4KBR - Sequence, Chains, Asymmetric and Biological Units

• Title: CRYSTAL STRUCTURE OF MOUSE CERAMIDE-1-PHOSPHATE TRANSFER PRO FORM)
• Keywords: LIPID TRANSFER PROTEIN, GLTP-FOLD, CPTP, C1P, CERAMIDE-1-PHO PROTEIN-LIPID COMPLEX, EICOSANOID, LIPID TRANSPORT
• Experiment: X-ray diffraction
• Number of Models: 1

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

Asymmetric unit from PDB

Unit	Type	Name	Chain ID	Residues	Atoms	Hetatoms
1	Protein		A	206	1629	0
2	Protein		B	207	1619	0
3	Protein		C	205	1633	0
4	Protein		D	202	1607	0
5	Protein		E	207	1658	0
6	Protein		F	202	1584	0
7	Protein		G	203	1620	0
8	Protein		H	203	1560	0
9	Ligand		A	1	0	5
10	Ligand		B	1	0	5
11	Ligand		C	1	0	5
12	Ligand		D	1	0	5
13	Ligand		E	1	0	5
14	Ligand		F	1	0	5
15	Ligand		G	1	0	5
16	Ligand		H	1	0	5
17	Water			254	0	254
total				1897	12910	294

Proteins

Unit 1	PHE 8 ASN 9 LEU 10 LYS 11 VAL 12 VAL 13 LEU 14 VAL 15 SER 16 PHE 17 LYS 18 GLN 19 CYS 20 LEU 21 THR 22 ASP 23 LYS 24 GLY 25 GLU 26 VAL 27 LEU 28 LEU 29 ASP 30 HIS 31 TYR 32 ILE 33 ALA 34 GLY 35 TRP 36 LYS 37 GLY 38 LEU 39 VAL 40 ARG 41 PHE 42 LEU 43 ASN 44 SER 45 LEU 46 GLY 47 ALA 48 VAL 49 PHE 50 SER 51 PHE 52 ILE 53 SER 54 LYS 55 ASP 56 VAL 57 VAL 58 ALA 59 LYS 60 LEU 61 GLN 62 ILE 63 MET 64 GLU 65 ARG 66 LEU 67 ARG 68 SER 69 SER 70 PRO 71 GLN 72 SER 73 GLU 74 HIS 75 TYR 76 THR 77 SER 78 LEU 79 GLN 80 SER 81 MET 82 VAL 83 ALA 84 TYR 85 GLU 86 VAL 87 SER 88 ASN 89 LYS 90 LEU 91 VAL 92 ASP 93 MET 94 ASP 95 HIS 96 PRO 100 ARG 101 HIS 102 PRO 103 HIS 104 SER 105 GLY 106 CYS 107 ARG 108 THR 109 VAL 110 LEU 111 ARG 112 LEU 113 HIS 114 ARG 115 ALA 116 LEU 117 HIS 118 TRP 119 LEU 120 GLN 121 LEU 122 PHE 123 LEU 124 ASP 125 GLY 126 LEU 127 ARG 128 THR 129 SER 130 SER 131 GLU 132 ASP 133 ALA 134 ARG 135 THR 136 SER 137 THR 138 LEU 139 CYS 140 SER 141 GLU 142 ALA 143 TYR 144 ASN 145 ALA 146 THR 147 LEU 148 ALA 149 ASN 150 TYR 151 HIS 152 SER 153 TRP 154 ILE 155 VAL 156 ARG 157 GLN 158 ALA 159 VAL 160 THR 161 VAL 162 ALA 163 PHE 164 CYS 165 ALA 166 LEU 167 PRO 168 SER 169 ARG 170 LYS 171 VAL 172 PHE 173 LEU 174 GLU 175 ALA 176 MET 177 ASN 178 MET 179 GLU 180 SER 181 THR 182 GLU 183 GLN 184 ALA 185 VAL 186 GLU 187 MET 188 LEU 189 GLY 190 GLU 191 ALA 192 LEU 193 PRO 194 PHE 195 ILE 196 GLU 197 HIS 198 VAL 199 TYR 200 ASP 201 ILE 202 SER 203 GLN 204 LYS 205 LEU 206 TYR 207 ALA 208 GLU 209 HIS 210 SER 211 LEU 212 LEU 213 ASP 214 LEU 215 PRO 216
Unit 2	PHE 8 ASN 9 LEU 10 LYS 11 VAL 12 VAL 13 LEU 14 VAL 15 SER 16 PHE 17 LYS 18 GLN 19 CYS 20 LEU 21 THR 22 ASP 23 LYS 24 GLY 25 GLU 26 VAL 27 LEU 28 LEU 29 ASP 30 HIS 31 TYR 32 ILE 33 ALA 34 GLY 35 TRP 36 LYS 37 GLY 38 LEU 39 VAL 40 ARG 41 PHE 42 LEU 43 ASN 44 SER 45 LEU 46 GLY 47 ALA 48 VAL 49 PHE 50 SER 51 PHE 52 ILE 53 SER 54 LYS 55 ASP 56 VAL 57 VAL 58 ALA 59 LYS 60 LEU 61 GLN 62 ILE 63 MET 64 GLU 65 ARG 66 LEU 67 ARG 68 SER 69 SER 70 PRO 71 GLN 72 SER 73 GLU 74 HIS 75 TYR 76 THR 77 SER 78 LEU 79 GLN 80 SER 81 MET 82 VAL 83 ALA 84 TYR 85 GLU 86 VAL 87 SER 88 ASN 89 LYS 90 LEU 91 VAL 92 ASP 93 MET 94 ASP 95 HIS 96 HIS 99 PRO 100 ARG 101 HIS 102 PRO 103 HIS 104 SER 105 GLY 106 CYS 107 ARG 108 THR 109 VAL 110 LEU 111 ARG 112 LEU 113 HIS 114 ARG 115 ALA 116 LEU 117 HIS 118 TRP 119 LEU 120 GLN 121 LEU 122 PHE 123 LEU 124 ASP 125 GLY 126 LEU 127 ARG 128 THR 129 SER 130 SER 131 GLU 132 ASP 133 ALA 134 ARG 135 THR 136 SER 137 THR 138 LEU 139 CYS 140 SER 141 GLU 142 ALA 143 TYR 144 ASN 145 ALA 146 THR 147 LEU 148 ALA 149 ASN 150 TYR 151 HIS 152 SER 153 TRP 154 ILE 155 VAL 156 ARG 157 GLN 158 ALA 159 VAL 160 THR 161 VAL 162 ALA 163 PHE 164 CYS 165 ALA 166 LEU 167 PRO 168 SER 169 ARG 170 LYS 171 VAL 172 PHE 173 LEU 174 GLU 175 ALA 176 MET 177 ASN 178 MET 179 GLU 180 SER 181 THR 182 GLU 183 GLN 184 ALA 185 VAL 186 GLU 187 MET 188 LEU 189 GLY 190 GLU 191 ALA 192 LEU 193 PRO 194 PHE 195 ILE 196 GLU 197 HIS 198 VAL 199 TYR 200 ASP 201 ILE 202 SER 203 GLN 204 LYS 205 LEU 206 TYR 207 ALA 208 GLU 209 HIS 210 SER 211 LEU 212 LEU 213 ASP 214 LEU 215 PRO 216
Unit 3	PHE 8 ASN 9 LEU 10 LYS 11 VAL 12 VAL 13 LEU 14 VAL 15 SER 16 PHE 17 LYS 18 GLN 19 CYS 20 LEU 21 THR 22 ASP 23 LYS 24 GLY 25 GLU 26 VAL 27 LEU 28 LEU 29 ASP 30 HIS 31 TYR 32 ILE 33 ALA 34 GLY 35 TRP 36 LYS 37 GLY 38 LEU 39 VAL 40 ARG 41 PHE 42 LEU 43 ASN 44 SER 45 LEU 46 GLY 47 ALA 48 VAL 49 PHE 50 SER 51 PHE 52 ILE 53 SER 54 LYS 55 ASP 56 VAL 57 VAL 58 ALA 59 LYS 60 LEU 61 GLN 62 ILE 63 MET 64 GLU 65 ARG 66 LEU 67 ARG 68 SER 69 SER 70 PRO 71 GLN 72 SER 73 GLU 74 HIS 75 TYR 76 THR 77 SER 78 LEU 79 GLN 80 SER 81 MET 82 VAL 83 ALA 84 TYR 85 GLU 86 VAL 87 SER 88 ASN 89 LYS 90 LEU 91 VAL 92 ASP 93 MET 94 ASP 95 HIS 96 ARG 101 HIS 102 PRO 103 HIS 104 SER 105 GLY 106 CYS 107 ARG 108 THR 109 VAL 110 LEU 111 ARG 112 LEU 113 HIS 114 ARG 115 ALA 116 LEU 117 HIS 118 TRP 119 LEU 120 GLN 121 LEU 122 PHE 123 LEU 124 ASP 125 GLY 126 LEU 127 ARG 128 THR 129 SER 130 SER 131 GLU 132 ASP 133 ALA 134 ARG 135 THR 136 SER 137 THR 138 LEU 139 CYS 140 SER 141 GLU 142 ALA 143 TYR 144 ASN 145 ALA 146 THR 147 LEU 148 ALA 149 ASN 150 TYR 151 HIS 152 SER 153 TRP 154 ILE 155 VAL 156 ARG 157 GLN 158 ALA 159 VAL 160 THR 161 VAL 162 ALA 163 PHE 164 CYS 165 ALA 166 LEU 167 PRO 168 SER 169 ARG 170 LYS 171 VAL 172 PHE 173 LEU 174 GLU 175 ALA 176 MET 177 ASN 178 MET 179 GLU 180 SER 181 THR 182 GLU 183 GLN 184 ALA 185 VAL 186 GLU 187 MET 188 LEU 189 GLY 190 GLU 191 ALA 192 LEU 193 PRO 194 PHE 195 ILE 196 GLU 197 HIS 198 VAL 199 TYR 200 ASP 201 ILE 202 SER 203 GLN 204 LYS 205 LEU 206 TYR 207 ALA 208 GLU 209 HIS 210 SER 211 LEU 212 LEU 213 ASP 214 LEU 215 PRO 216
Unit 4	PHE 8 ASN 9 LEU 10 LYS 11 VAL 12 VAL 13 LEU 14 VAL 15 SER 16 PHE 17 LYS 18 GLN 19 CYS 20 LEU 21 THR 22 ASP 23 LYS 24 GLY 25 GLU 26 VAL 27 LEU 28 LEU 29 ASP 30 HIS 31 TYR 32 ILE 33 ALA 34 GLY 35 TRP 36 LYS 37 GLY 38 LEU 39 VAL 40 ARG 41 PHE 42 LEU 43 ASN 44 SER 45 LEU 46 GLY 47 ALA 48 VAL 49 PHE 50 SER 51 PHE 52 ILE 53 SER 54 LYS 55 ASP 56 VAL 57 VAL 58 ALA 59 LYS 60 LEU 61 GLN 62 ILE 63 MET 64 GLU 65 ARG 66 LEU 67 ARG 68 SER 69 SER 70 PRO 71 GLN 72 SER 73 GLU 74 HIS 75 TYR 76 THR 77 SER 78 LEU 79 GLN 80 SER 81 MET 82 VAL 83 ALA 84 TYR 85 GLU 86 VAL 87 SER 88 ASN 89 LYS 90 LEU 91 VAL 92 ASP 93 MET 94 ASP 95 HIS 96 PRO 100 ARG 101 HIS 102 PRO 103 HIS 104 SER 105 GLY 106 CYS 107 ARG 108 THR 109 VAL 110 LEU 111 ARG 112 LEU 113 HIS 114 ARG 115 ALA 116 LEU 117 HIS 118 TRP 119 LEU 120 GLN 121 LEU 122 PHE 123 LEU 124 ASP 125 GLY 126 LEU 127 ARG 128 THR 129 SER 130 SER 131 THR 136 SER 137 THR 138 LEU 139 CYS 140 SER 141 GLU 142 ALA 143 TYR 144 ASN 145 ALA 146 THR 147 LEU 148 ALA 149 ASN 150 TYR 151 HIS 152 SER 153 TRP 154 ILE 155 VAL 156 ARG 157 GLN 158 ALA 159 VAL 160 THR 161 VAL 162 ALA 163 PHE 164 CYS 165 ALA 166 LEU 167 PRO 168 SER 169 ARG 170 LYS 171 VAL 172 PHE 173 LEU 174 GLU 175 ALA 176 MET 177 ASN 178 MET 179 GLU 180 SER 181 THR 182 GLU 183 GLN 184 ALA 185 VAL 186 GLU 187 MET 188 LEU 189 GLY 190 GLU 191 ALA 192 LEU 193 PRO 194 PHE 195 ILE 196 GLU 197 HIS 198 VAL 199 TYR 200 ASP 201 ILE 202 SER 203 GLN 204 LYS 205 LEU 206 TYR 207 ALA 208 GLU 209 HIS 210 SER 211 LEU 212 LEU 213 ASP 214 LEU 215 PRO 216
Unit 5	PHE 8 ASN 9 LEU 10 LYS 11 VAL 12 VAL 13 LEU 14 VAL 15 SER 16 PHE 17 LYS 18 GLN 19 CYS 20 LEU 21 THR 22 ASP 23 LYS 24 GLY 25 GLU 26 VAL 27 LEU 28 LEU 29 ASP 30 HIS 31 TYR 32 ILE 33 ALA 34 GLY 35 TRP 36 LYS 37 GLY 38 LEU 39 VAL 40 ARG 41 PHE 42 LEU 43 ASN 44 SER 45 LEU 46 GLY 47 ALA 48 VAL 49 PHE 50 SER 51 PHE 52 ILE 53 SER 54 LYS 55 ASP 56 VAL 57 VAL 58 ALA 59 LYS 60 LEU 61 GLN 62 ILE 63 MET 64 GLU 65 ARG 66 LEU 67 ARG 68 SER 69 SER 70 PRO 71 GLN 72 SER 73 GLU 74 HIS 75 TYR 76 THR 77 SER 78 LEU 79 GLN 80 SER 81 MET 82 VAL 83 ALA 84 TYR 85 GLU 86 VAL 87 SER 88 ASN 89 LYS 90 LEU 91 VAL 92 ASP 93 MET 94 ASP 95 HIS 96 HIS 99 PRO 100 ARG 101 HIS 102 PRO 103 HIS 104 SER 105 GLY 106 CYS 107 ARG 108 THR 109 VAL 110 LEU 111 ARG 112 LEU 113 HIS 114 ARG 115 ALA 116 LEU 117 HIS 118 TRP 119 LEU 120 GLN 121 LEU 122 PHE 123 LEU 124 ASP 125 GLY 126 LEU 127 ARG 128 THR 129 SER 130 SER 131 GLU 132 ASP 133 ALA 134 ARG 135 THR 136 SER 137 THR 138 LEU 139 CYS 140 SER 141 GLU 142 ALA 143 TYR 144 ASN 145 ALA 146 THR 147 LEU 148 ALA 149 ASN 150 TYR 151 HIS 152 SER 153 TRP 154 ILE 155 VAL 156 ARG 157 GLN 158 ALA 159 VAL 160 THR 161 VAL 162 ALA 163 PHE 164 CYS 165 ALA 166 LEU 167 PRO 168 SER 169 ARG 170 LYS 171 VAL 172 PHE 173 LEU 174 GLU 175 ALA 176 MET 177 ASN 178 MET 179 GLU 180 SER 181 THR 182 GLU 183 GLN 184 ALA 185 VAL 186 GLU 187 MET 188 LEU 189 GLY 190 GLU 191 ALA 192 LEU 193 PRO 194 PHE 195 ILE 196 GLU 197 HIS 198 VAL 199 TYR 200 ASP 201 ILE 202 SER 203 GLN 204 LYS 205 LEU 206 TYR 207 ALA 208 GLU 209 HIS 210 SER 211 LEU 212 LEU 213 ASP 214 LEU 215 PRO 216
Unit 6	PHE 8 ASN 9 LEU 10 LYS 11 VAL 12 VAL 13 LEU 14 VAL 15 SER 16 PHE 17 LYS 18 GLN 19 CYS 20 LEU 21 THR 22 ASP 23 LYS 24 GLY 25 GLU 26 VAL 27 LEU 28 LEU 29 ASP 30 HIS 31 TYR 32 ILE 33 ALA 34 GLY 35 TRP 36 LYS 37 GLY 38 LEU 39 VAL 40 ARG 41 PHE 42 LEU 43 ASN 44 SER 45 LEU 46 GLY 47 ALA 48 VAL 49 PHE 50 SER 51 PHE 52 ILE 53 SER 54 LYS 55 ASP 56 VAL 57 VAL 58 ALA 59 LYS 60 LEU 61 GLN 62 ILE 63 MET 64 GLU 65 ARG 66 LEU 67 ARG 68 SER 69 SER 70 PRO 71 GLN 72 SER 73 GLU 74 HIS 75 TYR 76 THR 77 SER 78 LEU 79 GLN 80 SER 81 MET 82 VAL 83 ALA 84 TYR 85 GLU 86 VAL 87 SER 88 ASN 89 LYS 90 LEU 91 VAL 92 ASP 93 MET 94 ASP 95 HIS 96 HIS 102 PRO 103 HIS 104 SER 105 GLY 106 CYS 107 ARG 108 THR 109 VAL 110 LEU 111 ARG 112 LEU 113 HIS 114 ARG 115 ALA 116 LEU 117 HIS 118 TRP 119 LEU 120 GLN 121 LEU 122 PHE 123 LEU 124 ASP 125 GLY 126 LEU 127 ARG 128 THR 129 SER 130 SER 131 GLU 132 ARG 135 THR 136 SER 137 THR 138 LEU 139 CYS 140 SER 141 GLU 142 ALA 143 TYR 144 ASN 145 ALA 146 THR 147 LEU 148 ALA 149 ASN 150 TYR 151 HIS 152 SER 153 TRP 154 ILE 155 VAL 156 ARG 157 GLN 158 ALA 159 VAL 160 THR 161 VAL 162 ALA 163 PHE 164 CYS 165 ALA 166 LEU 167 PRO 168 SER 169 ARG 170 LYS 171 VAL 172 PHE 173 LEU 174 GLU 175 ALA 176 MET 177 ASN 178 MET 179 GLU 180 SER 181 THR 182 GLU 183 GLN 184 ALA 185 VAL 186 GLU 187 MET 188 LEU 189 GLY 190 GLU 191 ALA 192 LEU 193 PRO 194 PHE 195 ILE 196 GLU 197 HIS 198 VAL 199 TYR 200 ASP 201 ILE 202 SER 203 GLN 204 LYS 205 LEU 206 TYR 207 ALA 208 GLU 209 HIS 210 SER 211 LEU 212 LEU 213 ASP 214 LEU 215 PRO 216
Unit 7	ASP 7 PHE 8 ASN 9 LEU 10 LYS 11 VAL 12 VAL 13 LEU 14 VAL 15 SER 16 PHE 17 LYS 18 GLN 19 CYS 20 LEU 21 THR 22 ASP 23 LYS 24 GLY 25 GLU 26 VAL 27 LEU 28 LEU 29 ASP 30 HIS 31 TYR 32 ILE 33 ALA 34 GLY 35 TRP 36 LYS 37 GLY 38 LEU 39 VAL 40 ARG 41 PHE 42 LEU 43 ASN 44 SER 45 LEU 46 GLY 47 ALA 48 VAL 49 PHE 50 SER 51 PHE 52 ILE 53 SER 54 LYS 55 ASP 56 VAL 57 VAL 58 ALA 59 LYS 60 LEU 61 GLN 62 ILE 63 MET 64 GLU 65 ARG 66 LEU 67 ARG 68 SER 69 SER 70 PRO 71 GLN 72 SER 73 GLU 74 HIS 75 TYR 76 THR 77 SER 78 LEU 79 GLN 80 SER 81 MET 82 VAL 83 ALA 84 TYR 85 GLU 86 VAL 87 SER 88 ASN 89 LYS 90 LEU 91 VAL 92 ASP 93 ARG 101 HIS 102 PRO 103 HIS 104 SER 105 GLY 106 CYS 107 ARG 108 THR 109 VAL 110 LEU 111 ARG 112 LEU 113 HIS 114 ARG 115 ALA 116 LEU 117 HIS 118 TRP 119 LEU 120 GLN 121 LEU 122 PHE 123 LEU 124 ASP 125 GLY 126 LEU 127 ARG 128 THR 129 SER 130 SER 131 GLU 132 ASP 133 ALA 134 ARG 135 THR 136 SER 137 THR 138 LEU 139 CYS 140 SER 141 GLU 142 ALA 143 TYR 144 ASN 145 ALA 146 THR 147 LEU 148 ALA 149 ASN 150 TYR 151 HIS 152 SER 153 TRP 154 ILE 155 VAL 156 ARG 157 GLN 158 ALA 159 VAL 160 THR 161 VAL 162 ALA 163 PHE 164 CYS 165 ALA 166 LEU 167 PRO 168 SER 169 ARG 170 LYS 171 VAL 172 PHE 173 LEU 174 GLU 175 ALA 176 MET 177 ASN 178 MET 179 GLU 180 SER 181 THR 182 GLU 183 GLN 184 ALA 185 VAL 186 GLU 187 MET 188 LEU 189 GLY 190 GLU 191 ALA 192 LEU 193 PRO 194 PHE 195 ILE 196 GLU 197 HIS 198 VAL 199 TYR 200 ASP 201 ILE 202 SER 203 GLN 204 LYS 205 LEU 206 TYR 207 ALA 208 GLU 209 HIS 210 SER 211 LEU 212 LEU 213 ASP 214 LEU 215 PRO 216
Unit 8	PHE 8 ASN 9 LEU 10 LYS 11 VAL 12 VAL 13 LEU 14 VAL 15 SER 16 PHE 17 LYS 18 GLN 19 CYS 20 LEU 21 THR 22 ASP 23 LYS 24 GLY 25 GLU 26 VAL 27 LEU 28 LEU 29 ASP 30 HIS 31 TYR 32 ILE 33 ALA 34 GLY 35 TRP 36 LYS 37 GLY 38 LEU 39 VAL 40 ARG 41 PHE 42 LEU 43 ASN 44 SER 45 LEU 46 GLY 47 ALA 48 VAL 49 PHE 50 SER 51 PHE 52 ILE 53 SER 54 LYS 55 ASP 56 VAL 57 VAL 58 ALA 59 LYS 60 LEU 61 GLN 62 ILE 63 MET 64 GLU 65 ARG 66 LEU 67 ARG 68 SER 69 SER 70 PRO 71 GLN 72 SER 73 GLU 74 HIS 75 TYR 76 THR 77 SER 78 LEU 79 GLN 80 SER 81 MET 82 VAL 83 ALA 84 TYR 85 GLU 86 VAL 87 SER 88 ASN 89 LYS 90 LEU 91 VAL 92 ASP 93 MET 94 ASP 95 HIS 96 ARG 101 HIS 102 PRO 103 HIS 104 SER 105 GLY 106 CYS 107 ARG 108 THR 109 VAL 110 LEU 111 ARG 112 LEU 113 HIS 114 ARG 115 ALA 116 LEU 117 HIS 118 TRP 119 LEU 120 GLN 121 LEU 122 PHE 123 LEU 124 ASP 125 GLY 126 LEU 127 ARG 128 THR 129 SER 130 SER 131 GLU 132 ARG 135 THR 136 SER 137 THR 138 LEU 139 CYS 140 SER 141 GLU 142 ALA 143 TYR 144 ASN 145 ALA 146 THR 147 LEU 148 ALA 149 ASN 150 TYR 151 HIS 152 SER 153 TRP 154 ILE 155 VAL 156 ARG 157 GLN 158 ALA 159 VAL 160 THR 161 VAL 162 ALA 163 PHE 164 CYS 165 ALA 166 LEU 167 PRO 168 SER 169 ARG 170 LYS 171 VAL 172 PHE 173 LEU 174 GLU 175 ALA 176 MET 177 ASN 178 MET 179 GLU 180 SER 181 THR 182 GLU 183 GLN 184 ALA 185 VAL 186 GLU 187 MET 188 LEU 189 GLY 190 GLU 191 ALA 192 LEU 193 PRO 194 PHE 195 ILE 196 GLU 197 HIS 198 VAL 199 TYR 200 ASP 201 ILE 202 SER 203 GLN 204 LYS 205 LEU 206 TYR 207 ALA 208 GLU 209 HIS 210 SER 211 LEU 212 LEU 213 ASP 214 LEU 215 PRO 216

Ligands

Unit 9	PO4 301
Unit 10	PO4 301
Unit 11	PO4 301
Unit 12	PO4 301
Unit 13	PO4 301
Unit 14	PO4 301
Unit 15	PO4 301
Unit 16	PO4 301