1EQ8 - Sequence, Chains, Asymmetric and Biological Units

• Title: THREE-DIMENSIONAL STRUCTURE OF THE PENTAMERIC HELICAL BUNDLE OF THE ACETYLCHOLINE RECEPTOR M2 TRANSMEMBRANE SEGMENT
• Keywords: NEUROTRANSMITTER RECEPTOR, M2, LIPID BILAYERS, ION-CHANNEL, HELICAL BUNDLE, PENTAMERIC BUNDLE, SIGNALING PROTEIN
• Experiment: NMR
• Number of Models: 1

Database	ID code	Status	Coordinate files
			Header	Asymmetric unit	Biological unit
PDB	1EQ8	released	available	available	Quaternary Structure Server

Asymmetric unit from PDB

Unit	Type	Name	Chain ID	Residues	Atoms	Hetatoms
1	Protein	ACETYLCHOLINE RECEPTOR PROTEIN	A	23	369	0
2	Protein	ACETYLCHOLINE RECEPTOR PROTEIN	B	23	369	0
3	Protein	ACETYLCHOLINE RECEPTOR PROTEIN	C	23	369	0
4	Protein	ACETYLCHOLINE RECEPTOR PROTEIN	D	23	369	0
5	Protein	ACETYLCHOLINE RECEPTOR PROTEIN	E	23	368	0
6	Ligand	ACETYLCHOLINE RECEPTOR PROTEIN	E	1	0	2
total				116	1844	2

Proteins

Unit 1	GLU 1 LYS 2 MET 3 SER 4 THR 5 ALA 6 ILE 7 SER 8 VAL 9 LEU 10 LEU 11 ALA 12 GLN 13 ALA 14 VAL 15 PHE 16 LEU 17 LEU 18 LEU 19 THR 20 SER 21 GLN 22 ARG 23
Unit 2	GLU 1 LYS 2 MET 3 SER 4 THR 5 ALA 6 ILE 7 SER 8 VAL 9 LEU 10 LEU 11 ALA 12 GLN 13 ALA 14 VAL 15 PHE 16 LEU 17 LEU 18 LEU 19 THR 20 SER 21 GLN 22 ARG 23
Unit 3	GLU 1 LYS 2 MET 3 SER 4 THR 5 ALA 6 ILE 7 SER 8 VAL 9 LEU 10 LEU 11 ALA 12 GLN 13 ALA 14 VAL 15 PHE 16 LEU 17 LEU 18 LEU 19 THR 20 SER 21 GLN 22 ARG 23
Unit 4	GLU 1 LYS 2 MET 3 SER 4 THR 5 ALA 6 ILE 7 SER 8 VAL 9 LEU 10 LEU 11 ALA 12 GLN 13 ALA 14 VAL 15 PHE 16 LEU 17 LEU 18 LEU 19 THR 20 SER 21 GLN 22 ARG 23
Unit 5	GLU 1 LYS 2 MET 3 SER 4 THR 5 ALA 6 ILE 7 SER 8 VAL 9 LEU 10 LEU 11 ALA 12 GLN 13 ALA 14 VAL 15 PHE 16 LEU 17 LEU 18 LEU 19 THR 20 SER 21 GLN 22 ARG 23

Ligands

Unit 6

OH 24