1Y55 - Sequence, Chains, Asymmetric and Biological Units

• Title: CRYSTAL STRUCTURE OF THE C122S MUTANT OF E. COLI EXPRESSED A RELATED PROTEIN 4 (AVR4)-BIOTIN COMPLEX
• Keywords: AVIDIN, STREPTAVIDIN, BIOTIN, AVIDIN RELATED MOLECULE, HIGH THERMOSTABILITY, SUGAR BINDING PROTEIN
• Experiment: X-ray diffraction
• Number of Models: 1

Database	ID code	Status	Coordinate files
			Header	Asymmetric unit	Biological unit
PDB	1Y55	released	available	available	Quaternary Structure Server

Asymmetric unit from PDB

Unit	Type	Name	Chain ID	Residues	Atoms	Hetatoms
1	Protein	AVIDIN-RELATED PROTEIN 4/5	X	120	946	0
2	Protein	AVIDIN-RELATED PROTEIN 4/5	Y	120	948	0
3	Ligand	AVIDIN-RELATED PROTEIN 4/5	X	3	0	22
4	Ligand	AVIDIN-RELATED PROTEIN 4/5	Y	3	0	22
5	Water			240	0	240
total				486	1894	284

Proteins

Unit 1

LYS 3 CYS 4 SER 5 LEU 6 THR 7 GLY 8 LYS 9 TRP 10 THR 11 ASN 12 ASN 13 LEU 14 GLY 15 SER 16 ILE 17 MET 18 THR 19 ILE 20 ARG 21 ALA 22 VAL 23 ASN 24 SER 25 ARG 26 GLY 27 GLU 28 PHE 29 THR 30 GLY 31 THR 32 TYR 33 LEU 34 THR 35 ALA 36 VAL 37 ALA 38 ASP 39 ASN 40 PRO 41 GLY 42 ASN 43 ILE 44 THR 45 LEU 46 SER 47 PRO 48 LEU 49 LEU 50 GLY 51 ILE 52 GLN 53 HIS 54 LYS 55 ARG 56 ALA 57 SER 58 GLN 59 PRO 60 THR 61 PHE 62 GLY 63 PHE 64 THR 65 VAL 66 HIS 67 TRP 68 ASN 69 PHE 70 SER 71 GLU 72 SER 73 THR 74 THR 75 VAL 76 PHE 77 THR 78 GLY 79 GLN 80 CYS 81 PHE 82 ILE 83 ASP 84 ARG 85 ASN 86 GLY 87 LYS 88 GLU 89 VAL 90 LEU 91 LYS 92 THR 93 MET 94 TRP 95 LEU 96 LEU 97 ARG 98 SER 99 SER 100 VAL 101 ASN 102 ASP 103 ILE 104 SER 105 TYR 106 ASP 107 TRP 108 LYS 109 ALA 110 THR 111 ARG 112 VAL 113 GLY 114 TYR 115 ASN 116 ASN 117 PHE 118 THR 119 ARG 120 LEU 121 SER 122

Unit 2

LYS 203 CYS 204 SER 205 LEU 206 THR 207 GLY 208 LYS 209 TRP 210 THR 211 ASN 212 ASN 213 LEU 214 GLY 215 SER 216 ILE 217 MET 218 THR 219 ILE 220 ARG 221 ALA 222 VAL 223 ASN 224 SER 225 ARG 226 GLY 227 GLU 228 PHE 229 THR 230 GLY 231 THR 232 TYR 233 LEU 234 THR 235 ALA 236 VAL 237 ALA 238 ASP 239 ASN 240 PRO 241 GLY 242 ASN 243 ILE 244 THR 245 LEU 246 SER 247 PRO 248 LEU 249 LEU 250 GLY 251 ILE 252 GLN 253 HIS 254 LYS 255 ARG 256 ALA 257 SER 258 GLN 259 PRO 260 THR 261 PHE 262 GLY 263 PHE 264 THR 265 VAL 266 HIS 267 TRP 268 ASN 269 PHE 270 SER 271 GLU 272 SER 273 THR 274 THR 275 VAL 276 PHE 277 THR 278 GLY 279 GLN 280 CYS 281 PHE 282 ILE 283 ASP 284 ARG 285 ASN 286 GLY 287 LYS 288 GLU 289 VAL 290 LEU 291 LYS 292 THR 293 MET 294 TRP 295 LEU 296 LEU 297 ARG 298 SER 299 SER 300 VAL 301 ASN 302 ASP 303 ILE 304 SER 305 TYR 306 ASP 307 TRP 308 LYS 309 ALA 310 THR 311 ARG 312 VAL 313 GLY 314 TYR 315 ASN 316 ASN 317 PHE 318 THR 319 ARG 320 LEU 321 SER 322

Ligands

Unit 3	BTN 801 FMT 901 FMT 903
Unit 4	BTN 802 FMT 902 FMT 904