1K68 - Sequence, Chains, Asymmetric and Biological Units

• Title: CRYSTAL STRUCTURE OF THE PHOSPHORYLATED CYANOBACTERIAL PHYTOCHROME RESPONSE REGULATOR RCPA
• Keywords: PHOSPHORYLATED ASPARTATE, RESPONSE REGULATOR, CHEY HOMOLOGUE, HOMODIMER, (BETA/ALPHA)5, SIGNALING PROTEIN
• Experiment: X-ray diffraction
• Number of Models: 1

Database	ID code	Status	Coordinate files
			Header	Asymmetric unit	Biological unit
PDB	1K68	released	available	available	Quaternary Structure Server

Asymmetric unit from PDB

Unit	Type	Name	Chain ID	Residues	Atoms	Hetatoms
1	Protein	PHYTOCHROME RESPONSE REGULATOR RCPA	A	140	1082	12
2	Protein	PHYTOCHROME RESPONSE REGULATOR RCPA	B	140	1072	12
3	Ligand	PHYTOCHROME RESPONSE REGULATOR RCPA	A	1	0	1
4	Ligand	PHYTOCHROME RESPONSE REGULATOR RCPA	B	1	0	1
5	Water			113	0	113
total				395	2154	139

Proteins

Unit 1

ALA 9 HIS 10 LYS 11 LYS 12 ILE 13 PHE 14 LEU 15 VAL 16 GLU 17 ASP 18 ASN 19 LYS 20 ALA 21 ASP 22 ILE 23 ARG 24 LEU 25 ILE 26 GLN 27 GLU 28 ALA 29 LEU 30 ALA 31 ASN 32 SER 33 THR 34 VAL 35 PRO 36 HIS 37 GLU 38 VAL 39 VAL 40 THR 41 VAL 42 ARG 43 ASP 44 GLY 45 MET 46 GLU 47 ALA 48 MET 49 ALA 50 TYR 51 LEU 52 ARG 53 GLN 54 GLU 55 GLY 56 GLU 57 TYR 58 ALA 59 ASN 60 ALA 61 SER 62 ARG 63 PRO 64 ASP 65 LEU 66 ILE 67 LEU 68 LEU 69 PHD 70 LEU 71 ASN 72 LEU 73 PRO 74 LYS 75 LYS 76 ASP 77 GLY 78 ARG 79 GLU 80 VAL 81 LEU 82 ALA 83 GLU 84 ILE 85 LYS 86 SER 87 ASP 88 PRO 89 THR 90 LEU 91 LYS 92 ARG 93 ILE 94 PRO 95 VAL 96 VAL 97 VAL 98 LEU 99 SER 100 THR 101 SER 102 ILE 103 ASN 104 GLU 105 ASP 106 ASP 107 ILE 108 PHE 109 HIS 110 SER 111 TYR 112 ASP 113 LEU 114 HIS 115 VAL 116 ASN 117 CYS 118 TYR 119 ILE 120 THR 121 LYS 122 SER 123 ALA 124 ASN 125 LEU 126 SER 127 GLN 128 LEU 129 PHE 130 GLN 131 ILE 132 VAL 133 LYS 134 GLY 135 ILE 136 GLU 137 GLU 138 PHE 139 TRP 140 LEU 141 SER 142 THR 143 ALA 144 THR 145 LEU 146 PRO 147 SER 148

Unit 2

ALA 9 HIS 10 LYS 11 LYS 12 ILE 13 PHE 14 LEU 15 VAL 16 GLU 17 ASP 18 ASN 19 LYS 20 ALA 21 ASP 22 ILE 23 ARG 24 LEU 25 ILE 26 GLN 27 GLU 28 ALA 29 LEU 30 ALA 31 ASN 32 SER 33 THR 34 VAL 35 PRO 36 HIS 37 GLU 38 VAL 39 VAL 40 THR 41 VAL 42 ARG 43 ASP 44 GLY 45 MET 46 GLU 47 ALA 48 MET 49 ALA 50 TYR 51 LEU 52 ARG 53 GLN 54 GLU 55 GLY 56 GLU 57 TYR 58 ALA 59 ASN 60 ALA 61 SER 62 ARG 63 PRO 64 ASP 65 LEU 66 ILE 67 LEU 68 LEU 69 PHD 70 LEU 71 ASN 72 LEU 73 PRO 74 LYS 75 LYS 76 ASP 77 GLY 78 ARG 79 GLU 80 VAL 81 LEU 82 ALA 83 GLU 84 ILE 85 LYS 86 SER 87 ASP 88 PRO 89 THR 90 LEU 91 LYS 92 ARG 93 ILE 94 PRO 95 VAL 96 VAL 97 VAL 98 LEU 99 SER 100 THR 101 SER 102 ILE 103 ASN 104 GLU 105 ASP 106 ASP 107 ILE 108 PHE 109 HIS 110 SER 111 TYR 112 ASP 113 LEU 114 HIS 115 VAL 116 ASN 117 CYS 118 TYR 119 ILE 120 THR 121 LYS 122 SER 123 ALA 124 ASN 125 LEU 126 SER 127 GLN 128 LEU 129 PHE 130 GLN 131 ILE 132 VAL 133 LYS 134 GLY 135 ILE 136 GLU 137 GLU 138 PHE 139 TRP 140 LEU 141 SER 142 THR 143 ALA 144 THR 145 LEU 146 PRO 147 SER 148

Ligands

Unit 3	MG 501
Unit 4	MG 502