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Surface representation of NCCM1. Residues shown in red are involved in all interactions with OpaCEA proteins. Residues in orange only participate in binding to specific Opa variants. Residues shown in dark blue are involved in NCCM homotypic and heterotypic interactions. Residues highlighted in light blue are also involved in homotypic and heterotypic interactions, and interactions with specific Opa proteins. Residue numbering corresponds to CEACAM1 sequence, UniProt ID P13688-1.
