1s2p Summary

pdbe.org/1s2p
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The structure and refinement of apocrustacyanin C2 to 1.3A resolution and the search for differences between this protein and the homologous apoproteins A1 and C1

The structure was published by Habash, J., Helliwell, J.R., Raftery, J., et al., Chayen, N.E., Nneji, G.A., and Zagalsky, P.F., in 2004 in a paper entitled "The structure and refinement of apocrustacyanin C2 to 1.3 A resolution and the search for differences between this protein and the homologous apoproteins A1 and C1." (abstract).

This crystal structure was determined using X-ray diffraction at a resolution of 1.3 Å and deposited in 2004.

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

This PDB entry contains multiple copies of the structure of Crustacyanin C2 subunit.

It also contains one or more heterogenic compounds (e.g., ligands, co-factors, ions, modified amino acids, etc.); see here for a complete list.

The molecule most likely forms homodimers.

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 Crustacyanin C2 subunit P80029 (1-181) (CRC1_HOMGA)search Homarus gammarussearch 99% 181 99%
B Crustacyanin C2 subunit P80029 (1-181) (CRC1_HOMGA)search Homarus gammarussearch 99% 181 99%


This entry contains 1 unique UniProt protein:

UniProt accession Name Organism PDB
P80029 (1 - 181) Crustacyanin C2 subunit Homarus gammarus

Chain Structural classification (SCOP) Structural classification (CATH) Sequence family (Pfam)
A, B (P80029) Retinol binding protein-likesearch Lipocalinsearch PF00061: Lipocalin / cytosolic fatty-acid binding protein familysearch

Chain ID Molecular function (GO) Cellular component (GO) Biological process (GO)
A, B (P80029) pigment bindingsearch small molecule bindingsearch extracellular spacesearch extracellular regionsearch transportsearch

Chain InterPro annotation
A, B Lipocalin/cytosolic fatty-acid binding domainsearch Lipocalinsearch Invertebrate colouration proteinsearch Calycin-likesearch Calycinsearch Lipocalin, ApoD typesearch