PDB entry 2a18

View 2a18 on RCSB PDB site
Description: carboxysome shell protein ccmK4, crystal form 2
Class: carboxysome
Keywords: cyclic hexamer; c6 point symmetry
Deposited on 2005-06-18, released 2005-08-09
The last revision prior to the SCOP 1.73 freeze date was dated 2005-08-09, with a file datestamp of 2007-06-04.
Experiment type: XRAY
Resolution: 2.28 Å
R-factor: 0.204
AEROSPACI score: 0.37 (click here for full SPACI score report)

Chains and heterogens:

  • Chain 'A':
    Compound: Carbon dioxide concentrating mechanism protein ccmK homolog 4
    Species: Synechocystis sp.
    Gene: ccmK4
    Database cross-references and differences (RAF-indexed): Domains in SCOP 1.73: d2a18a1
  • Chain 'B':
    Compound: Carbon dioxide concentrating mechanism protein ccmK homolog 4
    Species: Synechocystis sp.
    Gene: ccmK4
    Database cross-references and differences (RAF-indexed): Domains in SCOP 1.73: d2a18b1
  • Chain 'C':
    Compound: Carbon dioxide concentrating mechanism protein ccmK homolog 4
    Species: Synechocystis sp.
    Gene: ccmK4
    Database cross-references and differences (RAF-indexed): Domains in SCOP 1.73: d2a18c1
  • Heterogens: NH4, HOH

PDB Chain Sequences:

  • Chain 'A':
    Sequence, based on SEQRES records: (download) 
    >2a18A (A:)
msaqsavgsietigfpgilaaadamvkagritivgyiragsarftlnirgdvqevktama
agidainrtegadvktwviiprphenvvavlpidfspevepfreaaeglnrrgvprgleh
hhhhh

    Sequence, based on observed residues (ATOM records): (download) 
    >2a18A (A:)
qsavgsietigfpgilaaadamvkagritivgyiragsarftlnirgdvqevktamaagi
dainrtegadvktwviiprphenvvavlpidfspevepfreaae

  • Chain 'B':
    Sequence, based on SEQRES records: (download) 
    >2a18B (B:)
msaqsavgsietigfpgilaaadamvkagritivgyiragsarftlnirgdvqevktama
agidainrtegadvktwviiprphenvvavlpidfspevepfreaaeglnrrgvprgleh
hhhhh

    Sequence, based on observed residues (ATOM records): (download) 
    >2a18B (B:)
qsavgsietigfpgilaaadamvkagritivgyiragsarftlnirgdvqevktamaagi
dainrtegadvktwviiprphenvvavlpidfspevepfreaae

  • Chain 'C':
    Sequence, based on SEQRES records: (download) 
    >2a18C (C:)
msaqsavgsietigfpgilaaadamvkagritivgyiragsarftlnirgdvqevktama
agidainrtegadvktwviiprphenvvavlpidfspevepfreaaeglnrrgvprgleh
hhhhh

    Sequence, based on observed residues (ATOM records): (download) 
    >2a18C (C:)
qsavgsietigfpgilaaadamvkagritivgyiragsarftlnirgdvqevktamaagi
dainrtegadvktwviiprphenvvavlpidfspevepfreaae