4QDK - Sequence, Chains, Asymmetric and Biological Units

• Title: CRYSTAL STRUCTURE OF MAGNESIUM PROTOPORPHYRIN IX METHYLTRANS (CHLM) FROM SYNECHOCYSTIS PCC 6803 WITH BOUND SAH
• Keywords: METHYLTRANSFERASE, TRANSFERASE, MAGNESIUM PROTOPORPHYRIN IX, ADENOSYL HOMOCYSTEINE
• Experiment: X-ray diffraction
• Number of Models: 1

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

Asymmetric unit from PDB

Unit	Type	Name	Chain ID	Residues	Atoms	Hetatoms
1	Protein	MAGNESIUM-PROTOPORPHYRIN O-METHYLTRANSFERASE	A	219	1673	0
2	Protein	MAGNESIUM-PROTOPORPHYRIN O-METHYLTRANSFERASE	B	219	1670	0
3	Ligand	MAGNESIUM-PROTOPORPHYRIN O-METHYLTRANSFERASE	A	2	0	32
4	Ligand	MAGNESIUM-PROTOPORPHYRIN O-METHYLTRANSFERASE	B	2	0	32
5	Water			372	0	372
total				814	3343	436

Proteins

Unit 1

ASP 7 ASP 8 LYS 9 THR 10 ILE 11 VAL 12 ARG 13 ASP 14 TYR 15 PHE 16 ASN 17 SER 18 THR 19 GLY 20 PHE 21 ASP 22 ARG 23 TRP 24 ARG 25 ARG 26 ILE 27 TYR 28 GLY 29 ASP 30 GLY 31 GLN 32 VAL 33 ASN 34 PHE 35 VAL 36 GLN 37 LYS 38 ASP 39 ILE 40 ARG 41 VAL 42 GLY 43 HIS 44 GLN 45 GLN 46 THR 47 VAL 48 ASP 49 SER 50 VAL 51 VAL 52 ALA 53 TRP 54 LEU 55 VAL 56 ALA 57 ASP 58 GLY 59 ASN 60 LEU 61 PRO 62 GLY 63 LEU 64 LEU 65 VAL 66 CYS 67 ASP 68 ALA 69 GLY 70 CYS 71 GLY 72 VAL 73 GLY 74 SER 75 LEU 76 SER 77 ILE 78 PRO 79 LEU 80 ALA 81 GLN 82 ALA 83 GLY 84 ALA 85 LEU 86 VAL 87 TYR 88 GLY 89 SER 90 ASP 91 ILE 92 SER 93 GLU 94 LYS 95 MET 96 VAL 97 GLY 98 GLU 99 ALA 100 GLN 101 GLN 102 LYS 103 ALA 104 GLN 105 GLU 106 VAL 107 LEU 108 ALA 109 TYR 110 GLY 111 ASN 112 GLN 113 PRO 114 THR 115 PHE 116 MET 117 THR 118 GLN 119 ASP 120 LEU 121 ALA 122 GLN 123 LEU 124 GLY 125 GLY 126 LYS 127 TYR 128 ASP 129 THR 130 VAL 131 ILE 132 CYS 133 LEU 134 ASP 135 VAL 136 LEU 137 ILE 138 HIS 139 TYR 140 PRO 141 THR 142 GLU 143 GLU 144 ALA 145 SER 146 ALA 147 MET 148 ILE 149 SER 150 HIS 151 LEU 152 ALA 153 SER 154 LEU 155 ALA 156 ASP 157 ARG 158 ARG 159 LEU 160 ILE 161 LEU 162 SER 163 PHE 164 ALA 165 PRO 166 LYS 167 THR 168 LEU 169 GLY 170 LEU 171 THR 172 VAL 173 LEU 174 LYS 175 LYS 176 ILE 177 GLY 178 GLY 179 LEU 180 PHE 181 PRO 182 GLY 183 ARG 189 ALA 190 TYR 191 GLN 192 HIS 193 LYS 194 GLU 195 ALA 196 ASP 197 ILE 198 ARG 199 LYS 200 ILE 201 LEU 202 GLY 203 ASP 204 ASN 205 GLY 206 PHE 207 SER 208 ILE 209 ALA 210 ARG 211 THR 212 GLY 213 MET 214 THR 215 SER 216 THR 217 ARG 218 PHE 219 TYR 220 TYR 221 SER 222 ARG 223 ILE 224 LEU 225 GLU 226 ALA 227 VAL 228 ARG 229 SER 230

Unit 2

ASP 8 LYS 9 THR 10 ILE 11 VAL 12 ARG 13 ASP 14 TYR 15 PHE 16 ASN 17 SER 18 THR 19 GLY 20 PHE 21 ASP 22 ARG 23 TRP 24 ARG 25 ARG 26 ILE 27 TYR 28 GLY 29 ASP 30 GLY 31 GLN 32 VAL 33 ASN 34 PHE 35 VAL 36 GLN 37 LYS 38 ASP 39 ILE 40 ARG 41 VAL 42 GLY 43 HIS 44 GLN 45 GLN 46 THR 47 VAL 48 ASP 49 SER 50 VAL 51 VAL 52 ALA 53 TRP 54 LEU 55 VAL 56 ALA 57 ASP 58 GLY 59 ASN 60 LEU 61 PRO 62 GLY 63 LEU 64 LEU 65 VAL 66 CYS 67 ASP 68 ALA 69 GLY 70 CYS 71 GLY 72 VAL 73 GLY 74 SER 75 LEU 76 SER 77 ILE 78 PRO 79 LEU 80 ALA 81 GLN 82 ALA 83 GLY 84 ALA 85 LEU 86 VAL 87 TYR 88 GLY 89 SER 90 ASP 91 ILE 92 SER 93 GLU 94 LYS 95 MET 96 VAL 97 GLY 98 GLU 99 ALA 100 GLN 101 GLN 102 LYS 103 ALA 104 GLN 105 GLU 106 VAL 107 LEU 108 ALA 109 TYR 110 GLY 111 ASN 112 GLN 113 PRO 114 THR 115 PHE 116 MET 117 THR 118 GLN 119 ASP 120 LEU 121 ALA 122 GLN 123 LEU 124 GLY 125 GLY 126 LYS 127 TYR 128 ASP 129 THR 130 VAL 131 ILE 132 CYS 133 LEU 134 ASP 135 VAL 136 LEU 137 ILE 138 HIS 139 TYR 140 PRO 141 THR 142 GLU 143 GLU 144 ALA 145 SER 146 ALA 147 MET 148 ILE 149 SER 150 HIS 151 LEU 152 ALA 153 SER 154 LEU 155 ALA 156 ASP 157 ARG 158 ARG 159 LEU 160 ILE 161 LEU 162 SER 163 PHE 164 ALA 165 PRO 166 LYS 167 THR 168 LEU 169 GLY 170 LEU 171 THR 172 VAL 173 LEU 174 LYS 175 LYS 176 ILE 177 GLY 178 GLY 179 LEU 180 PHE 181 PRO 182 GLY 183 THR 188 ARG 189 ALA 190 TYR 191 GLN 192 HIS 193 LYS 194 GLU 195 ALA 196 ASP 197 ILE 198 ARG 199 LYS 200 ILE 201 LEU 202 GLY 203 ASP 204 ASN 205 GLY 206 PHE 207 SER 208 ILE 209 ALA 210 ARG 211 THR 212 GLY 213 MET 214 THR 215 SER 216 THR 217 ARG 218 PHE 219 TYR 220 TYR 221 SER 222 ARG 223 ILE 224 LEU 225 GLU 226 ALA 227 VAL 228 ARG 229 SER 230

Ligands

Unit 3	SAH 301 GOL 302
Unit 4	SAH 301 GOL 302