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(-) Description

Authors :  Joint Center For Structural Genomics (Jcsg)
Date :  08 Apr 05  (Deposition) - 03 May 05  (Release) - 13 Jul 11  (Revision)
Resolution :  2.34
Chains :  Asym./Biol. Unit :  A
Keywords :  Smu. 1085, Peptide Chain Release Factor 1 (Rf-1), Structural Genomics, Joint Center For Structural Genomics, Jcsg, Protein Structure Initiative, Psi, Translation (Keyword Search: [Gene Ontology, PubMed, Web (Google))
Reference :  Joint Center For Structural Genomics (Jcsg)
Crystal Structure Of Peptide Chain Release Factor 1 (Rf-1) (Smu. 1085) From Streptococcus Mutans At 2. 34 A Resolution
To Be Published
PubMed: search

(-) Compounds

    Expression SystemESCHERICHIA COLI
    Expression System Taxid562
    Expression System Vector TypePLASMID
    GenePRFA, RF1
    Organism ScientificSTREPTOCOCCUS MUTANS
    Organism Taxid1309

 Structural Features

(-) Chains, Units

Asymmetric/Biological Unit A

Summary Information (see also Sequences/Alignments below)

(-) Ligands, Modified Residues, Ions  (1, 9)

Asymmetric/Biological Unit (1, 9)
No.NameCountTypeFull Name

(-) Sites  (0, 0)

(no "Site" information available for 1ZBT)

(-) SS Bonds  (0, 0)

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

(-) Cis Peptide Bonds  (0, 0)

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

 Sequence-Structure Mapping

(-) SAPs(SNPs)/Variants  (0, 0)

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

(-) PROSITE Motifs  (1, 1)

Asymmetric/Biological Unit (1, 1)
1RF_PROK_IPS00745 Prokaryotic-type class I peptide chain release factors signature.RF1_STRMU229-245  1A:229-245

(-) Exons   (0, 0)

(no "Exon" information available for 1ZBT)

(-) 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:320
 aligned with RF1_STRMU | Q8DU64 from UniProtKB/Swiss-Prot  Length:359

    Alignment length:360
                              |      8        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
               SCOP domains d1zbta_ A: automate                    d matches                                                                                                                                                                                                                                                                                                                         SCOP domains
               CATH domains -------------------                    -----------------------------       ------------------------------------------------------------------------------------------------------------------------------------------1zbtA03 A:212-292           [code=, no name defined]                  -    ------------------------------------------------------------- CATH domains
               Pfam domains -------------------                    ---------------------------PC       RF-1zbtA01 A:65-180                                                                                        ----------------------------RF-1-1zbtA02 A:209-322                                                                                            ------------------------------------ Pfam domains
         Sec.struct. author ...hhhhhhhhhhhhhhhh--------------------.hhhhhhhhhhhhhhhhhhhhhhhhhhhh-------hhhhhhhhhhhhhhhhhhhhhhhhhhh............eeeeeee...hhhhhhhhhhhhhhhhhhhhhhh.eeeeeeeee.....eeeeeeeee..hhhhhhhhhheeeeeee..........eeeeeeeeeee..hhhhh..hhh.eeeeee..---------....eeeeee....eeeee....hhhhhhhhhhhhhhhhhhhhhhhhhhhhh..----.........eeeeee....eeee....eee.hhhhhhh..hhhhhhhhhhhhhhhhhhhh. Sec.struct. author
                 SAPs(SNPs) ------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------ SAPs(SNPs)
                    PROSITE --------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------RF_PROK_I        ----------------------------------------------------------------------------------------------------------------- PROSITE
                 Transcript ------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------ Transcript
                              |      8        |-         -        38        48        58       | -     |  78|       88        98       108       118       128       138       148  |    158       168       178       188       198       208       218       228 |       - |     248       258       268   |   278       288    |  298       308       318       328       338       348       358
                              |              17                   38                          66-MSE  74    |                                                      136-MSE        151-MSE         167-MSE                                  208-MSE               230       240               258-MSE       272-MSE              293  298                                                            
                              1-MSE                                                                        79-MSE                                                                                                                                                                                                                                                                                   

   Legend:   → Mismatch (orange background)
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    → 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, 1)

Asymmetric/Biological Unit

(-) CATH Domains  (1, 1)

Asymmetric/Biological Unit
Class: Alpha Beta (26913)

(-) Pfam Domains  (2, 2)

Asymmetric/Biological Unit
Clan: RF (4)

(-) Gene Ontology  (5, 5)

Asymmetric/Biological Unit(hide GO term definitions)
Chain A   (RF1_STRMU | Q8DU64)
molecular function
    GO:0003747    translation release factor activity    Involved in catalyzing the release of a nascent polypeptide chain from a ribosome.
    GO:0016149    translation release factor activity, codon specific    A translation release factor that is specific for one or more particular termination codons; acts at the ribosomal A-site and require polypeptidyl-tRNA at the P-site.
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.
    GO:0006415    translational termination    The process resulting in the release of a polypeptide chain from the ribosome, usually in response to a termination codon (UAA, UAG, or UGA in the universal genetic code).
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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