1MSK - Sequence, Chains, Asymmetric and Biological Units

• Title: METHIONINE SYNTHASE (ACTIVATION DOMAIN)
• Keywords: METHYLTRANSFERASE, TRANSFERASE, METHIONINE BIOSYNTHESIS, VITAMIN B12
• Experiment: X-ray diffraction
• Number of Models: 1

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

Asymmetric unit from PDB

Unit	Type	Name	Chain ID	Residues	Atoms	Hetatoms
1	Protein	COBALAMIN-DEPENDENT METHIONINE SYNTHASE	A	327	2630	0
2	Ligand	COBALAMIN-DEPENDENT METHIONINE SYNTHASE	A	2	0	31
3	Water			212	0	212
total				541	2630	243

Proteins

Unit 1

THR 901 PRO 902 PRO 903 VAL 904 THR 905 LEU 906 GLU 907 ALA 908 ALA 909 ARG 910 ASP 911 ASN 912 ASP 913 PHE 914 ALA 915 PHE 916 ASP 917 TRP 918 GLN 919 ALA 920 TYR 921 THR 922 PRO 923 PRO 924 VAL 925 ALA 926 HIS 927 ARG 928 LEU 929 GLY 930 VAL 931 GLN 932 GLU 933 VAL 934 GLU 935 ALA 936 SER 937 ILE 938 GLU 939 THR 940 LEU 941 ARG 942 ASN 943 TYR 944 ILE 945 ASP 946 TRP 947 THR 948 PRO 949 PHE 950 PHE 951 MET 952 THR 953 TRP 954 SER 955 LEU 956 ALA 957 GLY 958 LYS 959 TYR 960 PRO 961 ARG 962 ILE 963 LEU 964 GLU 965 ASP 966 GLU 967 VAL 968 VAL 969 GLY 970 VAL 971 GLU 972 ALA 973 GLN 974 ARG 975 LEU 976 PHE 977 LYS 978 ASP 979 ALA 980 ASN 981 ASP 982 MET 983 LEU 984 ASP 985 LYS 986 LEU 987 SER 988 ALA 989 GLU 990 LYS 991 THR 992 LEU 993 ASN 994 PRO 995 ARG 996 GLY 997 VAL 998 VAL 999 GLY 1000 LEU 1001 PHE 1002 PRO 1003 ALA 1004 ASN 1005 ARG 1006 VAL 1007 GLY 1008 ASP 1009 ASP 1010 ILE 1011 GLU 1012 ILE 1013 TYR 1014 ARG 1015 ASP 1016 GLU 1017 THR 1018 ARG 1019 THR 1020 HIS 1021 VAL 1022 ILE 1023 ASN 1024 VAL 1025 SER 1026 HIS 1027 HIS 1028 LEU 1029 ARG 1030 GLN 1031 GLN 1032 THR 1033 GLU 1034 LYS 1035 THR 1036 GLY 1037 PHE 1038 ALA 1039 ASN 1040 TYR 1041 CYS 1042 LEU 1043 ALA 1044 ASP 1045 PHE 1046 VAL 1047 ALA 1048 PRO 1049 LYS 1050 LEU 1051 SER 1052 GLY 1053 LYS 1054 ALA 1055 ASP 1056 TYR 1057 ILE 1058 GLY 1059 ALA 1060 PHE 1061 ALA 1062 VAL 1063 THR 1064 GLY 1065 GLY 1066 LEU 1067 GLU 1068 GLU 1069 ASP 1070 ALA 1071 LEU 1072 ALA 1073 ASP 1074 ALA 1075 PHE 1076 GLU 1077 ALA 1078 GLN 1079 HIS 1080 ASP 1081 ASP 1082 TYR 1083 ASN 1084 LYS 1085 ILE 1086 MET 1087 VAL 1088 LYS 1089 ALA 1090 LEU 1091 ALA 1092 ASP 1093 ARG 1094 LEU 1095 ALA 1096 GLU 1097 ALA 1098 PHE 1099 ALA 1100 GLU 1101 TYR 1102 LEU 1103 HIS 1104 GLU 1105 ARG 1106 VAL 1107 ARG 1108 LYS 1109 VAL 1110 TYR 1111 TRP 1112 GLY 1113 TYR 1114 ALA 1115 PRO 1116 ASN 1117 GLU 1118 ASN 1119 LEU 1120 SER 1121 ASN 1122 GLU 1123 GLU 1124 LEU 1125 ILE 1126 ARG 1127 GLU 1128 ASN 1129 TYR 1130 GLN 1131 GLY 1132 ILE 1133 ARG 1134 PRO 1135 ALA 1136 PRO 1137 GLY 1138 TYR 1139 PRO 1140 ALA 1141 CYS 1142 PRO 1143 GLU 1144 HIS 1145 THR 1146 GLU 1147 LYS 1148 ALA 1149 THR 1150 ILE 1151 TRP 1152 GLU 1153 LEU 1154 LEU 1155 GLU 1156 VAL 1157 GLU 1158 LYS 1159 HIS 1160 THR 1161 GLY 1162 MET 1163 LYS 1164 LEU 1165 THR 1166 GLU 1167 SER 1168 PHE 1169 ALA 1170 MET 1171 TRP 1172 PRO 1173 GLY 1174 ALA 1175 SER 1176 VAL 1177 SER 1178 GLY 1179 TRP 1180 TYR 1181 PHE 1182 SER 1183 HIS 1184 PRO 1185 ASP 1186 SER 1187 LYS 1188 TYR 1189 TYR 1190 ALA 1191 VAL 1192 ALA 1193 GLN 1194 ILE 1195 GLN 1196 ARG 1197 ASP 1198 GLN 1199 VAL 1200 GLU 1201 ASP 1202 TYR 1203 ALA 1204 ARG 1205 ARG 1206 LYS 1207 GLY 1208 MET 1209 SER 1210 VAL 1211 THR 1212 GLU 1213 VAL 1214 GLU 1215 ARG 1216 TRP 1217 LEU 1218 ALA 1219 PRO 1220 ASN 1221 LEU 1222 GLY 1223 TYR 1224 ASP 1225 ALA 1226 ASP 1227

Ligands

Unit 2

SAM 1301 ACT 1302