3NU1 - Sequence, Chains, Asymmetric and Biological Units

• Title: STRUCTURE OF HOLO FORM OF A PERIPLASMIC HEME BINDING PROTEIN
• Keywords: TRANSPORT PROTEIN, ALPHA BETA PROTEIN, RIGID HELICAL BACKBON SUBSTRATE-BOUND, IRON TRANSPORT, HEME TRANSPORT, METAL TRAN
• Experiment: X-ray diffraction
• Number of Models: 1

Database	ID code	Status	Coordinate files
			Header	Asymmetric unit	Biological unit
PDB	3NU1	released	available	available	Quaternary Structure Server

Asymmetric unit from PDB

Unit	Type	Name	Chain ID	Residues	Atoms	Hetatoms
1	Protein	HEMIN-BINDING PERIPLASMIC PROTEIN	A	254	1874	0
2	Protein	HEMIN-BINDING PERIPLASMIC PROTEIN	B	254	1874	0
3	Ligand	HEMIN-BINDING PERIPLASMIC PROTEIN	A	2	0	86
4	Ligand	HEMIN-BINDING PERIPLASMIC PROTEIN	B	2	0	86
5	Water			44	0	44
total				556	3748	216

Proteins

Unit 1

ALA 26 GLU 27 ARG 28 ILE 29 VAL 30 THR 31 ILE 32 GLY 33 GLY 34 ASP 35 VAL 36 THR 37 GLU 38 ILE 39 ALA 40 TYR 41 ALA 42 LEU 43 GLY 44 ALA 45 GLY 46 ASP 47 GLU 48 ILE 49 VAL 50 ALA 51 ARG 52 ASP 53 SER 54 THR 55 SER 56 GLN 57 GLN 58 PRO 59 GLN 60 ALA 61 ALA 62 GLN 63 LYS 64 LEU 65 PRO 66 ASP 67 VAL 68 GLY 69 TYR 70 MET 71 ARG 72 THR 73 LEU 74 ASN 75 ALA 76 GLU 77 GLY 78 ILE 79 LEU 80 ALA 81 MET 82 LYS 83 PRO 84 THR 85 MET 86 LEU 87 LEU 88 VAL 89 SER 90 GLU 91 LEU 92 ALA 93 GLN 94 PRO 95 SER 96 LEU 97 VAL 98 LEU 99 THR 100 GLN 101 ILE 102 ALA 103 SER 104 SER 105 GLY 106 VAL 107 ASN 108 VAL 109 VAL 110 THR 111 VAL 112 PRO 113 GLY 114 GLN 115 THR 116 THR 117 PRO 118 GLU 119 SER 120 VAL 121 ALA 122 MET 123 LYS 124 ILE 125 ASN 126 ALA 127 VAL 128 ALA 129 THR 130 ALA 131 LEU 132 HIS 133 GLN 134 THR 135 GLU 136 LYS 137 GLY 138 GLN 139 LYS 140 LEU 141 ILE 142 GLU 143 ASP 144 TYR 145 GLN 146 GLN 147 ARG 148 LEU 149 ALA 150 ALA 151 VAL 152 ASN 153 LYS 154 THR 155 PRO 156 LEU 157 PRO 158 VAL 159 LYS 160 VAL 161 LEU 162 PHE 163 VAL 164 MET 165 SER 166 HIS 167 GLY 168 GLY 169 LEU 170 THR 171 PRO 172 MET 173 ALA 174 ALA 175 GLY 176 GLN 177 ASN 178 THR 179 ALA 180 ALA 181 ASP 182 ALA 183 MET 184 ILE 185 ARG 186 ALA 187 ALA 188 GLY 189 GLY 190 SER 191 ASN 192 ALA 193 MET 194 GLN 195 GLY 196 PHE 197 SER 198 ARG 199 TYR 200 ARG 201 PRO 202 LEU 203 SER 204 GLN 205 GLU 206 GLY 207 VAL 208 ILE 209 ALA 210 SER 211 ALA 212 PRO 213 ASP 214 LEU 215 LEU 216 LEU 217 ILE 218 THR 219 THR 220 ASP 221 GLY 222 VAL 223 LYS 224 ALA 225 LEU 226 GLY 227 SER 228 SER 229 GLU 230 ASN 231 ILE 232 TRP 233 LYS 234 LEU 235 PRO 236 GLY 237 MET 238 ALA 239 LEU 240 THR 241 PRO 242 ALA 243 GLY 244 LYS 245 HIS 246 LYS 247 ARG 248 LEU 249 LEU 250 VAL 251 VAL 252 ASP 253 ASP 254 MET 255 ALA 256 LEU 257 LEU 258 GLY 259 PHE 260 GLY 261 LEU 262 GLU 263 THR 264 PRO 265 GLN 266 VAL 267 LEU 268 ALA 269 GLN 270 LEU 271 ARG 272 GLU 273 LYS 274 MET 275 GLU 276 GLN 277 MET 278 GLN 279

Unit 2

ALA 26 GLU 27 ARG 28 ILE 29 VAL 30 THR 31 ILE 32 GLY 33 GLY 34 ASP 35 VAL 36 THR 37 GLU 38 ILE 39 ALA 40 TYR 41 ALA 42 LEU 43 GLY 44 ALA 45 GLY 46 ASP 47 GLU 48 ILE 49 VAL 50 ALA 51 ARG 52 ASP 53 SER 54 THR 55 SER 56 GLN 57 GLN 58 PRO 59 GLN 60 ALA 61 ALA 62 GLN 63 LYS 64 LEU 65 PRO 66 ASP 67 VAL 68 GLY 69 TYR 70 MET 71 ARG 72 THR 73 LEU 74 ASN 75 ALA 76 GLU 77 GLY 78 ILE 79 LEU 80 ALA 81 MET 82 LYS 83 PRO 84 THR 85 MET 86 LEU 87 LEU 88 VAL 89 SER 90 GLU 91 LEU 92 ALA 93 GLN 94 PRO 95 SER 96 LEU 97 VAL 98 LEU 99 THR 100 GLN 101 ILE 102 ALA 103 SER 104 SER 105 GLY 106 VAL 107 ASN 108 VAL 109 VAL 110 THR 111 VAL 112 PRO 113 GLY 114 GLN 115 THR 116 THR 117 PRO 118 GLU 119 SER 120 VAL 121 ALA 122 MET 123 LYS 124 ILE 125 ASN 126 ALA 127 VAL 128 ALA 129 THR 130 ALA 131 LEU 132 HIS 133 GLN 134 THR 135 GLU 136 LYS 137 GLY 138 GLN 139 LYS 140 LEU 141 ILE 142 GLU 143 ASP 144 TYR 145 GLN 146 GLN 147 ARG 148 LEU 149 ALA 150 ALA 151 VAL 152 ASN 153 LYS 154 THR 155 PRO 156 LEU 157 PRO 158 VAL 159 LYS 160 VAL 161 LEU 162 PHE 163 VAL 164 MET 165 SER 166 HIS 167 GLY 168 GLY 169 LEU 170 THR 171 PRO 172 MET 173 ALA 174 ALA 175 GLY 176 GLN 177 ASN 178 THR 179 ALA 180 ALA 181 ASP 182 ALA 183 MET 184 ILE 185 ARG 186 ALA 187 ALA 188 GLY 189 GLY 190 SER 191 ASN 192 ALA 193 MET 194 GLN 195 GLY 196 PHE 197 SER 198 ARG 199 TYR 200 ARG 201 PRO 202 LEU 203 SER 204 GLN 205 GLU 206 GLY 207 VAL 208 ILE 209 ALA 210 SER 211 ALA 212 PRO 213 ASP 214 LEU 215 LEU 216 LEU 217 ILE 218 THR 219 THR 220 ASP 221 GLY 222 VAL 223 LYS 224 ALA 225 LEU 226 GLY 227 SER 228 SER 229 GLU 230 ASN 231 ILE 232 TRP 233 LYS 234 LEU 235 PRO 236 GLY 237 MET 238 ALA 239 LEU 240 THR 241 PRO 242 ALA 243 GLY 244 LYS 245 HIS 246 LYS 247 ARG 248 LEU 249 LEU 250 VAL 251 VAL 252 ASP 253 ASP 254 MET 255 ALA 256 LEU 257 LEU 258 GLY 259 PHE 260 GLY 261 LEU 262 GLU 263 THR 264 PRO 265 GLN 266 VAL 267 LEU 268 ALA 269 GLN 270 LEU 271 ARG 272 GLU 273 LYS 274 MET 275 GLU 276 GLN 277 MET 278 GLN 279

Ligands

Unit 3	HEM 301 HEM 302
Unit 4	HEM 301 HEM 302