4GH8 - Sequence, Chains, Asymmetric and Biological Units

• Title: CRYSTAL STRUCTURE OF A 'HUMANIZED' E. COLI DIHYDROFOLATE RED
• Keywords: TETRAHYDROFOLATE, ENZYME CATALYSIS, EVOLUTION, DIHYDROFOLATE REDUCTASE, OXIDOREDUCTASE
• Experiment: X-ray diffraction
• Number of Models: 1

Database	ID code	Status	Coordinate files
			Header	Asymmetric unit	Biological unit
PDB	4GH8	released	available	available	Quaternary Structure Server

Asymmetric unit from PDB

Unit	Type	Name	Chain ID	Residues	Atoms	Hetatoms
1	Protein	DIHYDROFOLATE REDUCTASE	B	162	1270	0
2	Protein	DIHYDROFOLATE REDUCTASE	A	162	1274	0
3	Ligand	DIHYDROFOLATE REDUCTASE	B	3	0	82
4	Ligand	DIHYDROFOLATE REDUCTASE	A	4	0	83
5	Water			169	0	169
total				500	2544	334

Proteins

Unit 1

MET 1 ILE 2 SER 3 LEU 4 ILE 5 ALA 6 ALA 7 LEU 8 ALA 9 VAL 10 ASP 11 ARG 12 VAL 13 ILE 14 GLY 15 MET 16 GLU 17 ASN 18 ALA 19 MET 20 PRO 21 TRP 22 PRO 23 PRO 24 LEU 25 PRO 26 ALA 27 ASP 28 LEU 29 ALA 30 TRP 31 PHE 32 LYS 33 ARG 34 ASN 35 THR 36 LEU 37 ASN 38 LYS 39 PRO 40 VAL 41 ILE 42 MET 43 GLY 44 ARG 45 HIS 46 THR 47 TRP 48 GLU 49 SER 50 ILE 51 PRO 52 GLU 53 LYS 54 ASN 55 ARG 56 PRO 57 LEU 58 PRO 59 GLY 60 ARG 61 LYS 62 ASN 63 ILE 64 ILE 65 LEU 66 SER 67 SER 68 GLN 69 PRO 70 GLY 71 THR 72 ASP 73 ASP 74 ARG 75 VAL 76 THR 77 TRP 78 VAL 79 LYS 80 SER 81 VAL 82 ASP 83 GLU 84 ALA 85 ILE 86 ALA 87 ALA 88 CYS 89 GLY 90 ASP 91 VAL 92 PRO 93 GLU 94 ILE 95 MET 96 VAL 97 ILE 98 GLY 99 GLY 100 GLY 101 ARG 102 VAL 103 TYR 104 GLU 105 GLN 106 PHE 107 LEU 108 PRO 109 LYS 110 ALA 111 GLN 112 LYS 113 LEU 114 TYR 115 LEU 116 THR 117 HIS 118 ILE 119 ASP 120 ALA 121 GLU 122 VAL 123 GLU 124 GLY 125 ASP 126 THR 127 HIS 128 PHE 129 PRO 130 ASP 131 TYR 132 GLU 133 PRO 134 ASP 135 ASP 136 TRP 137 GLU 138 SER 139 VAL 140 PHE 141 SER 142 GLU 143 PHE 144 HIS 145 ASP 146 ALA 147 ASP 148 ALA 149 GLN 150 ASN 151 SER 152 HIS 153 SER 154 TYR 155 CYS 156 PHE 157 GLU 158 ILE 159 LEU 160 GLU 161 ARG 162

Unit 2

MET 1 ILE 2 SER 3 LEU 4 ILE 5 ALA 6 ALA 7 LEU 8 ALA 9 VAL 10 ASP 11 ARG 12 VAL 13 ILE 14 GLY 15 MET 16 GLU 17 ASN 18 ALA 19 MET 20 PRO 21 TRP 22 PRO 23 PRO 24 LEU 25 PRO 26 ALA 27 ASP 28 LEU 29 ALA 30 TRP 31 PHE 32 LYS 33 ARG 34 ASN 35 THR 36 LEU 37 ASN 38 LYS 39 PRO 40 VAL 41 ILE 42 MET 43 GLY 44 ARG 45 HIS 46 THR 47 TRP 48 GLU 49 SER 50 ILE 51 PRO 52 GLU 53 LYS 54 ASN 55 ARG 56 PRO 57 LEU 58 PRO 59 GLY 60 ARG 61 LYS 62 ASN 63 ILE 64 ILE 65 LEU 66 SER 67 SER 68 GLN 69 PRO 70 GLY 71 THR 72 ASP 73 ASP 74 ARG 75 VAL 76 THR 77 TRP 78 VAL 79 LYS 80 SER 81 VAL 82 ASP 83 GLU 84 ALA 85 ILE 86 ALA 87 ALA 88 CYS 89 GLY 90 ASP 91 VAL 92 PRO 93 GLU 94 ILE 95 MET 96 VAL 97 ILE 98 GLY 99 GLY 100 GLY 101 ARG 102 VAL 103 TYR 104 GLU 105 GLN 106 PHE 107 LEU 108 PRO 109 LYS 110 ALA 111 GLN 112 LYS 113 LEU 114 TYR 115 LEU 116 THR 117 HIS 118 ILE 119 ASP 120 ALA 121 GLU 122 VAL 123 GLU 124 GLY 125 ASP 126 THR 127 HIS 128 PHE 129 PRO 130 ASP 131 TYR 132 GLU 133 PRO 134 ASP 135 ASP 136 TRP 137 GLU 138 SER 139 VAL 140 PHE 141 SER 142 GLU 143 PHE 144 HIS 145 ASP 146 ALA 147 ASP 148 ALA 149 GLN 150 ASN 151 SER 152 HIS 153 SER 154 TYR 155 CYS 156 PHE 157 GLU 158 ILE 159 LEU 160 GLU 161 ARG 162

Ligands

Unit 3	MTX 201 NDP 202 CA 203
Unit 4	MTX 201 NDP 202 CA 203 CA 204