0.012253 0.007074 0.000000 0.000000 0.014148 0.000000 0.000000 0.000000 0.004412 0.00000 0.00000 0.00000 Chimento, D.P. Mohanty, A.K. Kadner, R.J. Wiener, M.C. http://mmcif.pdb.org/dictionaries/ascii/mmcif_pdbx.dic 6 90.00 90.00 120.00 81.614 81.614 226.653 C3 H7 N O2 89.093 y ALANINE L-peptide linking C6 H15 N4 O2 1 175.209 y ARGININE L-peptide linking C4 H8 N2 O3 132.118 y ASPARAGINE L-peptide linking C4 H7 N O4 133.103 y ASPARTIC ACID L-peptide linking C16 H34 O5 306.438 (HYDROXYETHYLOXY)TRI(ETHYLOXY)OCTANE non-polymer C5 H10 N2 O3 146.144 y GLUTAMINE L-peptide linking C5 H9 N O4 147.129 y GLUTAMIC ACID L-peptide linking C2 H5 N O2 75.067 y GLYCINE peptide linking C6 H10 N3 O2 1 156.162 y HISTIDINE L-peptide linking H2 O 18.015 WATER non-polymer C6 H13 N O2 131.173 y ISOLEUCINE L-peptide linking C6 H13 N O2 131.173 y LEUCINE L-peptide linking C6 H15 N2 O2 1 147.195 y LYSINE L-peptide linking C5 H11 N O2 S 149.211 y METHIONINE L-peptide linking Mg 2 24.305 MAGNESIUM ION non-polymer C5 H11 N O2 Se 196.106 n SELENOMETHIONINE L-peptide linking C9 H11 N O2 165.189 y PHENYLALANINE L-peptide linking C5 H9 N O2 115.130 y PROLINE L-peptide linking C3 H7 N O3 105.093 y SERINE L-peptide linking C4 H9 N O3 119.119 y THREONINE L-peptide linking C11 H12 N2 O2 204.225 y TRYPTOPHAN L-peptide linking C9 H11 N O3 181.189 y TYROSINE L-peptide linking C5 H11 N O2 117.146 y VALINE L-peptide linking US Nat.Struct.Biol. NSBIEW 2024 1072-8368 10 394 401 10.1038/nsb914 12652322 Substrate-induced transmembrane signaling in the cobalamin transporter BtuB 2003 DK Acta Crystallogr.,Sect.D ABCRE6 0766 0907-4449 59 509 511 10.1107/S0907444903000052 Crystallization and initial X-ray diffraction of BtuB, the integral membrane cobalamin transporter of Escherichia coli 2003 10.2210/pdb1nqf/pdb pdb_00001nqf 1.000000 0.000000 0.000000 0.000000 1.000000 0.000000 0.000000 0.000000 1.000000 0.00000 0.00000 0.00000 100 1 Rosenbaum-Rock vertical focusing mirror CCD 2002-03-05 SBC-2 Rosenbaum-Rock high-resolution double-crystal sagittal focusing SINGLE WAVELENGTH M x-ray 1 0.9790 1.0 19-ID APS 0.9790 SYNCHROTRON APS BEAMLINE 19-ID 66669.500 Vitamin B12 receptor W317M, K319M, T321M, W516M, I518M, Y520M 1 man polymer 24.305 MAGNESIUM ION 1 syn non-polymer 306.438 (HYDROXYETHYLOXY)TRI(ETHYLOXY)OCTANE 6 syn non-polymer 18.015 water 69 nat water OUTER MEMBRANE COBALAMIN TRANSPORTER BTUB no yes QDTSPDTLVVTANRFEQPRSTVLAPTTVVTRQDIDRWQSTSVNDVLRRLPGVDITQNGGSGQLSSIFIRGTNASHVLVLI DGVRLNLAGVSGSADLSQFPIALVQRVEYIRGPRSAVYGSDAIGGVVNIITTRDEPGTEISAGWGSNSYQNYDVSTQQQL GDKTRVTLLGDYAHTHGYDVVAYGNTGTQAQTDNDGFLSKTLYGALEHNFTDAWSGFVRGYGYDNRTNYDAYYSPGSPLL DTRKLYSQSWDAGLRYNGELIKSQLITSYSHSKDYNYDPHYGRYDSSATLDE(MSE)KQYTVQWANNVIVGHGSIGAGVD (MSE)Q(MSE)Q(MSE)TTPGTGYVEDGYDQRNTGIYLTGLQQVGDFTFEGAARSDDNSQFGRHGTWQTSAGWEFIEGYR FIASYGTSYKAPNLGQLYGFYGNPNLDPEKSKQWEGAFEGLTAGVNWRISGYRNDVSDLIDYDDHTLKYYNEGKARIKGV EATANFDTGPLTHTVSYDYVDARNAITDTPLLRRAKQQVKYQLDWQLYDFD(MSE)G(MSE)T(MSE)QYLGTRYDKDYS SYPYQTVK(MSE)GGVSLWDLAVAYPVTSHLTVRGKIANLFDKDYETVYGYQTAGREYTLSGSYTF QDTSPDTLVVTANRFEQPRSTVLAPTTVVTRQDIDRWQSTSVNDVLRRLPGVDITQNGGSGQLSSIFIRGTNASHVLVLI DGVRLNLAGVSGSADLSQFPIALVQRVEYIRGPRSAVYGSDAIGGVVNIITTRDEPGTEISAGWGSNSYQNYDVSTQQQL GDKTRVTLLGDYAHTHGYDVVAYGNTGTQAQTDNDGFLSKTLYGALEHNFTDAWSGFVRGYGYDNRTNYDAYYSPGSPLL DTRKLYSQSWDAGLRYNGELIKSQLITSYSHSKDYNYDPHYGRYDSSATLDEMKQYTVQWANNVIVGHGSIGAGVDMQMQ MTTPGTGYVEDGYDQRNTGIYLTGLQQVGDFTFEGAARSDDNSQFGRHGTWQTSAGWEFIEGYRFIASYGTSYKAPNLGQ LYGFYGNPNLDPEKSKQWEGAFEGLTAGVNWRISGYRNDVSDLIDYDDHTLKYYNEGKARIKGVEATANFDTGPLTHTVS YDYVDARNAITDTPLLRRAKQQVKYQLDWQLYDFDMGMTMQYLGTRYDKDYSSYPYQTVKMGGVSLWDLAVAYPVTSHLT VRGKIANLFDKDYETVYGYQTAGREYTLSGSYTF A polypeptide(L) n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n Escherichia Escherichia sample btuB 562 Escherichia coli 562 Escherichia coli B834(DE3)plysS plasmid pET22b 1 3.27 62.36 VAPOR DIFFUSION, SITTING DROP 6.6 PEG3350, MAGNESIUM ACETATE, BIS-TRIS, N-OCTYL TETRAOXYETHELYENE, tris-(2-carboxyethyl)phosphine hydrochloride , pH 6.6, VAPOR DIFFUSION, SITTING DROP, temperature 293K 293 software software struct_conn database_2 struct_conn struct_ref_seq_dif struct_site repository Initial release Version format compliance Advisory Version format compliance Refinement description Data collection Derived calculations Refinement description Database references Derived calculations 1 0 2003-04-29 1 1 2008-04-29 1 2 2011-07-13 1 3 2017-10-11 1 4 2019-07-24 1 5 2021-10-27 _software.classification _software.name _software.version _struct_conn.pdbx_leaving_atom_flag _database_2.pdbx_DOI _database_2.pdbx_database_accession _struct_conn.ptnr1_auth_comp_id _struct_conn.ptnr1_auth_seq_id _struct_conn.ptnr1_label_asym_id _struct_conn.ptnr1_label_atom_id _struct_conn.ptnr1_label_comp_id _struct_conn.ptnr1_label_seq_id _struct_conn.ptnr1_symmetry _struct_conn.ptnr2_auth_comp_id _struct_conn.ptnr2_auth_seq_id _struct_conn.ptnr2_label_asym_id _struct_conn.ptnr2_label_atom_id _struct_conn.ptnr2_label_comp_id _struct_conn.ptnr2_label_seq_id _struct_conn.ptnr2_symmetry _struct_ref_seq_dif.details _struct_site.pdbx_auth_asym_id _struct_site.pdbx_auth_comp_id _struct_site.pdbx_auth_seq_id OUTER MEMBRANE COBALAMIN TRANSPORTER (BTUB) FROM E. COLI OUTER MEMBRANE COBALAMIN TRANSPORTER (BTUB) FROM E. COLI, WITH BOUND CALCIUM OUTER MEMBRANE COBALAMIN TRANSPORTER (BTUB) FROM E. COLI, WITH BOUND CALCIUM AND CYANOCOBALAMIN (VITAMIN B12) SUBSTRATE RCSB Y RCSB 2003-01-21 REL REL MG MAGNESIUM ION C8E (HYDROXYETHYLOXY)TRI(ETHYLOXY)OCTANE HOH water MG 1 2 MG MG 806 A C8E 800 3 C8E C8E 800 A C8E 801 3 C8E C8E 801 A C8E 802 3 C8E C8E 802 A C8E 803 3 C8E C8E 803 A C8E 804 3 C8E C8E 804 A C8E 805 3 C8E C8E 805 A HOH 1 4 HOH HOH 807 A HOH 2 4 HOH HOH 808 A HOH 3 4 HOH HOH 809 A HOH 4 4 HOH HOH 810 A HOH 5 4 HOH HOH 811 A HOH 6 4 HOH HOH 812 A HOH 7 4 HOH HOH 813 A HOH 8 4 HOH HOH 814 A HOH 9 4 HOH HOH 815 A HOH 10 4 HOH HOH 816 A HOH 11 4 HOH HOH 817 A HOH 12 4 HOH HOH 818 A HOH 13 4 HOH HOH 819 A HOH 14 4 HOH HOH 820 A HOH 15 4 HOH HOH 821 A HOH 16 4 HOH HOH 822 A HOH 17 4 HOH HOH 823 A HOH 18 4 HOH HOH 824 A HOH 19 4 HOH HOH 825 A HOH 20 4 HOH HOH 826 A HOH 21 4 HOH HOH 827 A HOH 22 4 HOH HOH 828 A HOH 23 4 HOH HOH 829 A HOH 24 4 HOH HOH 830 A HOH 25 4 HOH HOH 831 A HOH 26 4 HOH HOH 832 A HOH 27 4 HOH HOH 833 A HOH 28 4 HOH HOH 834 A HOH 29 4 HOH HOH 835 A HOH 30 4 HOH HOH 836 A HOH 31 4 HOH HOH 837 A HOH 32 4 HOH HOH 838 A HOH 33 4 HOH HOH 839 A HOH 34 4 HOH HOH 840 A HOH 35 4 HOH HOH 841 A HOH 36 4 HOH HOH 842 A HOH 37 4 HOH HOH 843 A HOH 38 4 HOH HOH 844 A HOH 39 4 HOH HOH 845 A HOH 40 4 HOH HOH 846 A HOH 41 4 HOH HOH 847 A HOH 42 4 HOH HOH 848 A HOH 43 4 HOH HOH 849 A HOH 44 4 HOH HOH 850 A HOH 45 4 HOH HOH 851 A HOH 46 4 HOH HOH 852 A HOH 47 4 HOH HOH 853 A HOH 48 4 HOH HOH 854 A HOH 49 4 HOH HOH 855 A HOH 50 4 HOH HOH 856 A HOH 51 4 HOH HOH 857 A HOH 52 4 HOH HOH 858 A HOH 53 4 HOH HOH 859 A HOH 54 4 HOH HOH 860 A HOH 55 4 HOH HOH 861 A HOH 56 4 HOH HOH 862 A HOH 57 4 HOH HOH 863 A HOH 58 4 HOH HOH 864 A HOH 59 4 HOH HOH 865 A HOH 60 4 HOH HOH 866 A HOH 61 4 HOH HOH 867 A HOH 62 4 HOH HOH 868 A HOH 63 4 HOH HOH 869 A HOH 64 4 HOH HOH 870 A HOH 65 4 HOH HOH 871 A HOH 66 4 HOH HOH 872 A HOH 67 4 HOH HOH 873 A HOH 68 4 HOH HOH 874 A HOH 69 4 HOH HOH 875 A n 1 1 A n 2 2 A n 3 3 A n 4 4 A n 5 5 A n 6 6 A THR 7 n 7 THR 7 A LEU 8 n 8 LEU 8 A VAL 9 n 9 VAL 9 A VAL 10 n 10 VAL 10 A THR 11 n 11 THR 11 A ALA 12 n 12 ALA 12 A ASN 13 n 13 ASN 13 A ARG 14 n 14 ARG 14 A PHE 15 n 15 PHE 15 A GLU 16 n 16 GLU 16 A GLN 17 n 17 GLN 17 A PRO 18 n 18 PRO 18 A ARG 19 n 19 ARG 19 A SER 20 n 20 SER 20 A THR 21 n 21 THR 21 A VAL 22 n 22 VAL 22 A LEU 23 n 23 LEU 23 A ALA 24 n 24 ALA 24 A PRO 25 n 25 PRO 25 A THR 26 n 26 THR 26 A THR 27 n 27 THR 27 A VAL 28 n 28 VAL 28 A VAL 29 n 29 VAL 29 A THR 30 n 30 THR 30 A ARG 31 n 31 ARG 31 A GLN 32 n 32 GLN 32 A ASP 33 n 33 ASP 33 A ILE 34 n 34 ILE 34 A ASP 35 n 35 ASP 35 A ARG 36 n 36 ARG 36 A TRP 37 n 37 TRP 37 A GLN 38 n 38 GLN 38 A SER 39 n 39 SER 39 A THR 40 n 40 THR 40 A SER 41 n 41 SER 41 A VAL 42 n 42 VAL 42 A ASN 43 n 43 ASN 43 A ASP 44 n 44 ASP 44 A VAL 45 n 45 VAL 45 A LEU 46 n 46 LEU 46 A ARG 47 n 47 ARG 47 A ARG 48 n 48 ARG 48 A LEU 49 n 49 LEU 49 A PRO 50 n 50 PRO 50 A GLY 51 n 51 GLY 51 A VAL 52 n 52 VAL 52 A ASP 53 n 53 ASP 53 A ILE 54 n 54 ILE 54 A THR 55 n 55 THR 55 A GLN 56 n 56 GLN 56 A ASN 57 n 57 ASN 57 A GLY 58 n 58 GLY 58 A GLY 59 n 59 GLY 59 A SER 60 n 60 SER 60 A GLY 61 n 61 GLY 61 A GLN 62 n 62 GLN 62 A LEU 63 n 63 LEU 63 A SER 64 n 64 SER 64 A SER 65 n 65 SER 65 A ILE 66 n 66 ILE 66 A PHE 67 n 67 PHE 67 A ILE 68 n 68 ILE 68 A ARG 69 n 69 ARG 69 A GLY 70 n 70 GLY 70 A THR 71 n 71 THR 71 A ASN 72 n 72 ASN 72 A ALA 73 n 73 ALA 73 A SER 74 n 74 SER 74 A HIS 75 n 75 HIS 75 A VAL 76 n 76 VAL 76 A LEU 77 n 77 LEU 77 A VAL 78 n 78 VAL 78 A LEU 79 n 79 LEU 79 A ILE 80 n 80 ILE 80 A ASP 81 n 81 ASP 81 A GLY 82 n 82 GLY 82 A VAL 83 n 83 VAL 83 A ARG 84 n 84 ARG 84 A LEU 85 n 85 LEU 85 A ASN 86 n 86 ASN 86 A LEU 87 n 87 LEU 87 A ALA 88 n 88 ALA 88 A GLY 89 n 89 GLY 89 A VAL 90 n 90 VAL 90 A SER 91 n 91 SER 91 A GLY 92 n 92 GLY 92 A SER 93 n 93 SER 93 A ALA 94 n 94 ALA 94 A ASP 95 n 95 ASP 95 A LEU 96 n 96 LEU 96 A SER 97 n 97 SER 97 A GLN 98 n 98 GLN 98 A PHE 99 n 99 PHE 99 A PRO 100 n 100 PRO 100 A ILE 101 n 101 ILE 101 A ALA 102 n 102 ALA 102 A LEU 103 n 103 LEU 103 A VAL 104 n 104 VAL 104 A GLN 105 n 105 GLN 105 A ARG 106 n 106 ARG 106 A VAL 107 n 107 VAL 107 A GLU 108 n 108 GLU 108 A TYR 109 n 109 TYR 109 A ILE 110 n 110 ILE 110 A ARG 111 n 111 ARG 111 A GLY 112 n 112 GLY 112 A PRO 113 n 113 PRO 113 A ARG 114 n 114 ARG 114 A SER 115 n 115 SER 115 A ALA 116 n 116 ALA 116 A VAL 117 n 117 VAL 117 A TYR 118 n 118 TYR 118 A GLY 119 n 119 GLY 119 A SER 120 n 120 SER 120 A ASP 121 n 121 ASP 121 A ALA 122 n 122 ALA 122 A ILE 123 n 123 ILE 123 A GLY 124 n 124 GLY 124 A GLY 125 n 125 GLY 125 A VAL 126 n 126 VAL 126 A VAL 127 n 127 VAL 127 A ASN 128 n 128 ASN 128 A ILE 129 n 129 ILE 129 A ILE 130 n 130 ILE 130 A THR 131 n 131 THR 131 A THR 132 n 132 THR 132 A ARG 133 n 133 ARG 133 A ASP 134 n 134 ASP 134 A GLU 135 n 135 GLU 135 A PRO 136 n 136 PRO 136 A GLY 137 n 137 GLY 137 A THR 138 n 138 THR 138 A GLU 139 n 139 GLU 139 A ILE 140 n 140 ILE 140 A SER 141 n 141 SER 141 A ALA 142 n 142 ALA 142 A GLY 143 n 143 GLY 143 A TRP 144 n 144 TRP 144 A GLY 145 n 145 GLY 145 A SER 146 n 146 SER 146 A ASN 147 n 147 ASN 147 A SER 148 n 148 SER 148 A TYR 149 n 149 TYR 149 A GLN 150 n 150 GLN 150 A ASN 151 n 151 ASN 151 A TYR 152 n 152 TYR 152 A ASP 153 n 153 ASP 153 A VAL 154 n 154 VAL 154 A SER 155 n 155 SER 155 A THR 156 n 156 THR 156 A GLN 157 n 157 GLN 157 A GLN 158 n 158 GLN 158 A GLN 159 n 159 GLN 159 A LEU 160 n 160 LEU 160 A GLY 161 n 161 GLY 161 A ASP 162 n 162 ASP 162 A LYS 163 n 163 LYS 163 A THR 164 n 164 THR 164 A ARG 165 n 165 ARG 165 A VAL 166 n 166 VAL 166 A THR 167 n 167 THR 167 A LEU 168 n 168 LEU 168 A LEU 169 n 169 LEU 169 A GLY 170 n 170 GLY 170 A ASP 171 n 171 ASP 171 A TYR 172 n 172 TYR 172 A ALA 173 n 173 ALA 173 A HIS 174 n 174 HIS 174 A THR 175 n 175 THR 175 A HIS 176 n 176 HIS 176 A n 177 177 A n 178 178 A n 179 179 A n 180 180 A n 181 181 A n 182 182 A n 183 183 A n 184 184 A n 185 185 A n 186 186 A n 187 187 A n 188 188 A n 189 189 A n 190 190 A n 191 191 A n 192 192 A n 193 193 A n 194 194 A n 195 195 A GLY 196 n 196 GLY 196 A PHE 197 n 197 PHE 197 A LEU 198 n 198 LEU 198 A SER 199 n 199 SER 199 A LYS 200 n 200 LYS 200 A THR 201 n 201 THR 201 A LEU 202 n 202 LEU 202 A TYR 203 n 203 TYR 203 A GLY 204 n 204 GLY 204 A ALA 205 n 205 ALA 205 A LEU 206 n 206 LEU 206 A GLU 207 n 207 GLU 207 A HIS 208 n 208 HIS 208 A ASN 209 n 209 ASN 209 A PHE 210 n 210 PHE 210 A THR 211 n 211 THR 211 A ASP 212 n 212 ASP 212 A ALA 213 n 213 ALA 213 A TRP 214 n 214 TRP 214 A SER 215 n 215 SER 215 A GLY 216 n 216 GLY 216 A PHE 217 n 217 PHE 217 A VAL 218 n 218 VAL 218 A ARG 219 n 219 ARG 219 A GLY 220 n 220 GLY 220 A TYR 221 n 221 TYR 221 A GLY 222 n 222 GLY 222 A TYR 223 n 223 TYR 223 A ASP 224 n 224 ASP 224 A ASN 225 n 225 ASN 225 A ARG 226 n 226 ARG 226 A THR 227 n 227 THR 227 A ASN 228 n 228 ASN 228 A n 229 229 A n 230 230 A n 231 231 A n 232 232 A n 233 233 A n 234 234 A n 235 235 A n 236 236 A n 237 237 A n 238 238 A n 239 239 A n 240 240 A ASP 241 n 241 ASP 241 A THR 242 n 242 THR 242 A ARG 243 n 243 ARG 243 A LYS 244 n 244 LYS 244 A LEU 245 n 245 LEU 245 A TYR 246 n 246 TYR 246 A SER 247 n 247 SER 247 A GLN 248 n 248 GLN 248 A SER 249 n 249 SER 249 A TRP 250 n 250 TRP 250 A ASP 251 n 251 ASP 251 A ALA 252 n 252 ALA 252 A GLY 253 n 253 GLY 253 A LEU 254 n 254 LEU 254 A ARG 255 n 255 ARG 255 A TYR 256 n 256 TYR 256 A ASN 257 n 257 ASN 257 A GLY 258 n 258 GLY 258 A GLU 259 n 259 GLU 259 A LEU 260 n 260 LEU 260 A ILE 261 n 261 ILE 261 A LYS 262 n 262 LYS 262 A SER 263 n 263 SER 263 A GLN 264 n 264 GLN 264 A LEU 265 n 265 LEU 265 A ILE 266 n 266 ILE 266 A THR 267 n 267 THR 267 A SER 268 n 268 SER 268 A TYR 269 n 269 TYR 269 A SER 270 n 270 SER 270 A HIS 271 n 271 HIS 271 A SER 272 n 272 SER 272 A LYS 273 n 273 LYS 273 A ASP 274 n 274 ASP 274 A TYR 275 n 275 TYR 275 A ASN 276 n 276 ASN 276 A TYR 277 n 277 TYR 277 A n 278 278 A n 279 279 A n 280 280 A n 281 281 A n 282 282 A n 283 283 A n 284 284 A n 285 285 A n 286 286 A n 287 287 A ALA 288 n 288 ALA 288 A THR 289 n 289 THR 289 A LEU 290 n 290 LEU 290 A ASP 291 n 291 ASP 291 A GLU 292 n 292 GLU 292 A MSE 293 n 293 MSE 293 A LYS 294 n 294 LYS 294 A GLN 295 n 295 GLN 295 A TYR 296 n 296 TYR 296 A THR 297 n 297 THR 297 A VAL 298 n 298 VAL 298 A GLN 299 n 299 GLN 299 A TRP 300 n 300 TRP 300 A ALA 301 n 301 ALA 301 A ASN 302 n 302 ASN 302 A ASN 303 n 303 ASN 303 A VAL 304 n 304 VAL 304 A ILE 305 n 305 ILE 305 A VAL 306 n 306 VAL 306 A GLY 307 n 307 GLY 307 A HIS 308 n 308 HIS 308 A GLY 309 n 309 GLY 309 A SER 310 n 310 SER 310 A ILE 311 n 311 ILE 311 A GLY 312 n 312 GLY 312 A ALA 313 n 313 ALA 313 A GLY 314 n 314 GLY 314 A VAL 315 n 315 VAL 315 A ASP 316 n 316 ASP 316 A MSE 317 n 317 MSE 317 A GLN 318 n 318 GLN 318 A MSE 319 n 319 MSE 319 A GLN 320 n 320 GLN 320 A MSE 321 n 321 MSE 321 A THR 322 n 322 THR 322 A THR 323 n 323 THR 323 A PRO 324 n 324 PRO 324 A GLY 325 n 325 GLY 325 A THR 326 n 326 THR 326 A GLY 327 n 327 GLY 327 A n 328 328 A n 329 329 A n 330 330 A ASP 331 n 331 ASP 331 A GLY 332 n 332 GLY 332 A TYR 333 n 333 TYR 333 A ASP 334 n 334 ASP 334 A GLN 335 n 335 GLN 335 A ARG 336 n 336 ARG 336 A ASN 337 n 337 ASN 337 A THR 338 n 338 THR 338 A GLY 339 n 339 GLY 339 A ILE 340 n 340 ILE 340 A TYR 341 n 341 TYR 341 A LEU 342 n 342 LEU 342 A THR 343 n 343 THR 343 A GLY 344 n 344 GLY 344 A LEU 345 n 345 LEU 345 A GLN 346 n 346 GLN 346 A GLN 347 n 347 GLN 347 A VAL 348 n 348 VAL 348 A GLY 349 n 349 GLY 349 A ASP 350 n 350 ASP 350 A PHE 351 n 351 PHE 351 A THR 352 n 352 THR 352 A PHE 353 n 353 PHE 353 A GLU 354 n 354 GLU 354 A GLY 355 n 355 GLY 355 A ALA 356 n 356 ALA 356 A ALA 357 n 357 ALA 357 A ARG 358 n 358 ARG 358 A SER 359 n 359 SER 359 A ASP 360 n 360 ASP 360 A ASP 361 n 361 ASP 361 A ASN 362 n 362 ASN 362 A SER 363 n 363 SER 363 A GLN 364 n 364 GLN 364 A PHE 365 n 365 PHE 365 A GLY 366 n 366 GLY 366 A ARG 367 n 367 ARG 367 A HIS 368 n 368 HIS 368 A GLY 369 n 369 GLY 369 A THR 370 n 370 THR 370 A TRP 371 n 371 TRP 371 A GLN 372 n 372 GLN 372 A THR 373 n 373 THR 373 A SER 374 n 374 SER 374 A ALA 375 n 375 ALA 375 A GLY 376 n 376 GLY 376 A TRP 377 n 377 TRP 377 A GLU 378 n 378 GLU 378 A PHE 379 n 379 PHE 379 A ILE 380 n 380 ILE 380 A GLU 381 n 381 GLU 381 A GLY 382 n 382 GLY 382 A TYR 383 n 383 TYR 383 A ARG 384 n 384 ARG 384 A PHE 385 n 385 PHE 385 A ILE 386 n 386 ILE 386 A ALA 387 n 387 ALA 387 A SER 388 n 388 SER 388 A TYR 389 n 389 TYR 389 A GLY 390 n 390 GLY 390 A THR 391 n 391 THR 391 A SER 392 n 392 SER 392 A TYR 393 n 393 TYR 393 A LYS 394 n 394 LYS 394 A ALA 395 n 395 ALA 395 A PRO 396 n 396 PRO 396 A ASN 397 n 397 ASN 397 A LEU 398 n 398 LEU 398 A GLY 399 n 399 GLY 399 A GLN 400 n 400 GLN 400 A LEU 401 n 401 LEU 401 A TYR 402 n 402 TYR 402 A GLY 403 n 403 GLY 403 A PHE 404 n 404 PHE 404 A TYR 405 n 405 TYR 405 A GLY 406 n 406 GLY 406 A ASN 407 n 407 ASN 407 A PRO 408 n 408 PRO 408 A ASN 409 n 409 ASN 409 A LEU 410 n 410 LEU 410 A ASP 411 n 411 ASP 411 A PRO 412 n 412 PRO 412 A GLU 413 n 413 GLU 413 A LYS 414 n 414 LYS 414 A SER 415 n 415 SER 415 A LYS 416 n 416 LYS 416 A GLN 417 n 417 GLN 417 A TRP 418 n 418 TRP 418 A GLU 419 n 419 GLU 419 A GLY 420 n 420 GLY 420 A ALA 421 n 421 ALA 421 A PHE 422 n 422 PHE 422 A GLU 423 n 423 GLU 423 A GLY 424 n 424 GLY 424 A LEU 425 n 425 LEU 425 A THR 426 n 426 THR 426 A ALA 427 n 427 ALA 427 A GLY 428 n 428 GLY 428 A VAL 429 n 429 VAL 429 A ASN 430 n 430 ASN 430 A TRP 431 n 431 TRP 431 A ARG 432 n 432 ARG 432 A ILE 433 n 433 ILE 433 A SER 434 n 434 SER 434 A GLY 435 n 435 GLY 435 A TYR 436 n 436 TYR 436 A ARG 437 n 437 ARG 437 A ASN 438 n 438 ASN 438 A ASP 439 n 439 ASP 439 A VAL 440 n 440 VAL 440 A SER 441 n 441 SER 441 A ASP 442 n 442 ASP 442 A LEU 443 n 443 LEU 443 A ILE 444 n 444 ILE 444 A ASP 445 n 445 ASP 445 A TYR 446 n 446 TYR 446 A ASP 447 n 447 ASP 447 A ASP 448 n 448 ASP 448 A HIS 449 n 449 HIS 449 A THR 450 n 450 THR 450 A LEU 451 n 451 LEU 451 A LYS 452 n 452 LYS 452 A TYR 453 n 453 TYR 453 A TYR 454 n 454 TYR 454 A ASN 455 n 455 ASN 455 A GLU 456 n 456 GLU 456 A GLY 457 n 457 GLY 457 A LYS 458 n 458 LYS 458 A ALA 459 n 459 ALA 459 A ARG 460 n 460 ARG 460 A ILE 461 n 461 ILE 461 A LYS 462 n 462 LYS 462 A GLY 463 n 463 GLY 463 A VAL 464 n 464 VAL 464 A GLU 465 n 465 GLU 465 A ALA 466 n 466 ALA 466 A THR 467 n 467 THR 467 A ALA 468 n 468 ALA 468 A ASN 469 n 469 ASN 469 A PHE 470 n 470 PHE 470 A ASP 471 n 471 ASP 471 A THR 472 n 472 THR 472 A GLY 473 n 473 GLY 473 A PRO 474 n 474 PRO 474 A LEU 475 n 475 LEU 475 A THR 476 n 476 THR 476 A HIS 477 n 477 HIS 477 A THR 478 n 478 THR 478 A VAL 479 n 479 VAL 479 A SER 480 n 480 SER 480 A TYR 481 n 481 TYR 481 A ASP 482 n 482 ASP 482 A TYR 483 n 483 TYR 483 A VAL 484 n 484 VAL 484 A ASP 485 n 485 ASP 485 A ALA 486 n 486 ALA 486 A ARG 487 n 487 ARG 487 A ASN 488 n 488 ASN 488 A ALA 489 n 489 ALA 489 A ILE 490 n 490 ILE 490 A THR 491 n 491 THR 491 A ASP 492 n 492 ASP 492 A THR 493 n 493 THR 493 A PRO 494 n 494 PRO 494 A LEU 495 n 495 LEU 495 A LEU 496 n 496 LEU 496 A ARG 497 n 497 ARG 497 A ARG 498 n 498 ARG 498 A ALA 499 n 499 ALA 499 A LYS 500 n 500 LYS 500 A GLN 501 n 501 GLN 501 A GLN 502 n 502 GLN 502 A VAL 503 n 503 VAL 503 A LYS 504 n 504 LYS 504 A TYR 505 n 505 TYR 505 A GLN 506 n 506 GLN 506 A LEU 507 n 507 LEU 507 A ASP 508 n 508 ASP 508 A TRP 509 n 509 TRP 509 A GLN 510 n 510 GLN 510 A LEU 511 n 511 LEU 511 A TYR 512 n 512 TYR 512 A ASP 513 n 513 ASP 513 A PHE 514 n 514 PHE 514 A ASP 515 n 515 ASP 515 A MSE 516 n 516 MSE 516 A GLY 517 n 517 GLY 517 A MSE 518 n 518 MSE 518 A THR 519 n 519 THR 519 A MSE 520 n 520 MSE 520 A GLN 521 n 521 GLN 521 A TYR 522 n 522 TYR 522 A LEU 523 n 523 LEU 523 A GLY 524 n 524 GLY 524 A THR 525 n 525 THR 525 A ARG 526 n 526 ARG 526 A TYR 527 n 527 TYR 527 A ASP 528 n 528 ASP 528 A LYS 529 n 529 LYS 529 A ASP 530 n 530 ASP 530 A TYR 531 n 531 TYR 531 A SER 532 n 532 SER 532 A SER 533 n 533 SER 533 A TYR 534 n 534 TYR 534 A PRO 535 n 535 PRO 535 A TYR 536 n 536 TYR 536 A GLN 537 n 537 GLN 537 A THR 538 n 538 THR 538 A VAL 539 n 539 VAL 539 A LYS 540 n 540 LYS 540 A MSE 541 n 541 MSE 541 A GLY 542 n 542 GLY 542 A GLY 543 n 543 GLY 543 A VAL 544 n 544 VAL 544 A SER 545 n 545 SER 545 A LEU 546 n 546 LEU 546 A TRP 547 n 547 TRP 547 A ASP 548 n 548 ASP 548 A LEU 549 n 549 LEU 549 A ALA 550 n 550 ALA 550 A VAL 551 n 551 VAL 551 A ALA 552 n 552 ALA 552 A TYR 553 n 553 TYR 553 A PRO 554 n 554 PRO 554 A VAL 555 n 555 VAL 555 A THR 556 n 556 THR 556 A SER 557 n 557 SER 557 A HIS 558 n 558 HIS 558 A LEU 559 n 559 LEU 559 A THR 560 n 560 THR 560 A VAL 561 n 561 VAL 561 A ARG 562 n 562 ARG 562 A GLY 563 n 563 GLY 563 A LYS 564 n 564 LYS 564 A ILE 565 n 565 ILE 565 A ALA 566 n 566 ALA 566 A ASN 567 n 567 ASN 567 A LEU 568 n 568 LEU 568 A PHE 569 n 569 PHE 569 A ASP 570 n 570 ASP 570 A LYS 571 n 571 LYS 571 A ASP 572 n 572 ASP 572 A TYR 573 n 573 TYR 573 A GLU 574 n 574 GLU 574 A THR 575 n 575 THR 575 A VAL 576 n 576 VAL 576 A TYR 577 n 577 TYR 577 A GLY 578 n 578 GLY 578 A TYR 579 n 579 TYR 579 A GLN 580 n 580 GLN 580 A THR 581 n 581 THR 581 A ALA 582 n 582 ALA 582 A GLY 583 n 583 GLY 583 A ARG 584 n 584 ARG 584 A GLU 585 n 585 GLU 585 A TYR 586 n 586 TYR 586 A THR 587 n 587 THR 587 A LEU 588 n 588 LEU 588 A SER 589 n 589 SER 589 A GLY 590 n 590 GLY 590 A SER 591 n 591 SER 591 A TYR 592 n 592 TYR 592 A THR 593 n 593 THR 593 A PHE 594 n 594 PHE 594 A 1.7816 0.2983 0.1404 1.0139 -0.2990 0.8986 -0.0115 0.2332 -0.1086 -0.0709 0.0090 0.0738 0.1536 -0.1557 0.0025 0.2834 0.1835 0.0359 0.1201 0.0099 0.1428 refined -6.3190 64.3165 24.7511 X-RAY DIFFRACTION 0.8155 -0.1433 0.0226 0.7878 0.1139 0.7500 0.0211 0.2159 -0.0279 -0.1179 -0.0118 0.0605 0.0597 -0.0695 -0.0092 0.2520 0.1591 0.0571 0.1347 0.0366 0.1354 refined -4.7088 65.6505 22.7514 X-RAY DIFFRACTION A 7 A 7 A 136 A 136 X-RAY DIFFRACTION 1 A 137 A 137 A 594 A 594 X-RAY DIFFRACTION 2 author_defined_assembly 1 monomeric A MSE 293 SELENOMETHIONINE A MSE 293 MET A MSE 317 SELENOMETHIONINE A MSE 317 MET A MSE 319 SELENOMETHIONINE A MSE 319 MET A MSE 321 SELENOMETHIONINE A MSE 321 MET A MSE 516 SELENOMETHIONINE A MSE 516 MET A MSE 518 SELENOMETHIONINE A MSE 518 MET A MSE 520 SELENOMETHIONINE A MSE 520 MET A MSE 541 SELENOMETHIONINE A MSE 541 MET 1.0000000000 0.0000000000 0.0000000000 0.0000000000 1.0000000000 0.0000000000 0.0000000000 0.0000000000 1.0000000000 1_555 x,y,z identity operation 0.0000000000 0.0000000000 0.0000000000 A N VAL 9 A N VAL 9 A O GLN 17 A O GLN 17 A N VAL 29 A N VAL 29 A O VAL 107 A O VAL 107 A N GLU 108 A N GLU 108 A O ASN 128 A O ASN 128 A O ILE 129 A O ILE 129 A N LEU 79 A N LEU 79 A N ASP 53 A N ASP 53 A O PHE 67 A O PHE 67 A N SER 141 A N SER 141 A O ASP 153 A O ASP 153 A N TYR 152 A N TYR 152 A O TYR 172 A O TYR 172 A N ALA 173 A N ALA 173 A O SER 199 A O SER 199 A N LEU 198 A N LEU 198 A O ARG 226 A O ARG 226 A N ARG 219 A N ARG 219 A O ASP 251 A O ASP 251 A N TYR 256 A N TYR 256 A O SER 263 A O SER 263 A N SER 268 A N SER 268 A O THR 297 A O THR 297 A N TYR 296 A N TYR 296 A O MSE 319 A O MSE 319 A N GLY 312 A N GLY 312 A O THR 343 A O THR 343 A N THR 338 A N THR 338 A O ASP 361 A O ASP 361 A N ARG 358 A N ARG 358 A O THR 370 A O THR 370 A N TRP 377 A N TRP 377 A O PHE 385 A O PHE 385 A N SER 392 A N SER 392 A O SER 415 A O SER 415 A N LYS 414 A N LYS 414 A O SER 441 A O SER 441 A N VAL 440 A N VAL 440 A O ALA 459 A O ALA 459 A N PHE 470 A N PHE 470 A O HIS 477 A O HIS 477 A N SER 480 A N SER 480 A O LYS 504 A O LYS 504 A N TYR 505 A N TYR 505 A O MSE 520 A O MSE 520 A N ASP 515 A N ASP 515 A O ALA 552 A O ALA 552 A N VAL 551 A N VAL 551 A O GLY 563 A O GLY 563 A N ARG 562 A N ARG 562 A O SER 589 A O SER 589 A O LEU 588 A O LEU 588 A N TRP 144 A N TRP 144 A N ASP 445 A N ASP 445 A O TYR 454 A O TYR 454 A N ASP 530 A N ASP 530 A O GLN 537 A O GLN 537 1 A GLN 1 A GLN 1 1 Y 1 A ASP 2 A ASP 2 1 Y 1 A THR 3 A THR 3 1 Y 1 A SER 4 A SER 4 1 Y 1 A PRO 5 A PRO 5 1 Y 1 A ASP 6 A ASP 6 1 Y 1 A GLY 177 A GLY 177 1 Y 1 A TYR 178 A TYR 178 1 Y 1 A ASP 179 A ASP 179 1 Y 1 A VAL 180 A VAL 180 1 Y 1 A VAL 181 A VAL 181 1 Y 1 A ALA 182 A ALA 182 1 Y 1 A TYR 183 A TYR 183 1 Y 1 A GLY 184 A GLY 184 1 Y 1 A ASN 185 A ASN 185 1 Y 1 A THR 186 A THR 186 1 Y 1 A GLY 187 A GLY 187 1 Y 1 A THR 188 A THR 188 1 Y 1 A GLN 189 A GLN 189 1 Y 1 A ALA 190 A ALA 190 1 Y 1 A GLN 191 A GLN 191 1 Y 1 A THR 192 A THR 192 1 Y 1 A ASP 193 A ASP 193 1 Y 1 A ASN 194 A ASN 194 1 Y 1 A ASP 195 A ASP 195 1 Y 1 A TYR 229 A TYR 229 1 Y 1 A ASP 230 A ASP 230 1 Y 1 A ALA 231 A ALA 231 1 Y 1 A TYR 232 A TYR 232 1 Y 1 A TYR 233 A TYR 233 1 Y 1 A SER 234 A SER 234 1 Y 1 A PRO 235 A PRO 235 1 Y 1 A GLY 236 A GLY 236 1 Y 1 A SER 237 A SER 237 1 Y 1 A PRO 238 A PRO 238 1 Y 1 A LEU 239 A LEU 239 1 Y 1 A LEU 240 A LEU 240 1 Y 1 A ASP 278 A ASP 278 1 Y 1 A PRO 279 A PRO 279 1 Y 1 A HIS 280 A HIS 280 1 Y 1 A TYR 281 A TYR 281 1 Y 1 A GLY 282 A GLY 282 1 Y 1 A ARG 283 A ARG 283 1 Y 1 A TYR 284 A TYR 284 1 Y 1 A ASP 285 A ASP 285 1 Y 1 A SER 286 A SER 286 1 Y 1 A SER 287 A SER 287 1 Y 1 A TYR 328 A TYR 328 1 Y 1 A VAL 329 A VAL 329 1 Y 1 A GLU 330 A GLU 330 1 Y 1 A A O OD1 GLY ASP 161 162 1.34 1 A A O CG2 PRO THR 18 21 1.85 1 A A O OD1 SER ASP 64 95 1.89 1 A A O N LEU LEU 85 87 2.04 1 A A OD1 O ASP HOH 447 870 2.04 1 A A CA N GLY SER 89 91 2.08 1 A A O O GLN GLY 400 406 2.09 1 A A O N VAL ALA 10 12 2.15 1 A A CE1 NE2 HIS HIS 174 176 2.16 1 A A O OH THR TYR 11 118 2.18 1 A A O CB THR THR 323 326 2.19 1 A A N O ASN HOH 43 866 2.19 1 A A ASP GLY 81 82 -141.43 1 -4.19 0.50 120.30 116.11 A A A NE CZ NH1 ARG ARG ARG 69 69 69 N 1 5.70 0.90 118.30 124.00 A A A CB CG OD2 ASP ASP ASP 81 81 81 N 1 15.14 2.50 113.10 128.24 A A A N CA C GLY GLY GLY 82 82 82 N 1 5.61 0.90 118.30 123.91 A A A CB CG OD2 ASP ASP ASP 95 95 95 N 1 6.86 0.90 118.30 125.16 A A A CB CG OD2 ASP ASP ASP 121 121 121 N 1 5.44 0.90 118.30 123.74 A A A CB CG OD2 ASP ASP ASP 241 241 241 N 1 5.45 0.90 118.30 123.75 A A A CB CG OD2 ASP ASP ASP 274 274 274 N 1 6.13 0.90 118.30 124.43 A A A CB CG OD2 ASP ASP ASP 361 361 361 N 1 7.91 0.90 118.30 126.21 A A A CB CG OD2 ASP ASP ASP 485 485 485 N 1 6.02 0.90 118.30 124.32 A A A CB CG OD2 ASP ASP ASP 492 492 492 N 1 6.33 0.90 118.30 124.63 A A A CB CG OD2 ASP ASP ASP 530 530 530 N 1 A A NH1 O ARG ALA 367 427 1.77 1_555 6_655 1 A VAL 10 -94.43 -70.49 1 A THR 11 0.97 -49.74 1 A SER 20 -54.40 -6.74 1 A ALA 24 169.19 152.03 1 A GLN 38 55.83 70.25 1 A SER 41 154.20 139.89 1 A LEU 46 179.05 -38.89 1 A VAL 83 56.62 91.11 1 A ASN 86 33.68 12.38 1 A VAL 90 -56.47 104.63 1 A SER 91 59.61 93.70 1 A LEU 96 82.82 11.22 1 A VAL 117 -130.09 -42.85 1 A ASP 121 121.56 -24.29 1 A SER 146 -109.19 78.61 1 A ASN 147 172.97 42.67 1 A LEU 160 69.63 71.06 1 A LYS 163 -153.86 -45.32 1 A THR 175 -113.73 -96.30 1 A THR 211 -136.18 -156.67 1 A ALA 213 -158.67 -24.04 1 A VAL 306 -105.32 71.72 1 A HIS 308 -104.32 43.15 1 A ASP 350 52.72 7.24 1 A TYR 402 -140.87 30.60 1 A ASN 407 -173.37 130.07 1 A ALA 427 36.32 41.49 1 A ASP 448 63.31 71.00 1 A HIS 449 164.99 -68.85 1 A THR 450 -66.66 -98.65 1 A LEU 451 -173.94 37.65 1 A GLU 456 -156.72 -54.28 1 A THR 472 -115.99 -89.86 1 A ASP 492 73.28 30.43 1 A LEU 495 -61.20 -86.34 1 A LEU 496 149.59 124.98 1 A ARG 497 90.23 7.99 1 A LEU 511 -89.57 -83.67 1 A ASP 513 53.79 11.65 1 A SER 532 -26.80 -35.63 1 A THR 556 81.24 -83.64 1 A SER 557 -162.55 -68.99 1 A LEU 559 169.10 62.31 1 A ARG 584 174.43 46.67 39.163 0.56 0.28 0.00 0.56 0.00 -0.84 0.908 0.879 HYDROGENS HAVE BEEN ADDED IN THE RIDING POSITIONS. THE AVERAGE ISOTROPIC B VALUE IS AN AVERAGE RESIDUAL B FACTOR. 0.288 0.244 0.246 0.246 2.70 20.00 1216 22832 22706 5.1 96.45 17.389 0.366 RANDOM LIKELY RESIDUAL 1 TLS THROUGHOUT 0 SAD/DM 0.660 0.357 0.8 0.80 1.4 Engh & Huber BABINET MODEL WITH MASK 0.36 2.70 20.00 69 4490 127 0 4294 0.017 0.021 4512 0.000 0.020 3962 1.818 1.946 6078 0.770 3.000 9213 5.664 3.000 539 22.895 15.000 705 0.100 0.200 636 0.006 0.020 5006 0.003 0.020 965 0.374 0.300 1207 0.349 0.300 4697 0.204 0.500 361 0.115 0.500 15 0.365 0.300 28 0.410 0.300 126 0.565 0.500 4 0.592 0.500 1 11.309 1.500 2671 13.703 2.000 4281 20.052 3.000 1841 25.098 4.500 1797 0.399 0.322 2.769 90 1467 20 2.7 30.0 1NQF 44260 0 -3.0 0.085 1 20.2 6.6 95.4 2.7 2.8 3915 0.536 1 2.7 84.6 refinement REFMAC 5.1.24 data scaling SCALEPACK phasing SnB refinement CNS phasing SHARP data reduction DENZO phasing CNS OUTER MEMBRANE COBALAMIN TRANSPORTER (BTUB) FROM E. COLI, METHIONINE SUBSTIUTION CONSTRUCT FOR SE-MET SAD PHASING 1 N N 2 N N 3 N N 3 N N 3 N N 3 N N 3 N N 3 N N 4 N N A SER 20 A SER 20 HELX_P A VAL 22 A VAL 22 5 1 3 A ARG 31 A ARG 31 HELX_P A GLN 38 A GLN 38 1 2 8 A PRO 100 A PRO 100 HELX_P A VAL 104 A VAL 104 5 3 5 A ARG 114 A ARG 114 HELX_P A GLY 119 A GLY 119 1 4 6 A ASN 397 A ASN 397 HELX_P A GLY 403 A GLY 403 1 5 7 covale 1.324 both A GLU 292 A C GLU 292 1_555 A MSE 293 A N MSE 293 1_555 covale 1.329 both A MSE 293 A C MSE 293 1_555 A LYS 294 A N LYS 294 1_555 covale 1.331 both A ASP 316 A C ASP 316 1_555 A MSE 317 A N MSE 317 1_555 covale 1.324 both A MSE 317 A C MSE 317 1_555 A GLN 318 A N GLN 318 1_555 covale 1.347 both A GLN 318 A C GLN 318 1_555 A MSE 319 A N MSE 319 1_555 covale 1.337 both A MSE 319 A C MSE 319 1_555 A GLN 320 A N GLN 320 1_555 covale 1.331 both A GLN 320 A C GLN 320 1_555 A MSE 321 A N MSE 321 1_555 covale 1.313 both A MSE 321 A C MSE 321 1_555 A THR 322 A N THR 322 1_555 covale 2.043 none A ARG 358 A O ARG 358 1_555 A C8E 800 C C8 C8E 1_555 covale 1.322 both A ASP 515 A C ASP 515 1_555 A MSE 516 A N MSE 516 1_555 covale 1.321 both A MSE 516 A C MSE 516 1_555 A GLY 517 A N GLY 517 1_555 covale 1.320 both A GLY 517 A C GLY 517 1_555 A MSE 518 A N MSE 518 1_555 covale 1.316 both A MSE 518 A C MSE 518 1_555 A THR 519 A N THR 519 1_555 covale 1.323 both A THR 519 A C THR 519 1_555 A MSE 520 A N MSE 520 1_555 covale 1.317 both A MSE 520 A C MSE 520 1_555 A GLN 521 A N GLN 521 1_555 covale 1.326 both A LYS 540 A C LYS 540 1_555 A MSE 541 A N MSE 541 1_555 covale 1.325 both A MSE 541 A C MSE 541 1_555 A GLY 542 A N GLY 542 1_555 metalc 2.391 A HIS 176 A NE2 HIS 176 4_565 A MG 806 B MG MG 1_555 TRANSPORT PROTEIN BETA BARREL, cobalamin, VITAMIN B12, OUTER MEMBRANE TRANSPORT, TRANSPORT PROTEIN A GLY 82 A GLY 82 1 A VAL 83 A VAL 83 1.13 A GLY 89 A GLY 89 1 A VAL 90 A VAL 90 2.36 A SER 91 A SER 91 1 A GLY 92 A GLY 92 -2.77 A GLN 159 A GLN 159 1 A LEU 160 A LEU 160 2.68 A GLY 406 A GLY 406 1 A ASN 407 A ASN 407 15.01 A TYR 534 A TYR 534 1 A PRO 535 A PRO 535 1.16 BTUB_ECOLI UNP 1 21 P06129 QDTSPDTLVVTANRFEQPRSTVLAPTTVVTRQDIDRWQSTSVNDVLRRLPGVDITQNGGSGQLSSIFIRGTNASHVLVLI DGVRLNLAGVSGSADLSQFPIALVQRVEYIRGPRSAVYGSDAIGGVVNIITTRDEPGTEISAGWGSNSYQNYDVSTQQQL GDKTRVTLLGDYAHTHGYDVVAYGNTGTQAQTDNDGFLSKTLYGALEHNFTDAWSGFVRGYGYDNRTNYDAYYSPGSPLL DTRKLYSQSWDAGLRYNGELIKSQLITSYSHSKDYNYDPHYGRYDSSATLDEMKQYTVQWANNVIVGHGSIGAGVDWQKQ TTTPGTGYVEDGYDQRNTGIYLTGLQQVGDFTFEGAARSDDNSQFGRHGTWQTSAGWEFIEGYRFIASYGTSYKAPNLGQ LYGFYGNPNLDPEKSKQWEGAFEGLTAGVNWRISGYRNDVSDLIDYDDHTLKYYNEGKARIKGVEATANFDTGPLTHTVS YDYVDARNAITDTPLLRRAKQQVKYQLDWQLYDFDWGITYQYLGTRYDKDYSSYPYQTVKMGGVSLWDLAVAYPVTSHLT VRGKIANLFDKDYETVYGYQTAGREYTLSGSYTF 21 614 1NQF 1 594 P06129 A 1 1 594 1 MET engineered mutation MSE 293 1NQF A P06129 UNP 313 293 1 TRP engineered mutation MSE 317 1NQF A P06129 UNP 337 317 1 LYS engineered mutation MSE 319 1NQF A P06129 UNP 339 319 1 THR engineered mutation MSE 321 1NQF A P06129 UNP 341 321 1 TRP engineered mutation MSE 516 1NQF A P06129 UNP 536 516 1 ILE engineered mutation MSE 518 1NQF A P06129 UNP 538 518 1 TYR engineered mutation MSE 520 1NQF A P06129 UNP 540 520 1 MET engineered mutation MSE 541 1NQF A P06129 UNP 561 541 2 4 2 23 2 2 anti-parallel anti-parallel anti-parallel parallel anti-parallel anti-parallel anti-parallel anti-parallel anti-parallel anti-parallel anti-parallel anti-parallel anti-parallel anti-parallel anti-parallel anti-parallel anti-parallel anti-parallel anti-parallel anti-parallel anti-parallel anti-parallel anti-parallel anti-parallel anti-parallel anti-parallel anti-parallel anti-parallel anti-parallel A LEU 8 A LEU 8 A VAL 9 A VAL 9 A GLN 17 A GLN 17 A PRO 18 A PRO 18 A THR 26 A THR 26 A THR 30 A THR 30 A ARG 106 A ARG 106 A ARG 111 A ARG 111 A GLY 125 A GLY 125 A ILE 130 A ILE 130 A LEU 77 A LEU 77 A ILE 80 A ILE 80 A VAL 52 A VAL 52 A GLN 56 A GLN 56 A SER 64 A SER 64 A ILE 68 A ILE 68 A GLY 137 A GLY 137 A GLY 145 A GLY 145 A GLN 150 A GLN 150 A GLN 158 A GLN 158 A THR 164 A THR 164 A HIS 174 A HIS 174 A PHE 197 A PHE 197 A ASN 209 A ASN 209 A TRP 214 A TRP 214 A THR 227 A THR 227 A ARG 243 A ARG 243 A ASN 257 A ASN 257 A ILE 261 A ILE 261 A ASN 276 A ASN 276 A THR 289 A THR 289 A ILE 305 A ILE 305 A GLY 309 A GLY 309 A THR 322 A THR 322 A TYR 333 A TYR 333 A GLN 347 A GLN 347 A PHE 351 A PHE 351 A ASN 362 A ASN 362 A GLY 366 A GLY 366 A ILE 380 A ILE 380 A TYR 383 A TYR 383 A LYS 394 A LYS 394 A GLU 413 A GLU 413 A THR 426 A THR 426 A VAL 429 A VAL 429 A SER 441 A SER 441 A ALA 459 A ALA 459 A ASP 471 A ASP 471 A LEU 475 A LEU 475 A ASN 488 A ASN 488 A GLN 501 A GLN 501 A GLN 510 A GLN 510 A ASP 515 A ASP 515 A LEU 523 A LEU 523 A VAL 544 A VAL 544 A PRO 554 A PRO 554 A THR 560 A THR 560 A ILE 565 A ILE 565 A TYR 586 A TYR 586 A PHE 594 A PHE 594 A GLY 137 A GLY 137 A GLY 145 A GLY 145 A ILE 444 A ILE 444 A TYR 446 A TYR 446 A TYR 453 A TYR 453 A ASN 455 A ASN 455 A ARG 526 A ARG 526 A ASP 530 A ASP 530 A GLN 537 A GLN 537 A MSE 541 A MSE 541 BINDING SITE FOR RESIDUE MG A 806 A MG 806 Software 3 BINDING SITE FOR RESIDUE C8E A 800 A C8E 800 Software 11 BINDING SITE FOR RESIDUE C8E A 801 A C8E 801 Software 8 BINDING SITE FOR RESIDUE C8E A 802 A C8E 802 Software 7 BINDING SITE FOR RESIDUE C8E A 803 A C8E 803 Software 5 BINDING SITE FOR RESIDUE C8E A 804 A C8E 804 Software 7 BINDING SITE FOR RESIDUE C8E A 805 A C8E 805 Software 7 A HIS 174 A HIS 174 3 4_565 A HIS 176 A HIS 176 3 4_565 A HIS 449 A HIS 449 3 1_555 A ARG 358 A ARG 358 11 1_555 A SER 359 A SER 359 11 1_555 A ARG 367 A ARG 367 11 1_555 A GLY 369 A GLY 369 11 1_555 A THR 370 A THR 370 11 1_555 A PHE 470 A PHE 470 11 6_655 A ASP 471 A ASP 471 11 6_655 A THR 472 A THR 472 11 6_655 A GLY 473 A GLY 473 11 6_655 A C8E 805 H C8E 11 1_555 A HOH 832 I HOH 11 1_555 A MSE 317 A MSE 317 8 6_665 A THR 338 A THR 338 8 6_665 A ASP 361 A ASP 361 8 6_665 A ASN 362 A ASN 362 8 6_665 A SER 363 A SER 363 8 6_665 A PHE 379 A PHE 379 8 1_555 A TYR 383 A TYR 383 8 1_555 A PHE 422 A PHE 422 8 1_555 A TRP 300 A TRP 300 7 6_665 A ASN 302 A ASN 302 7 6_665 A VAL 304 A VAL 304 7 6_665 A ALA 313 A ALA 313 7 6_665 A VAL 315 A VAL 315 7 6_665 A TRP 431 A TRP 431 7 1_555 A TYR 481 A TYR 481 7 1_555 A ILE 311 A ILE 311 5 1_555 A LEU 342 A LEU 342 5 1_555 A GLY 344 A GLY 344 5 1_555 A THR 373 A THR 373 5 1_555 A C8E 805 H C8E 5 1_555 A SER 434 A SER 434 7 1_555 A GLY 435 A GLY 435 7 1_555 A TYR 436 A TYR 436 7 1_555 A ARG 437 A ARG 437 7 1_555 A LYS 462 A LYS 462 7 1_555 A GLY 463 A GLY 463 7 1_555 A VAL 464 A VAL 464 7 1_555 A ALA 357 A ALA 357 7 1_555 A TRP 371 A TRP 371 7 1_555 A GLY 473 A GLY 473 7 6_655 A HIS 477 A HIS 477 7 6_655 A C8E 800 C C8E 7 1_555 A C8E 803 F C8E 7 1_555 A HOH 832 I HOH 7 1_555 152 P 31 2 1