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• Protein Classification

• Types (3 types)
• Classes (11 classes)
• Superfamilies (392 superfamilies)
• Families (667 families)
• Species (538 species)
• Localization (24 types)
• All proteins in OPM (2172 proteins)

• Protein Links

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2guf » Outer membrane cobalamin transporter BtuB, meso form

• Type: 1. Transmembrane (3 classes)
• Class: 1.3. Beta-barrel transmembrane (26 superfamilies)
• Superfamily: 1.3.20. Ligand-gated protein channels (n=22,S=24) (1 family) 1.B.14 (TCDB)
• Family: 1.3.20.01. Outer Membrane Receptor (OMR) (24 proteins) 1.B.14 (TCDB)
• Species: Escherichia coli (178 proteins)
• Localization: Bacterial Gram-negative outer membrane (136 proteins)

2guf » Outer membrane cobalamin transporter BtuB, meso form
Hydrophobic Thickness	23.4 ± 0.9 Å
Tilt Angle	6 ± 7°
ΔGtransfer	-69.3 kcal/mol
Links to 2guf	PDB Sum, PDB, SCOP, MSD, OCA, MMDB
Topology	subunit A (N-terminus in)
Resolution	1.95 Å
Other PDB entries of this protein	none
Number of TM Secondary Structures	22

1 transmembrane subunit
A - Tilt: 1° - Segments: 1(136-145), 2(149-158), 3(164-173), 4(200-208), 5(214-222), 6(249-257), 7(261-269), 8(297-304), 9(309-317), 10(339-348), 11(351-359), 12(370-378), 13(383-390), 14(417-426), 15(429-436), 16(463-472), 17(475-482), 18(502-510), 19(514-521), 20(547-554), 21(559-566), 22(586-593)

Copyright © 2005-2013 Andrei Lomize, Mikhail Lomize and Irina Pogozheva
University of Michigan, Ann Arbor, MI 48109 USA