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Human prototype galectins with different global forms. (A) Gal-1 dimeric structure; (B) Gal-2 dimeric structure; (C) Gal-7 dimeric structure; (D) Gal-10 dimeric structure; (E) Gal-13 dimeric structure; (F) stereoscopic overlay of Gal-1, -2, -7, -10 and -13. Each human prototype galectin has two CRDs and each CRD has one S-face and one F-Face. Besides Gal-1 and Gal-2, the dimeric packing patterns of the other three prototype galectins are different from each other.
