3R3K - Sequence, Chains, Asymmetric and Biological Units

• Title: CRYSTAL STRUCTURE OF A PARALLEL 6-HELIX COILED COIL
• Keywords: PARALLEL HEXAMER, KIH INTERACTIONS, HYDROPHOBIC CHANNEL, SYN BIOLOGY, DE NOVO PROTEIN
• Experiment: X-ray diffraction
• Number of Models: 1

Database	ID code	Status	Coordinate files
			Header	Asymmetric unit	Biological unit
PDB	3R3K	released	available	available	Quaternary Structure Server

Asymmetric unit from PDB

Unit	Type	Name	Chain ID	Residues	Atoms	Hetatoms
1	Protein	CCHEX-PHI22 HELIX	A	31	211	15
2	Protein	CCHEX-PHI22 HELIX	B	31	211	15
3	Protein	CCHEX-PHI22 HELIX	C	31	211	15
4	Ligand	CCHEX-PHI22 HELIX	A	1	0	1
5	Ligand	CCHEX-PHI22 HELIX	B	2	0	5
6	Ligand	CCHEX-PHI22 HELIX	C	5	0	8
7	Water			71	0	71
total				172	633	130

Proteins

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

Ligands

Unit 4	CL 34
Unit 5	NA 34 EDO 35
Unit 6	NA 34 NA 35 EDO 36 CL 37 NA 38