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Table 1 Protein sequence alignment of chicken NANOG, POUV, SOX2, and SOX3 with candidate vertebrate species

From: Acquisition of pluripotency in the chick embryo occurs during intrauterine embryonic development via a unique transcriptional network

Protein Species Accession no. Protein length Percent identities of proteinsa Percent identities of functional domainsa
cNANOG Gallus gallus NP_001139614 309 NA Homeodomain
Homo sapiens NP_079141 305 26.0% 64.8%
Mus musculus NP_082292 305 27.5% 66.7%
Danio rerio AEZ64150 384 20.1% 61.1%
cPOUV Gallus gallus NP_001296301 389 NA Homeodomain
Homo sapiens NP_002692 360 36.1% 66.7%
Mus musculus NP_038661 352 35.7% 66.7%
Danio rerio NP_571187 472 39.5% 64.8%
Xenopus laevis NP_001081342 445 37.1% 74.1%
cSOX2 Gallus gallus AAB09662 315 NA HMG domain
Homo sapiens NP_003097 317 93.4% 98.6%
Mus musculus NP_035573 319 92.2% 98.6%
Danio rerio NP_998283 315 90.2% 97.2%
Xenopus laevis NP_001081691 311 91.1% 100%
cSOX3 Gallus gallus NP_989526 316 NA HMG domain
Homo sapiens NP_005625 446 69.0% 97.2%
Mus musculus NP_033263 450 69.3% 97.2%
Danio rerio NP_001001811 300 79.0% 95.8%
Xenopus laevis NP_001007502 307 82.2% 98.6%
  1. aPercent identities of chicken proteins or domains with other vertebrate species