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3.A.1.27.4
The cholesterol uptake porter (Mohn et al., 2008). Takes up cholesterol, 5-α-cholestanol, 5-α-cholestanone, β-sitosterol, etc. (It is not established that all of these proteins comprise the system or that other gene products are not involved.)

Accession Number:Q0S7K2
Protein Name:MCE family protein
Length:391
Molecular Weight:41275.00
Species:rhodococcus sp. (strain rha1) [101510]
Number of TMSs:1
Location1 / Topology2 / Orientation3: Cell inner membrane1 / Peripheral membrane protein2 / Cytoplasmic side3
Substrate cholesterol

Cross database links:

RefSeq: YP_704642.1   
Entrez Gene ID: 4222249   
Pfam: PF02470   
BioCyc: RSP101510:RHA1_RO04698-MONOMER   
KEGG: rha:RHA1_ro0469   

References (1)

[1] “The complete genome of Rhodococcus sp. RHA1 provides insights into a catabolic powerhouse.”  McLeod M.P.et.al.   17030794

External Searches:

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Predict TMSs (Predict number of transmembrane segments)
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FASTA formatted sequence
1:	MTDSGGKKKL AALVLVVSLL AIIGVSLAMF NGTFSETTPV TVTSDRSGLV MEPDAKVKLL 
61:	GVEVGRVGSI EHVTDGAELK LAMYPDMMSL IPSNATVEIK STTVFGAKYV NFVMPDNPSS 
121:	TPLQAGDVIA SDNVTVEFNT VFQHLSDVLA QVQPEKLNAT LGAISSALRG RGEELGALLE 
181:	QSDSYLAKMN PSLPQLQEDF AKAAQVTDVY ADTAPDLLRV LDNATATSGT VVDEQDNLDA 
241:	VLLNVTGLAD TANTVLTENE QNLNSSLDLL LPTTDLLAEY SPEISCFIVG LNNVIPLAEQ 
301:	LIGGNQPGIA LSASFMYGQE PYTYPKDLPK VNATGGPNCH GLPNPDLSKH ANFVVADTGT 
361:	VPFVPSTEVQ VHLPKVFQLL FAGVYPGQGG Q