1SGC - Sequence, Chains, Asymmetric and Biological Units

• Title: THE 1.8 ANGSTROMS STRUCTURE OF THE COMPLEX BETWEEN CHYMOSTAT STREPTOMYCES GRISEUS PROTEASE A. A MODEL FOR SERINE PROTEAS CATALYTIC TETRAHEDRAL INTERMEDIATES
• Keywords: HYDROLASE (SERINE PROTEINASE), HYDROLASE-HYDROLASE INHIBITOR
• Experiment: X-ray diffraction
• Number of Models: 1

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

Asymmetric unit from PDB

Unit	Type	Name	Chain ID	Residues	Atoms	Hetatoms
1	Protein	PROTEINASE A	A	181	1259	0
2	Protein	CHYMOSTATIN A	B	4	20	24
3	Water			217	0	217
total				402	1279	241

Proteins

Unit 1

ILE 16 ALA 17 GLY 18 GLY 19 GLU 29 ALA 30 ILE 31 THR 32 THR 33 GLY 34 GLY 39 SER 40 ARG 41 CYS 42 SER 43 LEU 44 GLY 45 PHE 46 ASN 47 VAL 48 SER 48A VAL 48B ASN 48C GLY 48D VAL 49 ALA 50 HIS 51 ALA 52 LEU 53 THR 54 ALA 55 GLY 56 HIS 57 CYS 58 THR 59 ASN 62 ILE 63 SER 64 ALA 65 SER 65A TRP 66 SER 84 ILE 85 GLY 86 THR 87 ARG 88 THR 89 GLY 90 THR 91 SER 93 PHE 94 PRO 99A ASN 100 ASN 101 ASP 102 TYR 103 GLY 104 ILE 105 ILE 106 ARG 107 HIS 108 SER 109 ASN 110 PRO 111 ALA 112 ALA 113 ALA 114 ASP 115 GLY 116 ARG 117 VAL 118 TYR 119 LEU 120 TYR 120A ASN 120B GLY 120C SER 120D TYR 121 GLN 122 ASP 123 ILE 124 THR 125 THR 126 ALA 127 GLY 128 ASN 129 ALA 130 PHE 131 VAL 132 GLY 133 GLN 134 ALA 135 VAL 136 GLN 137 ARG 138 SER 139 GLY 140 SER 141 THR 142 THR 143 GLY 156 LEU 157 ARG 158 SER 159 GLY 160 SER 161 VAL 162 THR 163 GLY 164 LEU 165 ASN 166 ALA 167 THR 168 VAL 169 ASN 170 TYR 171 GLY 172 SER 173 SER 174 GLY 175 ILE 176 VAL 177 TYR 178 GLY 179 MET 180 ILE 181 GLN 182 THR 183 ASN 184 VAL 190 CYS 191 ALA 192 GLN 192A PRO 192B GLY 193 ASP 194 SER 195 GLY 196 GLY 197 SER 198 LEU 199 PHE 200 ALA 201 GLY 202 SER 207 THR 208 ALA 209 LEU 210 GLY 211 LEU 212 THR 213 SER 214 GLY 215 GLY 216 SER 217 GLY 218 ASN 219 CYS 220 ARG 221 THR 222 GLY 223 GLY 224 THR 225 THR 226 PHE 227 TYR 228 GLN 229 PRO 230 VAL 231 THR 232 GLU 233 ALA 234 LEU 235 SER 235A ALA 236 TYR 237 GLY 238 ALA 239 THR 240 VAL 241 LEU 242

Unit 2

PHE 1 CSI 2 LEU 3 PHA 4