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. 2015 Mar 8;16:4. doi: 10.1186/s12867-015-0035-7

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© Yang et al.; licensee BioMed Central. 2015

This is an Open Access article distributed under the terms of the Creative Commons Attribution License (http://creativecommons.org/licenses/by/4.0), which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly credited. The Creative Commons Public Domain Dedication waiver (http://creativecommons.org/publicdomain/zero/1.0/) applies to the data made available in this article, unless otherwise stated.

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Phylogenetic tree and domains of porcine SFRP1 protein. (A) Phylogenetic tree of SFRP1 from different species. The GenBank accession numbers of those sequences are as follows: pig, XP_003359916.2; human, NP_003003.3; cattle,NP_776885.1; rat, NP_001263641.1; mouse, NP_038862.2, and chicken, NP_989884.1. (B) Porcine SFRP1 protein domains. The porcine SFRP1 precursor protein contains a Frizzled domain and a Netrin C-terminal domain.