6XTZ:
reference: Glypicans shield the Wnt lipid moiety to enable signalling at a distance., McGough IJ, Vecchia L, Bishop B, Malinauskas T, Beckett K, Joshi D, O'Reilly N, Siebold C, Jones EY, Vincent JP, Nature. 2020 Jul 22. pii: 10.1038/s41586-020-2498-z. doi:, 10.1038/s41586-020-2498-z. PMID: 32699409

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