1COS - Sequence, Chains, Asymmetric and Biological Units

• Title: CRYSTAL STRUCTURE OF A SYNTHETIC TRIPLE-STRANDED ALPHA-HELIC
• Keywords: ALPHA-HELICAL BUNDLE
• Experiment: X-ray diffraction
• Number of Models: 1

Database	ID code	Status	Coordinate files
			Header	Asymmetric unit	Biological unit
PDB	1COS	released	available	available	Quaternary Structure Server

Asymmetric unit from PDB

Unit	Type	Name	Chain ID	Residues	Atoms	Hetatoms
1	Protein	COILED SERINE	A	31	232	4
2	Protein	COILED SERINE	B	31	232	4
3	Protein	COILED SERINE	C	31	232	4
4	Water			33	0	33
total				126	696	45

Proteins

Unit 1	ACE 0 GLU 1 TRP 2 GLU 3 ALA 4 LEU 5 GLU 6 LYS 7 LYS 8 LEU 9 ALA 10 ALA 11 LEU 12 GLU 13 SER 14 LYS 15 LEU 16 GLN 17 ALA 18 LEU 19 GLU 20 LYS 21 LYS 22 LEU 23 GLU 24 ALA 25 LEU 26 GLU 27 HIS 28 GLY 29 NH2 30
Unit 2	ACE 0 GLU 1 TRP 2 GLU 3 ALA 4 LEU 5 GLU 6 LYS 7 LYS 8 LEU 9 ALA 10 ALA 11 LEU 12 GLU 13 SER 14 LYS 15 LEU 16 GLN 17 ALA 18 LEU 19 GLU 20 LYS 21 LYS 22 LEU 23 GLU 24 ALA 25 LEU 26 GLU 27 HIS 28 GLY 29 NH2 30
Unit 3	ACE 0 GLU 1 TRP 2 GLU 3 ALA 4 LEU 5 GLU 6 LYS 7 LYS 8 LEU 9 ALA 10 ALA 11 LEU 12 GLU 13 SER 14 LYS 15 LEU 16 GLN 17 ALA 18 LEU 19 GLU 20 LYS 21 LYS 22 LEU 23 GLU 24 ALA 25 LEU 26 GLU 27 HIS 28 GLY 29 NH2 30