3IFX - Sequence, Chains, Asymmetric and Biological Units

• Title: CRYSTAL STRUCTURE OF THE SPIN-LABELED KCSA MUTANT V48R1
• Keywords: POTASSIUM CHANNEL, SPIN-LABELED PROTEIN, MEMBRANE PROTEIN, C MEMBRANE, ION TRANSPORT, IONIC CHANNEL, MEMBRANE, TRANSMEMB TRANSPORT, VOLTAGE-GATED CHANNEL
• Experiment: X-ray diffraction
• Number of Models: 1

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

Asymmetric unit from PDB

Unit	Type	Name	Chain ID	Residues	Atoms	Hetatoms
1	Protein	VOLTAGE-GATED POTASSIUM CHANNEL	A	97	698	0
2	Protein	VOLTAGE-GATED POTASSIUM CHANNEL	B	97	657	0
3	Protein	VOLTAGE-GATED POTASSIUM CHANNEL	C	97	699	0
4	Protein	VOLTAGE-GATED POTASSIUM CHANNEL	D	97	689	0
5	Ligand	VOLTAGE-GATED POTASSIUM CHANNEL	A	1	0	1
6	Ligand	VOLTAGE-GATED POTASSIUM CHANNEL	B	1	0	1
7	Ligand	VOLTAGE-GATED POTASSIUM CHANNEL	A	1	0	3
8	Ligand	VOLTAGE-GATED POTASSIUM CHANNEL	B	2	0	29
9	Ligand	VOLTAGE-GATED POTASSIUM CHANNEL	C	1	0	3
10	Ligand	VOLTAGE-GATED POTASSIUM CHANNEL	D	1	0	12
11	Water			3	0	3
total				398	2743	52

Proteins

Unit 1	ALA 23 LEU 24 HIS 25 TRP 26 ARG 27 ALA 28 ALA 29 GLY 30 ALA 31 ALA 32 THR 33 VAL 34 LEU 35 LEU 36 VAL 37 ILE 38 VAL 39 LEU 40 LEU 41 ALA 42 GLY 43 SER 44 TYR 45 LEU 46 ALA 47 CYS 48 LEU 49 ALA 50 GLU 51 ARG 52 GLY 53 ALA 54 PRO 55 GLY 56 ALA 57 GLN 58 LEU 59 ILE 60 THR 61 TYR 62 PRO 63 ARG 64 ALA 65 LEU 66 TRP 67 TRP 68 SER 69 VAL 70 GLU 71 THR 72 ALA 73 THR 74 THR 75 VAL 76 GLY 77 TYR 78 GLY 79 ASP 80 LEU 81 TYR 82 PRO 83 VAL 84 THR 85 LEU 86 TRP 87 GLY 88 ARG 89 LEU 90 VAL 91 ALA 92 VAL 93 VAL 94 VAL 95 MET 96 VAL 97 ALA 98 GLY 99 ILE 100 THR 101 SER 102 PHE 103 GLY 104 LEU 105 VAL 106 THR 107 ALA 108 ALA 109 LEU 110 ALA 111 THR 112 TRP 113 PHE 114 VAL 115 GLY 116 ARG 117 GLU 118 GLN 119
Unit 2	ALA 23 LEU 24 HIS 25 TRP 26 ARG 27 ALA 28 ALA 29 GLY 30 ALA 31 ALA 32 THR 33 VAL 34 LEU 35 LEU 36 VAL 37 ILE 38 VAL 39 LEU 40 LEU 41 ALA 42 GLY 43 SER 44 TYR 45 LEU 46 ALA 47 CYS 48 LEU 49 ALA 50 GLU 51 ARG 52 GLY 53 ALA 54 PRO 55 GLY 56 ALA 57 GLN 58 LEU 59 ILE 60 THR 61 TYR 62 PRO 63 ARG 64 ALA 65 LEU 66 TRP 67 TRP 68 SER 69 VAL 70 GLU 71 THR 72 ALA 73 THR 74 THR 75 VAL 76 GLY 77 TYR 78 GLY 79 ASP 80 LEU 81 TYR 82 PRO 83 VAL 84 THR 85 LEU 86 TRP 87 GLY 88 ARG 89 LEU 90 VAL 91 ALA 92 VAL 93 VAL 94 VAL 95 MET 96 VAL 97 ALA 98 GLY 99 ILE 100 THR 101 SER 102 PHE 103 GLY 104 LEU 105 VAL 106 THR 107 ALA 108 ALA 109 LEU 110 ALA 111 THR 112 TRP 113 PHE 114 VAL 115 GLY 116 ARG 117 GLU 118 GLN 119
Unit 3	ALA 23 LEU 24 HIS 25 TRP 26 ARG 27 ALA 28 ALA 29 GLY 30 ALA 31 ALA 32 THR 33 VAL 34 LEU 35 LEU 36 VAL 37 ILE 38 VAL 39 LEU 40 LEU 41 ALA 42 GLY 43 SER 44 TYR 45 LEU 46 ALA 47 CYS 48 LEU 49 ALA 50 GLU 51 ARG 52 GLY 53 ALA 54 PRO 55 GLY 56 ALA 57 GLN 58 LEU 59 ILE 60 THR 61 TYR 62 PRO 63 ARG 64 ALA 65 LEU 66 TRP 67 TRP 68 SER 69 VAL 70 GLU 71 THR 72 ALA 73 THR 74 THR 75 VAL 76 GLY 77 TYR 78 GLY 79 ASP 80 LEU 81 TYR 82 PRO 83 VAL 84 THR 85 LEU 86 TRP 87 GLY 88 ARG 89 LEU 90 VAL 91 ALA 92 VAL 93 VAL 94 VAL 95 MET 96 VAL 97 ALA 98 GLY 99 ILE 100 THR 101 SER 102 PHE 103 GLY 104 LEU 105 VAL 106 THR 107 ALA 108 ALA 109 LEU 110 ALA 111 THR 112 TRP 113 PHE 114 VAL 115 GLY 116 ARG 117 GLU 118 GLN 119
Unit 4	ALA 23 LEU 24 HIS 25 TRP 26 ARG 27 ALA 28 ALA 29 GLY 30 ALA 31 ALA 32 THR 33 VAL 34 LEU 35 LEU 36 VAL 37 ILE 38 VAL 39 LEU 40 LEU 41 ALA 42 GLY 43 SER 44 TYR 45 LEU 46 ALA 47 CYS 48 LEU 49 ALA 50 GLU 51 ARG 52 GLY 53 ALA 54 PRO 55 GLY 56 ALA 57 GLN 58 LEU 59 ILE 60 THR 61 TYR 62 PRO 63 ARG 64 ALA 65 LEU 66 TRP 67 TRP 68 SER 69 VAL 70 GLU 71 THR 72 ALA 73 THR 74 THR 75 VAL 76 GLY 77 TYR 78 GLY 79 ASP 80 LEU 81 TYR 82 PRO 83 VAL 84 THR 85 LEU 86 TRP 87 GLY 88 ARG 89 LEU 90 VAL 91 ALA 92 VAL 93 VAL 94 VAL 95 MET 96 VAL 97 ALA 98 GLY 99 ILE 100 THR 101 SER 102 PHE 103 GLY 104 LEU 105 VAL 106 THR 107 ALA 108 ALA 109 LEU 110 ALA 111 THR 112 TRP 113 PHE 114 VAL 115 GLY 116 ARG 117 GLU 118 GLN 119

Ligands

Unit 5	K 202
Unit 6	K 201
Unit 7	MTN 248
Unit 8	TBA 203 MTN 248
Unit 9	MTN 248
Unit 10	MTN 248