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• Protein Classification

• Types (3 types)
• Classes (11 classes)
• Superfamilies (400 superfamilies)
• Families (681 families)
• Species (552 species)
• Localization (24 types)
• All proteins in OPM (2288 proteins)

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3pjs » Potassium channel KcsA, full length, open

• Type: 1. Transmembrane (3 classes)
• Class: 1.1. Alpha-helical polytopic (74 superfamilies)
• Superfamily: 1.1.12. Voltage-gated channel like (3 families) 1.A.1 (TCDB)
• Family: 1.1.12.01. Voltage-gated ion channels (40 proteins) 1.A.1 (TCDB)
• Species: Streptomyces lividans (11 proteins)
• Localization: Bacterial Gram-positive plasma membrane (93 proteins)

3pjs » Potassium channel KcsA, full length, open
Hydrophobic Thickness	31.6 ± 1.2 Å
Tilt Angle	1 ± 1°
ΔGtransfer	-87.3 kcal/mol
Links to 3pjs	PDB Sum, PDB, SCOP, MSD, OCA, MMDB
Topology	subunit K (N-terminus in)
Resolution	3.8 Å
Other PDB entries representing this structure	none
Number of TM Secondary Structures	8

4 transmembrane subunits
K - Tilt: 22° - Segments: 1( 26- 50), 2( 86- 107)
L - Tilt: 24° - Segments: 1( 28- 50), 2( 86- 107)
M - Tilt: 26° - Segments: 1( 26- 50), 2( 86- 110)
N - Tilt: 24° - Segments: 1( 26- 50), 2( 86- 107)

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