3RKQ - Sequence, Chains, Asymmetric and Biological Units

• Title: NKX2.5 HOMEODOMAIN DIMER BOUND TO ANF-242 DNA
• Keywords: HELIX-TURN-HELIX, DNA BINDING, NUCLEUS, TRANSCRIPTION-DNA CO
• Experiment: X-ray diffraction
• Number of Models: 1

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

Asymmetric unit from PDB

Unit	Type	Name	Chain ID	Residues	Atoms	Hetatoms
1	Protein	HOMEOBOX PROTEIN NKX-2.5	A	58	504	0
2	Protein	HOMEOBOX PROTEIN NKX-2.5	B	57	494	0
3	Other macromolecule	ANF-242 DNA	C	19	393	0
4	Other macromolecule	ANF-242 DNA	D	19	380	0
5	Ligand	HOMEOBOX PROTEIN NKX-2.5	B	1	0	1
6	Water			170	0	170
total				324	1771	171

Proteins

Unit 1

GLY 137 ARG 138 ARG 139 LYS 140 PRO 141 ARG 142 VAL 143 LEU 144 PHE 145 SER 146 GLN 147 ALA 148 GLN 149 VAL 150 TYR 151 GLU 152 LEU 153 GLU 154 ARG 155 ARG 156 PHE 157 LYS 158 GLN 159 GLN 160 ARG 161 TYR 162 LEU 163 SER 164 ALA 165 PRO 166 GLU 167 ARG 168 ASP 169 GLN 170 LEU 171 ALA 172 SER 173 VAL 174 LEU 175 LYS 176 LEU 177 THR 178 SER 179 THR 180 GLN 181 VAL 182 LYS 183 ILE 184 TRP 185 PHE 186 GLN 187 ASN 188 ARG 189 ARG 190 TYR 191 LYS 192 SER 193 LYS 194

Unit 2

GLY 137 ARG 138 ARG 139 LYS 140 PRO 141 ARG 142 VAL 143 LEU 144 PHE 145 SER 146 GLN 147 ALA 148 GLN 149 VAL 150 TYR 151 GLU 152 LEU 153 GLU 154 ARG 155 ARG 156 PHE 157 LYS 158 GLN 159 GLN 160 ARG 161 TYR 162 LEU 163 SER 164 ALA 165 PRO 166 GLU 167 ARG 168 ASP 169 GLN 170 LEU 171 ALA 172 SER 173 VAL 174 LEU 175 LYS 176 LEU 177 THR 178 SER 179 THR 180 GLN 181 VAL 182 LYS 183 ILE 184 TRP 185 PHE 186 GLN 187 ASN 188 ARG 189 ARG 190 TYR 191 LYS 192 SER 193

Other macromolecules

Unit 3	DT 1 DG 2 DA 3 DA 4 DG 5 DT 6 DG 7 DG 8 DG 9 DG 10 DG 11 DC 12 DC 13 DT 14 DC 15 DT 16 DT 17 DG 18 DA 19
Unit 4	DT 1 DC 2 DA 3 DA 4 DG 5 DA 6 DG 7 DG 8 DC 9 DC 10 DC 11 DC 12 DC 13 DA 14 DC 15 DT 16 DT 17 DC 18 DA 19

Ligands

Unit 5

MG 1