PDB entry 1g9y

View 1g9y on RCSB PDB site
Description: homing endonuclease I-crei / DNA substrate complex with calcium
Class: hydrolase/DNA
Keywords: LAGLIDADG, homing endonuclease, nuclease mechanism, Group I intron
Deposited on 2000-11-28, released 2001-04-02
The last revision prior to the SCOP 1.73 freeze date was dated 2003-04-01, with a file datestamp of 2007-06-04.
Experiment type: XRAY
Resolution: 2.05 Å
R-factor: 0.207
AEROSPACI score: 0.39 (click here for full SPACI score report)

Chains and heterogens:

  • Chain 'A':
    Compound: DNA endonuclease I-crei
    Species: Chlamydomonas reinhardtii
    Gene: CR.LSU INTRON OF CHOROPLAST 23S RRNA GENE
    Database cross-references and differences (RAF-indexed):
    • Uniprot P05725
      • see remark 999 (40)
      • see remark 999 (108-109)
    Domains in SCOP 1.73: d1g9ya_
  • Chain 'B':
    Compound: DNA endonuclease I-crei
    Species: Chlamydomonas reinhardtii
    Gene: CR.LSU INTRON OF CHOROPLAST 23S RRNA GENE
    Database cross-references and differences (RAF-indexed):
    • Uniprot P05725 (0-151)
      • see remark 999 (40)
      • see remark 999 (108-109)
    Domains in SCOP 1.73: d1g9yb_
  • Chain 'C':
    Compound: 5'-d(*cp*gp*ap*ap*ap*cp*tp*gp*tp*cp*tp*cp*ap*cp*gp*ap*cp*gp*tp*tp*tp*tp*gp*c)-3'
  • Chain 'D':
    Compound: 5'-d(*gp*cp*ap*ap*ap*ap*cp*gp*tp*cp*gp*tp*gp*ap*gp*ap*cp*ap*gp*tp*tp*tp*cp*g)-3'
  • Heterogens: CA, HOH

PDB Chain Sequences:

  • Chain 'A':
    Sequence; same for both SEQRES and ATOM records: (download)
    >1g9yA (A:)
    ntkynkefllylagfvdgdgsiiaqikpnqsykfkhqlsltfqvtqktqrrwfldklvde
    igvgyvrdrgsvsdyilseikplhnfltqlqpflklkqkqanlvlkiieqlpsakespdk
    flevctwvdqiaalndsktrkttsetvravld
    

  • Chain 'B':
    Sequence; same for both SEQRES and ATOM records: (download)
    >1g9yB (B:)
    ntkynkefllylagfvdgdgsiiaqikpnqsykfkhqlsltfqvtqktqrrwfldklvde
    igvgyvrdrgsvsdyilseikplhnfltqlqpflklkqkqanlvlkiieqlpsakespdk
    flevctwvdqiaalndsktrkttsetvravld
    

  • Chain 'C':
    No sequence available.

  • Chain 'D':
    No sequence available.