1MA3 - Sequence, Chains, Asymmetric and Biological Units

• Title: STRUCTURE OF A SIR2 ENZYME BOUND TO AN ACETYLATED P53 PEPTIDE
• Keywords: ENZYME-SUBSTRATE COMPLEX, PROTEIN BINDING, TRANSCRIPTION
• Experiment: X-ray diffraction
• Number of Models: 1

Database	ID code	Status	Coordinate files
			Header	Asymmetric unit	Biological unit
PDB	1MA3	released	available	available	Quaternary Structure Server

Asymmetric unit from PDB

Unit	Type	Name	Chain ID	Residues	Atoms	Hetatoms
1	Protein	TRANSCRIPTIONAL REGULATORY PROTEIN, SIR2 FAMILY	A	242	1902	0
2	Protein	CELLULAR TUMOR ANTIGEN P53	B	9	67	12
3	Ligand	TRANSCRIPTIONAL REGULATORY PROTEIN, SIR2 FAMILY	A	1	0	1
4	Ligand	CELLULAR TUMOR ANTIGEN P53	B	1	0	12
5	Water			129	0	129
total				382	1969	154

Proteins

Unit 1

MET 1 GLU 2 ASP 3 GLU 4 ILE 5 ARG 6 LYS 7 ALA 8 ALA 9 GLU 10 ILE 11 LEU 12 ALA 13 LYS 14 SER 15 LYS 16 HIS 17 ALA 18 VAL 19 VAL 20 PHE 21 THR 22 GLY 23 ALA 24 GLY 25 ILE 26 SER 27 ALA 28 GLU 29 GLY 40 LEU 41 TRP 42 ARG 43 LYS 44 TYR 45 ASP 46 PRO 47 GLU 48 GLU 49 VAL 50 ALA 51 SER 52 ILE 53 SER 54 GLY 55 PHE 56 LYS 57 ARG 58 ASN 59 PRO 60 ARG 61 ALA 62 PHE 63 TRP 64 GLU 65 PHE 66 SER 67 MET 68 GLU 69 MET 70 LYS 71 ASP 72 LYS 73 LEU 74 PHE 75 ALA 76 GLU 77 PRO 78 ASN 79 PRO 80 ALA 81 HIS 82 TYR 83 ALA 84 ILE 85 ALA 86 GLU 87 LEU 88 GLU 89 ARG 90 MET 91 GLY 92 ILE 93 VAL 94 LYS 95 ALA 96 VAL 97 ILE 98 THR 99 GLN 100 ASN 101 ILE 102 ASP 103 MET 104 LEU 105 HIS 106 GLN 107 ARG 108 ALA 109 GLY 110 SER 111 ARG 112 ARG 113 VAL 114 LEU 115 GLU 116 LEU 117 HIS 118 GLY 119 SER 120 MET 121 ASP 122 LYS 123 LEU 124 ASP 125 CYS 126 LEU 127 ASP 128 CYS 129 HIS 130 GLU 131 THR 132 TYR 133 ASP 134 TRP 135 SER 136 GLU 137 PHE 138 VAL 139 GLU 140 ASP 141 PHE 142 ASN 143 LYS 144 GLY 145 GLU 146 ILE 147 PRO 148 ARG 149 CYS 150 ARG 151 LYS 152 CYS 153 GLY 154 SER 155 TYR 156 TYR 157 VAL 158 LYS 159 PRO 160 ARG 161 VAL 162 VAL 163 LEU 164 PHE 165 GLY 166 GLU 167 PRO 168 LEU 169 PRO 170 GLN 171 ARG 172 THR 173 LEU 174 PHE 175 GLU 176 ALA 177 ILE 178 GLU 179 GLU 180 ALA 181 LYS 182 HIS 183 CYS 184 ASP 185 ALA 186 PHE 187 MET 188 VAL 189 VAL 190 GLY 191 SER 192 SER 193 LEU 194 VAL 195 VAL 196 TYR 197 PRO 198 ALA 199 ALA 200 GLU 201 LEU 202 PRO 203 TYR 204 ILE 205 ALA 206 LYS 207 LYS 208 ALA 209 GLY 210 ALA 211 LYS 212 MET 213 ILE 214 ILE 215 VAL 216 ASN 217 ALA 218 GLU 219 PRO 220 THR 221 MET 222 ALA 223 ASP 224 PRO 225 ILE 226 PHE 227 ASP 228 VAL 229 LYS 230 ILE 231 ILE 232 GLY 233 LYS 234 ALA 235 GLY 236 GLU 237 VAL 238 LEU 239 PRO 240 LYS 241 ILE 242 VAL 243 GLU 244 GLU 245 VAL 246 LYS 247 ARG 248 LEU 249 ARG 250 SER 251 GLU 252

Unit 2

ARG 8 HIS 9 LYS 10 ALY 11 LEU 12 MET 13 PHE 14 LYS 15 THR 16

Ligands

Unit 3	ZN 1001
Unit 4	MES 1002