CATH Domain 1ujwA02

Level	CATH Code	Description
	2	Mainly Beta
	2.40	Beta Barrel
	2.40.170	Maltoporin; Chain A
	2.40.170.20	TonB-dependent receptor, beta-barrel domain

Superfamily	TonB-dependent receptor, beta-barrel domain
Functional Family	Vitamin B12 transporter BtuB

P06129	BTUB_ECOLI Escherichia coli K-12 Vitamin B12 transporter BtuB
P00646	CEA3_ECOLX Escherichia coli Colicin-E3

PDB	1UJW
External Links	PDBSum Proteopedia
Method	X-RAY DIFFRACTION
Organism	Escherichia
Primary Citation	The structure of BtuB with bound colicin E3 R-domain implies a translocon Kurisu, G., Zakharov, S.D., Zhalnina, M.V., Bano, S., Eroukova, V.Y., Rokitskaya, T.I., Antonenko, Y.N., Wiener, M.C., Cramer, W.A. NAT.STRUCT.BIOL.