2QN5 - Sequence, Chains, Asymmetric and Biological Units

• Title: CRYSTAL STRUCTURE AND FUNCTIONAL STUDY OF THE BOWMAN-BIRK INHIBITOR FROM RICE BRAN IN COMPLEX WITH BOVINE TRYPSIN
• Keywords: RBTI, BOWMAN-BIRK INHIBITOR, MONOCOTYLEDONOUS PLANT, REACTIVE-SITE LOOP, PROTEASE-INHIBITOR, PLANT-PEST SYSTEMS, PROTEASE INHIBITOR, SERINE PROTEASE INHIBITOR, CALCIUM, DIGESTION, HYDROLASE, METAL-BINDING, SECRETED, ZYMOGEN, HYDROLASE INHIBITOR/HYDROLASE COMPLEX, HETERO-DIMER
• Experiment: X-ray diffraction
• Number of Models: 1

Database	ID code	Status	Coordinate files
			Header	Asymmetric unit	Biological unit
PDB	2QN5	released	available	available	Quaternary Structure Server

Asymmetric unit from PDB

Unit	Type	Name	Chain ID	Residues	Atoms	Hetatoms
1	Protein	BOWMAN-BIRK TYPE BRAN TRYPSIN INHIBITOR	B	110	858	0
2	Protein	CATIONIC TRYPSIN	T	223	1625	0
3	Water			137	0	137
total				470	2483	137

Proteins

Unit 1

MET 1 GLU 2 ARG 3 PRO 4 TRP 5 LYS 6 CYS 7 CYS 8 ASP 9 ASN 10 ILE 11 LYS 12 ARG 13 LEU 14 PRO 15 THR 16 LYS 17 PRO 18 ASP 19 PRO 20 PRO 21 GLN 22 TRP 23 ARG 24 CYS 25 ASN 26 ASP 27 GLU 28 LEU 29 GLU 30 PRO 31 SER 32 GLN 33 CYS 34 CYS 38 LYS 39 SER 40 CYS 41 ARG 42 ILE 53 CYS 54 GLU 55 ASP 56 ILE 57 TYR 58 TRP 59 GLY 60 ALA 61 ASP 62 PRO 63 GLY 64 PRO 65 PHE 66 CYS 67 THR 68 PRO 69 ARG 70 PRO 71 TRP 72 GLY 73 ASP 74 CYS 75 CYS 76 ASP 77 LYS 78 ALA 79 PHE 80 CYS 81 ASN 82 LYS 83 MET 84 ASN 85 PRO 86 PRO 87 THR 88 CYS 89 ARG 90 CYS 91 VAL 95 LYS 96 GLU 97 CYS 98 ALA 99 ASP 100 ALA 101 CYS 102 LYS 103 ASP 104 CYS 105 GLN 106 ARG 107 VAL 108 GLU 109 SER 110 SER 111 GLU 112 CYS 118 LYS 119 ASP 120 ARG 121 PHE 122 THR 123 GLY 124 HIS 125 PRO 126 GLY 127 PRO 128 VAL 129 CYS 130 LYS 131

Unit 2

ILE 19 VAL 20 GLY 21 GLY 22 TYR 23 THR 24 CYS 25 GLY 26 ALA 27 ASN 28 THR 29 VAL 30 PRO 31 TYR 32 GLN 33 VAL 34 SER 35 LEU 36 ASN 37 SER 38 GLY 39 TYR 40 HIS 41 PHE 42 CYS 43 GLY 44 GLY 45 SER 46 LEU 47 ILE 48 ASN 49 SER 50 GLN 51 TRP 52 VAL 53 VAL 54 SER 55 ALA 56 ALA 57 HIS 58 CYS 59 TYR 60 LYS 61 SER 62 GLY 63 ILE 64 GLN 65 VAL 66 ARG 67 LEU 68 GLY 69 GLU 70 ASP 71 ASN 72 ILE 73 ASN 74 VAL 75 VAL 76 GLU 77 GLY 78 ASN 79 GLU 80 GLN 81 PHE 82 ILE 83 SER 84 ALA 85 SER 86 LYS 87 SER 88 ILE 89 VAL 90 HIS 91 PRO 92 SER 93 TYR 94 ASN 95 SER 96 ASN 97 THR 98 LEU 99 ASN 100 ASN 101 ASP 102 ILE 103 MET 104 LEU 105 ILE 106 LYS 107 LEU 108 LYS 109 SER 110 ALA 111 ALA 112 SER 113 LEU 114 ASN 115 SER 116 ARG 117 VAL 118 ALA 119 SER 120 ILE 121 SER 122 LEU 123 PRO 124 THR 125 SER 126 CYS 127 ALA 128 SER 129 ALA 130 GLY 131 THR 132 GLN 133 CYS 134 LEU 135 ILE 136 SER 137 GLY 138 TRP 139 GLY 140 ASN 141 THR 142 LYS 143 SER 144 SER 145 GLY 146 THR 147 SER 148 TYR 149 PRO 150 ASP 151 VAL 152 LEU 153 LYS 154 CYS 155 LEU 156 LYS 157 ALA 158 PRO 159 ILE 160 LEU 161 SER 162 ASP 163 SER 164 SER 165 CYS 166 LYS 167 SER 168 ALA 169 TYR 170 PRO 171 GLY 172 GLN 173 ILE 174 THR 175 SER 176 ASN 177 MET 178 PHE 179 CYS 180 ALA 181 GLY 182 TYR 183 LEU 184 GLU 185 GLY 186 GLY 187 LYS 188 ASP 189 SER 190 CYS 191 GLN 192 GLY 193 ASP 194 SER 195 GLY 196 GLY 197 PRO 198 VAL 199 VAL 200 CYS 201 SER 202 GLY 203 LYS 204 LEU 209 GLN 210 GLY 211 ILE 212 VAL 213 SER 214 TRP 215 GLY 216 SER 217 GLY 218 CYS 219 ALA 220 GLN 221 LYS 222 ASN 223 LYS 224 PRO 225 GLY 226 VAL 227 TYR 228 THR 229 LYS 230 VAL 231 CYS 232 ASN 233 TYR 234 VAL 235 SER 236 TRP 237 ILE 238 LYS 239 GLN 240 THR 241 ILE 242 ALA 243 SER 244 ASN 245