Sample purification and characterization of the α- and β-crustacyanin pigments from the American lobster for crystallographic and cryo-EM studies

Cedri, M.C.; Bansia, H.; Amici, A.; Collet, T.; Moretti, P.; McCarthy, A.A.; Mueller-Dieckmann, C.; Raffaelli, N.; Wang, T.; des Georges, A.; Cianci, M.

doi:10.1107/S2053230X2600018X

Acta Crystallographica Section F
Acta Crystallographica
Section F STRUCTURAL BIOLOGY COMMUNICATIONS

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Figure 2
Top panel: gene location of the three genes (LOC121869686, LOC121869706 and LOC121869723) coding for three single proteins of type I [CRTC; XP_042227176.1 (XM_042371242.1), XP_042227198.1 (XM_042371264.1) and XP_042227223.1 (XM_042371289.1), respectively] and for the three genes (LOC121869696, LOC121869714 and LOC121869734) coding for three single proteins of type II [CRTA; XP_042227187.1 (XM_042371253.1), XP_042227211.1 (XM_042371277.1) and XP_042227234.1 (XM_042371300.1), respectively]. Multiple sequence alignment of type I (middle panel) and type II (bottom panel) proteins from H. americanus against those from H. gammarus. Amino acids conserved in all sequences are marked with a star, conserved amino acids are indicated with a colon and nonconserved amino acids are indicated with a dot. The FASTA sequences identified for the structures XP_042227176.1 with UniProt code A0A8J5NDD0 corresponding to CRTC subunit H1 and XP_042227211.1 with UniProt code A0A8J5NC20 corresponding to CRTA subunit H2 are highlighted in green.

STRUCTURAL BIOLOGY
COMMUNICATIONS

ISSN: 2053-230X

Volume 82| Part 2| February 2026| Pages 49-56

https://doi.org/10.1107/S2053230X2600018X

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