2a1b Summary

pdbe.org/2a1b
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Carboxysome shell protein ccmK2

The structure was published by Kerfeld, C.A., Sawaya, M.R., Tanaka, S., et al., Phillips, M., Beeby, M., and Yeates, T.O., in 2005 in a paper entitled "Protein structures forming the shell of primitive bacterial organelles" (abstract).

This crystal structure was determined using X-ray diffraction at a resolution of 2.9 Å and deposited in 2005.

The experimental data on which the structure is based was also deposited.

This PDB entry contains multiple copies of the structure of Carbon dioxide concentrating mechanism protein ccmK homolog 2.

The molecule has more than one probable quaternary state observed. For more details see the quaternary structure page.

The following tables show cross-reference information to other databases (to obtain a list of all PDB entries sharing the same property or classification, click on the magnifying glass icon):


Chain Name UniProt Name of source organism % of UniProt sequence present in the sample Residues in the sample molecules % of residues observed
A Carbon dioxide concentrating mechanism protein ccmK homolog 2 P72761 (1-103) (CCMK2_SYNY3)search Synechocystis sp. PCC 6803 substr. Kazusasearch 100% 116 87%
B Carbon dioxide concentrating mechanism protein ccmK homolog 2 P72761 (1-103) (CCMK2_SYNY3)search Synechocystis sp. PCC 6803 substr. Kazusasearch 100% 116 87%
C Carbon dioxide concentrating mechanism protein ccmK homolog 2 P72761 (1-103) (CCMK2_SYNY3)search Synechocystis sp. PCC 6803 substr. Kazusasearch 100% 116 87%
D Carbon dioxide concentrating mechanism protein ccmK homolog 2 P72761 (1-103) (CCMK2_SYNY3)search Synechocystis sp. PCC 6803 substr. Kazusasearch 100% 116 87%
E Carbon dioxide concentrating mechanism protein ccmK homolog 2 P72761 (1-103) (CCMK2_SYNY3)search Synechocystis sp. PCC 6803 substr. Kazusasearch 100% 116 87%
F Carbon dioxide concentrating mechanism protein ccmK homolog 2 P72761 (1-103) (CCMK2_SYNY3)search Synechocystis sp. PCC 6803 substr. Kazusasearch 100% 116 87%
G Carbon dioxide concentrating mechanism protein ccmK homolog 2 P72761 (1-103) (CCMK2_SYNY3)search Synechocystis sp. PCC 6803 substr. Kazusasearch 100% 116 87%
H Carbon dioxide concentrating mechanism protein ccmK homolog 2 P72761 (1-103) (CCMK2_SYNY3)search Synechocystis sp. PCC 6803 substr. Kazusasearch 100% 116 87%
I Carbon dioxide concentrating mechanism protein ccmK homolog 2 P72761 (1-103) (CCMK2_SYNY3)search Synechocystis sp. PCC 6803 substr. Kazusasearch 100% 116 87%
J Carbon dioxide concentrating mechanism protein ccmK homolog 2 P72761 (1-103) (CCMK2_SYNY3)search Synechocystis sp. PCC 6803 substr. Kazusasearch 100% 116 87%
K Carbon dioxide concentrating mechanism protein ccmK homolog 2 P72761 (1-103) (CCMK2_SYNY3)search Synechocystis sp. PCC 6803 substr. Kazusasearch 100% 116 87%
L Carbon dioxide concentrating mechanism protein ccmK homolog 2 P72761 (1-103) (CCMK2_SYNY3)search Synechocystis sp. PCC 6803 substr. Kazusasearch 100% 116 87%


This entry contains 1 unique UniProt protein:

UniProt accession Name Organism PDB
P72761 (1 - 103) Carbon dioxide concentrating mechanism protein ccmK homolog 2 Synechocystis sp. PCC 6803

Chain Structural classification (SCOP) Sequence family (Pfam)
A, B, C, D, E, F, G, H, I, J, K, L CcmK-likesearch BMC domainsearch
Chain InterPro annotation
A, B, C, D, E, F, G, H, I, J, K, L Microcompartment protein, bacteriasearch Bacterial microcompartments protein, conserved sitesearch