4ht5

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CO2 concentrating mechanism protein P, CcmP form 1CO2 concentrating mechanism protein P, CcmP form 1

Structural highlights

4ht5 is a 6 chain structure with sequence from Synechococcus elongatus PCC 6301. Full crystallographic information is available from OCA. For a guided tour on the structure components use FirstGlance.
Method:X-ray diffraction, Resolution 2.51Å
Resources:FirstGlance, OCA, PDBe, RCSB, PDBsum, ProSAT

Function

CCMP_SYNE7 Probably part of the carboxysome shell, a polyhedral inclusion where RuBisCO (ribulose bisphosphate carboxylase, rbcL-rbcS) is sequestered. It is thought that this protein controls transport of RuBisCO reactants in and out of the carboxysome; residual densities in the 4 X-ray structures suggest that differing compounds bind in interior pockets, depending on the open or closed state of the pore.[1]

References

  1. Cai F, Sutter M, Cameron JC, Stanley DN, Kinney JN, Kerfeld CA. The structure of CcmP, a tandem bacterial microcompartment domain protein from the beta-carboxysome, forms a subcompartment within a microcompartment. J Biol Chem. 2013 May 31;288(22):16055-63. doi: 10.1074/jbc.M113.456897. Epub, 2013 Apr 9. PMID:23572529 doi:10.1074/jbc.M113.456897

4ht5, resolution 2.51Å

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OCA