4SGB - Sequence, Chains, Asymmetric and Biological Units

• Title: STRUCTURE OF THE COMPLEX OF STREPTOMYCES GRISEUS PROTEINASE B AND POLYPEPTIDE CHYMOTRYPSIN INHIBITOR-1 FROM RUSSET BURBANK POTATO TUBERS AT 2.1 ANGSTROMS RESOLUTION
• Keywords: COMPLEX(SERINE PROTEINASE-INHIBITOR)
• Experiment: X-ray diffraction
• Number of Models: 1

Database	ID code	Status	Coordinate files
			Header	Asymmetric unit	Biological unit
PDB	4SGB	released	available	available	Quaternary Structure Server

Asymmetric unit from PDB

Unit	Type	Name	Chain ID	Residues	Atoms	Hetatoms
1	Protein	SERINE PROTEINASE B	E	185	1310	0
2	Protein	POTATO INHIBITOR, PCI-1	I	51	380	0
3	Ligand	SERINE PROTEINASE B	E	3	0	11
4	Water			179	0	179
total				418	1690	190

Proteins

Unit 1

ILE 16 SER 17 GLY 18 GLY 19 ASP 31 ALA 32 ILE 33 TYR 34 SER 35 SER 38 THR 39 GLY 40 ARG 41 CYS 42 SER 43 LEU 44 GLY 44A PHE 45 ASN 46 VAL 47 ARG 48 SER 48A GLY 48B SER 48C THR 49 TYR 50 TYR 51 PHE 52 LEU 53 THR 54 ALA 55 GLY 56 HIS 57 CYS 58 THR 59 ASP 59A GLY 59B ALA 60 THR 61 THR 62 TRP 64 TRP 65 ALA 66 ASN 67 SER 68 ALA 69 ARG 80 THR 81 THR 82 VAL 83 LEU 84 GLY 85 THR 87 THR 88 SER 88A GLY 89 SER 90 SER 91 PHE 94 PRO 95 ASN 100 ASN 101 ASP 102 TYR 103 GLY 104 ILE 105 VAL 106 ARG 107 TYR 108 THR 109 ASN 110 THR 111 THR 112 ILE 113 PRO 113A LYS 114 ASP 119 GLY 120 THR 120A VAL 120B GLY 120C GLY 120I GLN 120J ASP 120K ILE 121 THR 122 SER 123 ALA 124 ALA 125 ASN 129 ALA 130 THR 131 VAL 132 GLY 133 MET 134 ALA 135 VAL 136 THR 137 ARG 138 ARG 139 GLY 140 SER 141 THR 142 THR 143 GLY 156 THR 157 HIS 158 SER 159 GLY 160 SER 161 VAL 162 THR 163 ALA 164 LEU 165 ASN 166 ALA 167 THR 168 VAL 169 ASN 170 TYR 171 GLY 172 GLY 173 GLY 174 ASP 175 VAL 176 VAL 177 TYR 178 GLY 179 MET 180 ILE 181 ARG 182 THR 183 ASN 184 VAL 185 CYS 189 ALA 190 GLU 191 PRO 192 GLY 193 ASP 194 SER 195 GLY 196 GLY 197 PRO 198 LEU 199 TYR 200 SER 201 GLY 202 THR 207 ARG 208 ALA 209 ILE 210 GLY 211 LEU 212 THR 213 SER 214 GLY 215 GLY 216 SER 217 GLY 219D ASN 220 CYS 220A SER 221 SER 222 GLY 222A GLY 224 THR 225 THR 226 PHE 227 PHE 228 GLN 229 PRO 230 VAL 231 THR 232 GLU 233 ALA 234 LEU 235 VAL 236 ALA 237 TYR 238 GLY 239 VAL 240 SER 241 VAL 242 TYR 243

Unit 2

PRO 1 ILE 2 CYS 3 THR 4 ASN 5 CYS 6 CYS 7 ALA 8 GLY 9 TYR 10 LYS 11 GLY 12 CYS 13 ASN 14 TYR 15 TYR 16 SER 17 ALA 18 ASN 19 GLY 20 ALA 21 PHE 22 ILE 23 CYS 24 GLU 25 GLY 26 GLN 27 SER 28 ASP 29 PRO 30 LYS 31 LYS 32 PRO 33 LYS 34 ALA 35 CYS 36 PRO 37 LEU 38 ASN 39 CYS 40 ASP 41 PRO 42 HIS 43 ILE 44 ALA 45 TYR 46 SER 47 LYS 48 CYS 49 PRO 50 ARG 51

Ligands

Unit 3

CA 8 SO4 244 SO4 245