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(-) Description

Title :  RIMI - RIBOSOMAL S18 N-ALPHA-PROTEIN ACETYLTRANSFERASE IN COMPLEX WITH A BISUBSTRATE INHIBITOR (CTERM-ARG-ARG-PHE-TYR-ARG-ALA-N-ALPHA-ACETYL-S-COA).
 
Authors :  M. W. Vetting, M. Yu, D. C. Bareich, J. S. Blanchard
Date :  22 May 06  (Deposition) - 22 May 07  (Release) - 15 Feb 17  (Revision)
Method :  X-RAY DIFFRACTION
Resolution :  2.60
Chains :  Asym. Unit :  A,B,C,D,E,F
Biol. Unit 1:  A,D  (1x)
Biol. Unit 2:  B,E  (1x)
Biol. Unit 3:  C,F  (1x)
Keywords :  N-Alpha Acetylation, Gcn5-N-Acetyltransferase, Ribosomal Protein, Acetyltransferase, Gnat, Transferase, Acyltransferase (Keyword Search: [Gene Ontology, PubMed, Web (Google))
 
Reference :  M. W. Vetting, D. C. Bareich, M. Yu, J. S. Blanchard
Crystal Structure Of Rimi From Salmonella Typhimurium Lt2, The Gnat Responsible For N{Alpha}- Acetylation Of Ribosomal Protein S18.
Protein Sci. V. 17 1781 2008
PubMed-ID: 18596200  |  Reference-DOI: 10.1110/PS.035899.108

(-) Compounds

Molecule 1 - MODIFICATION OF 30S RIBOSOMAL SUBUNIT PROTEIN S18
    ChainsA, B, C
    EC Number2.3.1.128
    EngineeredYES
    Expression SystemESCHERICHIA COLI
    Expression System Taxid562
    Organism ScientificSALMONELLA TYPHIMURIUM LT2
    Organism Taxid99287
    SynonymRIBOSOMAL-N-ALPHA-ACETYLTRANSFERASE
 
Molecule 2 - 30S RIBOSOMAL PROTEIN S18
    ChainsD, E, F
    Organism ScientificSALMONELLA TYPHIMURIUM LT2
    Organism Taxid99287
    SynonymCTERM-ARG-ARG-PHE-TYR-ARG-ALA-N-ALPHA-ACETYL
    SyntheticYES

 Structural Features

(-) Chains, Units

  123456
Asymmetric Unit ABCDEF
Biological Unit 1 (1x)A  D  
Biological Unit 2 (1x) B  E 
Biological Unit 3 (1x)  C  F

Summary Information (see also Sequences/Alignments below)

(-) Ligands, Modified Residues, Ions  (2, 6)

Asymmetric Unit (2, 6)
No.NameCountTypeFull Name
1ACE3Mod. Amino AcidACETYL GROUP
2COA3Ligand/IonCOENZYME A
Biological Unit 1 (2, 2)
No.NameCountTypeFull Name
1ACE1Mod. Amino AcidACETYL GROUP
2COA1Ligand/IonCOENZYME A
Biological Unit 2 (2, 2)
No.NameCountTypeFull Name
1ACE1Mod. Amino AcidACETYL GROUP
2COA1Ligand/IonCOENZYME A
Biological Unit 3 (2, 2)
No.NameCountTypeFull Name
1ACE1Mod. Amino AcidACETYL GROUP
2COA1Ligand/IonCOENZYME A

(-) Sites  (3, 3)

Asymmetric Unit (3, 3)
No.NameEvidenceResiduesDescription
1AC1SOFTWAREALA A:22 , HIS A:23 , ILE A:69 , ALA A:70 , VAL A:71 , GLN A:76 , ARG A:77 , ARG A:78 , GLY A:79 , GLY A:81 , ARG A:82 , GLU A:103 , VAL A:104 , ASN A:108 , ALA A:110 , ALA A:113 , LEU A:114 , TYR A:115 , HOH A:2013 , ACE D:1 , ALA D:2BINDING SITE FOR RESIDUE COA D 0
2AC2SOFTWAREALA A:133 , GLN A:134 , ALA B:22 , HIS B:23 , ILE B:69 , ALA B:70 , VAL B:71 , GLN B:76 , ARG B:77 , ARG B:78 , GLY B:79 , LEU B:80 , GLY B:81 , ARG B:82 , GLU B:103 , ASN B:108 , ALA B:110 , ALA B:113 , TYR B:115 , ACE E:1 , ALA E:2 , HOH E:2001BINDING SITE FOR RESIDUE COA E 0
3AC3SOFTWAREALA C:22 , HIS C:23 , ILE C:69 , ALA C:70 , VAL C:71 , GLN C:76 , ARG C:77 , ARG C:78 , GLY C:79 , LEU C:80 , GLY C:81 , ARG C:82 , ASP C:90 , GLU C:103 , ASN C:108 , ALA C:110 , ALA C:111 , LEU C:114 , TYR C:115 , LYS C:149 , ACE F:1 , ALA F:2BINDING SITE FOR RESIDUE COA F 0

(-) SS Bonds  (0, 0)

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

(-) Cis Peptide Bonds  (0, 0)

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

 Sequence-Structure Mapping

(-) SAPs(SNPs)/Variants  (0, 0)

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

(-) PROSITE Motifs  (0, 0)

(no "PROSITE Motif" information available for 2CNM)

(-) Exons   (0, 0)

(no "Exon" information available for 2CNM)

(-) Sequences/Alignments

Asymmetric Unit
   Reformat: Number of residues per line =  ('0' or empty: single-line sequence representation)
  Number of residues per labelling interval =   
  UniProt sequence: complete  aligned part    
   Show mapping: SCOP domains CATH domains Pfam domains Secondary structure (by author)
SAPs(SNPs) PROSITE motifs Exons
(details for a mapped element are shown in a popup box when the mouse pointer rests over it)
Chain A from PDB  Type:PROTEIN  Length:151
 aligned with Q8ZJW4_SALTY | Q8ZJW4 from UniProtKB/TrEMBL  Length:148

    Alignment length:151
                                                                                                                                                                             148   
                                    10        20        30        40        50        60        70        80        90       100       110       120       130       140       | - 
         Q8ZJW4_SALTY     1 MNTISILSTTDLPAAWQIEQRAHAFPWSEKTFFGNQGERYLNLKLTADDRMAAFAITQVVLDEATLFNIAVDPDFQRRGLGRMLLEHLIDELETRGVVTLWLEVRASNAAAIALYESLGFNEATIRRNYYPTAQGHEDAIIMALPISM---   -
               SCOP domains ------------------------------------------------------------------------------------------------------------------------------------------------------- SCOP domains
               CATH domains ------------------------------------------------------------------------------------------------------------------------------------------------------- CATH domains
               Pfam domains ------------------------------------------------------------------------------------------------------------------------------------------------------- Pfam domains
         Sec.struct. author .eeeee.hhhhhhhhhhhhhhhh....hhhhhhhh.......eeeee..eeeeeeeeeee..eeeeeeeee.hhhh..hhhhhhhhhhhhhhhhh...eeeeeee..hhhhhhhhhhhh.eeeeeeeeeeee..eeeeeeeeeee...... Sec.struct. author
                 SAPs(SNPs) ------------------------------------------------------------------------------------------------------------------------------------------------------- SAPs(SNPs)
                    PROSITE ------------------------------------------------------------------------------------------------------------------------------------------------------- PROSITE
                 Transcript ------------------------------------------------------------------------------------------------------------------------------------------------------- Transcript
                 2cnm A   1 MNTISILSTTDLPAAWQIEQRAHAFPWSEKTFFGNQGERYLNLKLTADDRMAAFAITQVVLDEATLFNIAVDPDFQRRGLGRMLLEHLIDELETRGVVTLWLEVRASNAAAIALYESLGFNEATIRRNYYPTAQGHEDAIIMALPISMKLH 151
                                    10        20        30        40        50        60        70        80        90       100       110       120       130       140       150 

Chain B from PDB  Type:PROTEIN  Length:151
 aligned with Q8ZJW4_SALTY | Q8ZJW4 from UniProtKB/TrEMBL  Length:148

    Alignment length:151
                                                                                                                                                                             148   
                                    10        20        30        40        50        60        70        80        90       100       110       120       130       140       | - 
         Q8ZJW4_SALTY     1 MNTISILSTTDLPAAWQIEQRAHAFPWSEKTFFGNQGERYLNLKLTADDRMAAFAITQVVLDEATLFNIAVDPDFQRRGLGRMLLEHLIDELETRGVVTLWLEVRASNAAAIALYESLGFNEATIRRNYYPTAQGHEDAIIMALPISM---   -
               SCOP domains ------------------------------------------------------------------------------------------------------------------------------------------------------- SCOP domains
               CATH domains ------------------------------------------------------------------------------------------------------------------------------------------------------- CATH domains
               Pfam domains ------------------------------------------------------------------------------------------------------------------------------------------------------- Pfam domains
         Sec.struct. author .eeeee.hhhhhhhhhhhhhhhh....hhhhhhhh....eeeeeeee..eeeeeeeeeee..eeeeeeeee.hhhh..hhhhhhhhhhhhhhhhh...eeeeeee..hhhhhhhhhhhh.eeeeeeeeeee....eeeeeeeeee...... Sec.struct. author
                 SAPs(SNPs) ------------------------------------------------------------------------------------------------------------------------------------------------------- SAPs(SNPs)
                    PROSITE ------------------------------------------------------------------------------------------------------------------------------------------------------- PROSITE
                 Transcript ------------------------------------------------------------------------------------------------------------------------------------------------------- Transcript
                 2cnm B   1 MNTISILSTTDLPAAWQIEQRAHAFPWSEKTFFGNQGERYLNLKLTADDRMAAFAITQVVLDEATLFNIAVDPDFQRRGLGRMLLEHLIDELETRGVVTLWLEVRASNAAAIALYESLGFNEATIRRNYYPTAQGHEDAIIMALPISMKLH 151
                                    10        20        30        40        50        60        70        80        90       100       110       120       130       140       150 

Chain C from PDB  Type:PROTEIN  Length:151
 aligned with Q8ZJW4_SALTY | Q8ZJW4 from UniProtKB/TrEMBL  Length:148

    Alignment length:151
                                                                                                                                                                             148   
                                    10        20        30        40        50        60        70        80        90       100       110       120       130       140       | - 
         Q8ZJW4_SALTY     1 MNTISILSTTDLPAAWQIEQRAHAFPWSEKTFFGNQGERYLNLKLTADDRMAAFAITQVVLDEATLFNIAVDPDFQRRGLGRMLLEHLIDELETRGVVTLWLEVRASNAAAIALYESLGFNEATIRRNYYPTAQGHEDAIIMALPISM---   -
               SCOP domains ------------------------------------------------------------------------------------------------------------------------------------------------------- SCOP domains
               CATH domains ------------------------------------------------------------------------------------------------------------------------------------------------------- CATH domains
               Pfam domains ------------------------------------------------------------------------------------------------------------------------------------------------------- Pfam domains
         Sec.struct. author .eeeee.hhhhhhhhhhhhhhhh....hhhhhhhh.......eeeee...eeeeeeeeee..eeeeeeeee.hhhh..hhhhhhhhhhhhhhhhh...eeeeeee..hhhhhhhhhhh..eeeeeeeeeee....eeeeeeeeee...... Sec.struct. author
                 SAPs(SNPs) ------------------------------------------------------------------------------------------------------------------------------------------------------- SAPs(SNPs)
                    PROSITE ------------------------------------------------------------------------------------------------------------------------------------------------------- PROSITE
                 Transcript ------------------------------------------------------------------------------------------------------------------------------------------------------- Transcript
                 2cnm C   1 MNTISILSTTDLPAAWQIEQRAHAFPWSEKTFFGNQGERYLNLKLTADDRMAAFAITQVVLDEATLFNIAVDPDFQRRGLGRMLLEHLIDELETRGVVTLWLEVRASNAAAIALYESLGFNEATIRRNYYPTAQGHEDAIIMALPISMKLH 151
                                    10        20        30        40        50        60        70        80        90       100       110       120       130       140       150 

Chain D from PDB  Type:PROTEIN  Length:7
 aligned with RS18_SALTY | Q8ZK81 from UniProtKB/Swiss-Prot  Length:75

    Alignment length:7
           RS18_SALTY     1 MARYFRR   7
               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
                 2cnm D   1 xARYFRR   7
                            |      
                            1-ACE  

Chain E from PDB  Type:PROTEIN  Length:7
 aligned with RS18_SALTY | Q8ZK81 from UniProtKB/Swiss-Prot  Length:75

    Alignment length:7
           RS18_SALTY     1 MARYFRR   7
               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
                 2cnm E   1 xARYFRR   7
                            |      
                            1-ACE  

Chain F from PDB  Type:PROTEIN  Length:7
 aligned with RS18_SALTY | Q8ZK81 from UniProtKB/Swiss-Prot  Length:75

    Alignment length:7
           RS18_SALTY     1 MARYFRR   7
               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
                 2cnm F   1 xARYFRR   7
                            |      
                            1-ACE  

   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 2CNM)

(-) CATH Domains  (0, 0)

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

(-) Pfam Domains  (0, 0)

(no "Pfam Domain" information available for 2CNM)

(-) Gene Ontology  (17, 17)

Asymmetric Unit(hide GO term definitions)
Chain A,B,C   (Q8ZJW4_SALTY | Q8ZJW4)
molecular function
    GO:0008080    N-acetyltransferase activity    Catalysis of the transfer of an acetyl group to a nitrogen atom on the acceptor molecule.
    GO:0016407    acetyltransferase activity    Catalysis of the transfer of an acetyl group to an acceptor molecule.
    GO:0004596    peptide alpha-N-acetyltransferase activity    Catalysis of the reaction: acetyl-CoA + peptide = CoA + N-alpha-acetylpeptide. This reaction is the acetylation of the N-terminal amino acid residue of a peptide or protein.
    GO:0008999    ribosomal-protein-alanine N-acetyltransferase activity    Catalysis of the reaction: acetyl-CoA + ribosomal-protein L-alanine = CoA + ribosomal-protein N-acetyl-L-alanine.
    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:0016746    transferase activity, transferring acyl groups    Catalysis of the transfer of an acyl group from one compound (donor) to another (acceptor).
biological process
    GO:0017189    N-terminal peptidyl-alanine acetylation    The acetylation of the N-terminal alanine of proteins; catalyzed by peptide alpha-N-acetyltransferase or other enzymes of this class, such as ribosomal-protein-alanine N-acetyltransferase.
    GO:0006474    N-terminal protein amino acid acetylation    The acetylation of the N-terminal amino acid of proteins.
cellular component
    GO:0031248    protein acetyltransferase complex    A complex that catalyzes the transfer of an acetyl group to a protein acceptor molecule.

Chain D,E,F   (RS18_SALTY | Q8ZK81)
molecular function
    GO:0003723    RNA binding    Interacting selectively and non-covalently with an RNA molecule or a portion thereof.
    GO:0019843    rRNA binding    Interacting selectively and non-covalently with ribosomal RNA.
    GO:0003735    structural constituent of ribosome    The action of a molecule that contributes to the structural integrity of the ribosome.
biological process
    GO:0006412    translation    The cellular metabolic process in which a protein is formed, using the sequence of a mature mRNA or circRNA molecule to specify the sequence of amino acids in a polypeptide chain. Translation is mediated by the ribosome, and begins with the formation of a ternary complex between aminoacylated initiator methionine tRNA, GTP, and initiation factor 2, which subsequently associates with the small subunit of the ribosome and an mRNA or circRNA. Translation ends with the release of a polypeptide chain from the ribosome.
cellular component
    GO:0022627    cytosolic small ribosomal subunit    The small subunit of a ribosome located in the cytosol.
    GO:0005622    intracellular    The living contents of a cell; the matter contained within (but not including) the plasma membrane, usually taken to exclude large vacuoles and masses of secretory or ingested material. In eukaryotes it includes the nucleus and cytoplasm.
    GO:0030529    intracellular ribonucleoprotein complex    An intracellular macromolecular complex containing both protein and RNA molecules.
    GO:0005840    ribosome    An intracellular organelle, about 200 A in diameter, consisting of RNA and protein. It is the site of protein biosynthesis resulting from translation of messenger RNA (mRNA). It consists of two subunits, one large and one small, each containing only protein and RNA. Both the ribosome and its subunits are characterized by their sedimentation coefficients, expressed in Svedberg units (symbol: S). Hence, the prokaryotic ribosome (70S) comprises a large (50S) subunit and a small (30S) subunit, while the eukaryotic ribosome (80S) comprises a large (60S) subunit and a small (40S) subunit. Two sites on the ribosomal large subunit are involved in translation, namely the aminoacyl site (A site) and peptidyl site (P site). Ribosomes from prokaryotes, eukaryotes, mitochondria, and chloroplasts have characteristically distinct ribosomal proteins.

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 Related Entries

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

UniProtKB/TrEMBL
        Q8ZJW4_SALTY | Q8ZJW42cns 2cnt

(-) Related Entries Specified in the PDB File

2cns RIMI - RIBOSOMAL S18 N-ALPHA-PROTEIN ACETYLTRANSFERASE IN COMPLEX WITH ACETYLCOA.
2cnt RIMI - RIBOSOMAL S18 N-ALPHA-PROTEIN ACETYLTRANSFERASE IN COMPLEX WITH COENZYMEA.