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• Protein Classification

• Types (3 types)
• Classes (11 classes)
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• Species (538 species)
• Localization (24 types)
• All proteins in OPM (2172 proteins)

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2qi9 » ABC transporter BtuCD, complex with BtuF, structure 1

• Type: 1. Transmembrane (3 classes)
• Class: 1.1. Alpha-helical polytopic (72 superfamilies)
• Superfamily: 1.1.10. ABC transporters (5 families) 3.A.1 (TCDB)
• Family: 1.1.10.01. FecCD transport family (6 proteins) 3.A.1.14 (TCDB)
• Species: Escherichia coli (178 proteins)
• Localization: Bacterial Gram-negative inner membrane (269 proteins)

2qi9 » ABC transporter BtuCD, complex with BtuF, structure 1
Hydrophobic Thickness	29.4 ± 0.9 Å
Tilt Angle	4 ± 4°
ΔGtransfer	-123.5 kcal/mol
Links to 2qi9	PDB Sum, PDB, SCOP, MSD, OCA, MMDB
Topology	subunit A (N-terminus in)
Resolution	2.60 Å
Other PDB entries of this protein	none
Number of TM Secondary Structures	22

2 transmembrane subunits
A - Tilt: 9° - Segments: 1(15-32), 2(56-78), 3(92-108), 4(114-135), 5(146-166), 6(190-205), 7(235-249), 8(255-264), 9(275-296), 10(305-323)
B - Tilt: 3° - Segments: 1(15-32), 2(56-78), 3(92-107), 4(114-135), 5(145-164), 6(190-207), 7(233-249), 8(255-261), 9(276-296), 10(305-321)

Comments on 2qi9 » ABC transporter BtuCD, complex with BtuF, structure 1
The dimer is significantly asymmetric, unlike 1l7v.

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