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(-) Description

Title :  STRUCTURE OF ARCHAEAL TRANSLATION FACTOR AIF2BETA FROM METHANOBACTERIUM THERMOAUTROPHICUM
 
Authors :  P. Gutierrez, J. F. Trempe, N. Siddiqui, C. Arrowsmith, K. Gehring
Date :  11 Dec 02  (Deposition) - 09 Mar 04  (Release) - 24 Feb 09  (Revision)
Method :  SOLUTION NMR
Resolution :  NOT APPLICABLE
Chains :  NMR Structure  :  A  (20x)
Keywords :  Two Domain Protein, Mixed Alpha-Beta Structure, Zinc Finger, Translation (Keyword Search: [Gene Ontology, PubMed, Web (Google)] )
 
Reference :  P. Gutierrez, M. J. Osborne, N. Siddiqui, J. F. Trempe, C. Arrowsmith, K. Gehring
Structure Of The Archaeal Translation Initiation Factor Aif2Beta From Methanobacterium Thermoautotrophicum: Implications For Translation Initiation.
Protein Sci. V. 13 659 2004
PubMed-ID: 14978306  |  Reference-DOI: 10.1110/PS.03506604
(for further references see the PDB file header)

(-) Compounds

Molecule 1 - PROBABLE TRANSLATION INITIATION FACTOR 2 BETA SUBUNIT
    Chains: A
    Engineered: YES
    Expression System: ESCHERICHIA COLI BL21
    Expression System Strain: BL21
    Expression System Taxid: 511693
    Expression System Vector Type: PET15B
    Gene: MTH1769
    Organism Scientific: METHANOTHERMOBACTER THERMAUTOTROPHICUS
    Organism Taxid: 145262
    Synonym: EIF-2-BETA

 Structural Features

(-) Chains, Units

  
NMR Structure (20x): 

Summary Information (see also Sequences/Alignments below)

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

NMR Structure (1, 1)
No.NameCountTypeFull Name
1ZN1Ligand/IonZINC ION

(-) Sites  (1, 1)

NMR Structure (1, 1)
No.NameEvidenceResiduesDescription
1AC1SOFTWARECYS A:102 , CYS A:105 , CYS A:123 , CYS A:126BINDING SITE FOR RESIDUE ZN A 136

(-) SS Bonds  (0, 0)

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

(-) Cis Peptide Bonds  (0, 0)

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

 Sequence-Structure Mapping

(-) SAPs(SNPs)/Variants  (0, 0)

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

(-) PROSITE Motifs  (0, 0)

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(-) Exons   (0, 0)

(no "Exon" information available for 1NEE)

(-) Sequences/Alignments

NMR Structure
   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:135
 aligned with IF2B_METTH | O27797 from UniProtKB/Swiss-Prot  Length:135

    Alignment length:135
                                    10        20        30        40        50        60        70        80        90       100       110       120       130     
           IF2B_METTH     1 MDDYEKLLERAIDQLPPEVFETKRFEVPKAYSVIQGNRTFIQNFREVADALNRDPQHLLKFLLRELGTAGNLEGGRAILQGKFTHFLINERIEDYVNKFVICHECNRPDTRIIREGRISLLKCEACGAKAPLKNV 135
               SCOP domains d1neea1 A:1-98 Translation initiation factor 2 beta, aIF2beta, N-terminal domain                  d1neea2 A:99-135                      SCOP domains
               CATH domains --------------------------------------------------------------------------------------------------------------------------------------- CATH domains
               Pfam domains ---------eIF-5_eIF-2B-1neeA01 A:10-131                                                                                             ---- Pfam domains
         Sec.struct. author .................................ee..eeee.hhhhhhhhhh.hhhhhhhhhhhhh..........eeee.....hhhhhhhhhhhhhhhhhh.........eee....eee............. Sec.struct. author
                 SAPs(SNPs) --------------------------------------------------------------------------------------------------------------------------------------- SAPs(SNPs)
                    PROSITE --------------------------------------------------------------------------------------------------------------------------------------- PROSITE
                 Transcript --------------------------------------------------------------------------------------------------------------------------------------- Transcript
                 1nee A   1 MDDYEKLLERAIDQLPPEVFETKRFEVPKAYSVIQGNRTFIQNFREVADALNRDPQHLLKFLLRELGTAGNLEGGRAILQGKFTHFLINERIEDYVNKFVICHECNRPDTRIIREGRISLLKCEACGAKAPLKNV 135
                                    10        20        30        40        50        60        70        80        90       100       110       120       130
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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)

NMR Structure
(-)
Class: Alpha and beta proteins (a+b) (23004)
(-)
Class: Small proteins (3458)

(-) CATH Domains  (0, 0)

(no "CATH Domain" information available for 1NEE)

(-) Pfam Domains  (1, 1)

NMR Structure
(-)
Clan: no clan defined [family: eIF-5_eIF-2B] (4)

(-) Gene Ontology  (3, 3)

NMR Structure(hide GO term definitions)
Chain A   (IF2B_METTH | O27797)
molecular function
    GO:0003743    translation initiation factor activity    Functions in the initiation of ribosome-mediated translation of mRNA into a polypeptide.
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:0006413    translational initiation    The process preceding formation of the peptide bond between the first two amino acids of a protein. This includes the formation of a complex of the ribosome, mRNA or circRNA, and an initiation complex that contains the first aminoacyl-tRNA.

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