2Q67 - Sequence, Chains, Asymmetric and Biological Units

• Title: CRYSTAL STRUCTURE OF NAK CHANNEL D66A MUTANT
• Keywords: INVERTED TEEPEE, HELIX BUNDLE, TETRAMER, CENTRAL CAVITY, ION METAL TRANSPORT, MEMBRANE PROTEIN
• Experiment: X-ray diffraction
• Number of Models: 1

Database	ID code	Status	Coordinate files
			Header	Asymmetric unit	Biological unit
PDB	2Q67	released	available	available	Quaternary Structure Server

Asymmetric unit from PDB

Unit	Type	Name	Chain ID	Residues	Atoms	Hetatoms
1	Protein	POTASSIUM CHANNEL PROTEIN	A	104	824	0
2	Protein	POTASSIUM CHANNEL PROTEIN	B	103	816	0
3	Ligand	POTASSIUM CHANNEL PROTEIN	A	3	0	3
4	Water			40	0	40
total				250	1640	43

Proteins

Unit 1

MET 1 LEU 2 SER 3 PHE 4 LEU 5 LEU 6 THR 7 LEU 8 LYS 9 ARG 10 MET 11 LEU 12 ARG 13 ALA 14 CYS 15 LEU 16 ARG 17 ALA 18 TRP 19 LYS 20 ASP 21 LYS 22 GLU 23 PHE 24 GLN 25 VAL 26 LEU 27 PHE 28 VAL 29 LEU 30 THR 31 ILE 32 LEU 33 THR 34 LEU 35 ILE 36 SER 37 GLY 38 THR 39 ILE 40 PHE 41 TYR 42 SER 43 THR 44 VAL 45 GLU 46 GLY 47 LEU 48 ARG 49 PRO 50 ILE 51 ASP 52 ALA 53 LEU 54 TYR 55 PHE 56 SER 57 VAL 58 VAL 59 THR 60 LEU 61 THR 62 THR 63 VAL 64 GLY 65 ALA 66 GLY 67 ASN 68 PHE 69 SER 70 PRO 71 GLN 72 THR 73 ASP 74 PHE 75 GLY 76 LYS 77 ILE 78 PHE 79 THR 80 ILE 81 LEU 82 TYR 83 ILE 84 PHE 85 ILE 86 GLY 87 ILE 88 GLY 89 LEU 90 VAL 91 PHE 92 GLY 93 PHE 94 ILE 95 HIS 96 LYS 97 LEU 98 ALA 99 VAL 100 ASN 101 VAL 102 GLN 103 LEU 104

Unit 2

MET 1 LEU 2 SER 3 PHE 4 LEU 5 LEU 6 THR 7 LEU 8 LYS 9 ARG 10 MET 11 LEU 12 ARG 13 ALA 14 CYS 15 LEU 16 ARG 17 ALA 18 TRP 19 LYS 20 ASP 21 LYS 22 GLU 23 PHE 24 GLN 25 VAL 26 LEU 27 PHE 28 VAL 29 LEU 30 THR 31 ILE 32 LEU 33 THR 34 LEU 35 ILE 36 SER 37 GLY 38 THR 39 ILE 40 PHE 41 TYR 42 SER 43 THR 44 VAL 45 GLU 46 GLY 47 LEU 48 ARG 49 PRO 50 ILE 51 ASP 52 ALA 53 LEU 54 TYR 55 PHE 56 SER 57 VAL 58 VAL 59 THR 60 LEU 61 THR 62 THR 63 VAL 64 GLY 65 ALA 66 GLY 67 ASN 68 PHE 69 SER 70 PRO 71 GLN 72 THR 73 ASP 74 PHE 75 GLY 76 LYS 77 ILE 78 PHE 79 THR 80 ILE 81 LEU 82 TYR 83 ILE 84 PHE 85 ILE 86 GLY 87 ILE 88 GLY 89 LEU 90 VAL 91 PHE 92 GLY 93 PHE 94 ILE 95 HIS 96 LYS 97 LEU 98 ALA 99 VAL 100 ASN 101 VAL 102 GLN 103

Ligands

Unit 3

NA 115 CA 116 CA 117