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(-) Description

Title :  STRUCTURAL BASIS FOR TRANSFER RNA AMINOACEYLATION BY ESCHERICHIA COLI GLUTAMINYL-TRNA SYNTHETASE
 
Authors :  J. J. Perona, T. A. Steitz, M. A. Rould
Date :  15 Sep 93  (Deposition) - 07 Feb 95  (Release) - 15 Feb 17  (Revision)
Method :  X-RAY DIFFRACTION
Resolution :  2.80
Chains :  Asym./Biol. Unit :  A,B
Keywords :  Protein-Rna Complex, Ligase-Rna Complex (Keyword Search: [Gene Ontology, PubMed, Web (Google))
 
Reference :  J. J. Perona, M. A. Rould, T. A. Steitz
Structural Basis For Transfer Rna Aminoacylation By Escherichia Coli Glutaminyl-Trna Synthetase.
Biochemistry V. 32 8758 1993
PubMed-ID: 8364025  |  Reference-DOI: 10.1021/BI00085A006
(for further references see the PDB file header)

(-) Compounds

Molecule 1 - TRNAGLN
    ChainsB
    Organism ScientificESCHERICHIA COLI
    Organism Taxid562
 
Molecule 2 - PROTEIN (GLUTAMINYL-TRNA SYNTHETASE (E.C.6.1.1.18))
    ChainsA
    Organism ScientificESCHERICHIA COLI
    Organism Taxid562

 Structural Features

(-) Chains, Units

  12
Asymmetric/Biological Unit AB

Summary Information (see also Sequences/Alignments below)

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

Asymmetric/Biological Unit (1, 1)
No.NameCountTypeFull Name
1AMP1Ligand/IonADENOSINE MONOPHOSPHATE

(-) Sites  (1, 1)

Asymmetric Unit (1, 1)
No.NameEvidenceResiduesDescription
1AC1SOFTWAREPRO A:32 , GLU A:34 , GLY A:42 , HIS A:43 , SER A:46 , THR A:230 , ARG A:260 , LEU A:261 , LYS A:270 , HOH A:751 , HOH A:753 , A B:76 , HOH B:769BINDING SITE FOR RESIDUE AMP A 999

(-) SS Bonds  (1, 1)

Asymmetric/Biological Unit
No.Residues
1A:48 -A:310

(-) Cis Peptide Bonds  (0, 0)

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

 Sequence-Structure Mapping

(-) SAPs(SNPs)/Variants  (0, 0)

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

(-) PROSITE Motifs  (1, 1)

Asymmetric/Biological Unit (1, 1)
 PROSITEUniProtKBPDB
No.IDACDescriptionIDLocationCountLocation
1AA_TRNA_LIGASE_IPS00178 Aminoacyl-transfer RNA synthetases class-I signature.SYQ_ECOLI34-45  1A:33-44

(-) Exons   (0, 0)

(no "Exon" information available for 1GTS)

(-) 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:529
 aligned with SYQ_ECOLI | P00962 from UniProtKB/Swiss-Prot  Length:554

    Alignment length:540
                                    18        28        38        48        58        68        78        88        98       108       118       128       138       148       158       168       178       188       198       208       218       228       238       248       258       268       278       288       298       308       318       328       338       348       358       368       378       388       398       408       418       428       438       448       458       468       478       488       498       508       518       528       538       548
            SYQ_ECOLI     9 TNFIRQIIDEDLASGKHTTVHTRFPPEPNGYLHIGHAKSICLNFGIAQDYKGQCNLRFDDTNPVKEDIEYVESIKNDVEWLGFHWSGNVRYSSDYFDQLHAYAIELINKGLAYVDELTPEQIREYRGTLTQPGKNSPYRDRSVEENLALFEKMRAGGFEEGKACLRAKIDMASPFIVMRDPVLYRIKFAEHHQTGNKWCIYPMYDFTHCISDALEGITHSLCTLEFQDNRRLYDWVLDNITIPVHPRQYEFSRLNLEYTVMSKRKLNLLVTDKHVEGWDDPRMPTISGLRRRGYTAASIREFCKRIGVTKQDNTIEMASLESCIREDLNENAPRAMAVIDPVKLVIENYQGEGEMVTMPNHPNKPEMGSRQVPFSGEIWIDRADFREEANKQYKRLVLGKEVRLRNAYVIKAERVEKDAEGNITTIFCTYDADTLSKDPADGRKVKGVIHWVSAAHALPVEIRLYDRLFSVPNPGAADDFLSVINPESLVIKQGFAEPSLKDAVAGKAFQFEREGYFCLDSRHSTAEKPVFNRTVGLRDT 548
               SCOP domains d1gtsa2 A:8-338 Glutaminyl-tRNA synthetase (GlnRS)                                                                                                                                                                                                                                                                                         d1gtsa1 A:339-547 Gln-tRNA synthetase (GlnRS), C-terminal (anticodon-binding) domain                                                                                                                              SCOP domains
               CATH domains -------------------1gtsA05 A:27-99,A:210-259                                                1gtsA04 A:100-208 Glutamyl-tRNA Synthetase; Domain 3                                                         -1gtsA05 A:27-99,A:210-259                         1gtsA03 A:260-338 Glutamyl-trna Synthetase; Domain 2                           1gtsA02 1gtsA01 A:347-464 Ribosomal Protein L25; Chain P                                                                      1gtsA02 A:339-346,A:465-546 Ribosomal Protein L25; Chain P                        - CATH domains
               Pfam domains ------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------ Pfam domains
         Sec.struct. author ..hhhhhhhhhhhh......eeee.........hhhhhhhhhhhhhhhh...eeee......hhh..hhhhhhhhhhhhh...........hhhhhhhhhhhhhhhhh...eeee...hhhhhhhh................hhhhhhhhhhhh.........eeee........hhh.....eee.............eee.hhhhhhhhhhhh...eeeeehhh..hhhhhhhhhh........eeeee...........hhhhhhhhh..............hhhhhhh...hhhhhhhhhhh..........hhhhhhhhhhhhhhh.........eeeeee........eeeee.....hhh.eeeee...eeeeehhh................eee.....eeeeeeee........eeeeee.....-----------....eeehhheeeeeeeee........hhh...hhhh.....eeeeeeeeehhhhh............eeeee.........eeeeeeee.... Sec.struct. author
                 SAPs(SNPs) ------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------ SAPs(SNPs)
                    PROSITE -------------------------AA_TRNA_LIGA----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- PROSITE
                 Transcript ------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------ Transcript
                 1gts A   8 TNFIRQIIDEDLASGKHTTVHTRFPPEPNGYLHIGHAKSICLNFGIAQDYKGQCNLRFDDTNPVKEDIEYVESIKNDVEWLGFHWSGNVRYSSDYFDQLHAYAIELINKGLAYVDELTPEQIREYRGTLTQPGKNSPYRDRSVEENLALFEKMRAGGFEEGKACLRAKIDMASPFIVMRDPVLYRIKFAEHHQTGNKWCIYPMYDFTHCISDALEGITHSLCTLEFQDNRRLYDWVLDNITIPVHPRQYEFSRLNLEYTVMSKRKLNLLVTDKHVEGWDDPRMPTISGLRRRGYTAASIREFCKRIGVTKQDNTIEMASLESCIREDLNENAPRAMAVIDPVKLVIENYQGEGEMVTMPNHPNKPEMGSRQVPFSGEIWIDRADFREEANKQYKRLVLGKEVRLRNAYVIKAERVEKDAEGNITTIFCTYDADTL-----------GVIHWVSAAHALPVEIRLYDRLFSVPNPGAADDFLSVINPESLVIKQGFAEPSLKDAVAGKAFQFEREGYFCLDSRHSTAEKPVFNRTVGLRDT 547
                                    17        27        37        47        57        67        77        87        97       107       117       127       137       147       157       167       177       187       197       207       217       227       237       247       257       267       277       287       297       307       317       327       337       347       357       367       377       387       397       407       417       427       437    |    -      |457       467       477       487       497       507       517       527       537       547
                                                                                                                                                                                                                                                                                                                                                                                                                                                                            442         454                                                                                             

Chain B from PDB  Type:RNA  Length:74
                                                                                                          
                 1gts B   2 GGGGUAUCGCCAAGCGGUAAGGCACCGGAUUCUGAUUCCGGCAUUCCGAGGUUCGAAUCCUCGUACCCCAGCCA  76
                                    11    ||  22        32        42        52        62        72    
                                         16|                                                          
                                          18                                                          

   Legend:   → Mismatch (orange background)
  - → Gap (green background, '-', border residues have a numbering label)
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  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  (2, 2)

Asymmetric/Biological Unit

(-) CATH Domains  (4, 5)

Asymmetric/Biological Unit
(-)
Class: Alpha Beta (26913)
(-)
Class: Mainly Beta (13760)

(-) Pfam Domains  (0, 0)

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

(-) Gene Ontology  (13, 13)

Asymmetric/Biological Unit(hide GO term definitions)
Chain A   (SYQ_ECOLI | P00962)
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:0004812    aminoacyl-tRNA ligase activity    Catalysis of the formation of aminoacyl-tRNA from ATP, amino acid, and tRNA with the release of diphosphate and AMP.
    GO:0004819    glutamine-tRNA ligase activity    Catalysis of the reaction: ATP + L-glutamine + tRNA(Gln) = AMP + diphosphate + L-glutaminyl-tRNA(Gln).
    GO:0016874    ligase activity    Catalysis of the joining of two substances, or two groups within a single molecule, with the concomitant hydrolysis of the diphosphate bond in ATP or a similar triphosphate.
    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.
biological process
    GO:0006425    glutaminyl-tRNA aminoacylation    The process of coupling glutamine to glutaminyl-tRNA, catalyzed by glutaminyl-tRNA synthetase. The glutaminyl-tRNA synthetase is a class-I synthetase. The activated amino acid is transferred to the 2'-OH group of a glutamine-accetping tRNA. The 2'-O-aminoacyl-tRNA will ultimately migrate to the 3' position via transesterification.
    GO:0006424    glutamyl-tRNA aminoacylation    The process of coupling glutamate to glutamyl-tRNA, catalyzed by glutamyl-tRNA synthetase. The glutamyl-tRNA synthetase is a class-I synthetase. The activated amino acid is transferred to the 2'-OH group of a glutamic acid-accetping tRNA. The 2'-O-aminoacyl-tRNA will ultimately migrate to the 3' position via transesterification.
    GO:0043039    tRNA aminoacylation    The chemical reactions and pathways by which the various amino acids become bonded to their corresponding tRNAs. The most common route for synthesis of aminoacyl tRNA is by the formation of an ester bond between the 3'-hydroxyl group of the most 3' adenosine of the tRNA and the alpha carboxylic acid group of an amino acid, usually catalyzed by the cognate aminoacyl-tRNA ligase. A given aminoacyl-tRNA ligase aminoacylates all species of an isoaccepting group of tRNA molecules.
    GO:0006418    tRNA aminoacylation for protein translation    The synthesis of aminoacyl tRNA by the formation of an ester bond between the 3'-hydroxyl group of the most 3' adenosine of the tRNA and the alpha carboxylic acid group of an amino acid, to be used in ribosome-mediated polypeptide synthesis.
    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: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.

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 Related Entries

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

UniProtKB/Swiss-Prot
        SYQ_ECOLI | P009621euq 1euy 1exd 1gsg 1gtr 1nyl 1o0b 1o0c 1qrs 1qrt 1qru 1qtq 1zjw 2rd2 2re8 4jxx 4jxz 4jyz

(-) Related Entries Specified in the PDB File

1gtr SIMILAR STRUCTURE AT HIGHER RESOLUTION