0.021608 0.000000 0.010816 0.000000 0.109051 0.000000 0.000000 0.000000 0.044288 0.000000 0.000000 0.000000 Gessmann, R. Axford, D. Petratos, K. http://mmcif.pdb.org/dictionaries/ascii/mmcif_pdbx.dic 4 90.00 116.59 90.00 46.280 9.170 25.250 C2 H4 O 44.053 ACETYL GROUP non-polymer C4 H9 N O2 103.120 n ALPHA-AMINOISOBUTYRIC ACID L-peptide linking C5 H11 N O2 117.146 D-ISOVALINE D-peptide linking C5 H10 N2 O3 146.144 y GLUTAMINE L-peptide linking C2 H5 N O2 75.067 y GLYCINE peptide linking H2 O 18.015 WATER non-polymer C5 H9 N O3 131.130 n 4-HYDROXYPROLINE HYDROXYPROLINE L-peptide linking C6 H13 N O2 131.173 y LEUCINE L-peptide linking C9 H11 N O2 165.189 y PHENYLALANINE L-peptide linking C9 H13 N O 151.206 n L-PHENYLALANINOL bound form of Phenylalaninal L-peptide linking C5 H11 N O2 117.146 y VALINE L-peptide linking N 1 N C N 2 N O N 3 N C N 4 N H N 5 N H N 6 N H N 7 N H N 8 N N N 9 N C N 10 N C N 11 N O N 12 N O N 13 N C N 14 N C N 15 N H N 16 N H N 17 N H N 18 N H N 19 N H N 20 N H N 21 N H N 22 N H N 23 N H N 24 N N N 25 R C N 26 N C N 27 N C N 28 N C N 29 N C N 30 N O N 31 N O N 32 N H N 33 N H N 34 N H N 35 N H N 36 N H N 37 N H N 38 N H N 39 N H N 40 N H N 41 N H N 42 N H N 43 N N N 44 S C N 45 N C N 46 N O N 47 N C N 48 N C N 49 N C N 50 N O N 51 N N N 52 N O N 53 N H N 54 N H N 55 N H N 56 N H N 57 N H N 58 N H N 59 N H N 60 N H N 61 N H N 62 N H N 63 N N N 64 N C N 65 N C N 66 N O N 67 N O N 68 N H N 69 N H N 70 N H N 71 N H N 72 N H N 73 N O N 74 N H N 75 N H N 76 N N N 77 S C N 78 N C N 79 N O N 80 N C N 81 R C N 82 N C N 83 N O N 84 N O N 85 N H N 86 N H N 87 N H N 88 N H N 89 N H N 90 N H N 91 N H N 92 N H N 93 N H N 94 N N N 95 S C N 96 N C N 97 N O N 98 N C N 99 N C N 100 N C N 101 N C N 102 N O N 103 N H N 104 N H N 105 N H N 106 N H N 107 N H N 108 N H N 109 N H N 110 N H N 111 N H N 112 N H N 113 N H N 114 N H N 115 N H N 116 N N N 117 S C N 118 N C N 119 N O N 120 N C Y 121 N C Y 122 N C Y 123 N C Y 124 N C Y 125 N C Y 126 N C N 127 N O N 128 N H N 129 N H N 130 N H N 131 N H N 132 N H N 133 N H N 134 N H N 135 N H N 136 N H N 137 N H N 138 N H N 139 N N N 140 S C N 141 N C N 142 N O N 143 N C Y 144 N C Y 145 N C Y 146 N C Y 147 N C Y 148 N C Y 149 N C N 150 N H N 151 N H N 152 N H N 153 N H N 154 N H N 155 N H N 156 N H N 157 N H N 158 N H N 159 N H N 160 N H N 161 N H N 162 N H N 163 N N N 164 S C N 165 N C N 166 N O N 167 N C N 168 N C N 169 N C N 170 N O N 171 N H N 172 N H N 173 N H N 174 N H N 175 N H N 176 N H N 177 N H N 178 N H N 179 N H N 180 N H N 181 N H N 1 N doub N 2 N sing N 3 N sing N 4 N sing N 5 N sing N 6 N sing N 7 N sing N 8 N sing N 9 N sing N 10 N sing N 11 N sing N 12 N sing N 13 N doub N 14 N sing N 15 N sing N 16 N sing N 17 N sing N 18 N sing N 19 N sing N 20 N sing N 21 N sing N 22 N sing N 23 N sing N 24 N sing N 25 N sing N 26 N sing N 27 N sing N 28 N sing N 29 N sing N 30 N sing N 31 N sing N 32 N sing N 33 N sing N 34 N sing N 35 N sing N 36 N sing N 37 N doub N 38 N sing N 39 N sing N 40 N sing N 41 N sing N 42 N sing N 43 N sing N 44 N sing N 45 N sing N 46 N doub N 47 N sing N 48 N sing N 49 N sing N 50 N sing N 51 N sing N 52 N sing N 53 N sing N 54 N doub N 55 N sing N 56 N sing N 57 N sing N 58 N sing N 59 N sing N 60 N sing N 61 N sing N 62 N sing N 63 N sing N 64 N sing N 65 N doub N 66 N sing N 67 N sing N 68 N sing N 69 N sing N 70 N sing N 71 N sing N 72 N sing N 73 N sing N 74 N sing N 75 N sing N 76 N doub N 77 N sing N 78 N sing N 79 N sing N 80 N sing N 81 N sing N 82 N sing N 83 N sing N 84 N sing N 85 N sing N 86 N sing N 87 N sing N 88 N sing N 89 N sing N 90 N sing N 91 N sing N 92 N sing N 93 N sing N 94 N doub N 95 N sing N 96 N sing N 97 N sing N 98 N sing N 99 N sing N 100 N sing N 101 N sing N 102 N sing N 103 N sing N 104 N sing N 105 N sing N 106 N sing N 107 N sing N 108 N sing N 109 N sing N 110 N sing N 111 N sing N 112 N sing N 113 N sing N 114 N sing N 115 N doub N 116 N sing N 117 N sing N 118 N sing N 119 N sing Y 120 N doub Y 121 N sing Y 122 N sing N 123 N sing Y 124 N doub N 125 N sing Y 126 N doub N 127 N sing Y 128 N sing N 129 N sing N 130 N sing N 131 N sing N 132 N sing N 133 N sing N 134 N sing N 135 N sing N 136 N sing N 137 N sing N 138 N sing N 139 N sing N 140 N sing N 141 N sing N 142 N sing N 143 N sing N 144 N sing Y 145 N doub Y 146 N sing Y 147 N sing N 148 N sing Y 149 N doub N 150 N sing Y 151 N doub N 152 N sing Y 153 N sing N 154 N sing N 155 N sing N 156 N sing N 157 N sing N 158 N sing N 159 N sing N 160 N sing N 161 N sing N 162 N doub N 163 N sing N 164 N sing N 165 N sing N 166 N sing N 167 N sing N 168 N sing N 169 N sing N 170 N sing N 171 N sing N 172 N sing N 173 N sing UK J.Pept.Sci. JPSIEI 1225 1075-2617 18 678 684 10.1002/psc.2454 23019149 The crystal structure of samarosporin I at atomic resolution. 2012 10.2210/pdb4g14/pdb pdb_00004g14 1.000000 0.000000 0.000000 0.000000 1.000000 0.000000 0.000000 0.000000 1.000000 0.00000 0.00000 0.00000 293 1 PIXEL 2012-03-03 DECTRIS PILATUS 6M ACCEL FIXED EXIT DOUBLE CRYSTAL SINGLE WAVELENGTH M x-ray 1 0.7293 1.0 I24 Diamond 0.7293 SYNCHROTRON DIAMOND BEAMLINE I24 1557.876 SAMAROSPORIN I 1 nat polymer 18.015 water 2 nat water EMERIMICIN IV, STILBELLIN I no yes (ACE)F(AIB)(AIB)(AIB)VGL(AIB)(AIB)(HYP)Q(DIV)(HYP)(AIB)(PHL) XFAAAVGLAAPQVPAF A polypeptide(L) n n n n n n n n n n n n n n n n sample samarospora rostrup F-7762 1 1.52 18.4 EVAPORATION methanol/water, EVAPORATION, temperature 293K 293 pdbx_database_related chem_comp chem_comp_atom chem_comp_bond database_2 pdbx_initial_refinement_model struct_conn chem_comp_atom chem_comp_bond repository Initial release Database references Database references Structure summary Data collection Database references Data collection Database references Derived calculations Refinement description Structure summary Data collection 1 0 2012-10-03 1 1 2012-10-31 1 2 2012-12-26 1 3 2018-07-18 1 4 2023-09-13 1 5 2023-12-06 _chem_comp.pdbx_synonyms _database_2.pdbx_DOI _database_2.pdbx_database_accession _struct_conn.pdbx_leaving_atom_flag _chem_comp_atom.atom_id _chem_comp_bond.atom_id_2 Antiamoebin in Methanol/water Cephaibol A Cephaibol B Cephaibol C Samarosporin I RCSB Y RCSB 2012-07-10 REL REL HOH water SAMAROSPORIN I/EMERIMICIN IV IS LINEAR PEPTIDE, A MEMBER OF THE PEPT FAMILY OF MEMBRANE CHANNEL FORMING PEPTIDES. HERE, SAMAROSPORIN I/EMERIMICIN IV IS REPRESENTED BY THE SEQUENCE (SEQRES) THE N-TERM IS ACETYLATED (RESIDUE 0) 4G13 PDB ENTRY 4G13 PDB experimental model Antibiotic SAMAROSPORIN I Peptaibol HOH 21 2 HOH HOH 101 A HOH 20 2 HOH HOH 102 A ACE 0 n 1 ACE 0 A PHE 1 n 2 PHE 1 A AIB 2 n 3 AIB 2 A AIB 3 n 4 AIB 3 A AIB 4 n 5 AIB 4 A VAL 5 n 6 VAL 5 A GLY 6 n 7 GLY 6 A LEU 7 n 8 LEU 7 A AIB 8 n 9 AIB 8 A AIB 9 n 10 AIB 9 A HYP 10 n 11 HYP 10 A GLN 11 n 12 GLN 11 A DIV 12 n 13 DIV 12 A HYP 13 n 14 HYP 13 A AIB 14 n 15 AIB 14 A PHL 15 n 16 PHL 15 A 0.123 0.112 0.120 0.157 0.171 166 206 5 5 3432 software_defined_assembly PISA 1 monomeric 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 1 -4.75 0.70 120.80 116.05 A A A CB CG CD2 PHE PHE PHE 1 1 1 N 0.171 0.12 0.123 1.09 22.59 1022 206 4194 4194 1001 5 99.2 random 1 0 MOLECULAR REPLACEMENT PDB ENTRY 4G13 Engh & Huber BABINET 112 114 1.09 22.59 2 114 0 0 112 1.09 22.59 4G14 4194 4194 0.0 0.0 1 4.2 3.0 99.2 1.09 1.12 2.6 1 3.1 99.2 refinement SHELXL-97 data reduction xia2 data scaling xia2 Crystal structure of samarosporin I at 293K 1 N N 2 N N AS PER AUTHORS THE BIOLOGICAL ASSEMBLY IS MULTIMERIC OF UNKNOWN STOICHIOMETRY A PHE 1 A PHE 2 HELX_P A HYP 10 A HYP 11 1 1 10 A GLN 11 A GLN 12 HELX_P A PHL 15 A PHL 16 5 2 5 covale 1.400 both A ACE 0 A C ACE 1 1_555 A PHE 1 A N PHE 2 1_555 covale 1.272 both A PHE 1 A C PHE 2 1_555 A AIB 2 A N AIB 3 1_555 covale 1.332 both A AIB 2 A C AIB 3 1_555 A AIB 3 A N AIB 4 1_555 covale 1.336 both sing A AIB 3 A C AIB 4 1_555 A AIB 4 A N AIB 5 1_555 covale 1.326 both A AIB 4 A C AIB 5 1_555 A VAL 5 A N VAL 6 1_555 covale 1.336 both A LEU 7 A C LEU 8 1_555 A AIB 8 A N AIB 9 1_555 covale 1.340 both A AIB 8 A C AIB 9 1_555 A AIB 9 A N AIB 10 1_555 covale 1.350 both A AIB 9 A C AIB 10 1_555 A HYP 10 A N HYP 11 1_555 covale 1.350 both A HYP 10 A C HYP 11 1_555 A GLN 11 A N GLN 12 1_555 covale 1.355 both A GLN 11 A C GLN 12 1_555 A DIV 12 A N DIV 13 1_555 covale 1.354 both A DIV 12 A C DIV 13 1_555 A HYP 13 A N HYP 14 1_555 covale 1.317 both A HYP 13 A C HYP 14 1_555 A AIB 14 A N AIB 15 1_555 covale 1.336 both A AIB 14 A C AIB 15 1_555 A PHL 15 A N PHL 16 1_555 ANTIBIOTIC peptaibol, 3(10)-alpha Helix, antibiotic peptide, membrane, extracellular, ANTIBIOTIC NOR00986 NOR 1 NOR00986 XFAAAVGLAAPQVPAF 0 15 4G14 0 15 NOR00986 A 1 1 16 5 C 1 2 1