPs)
                    PROSITE -----------------------------------------------------------------------------------------------------UPF0076            ------- PROSITE
                 Transcript ------------------------------------------------------------------------------------------------------------------------------- Transcript
                 1qu9 C   2 SKTIATENAPAAIGPYVQGVDLGNMIITSGQIPVNPKTGEVPADVAAQARQSLDNVKAIVEAAGLKVGDIVKTTVFVKDLNDFATVNATYEAFFTEHNATFPARScVEVARLPKDVKIEIEAIAVRR 128
                                    11        21        31        41        51        61        71        81        91       101     | 111       121       
                                                                                                                                   107-CSP                 

   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, 3)

Asymmetric/Biological Unit

(-) CATH Domains  (1, 3)

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

(-) Pfam Domains  (0, 0)

(no "Pfam Domain" information available for 1QU9)

(-) Gene Ontology  (11, 25)

Asymmetric/Biological Unit(hide GO term definitions)
Chain A,B,C   (RIDA_SHIFL | P0AF95)
molecular function
    GO:0019239    deaminase activity    Catalysis of the removal of an amino group from a substrate, producing ammonia (NH3).
    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.
biological process
    GO:0009082    branched-chain amino acid biosynthetic process    The chemical reactions and pathways resulting in the formation of amino acids containing a branched carbon skeleton, comprising isoleucine, leucine and valine.
    GO:0008652    cellular amino acid biosynthetic process    The chemical reactions and pathways resulting in the formation of amino acids, organic acids containing one or more amino substituents.
    GO:0009097    isoleucine biosynthetic process    The chemical reactions and pathways resulting in the formation of isoleucine, (2R*,3R*)-2-amino-3-methylpentanoic acid.
    GO:0009636    response to toxic substance    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 toxic stimulus.
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,C   (RIDA_ECOLI | P0AF93)
molecular function
    GO:0019239    deaminase activity    Catalysis of the removal of an amino group from a substrate, producing ammonia (NH3).
    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:0051082    unfolded protein binding    Interacting selectively and non-covalently with an unfolded protein.
biological process
    GO:0009082    branched-chain amino acid biosynthetic process    The chemical reactions and pathways resulting in the formation of amino acids containing a branched carbon skeleton, comprising isoleucine, leucine and valine.
    GO:0008652    cellular amino acid biosynthetic process    The chemical reactions and pathways resulting in the formation of amino acids, organic acids containing one or more amino substituents.
    GO:0009097    isoleucine biosynthetic process    The chemical reactions and pathways resulting in the formation of isoleucine, (2R*,3R*)-2-amino-3-methylpentanoic acid.
    GO:0009636    response to toxic substance    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 toxic stimulus.
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.

Chain A,B,C   (RIDA_ECOL6 | P0AF94)
molecular function
    GO:0019239    deaminase activity    Catalysis of the removal of an amino group from a substrate, producing ammonia (NH3).
    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.
biological process
    GO:0009082    branched-chain amino acid biosynthetic process    The chemical reactions and pathways resulting in the formation of amino acids containing a branched carbon skeleton, comprising isoleucine, leucine and valine.
    GO:0008652    cellular amino acid biosynthetic process    The chemical reactions and pathways resulting in the formation of amino acids, organic acids containing one or more amino substituents.
    GO:0009097    isoleucine biosynthetic process    The chemical reactions and pathways resulting in the formation of isoleucine, (2R*,3R*)-2-amino-3-methylpentanoic acid.
    GO:0009636    response to toxic substance    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 toxic stimulus.
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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