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9.A.75.1.4
The neonatal Fc receptor (FcRn), subunit p51 of 365 aas and one C-terminal TMS possibly with one N-terminal TMS as well. Early floral colonization affects intestinal immunoglobulin G uptake in piglets, which may be mediated by the NF-kappaB-FcRn pathway, with FcRn as the actual transmembrane carrier (Peng et al. 2023).  

Accession Number:P55899
Protein Name:IgG receptor FcRn large subunit p51
Length:365
Molecular Weight:39743.00
Species:Homo sapiens (Human) [9606]
Number of TMSs:1
Location1 / Topology2 / Orientation3: Cell membrane1 / Single-pass type I membrane protein2
Substrate protein

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Predict TMSs (Predict number of transmembrane segments)
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FASTA formatted sequence
1:	MGVPRPQPWA LGLLLFLLPG SLGAESHLSL LYHLTAVSSP APGTPAFWVS GWLGPQQYLS 
61:	YNSLRGEAEP CGAWVWENQV SWYWEKETTD LRIKEKLFLE AFKALGGKGP YTLQGLLGCE 
121:	LGPDNTSVPT AKFALNGEEF MNFDLKQGTW GGDWPEALAI SQRWQQQDKA ANKELTFLLF 
181:	SCPHRLREHL ERGRGNLEWK EPPSMRLKAR PSSPGFSVLT CSAFSFYPPE LQLRFLRNGL 
241:	AAGTGQGDFG PNSDGSFHAS SSLTVKSGDE HHYCCIVQHA GLAQPLRVEL ESPAKSSVLV 
301:	VGIVIGVLLL TAAAVGGALL WRRMRSGLPA PWISLRGDDT GVLLPTPGEA QDADLKDVNV 
361:	IPATA