HEADER CHAPERONE 24-OCT-25 9XBG TITLE COMPLEX OF TETANUS TOXIN HC DOMAIN WITH 3A5 FAB FRAGMENT COMPND MOL_ID: 1; COMPND 2 MOLECULE: TETANUS TOXIN HEAVY CHAIN; COMPND 3 CHAIN: A; COMPND 4 SYNONYM: TETANUS TOXIN CHAIN H; COMPND 5 ENGINEERED: YES; COMPND 6 MOL_ID: 2; COMPND 7 MOLECULE: 3A5 FAB-H; COMPND 8 CHAIN: B; COMPND 9 ENGINEERED: YES; COMPND 10 MOL_ID: 3; COMPND 11 MOLECULE: 3A5 FAB-K; COMPND 12 CHAIN: C; COMPND 13 ENGINEERED: YES SOURCE MOL_ID: 1; SOURCE 2 ORGANISM_SCIENTIFIC: CLOSTRIDIUM TETANI E88; SOURCE 3 ORGANISM_TAXID: 212717; SOURCE 4 GENE: TETX, CTC_P60; SOURCE 5 EXPRESSION_SYSTEM: ESCHERICHIA COLI BL21(DE3); SOURCE 6 EXPRESSION_SYSTEM_TAXID: 469008; SOURCE 7 MOL_ID: 2; SOURCE 8 ORGANISM_SCIENTIFIC: HOMO SAPIENS; SOURCE 9 ORGANISM_TAXID: 9606; SOURCE 10 EXPRESSION_SYSTEM: HOMO SAPIENS; SOURCE 11 EXPRESSION_SYSTEM_TAXID: 9606; SOURCE 12 MOL_ID: 3; SOURCE 13 ORGANISM_SCIENTIFIC: HOMO SAPIENS; SOURCE 14 ORGANISM_TAXID: 9606; SOURCE 15 EXPRESSION_SYSTEM: HOMO SAPIENS; SOURCE 16 EXPRESSION_SYSTEM_TAXID: 9606 KEYWDS ANTIGEN-ANTIBODY COMPLEX, CRYO-EM, BLOCKING THE BINDING WITH KEYWDS 2 RECEPTOR, CHAPERONE EXPDTA ELECTRON MICROSCOPY AUTHOR G.Y.ZHANG,C.M.YU,Y.X.WANG REVDAT 1 28-OCT-26 9XBG 0 JRNL AUTH G.Y.ZHANG,Y.X.WANG,Z.S.CHEN,T.FANG,P.LV,P.HUANG,Z.ZHU,Y.CUI, JRNL AUTH 2 J.LI,Z.Y.LI,Y.Z.DONG,J.M.LI,R.YU,X.Y.CHI,C.M.YU JRNL TITL POTENT NEUTRALIZATION AGAINST TETANUS NEUROTOXIN IN MICE JRNL TITL 2 CONFERED BY ANTIBODY TARGETING ZINC METALLOPROTEINASE DOMAIN JRNL REF TO BE PUBLISHED JRNL REFN REMARK 2 REMARK 2 RESOLUTION. 2.75 ANGSTROMS. REMARK 3 REMARK 3 REFINEMENT. REMARK 3 SOFTWARE PACKAGES : TOPAZ, PHENIX, CRYOSPARC REMARK 3 RECONSTRUCTION SCHEMA : NULL REMARK 3 REMARK 3 EM MAP-MODEL FITTING AND REFINEMENT REMARK 3 PDB ENTRY : NULL REMARK 3 REFINEMENT SPACE : NULL REMARK 3 REFINEMENT PROTOCOL : NULL REMARK 3 REFINEMENT TARGET : NULL REMARK 3 OVERALL ANISOTROPIC B VALUE : NULL REMARK 3 REMARK 3 FITTING PROCEDURE : NULL REMARK 3 REMARK 3 EM IMAGE RECONSTRUCTION STATISTICS REMARK 3 NOMINAL PIXEL SIZE (ANGSTROMS) : NULL REMARK 3 ACTUAL PIXEL SIZE (ANGSTROMS) : NULL REMARK 3 EFFECTIVE RESOLUTION (ANGSTROMS) : 2.750 REMARK 3 NUMBER OF PARTICLES : 74886 REMARK 3 CTF CORRECTION METHOD : PHASE FLIPPING AND AMPLITUDE REMARK 3 CORRECTION REMARK 3 REMARK 3 EM RECONSTRUCTION MAGNIFICATION CALIBRATION: NULL REMARK 3 REMARK 3 OTHER DETAILS: NULL REMARK 4 REMARK 4 9XBG COMPLIES WITH FORMAT V. 3.30, 13-JUL-11 REMARK 100 REMARK 100 THIS ENTRY HAS BEEN PROCESSED BY PDBC ON 31-OCT-25. REMARK 100 THE DEPOSITION ID IS D_1300064701. REMARK 245 REMARK 245 EXPERIMENTAL DETAILS REMARK 245 RECONSTRUCTION METHOD : SINGLE PARTICLE REMARK 245 SPECIMEN TYPE : NULL REMARK 245 REMARK 245 ELECTRON MICROSCOPE SAMPLE REMARK 245 SAMPLE TYPE : PARTICLE REMARK 245 PARTICLE TYPE : POINT REMARK 245 NAME OF SAMPLE : THE HC DOMAIN OF TETANUS TOXIN REMARK 245 BINDS TO 3A5 FAB TO FORM AN REMARK 245 ANTIGEN-ANTIBODY COMPLEX; THE REMARK 245 HC FRAGMENT OF TETANUS TOXIN; REMARK 245 3A5 FAB-H; 3A5 FAB-K REMARK 245 SAMPLE CONCENTRATION (MG ML-1) : NULL REMARK 245 SAMPLE SUPPORT DETAILS : NULL REMARK 245 SAMPLE VITRIFICATION DETAILS : NULL REMARK 245 SAMPLE BUFFER : NULL REMARK 245 PH : 7.50 REMARK 245 SAMPLE DETAILS : FAB FRAGMENTS WERE OBTAINED REMARK 245 THROUGH THE DESIGN OF PLASMID EXPRESSION REMARK 245 REMARK 245 DATA ACQUISITION REMARK 245 DATE OF EXPERIMENT : NULL REMARK 245 NUMBER OF MICROGRAPHS-IMAGES : NULL REMARK 245 TEMPERATURE (KELVIN) : NULL REMARK 245 MICROSCOPE MODEL : TFS TITAN THEMIS REMARK 245 DETECTOR TYPE : FEI FALCON IV (4K X 4K) REMARK 245 MINIMUM DEFOCUS (NM) : 1000.00 REMARK 245 MAXIMUM DEFOCUS (NM) : 2000.00 REMARK 245 MINIMUM TILT ANGLE (DEGREES) : NULL REMARK 245 MAXIMUM TILT ANGLE (DEGREES) : NULL REMARK 245 NOMINAL CS : NULL REMARK 245 IMAGING MODE : BRIGHT FIELD REMARK 245 ELECTRON DOSE (ELECTRONS NM**-2) : 5000.00 REMARK 245 ILLUMINATION MODE : FLOOD BEAM REMARK 245 NOMINAL MAGNIFICATION : NULL REMARK 245 CALIBRATED MAGNIFICATION : NULL REMARK 245 SOURCE : FIELD EMISSION GUN REMARK 245 ACCELERATION VOLTAGE (KV) : 300 REMARK 245 IMAGING DETAILS : NULL REMARK 247 REMARK 247 ELECTRON MICROSCOPY REMARK 247 THE COORDINATES IN THIS ENTRY WERE GENERATED FROM ELECTRON REMARK 247 MICROSCOPY DATA. PROTEIN DATA BANK CONVENTIONS REQUIRE REMARK 247 THAT CRYST1 AND SCALE RECORDS BE INCLUDED, BUT THE VALUES REMARK 247 ON THESE RECORDS ARE MEANINGLESS EXCEPT FOR THE CALCULATION REMARK 247 OF THE STRUCTURE FACTORS. REMARK 300 REMARK 300 BIOMOLECULE: 1 REMARK 300 SEE REMARK 350 FOR THE AUTHOR PROVIDED AND/OR PROGRAM REMARK 300 GENERATED ASSEMBLY INFORMATION FOR THE STRUCTURE IN REMARK 300 THIS ENTRY. THE REMARK MAY ALSO PROVIDE INFORMATION ON REMARK 300 BURIED SURFACE AREA. REMARK 350 REMARK 350 COORDINATES FOR A COMPLETE MULTIMER REPRESENTING THE KNOWN REMARK 350 BIOLOGICALLY SIGNIFICANT OLIGOMERIZATION STATE OF THE REMARK 350 MOLECULE CAN BE GENERATED BY APPLYING BIOMT TRANSFORMATIONS REMARK 350 GIVEN BELOW. BOTH NON-CRYSTALLOGRAPHIC AND REMARK 350 CRYSTALLOGRAPHIC OPERATIONS ARE GIVEN. REMARK 350 REMARK 350 BIOMOLECULE: 1 REMARK 350 AUTHOR DETERMINED BIOLOGICAL UNIT: TRIMERIC REMARK 350 APPLY THE FOLLOWING TO CHAINS: A, B, C REMARK 350 BIOMT1 1 1.000000 0.000000 0.000000 0.00000 REMARK 350 BIOMT2 1 0.000000 1.000000 0.000000 0.00000 REMARK 350 BIOMT3 1 0.000000 0.000000 1.000000 0.00000 REMARK 465 REMARK 465 MISSING RESIDUES REMARK 465 THE FOLLOWING RESIDUES WERE NOT LOCATED IN THE REMARK 465 EXPERIMENT. (M=MODEL NUMBER; RES=RESIDUE NAME; C=CHAIN REMARK 465 IDENTIFIER; SSSEQ=SEQUENCE NUMBER; I=INSERTION CODE.) REMARK 465 REMARK 465 M RES C SSSEQI REMARK 465 GLU B 0 REMARK 465 SER B 116 REMARK 465 SER B 117 REMARK 470 REMARK 470 MISSING ATOM REMARK 470 THE FOLLOWING RESIDUES HAVE MISSING ATOMS (M=MODEL NUMBER; REMARK 470 RES=RESIDUE NAME; C=CHAIN IDENTIFIER; SSEQ=SEQUENCE NUMBER; REMARK 470 I=INSERTION CODE): REMARK 470 M RES CSSEQI ATOMS REMARK 470 ARG A1065 CG CD NE CZ NH1 NH2 REMARK 500 REMARK 500 GEOMETRY AND STEREOCHEMISTRY REMARK 500 SUBTOPIC: TORSION ANGLES REMARK 500 REMARK 500 TORSION ANGLES OUTSIDE THE EXPECTED RAMACHANDRAN REGIONS: REMARK 500 (M=MODEL NUMBER; RES=RESIDUE NAME; C=CHAIN IDENTIFIER; REMARK 500 SSEQ=SEQUENCE NUMBER; I=INSERTION CODE). REMARK 500 REMARK 500 STANDARD TABLE: REMARK 500 FORMAT:(10X,I3,1X,A3,1X,A1,I4,A1,4X,F7.2,3X,F7.2) REMARK 500 REMARK 500 EXPECTED VALUES: GJ KLEYWEGT AND TA JONES (1996). PHI/PSI- REMARK 500 CHOLOGY: RAMACHANDRAN REVISITED. STRUCTURE 4, 1395 - 1400 REMARK 500 REMARK 500 M RES CSSEQI PSI PHI REMARK 500 MET A 946 -125.94 37.06 REMARK 500 LYS A1073 143.62 -171.55 REMARK 500 THR A1146 -5.46 76.62 REMARK 500 PRO A1182 4.73 -64.69 REMARK 500 ASN A1203 -124.05 51.90 REMARK 500 ASN A1219 48.08 33.89 REMARK 500 ASN A1220 16.71 53.99 REMARK 500 SER B 14 -151.88 67.58 REMARK 500 GLU B 15 -152.87 63.89 REMARK 500 ASN B 102 30.12 -88.75 REMARK 500 SER C 30 -140.31 58.07 REMARK 500 ALA C 51 -5.85 68.10 REMARK 500 SER C 52 -3.59 -140.95 REMARK 500 REMARK 500 REMARK: NULL REMARK 900 REMARK 900 RELATED ENTRIES REMARK 900 RELATED ID: EMD-66699 RELATED DB: EMDB REMARK 900 COMPLEX OF TETANUS TOXIN HC DOMAIN WITH 3A5 FAB FRAGMENT DBREF 9XBG A 876 1315 UNP P04958 TETX_CLOTE 876 1315 DBREF 9XBG B 0 117 PDB 9XBG 9XBG 0 117 DBREF 9XBG C 1 108 PDB 9XBG 9XBG 1 108 SEQRES 1 A 440 ASP ILE ASP VAL ILE LEU LYS LYS SER THR ILE LEU ASN SEQRES 2 A 440 LEU ASP ILE ASN ASN ASP ILE ILE SER ASP ILE SER GLY SEQRES 3 A 440 PHE ASN SER SER VAL ILE THR TYR PRO ASP ALA GLN LEU SEQRES 4 A 440 VAL PRO GLY ILE ASN GLY LYS ALA ILE HIS LEU VAL ASN SEQRES 5 A 440 ASN GLU SER SER GLU VAL ILE VAL HIS LYS ALA MET ASP SEQRES 6 A 440 ILE GLU TYR ASN ASP MET PHE ASN ASN PHE THR VAL SER SEQRES 7 A 440 PHE TRP LEU ARG VAL PRO LYS VAL SER ALA SER HIS LEU SEQRES 8 A 440 GLU GLN TYR GLY THR ASN GLU TYR SER ILE ILE SER SER SEQRES 9 A 440 MET LYS LYS HIS SER LEU SER ILE GLY SER GLY TRP SER SEQRES 10 A 440 VAL SER LEU LYS GLY ASN ASN LEU ILE TRP THR LEU LYS SEQRES 11 A 440 ASP SER ALA GLY GLU VAL ARG GLN ILE THR PHE ARG ASP SEQRES 12 A 440 LEU PRO ASP LYS PHE ASN ALA TYR LEU ALA ASN LYS TRP SEQRES 13 A 440 VAL PHE ILE THR ILE THR ASN ASP ARG LEU SER SER ALA SEQRES 14 A 440 ASN LEU TYR ILE ASN GLY VAL LEU MET GLY SER ALA GLU SEQRES 15 A 440 ILE THR GLY LEU GLY ALA ILE ARG GLU ASP ASN ASN ILE SEQRES 16 A 440 THR LEU LYS LEU ASP ARG CYS ASN ASN ASN ASN GLN TYR SEQRES 17 A 440 VAL SER ILE ASP LYS PHE ARG ILE PHE CYS LYS ALA LEU SEQRES 18 A 440 ASN PRO LYS GLU ILE GLU LYS LEU TYR THR SER TYR LEU SEQRES 19 A 440 SER ILE THR PHE LEU ARG ASP PHE TRP GLY ASN PRO LEU SEQRES 20 A 440 ARG TYR ASP THR GLU TYR TYR LEU ILE PRO VAL ALA SER SEQRES 21 A 440 SER SER LYS ASP VAL GLN LEU LYS ASN ILE THR ASP TYR SEQRES 22 A 440 MET TYR LEU THR ASN ALA PRO SER TYR THR ASN GLY LYS SEQRES 23 A 440 LEU ASN ILE TYR TYR ARG ARG LEU TYR ASN GLY LEU LYS SEQRES 24 A 440 PHE ILE ILE LYS ARG TYR THR PRO ASN ASN GLU ILE ASP SEQRES 25 A 440 SER PHE VAL LYS SER GLY ASP PHE ILE LYS LEU TYR VAL SEQRES 26 A 440 SER TYR ASN ASN ASN GLU HIS ILE VAL GLY TYR PRO LYS SEQRES 27 A 440 ASP GLY ASN ALA PHE ASN ASN LEU ASP ARG ILE LEU ARG SEQRES 28 A 440 VAL GLY TYR ASN ALA PRO GLY ILE PRO LEU TYR LYS LYS SEQRES 29 A 440 MET GLU ALA VAL LYS LEU ARG ASP LEU LYS THR TYR SER SEQRES 30 A 440 VAL GLN LEU LYS LEU TYR ASP ASP LYS ASN ALA SER LEU SEQRES 31 A 440 GLY LEU VAL GLY THR HIS ASN GLY GLN ILE GLY ASN ASP SEQRES 32 A 440 PRO ASN ARG ASP ILE LEU ILE ALA SER ASN TRP TYR PHE SEQRES 33 A 440 ASN HIS LEU LYS ASP LYS ILE LEU GLY CYS ASP TRP TYR SEQRES 34 A 440 PHE VAL PRO THR ASP GLU GLY TRP THR ASN ASP SEQRES 1 B 118 GLU VAL GLN LEU VAL GLU SER GLY PRO GLY LEU VAL LYS SEQRES 2 B 118 PRO SER GLU THR LEU SER LEU THR CYS GLY VAL SER GLY SEQRES 3 B 118 ASP SER MET THR GLY ASN THR TYR TYR TRP ALA TRP ILE SEQRES 4 B 118 ARG GLN PRO PRO GLY LYS GLY LEU GLU TRP ILE GLY SER SEQRES 5 B 118 VAL TYR TYR ASP GLY THR THR TYR TYR THR SER SER LEU SEQRES 6 B 118 ARG SER ARG VAL THR ILE SER ILE ASP ARG SER LYS ASN SEQRES 7 B 118 GLN PHE SER LEU ARG LEU ASN PHE VAL THR ALA ALA ASP SEQRES 8 B 118 THR SER ILE TYR TYR CYS ALA ARG GLN ALA ASP ASN TRP SEQRES 9 B 118 PHE ASP PRO TRP GLY GLN GLY THR LEU VAL THR VAL SER SEQRES 10 B 118 SER SEQRES 1 C 108 ASP ILE GLN MET THR GLN SER PRO ALA THR LEU SER VAL SEQRES 2 C 108 SER PRO GLY GLU ARG ALA THR PRO SER CYS ARG ALA SER SEQRES 3 C 108 GLN SER VAL SER SER ASP LEU VAL TRP TYR GLN GLN LYS SEQRES 4 C 108 PRO GLY GLN SER PRO ARG LEU LEU ILE TYR ARG ALA SER SEQRES 5 C 108 ILE ARG ALA THR GLY ILE PRO ALA ARG PHE SER GLY SER SEQRES 6 C 108 GLY SER GLY THR GLU PHE THR LEU THR ILE SER SER LEU SEQRES 7 C 108 GLN SER GLU ASP PHE ALA VAL TYR TYR CYS GLN GLN TYR SEQRES 8 C 108 ASN GLN TRP PRO PRO TYR THR PHE GLY GLN GLY THR LYS SEQRES 9 C 108 LEU GLU ILE LYS HELIX 1 AA1 ASP A 876 SER A 884 1 9 HELIX 2 AA2 SER A 962 TYR A 969 1 8 HELIX 3 AA3 ASN A 1097 TYR A 1108 1 12 HELIX 4 AA4 ASN A 1288 ASN A 1292 5 5 HELIX 5 AA5 LEU B 64 VAL B 68 5 5 HELIX 6 AA6 THR B 87 THR B 91 5 5 SHEET 1 AA1 5 SER A 897 ASP A 898 0 SHEET 2 AA1 5 THR A 885 ASP A 890 -1 N ASP A 890 O SER A 897 SHEET 3 AA1 5 TYR A1083 PHE A1092 -1 O PHE A1089 N LEU A 889 SHEET 4 AA1 5 LYS A 921 VAL A 926 -1 N LEU A 925 O VAL A1084 SHEET 5 AA1 5 GLN A 913 PRO A 916 -1 N GLN A 913 O HIS A 924 SHEET 1 AA2 7 SER A 897 ASP A 898 0 SHEET 2 AA2 7 THR A 885 ASP A 890 -1 N ASP A 890 O SER A 897 SHEET 3 AA2 7 TYR A1083 PHE A1092 -1 O PHE A1089 N LEU A 889 SHEET 4 AA2 7 PHE A 950 ARG A 957 -1 N TRP A 955 O ASP A1087 SHEET 5 AA2 7 VAL A1032 ASP A1039 -1 O ILE A1036 N VAL A 952 SHEET 6 AA2 7 SER A1043 ILE A1048 -1 O TYR A1047 N THR A1035 SHEET 7 AA2 7 VAL A1051 GLU A1057 -1 O ALA A1056 N ALA A1044 SHEET 1 AA3 7 SER A 905 THR A 908 0 SHEET 2 AA3 7 GLU A 932 HIS A 936 -1 O ILE A 934 N ILE A 907 SHEET 3 AA3 7 ASN A1069 ASP A1075 -1 O LEU A1072 N VAL A 933 SHEET 4 AA3 7 TYR A 974 SER A 978 -1 N SER A 978 O THR A1071 SHEET 5 AA3 7 GLY A 990 LYS A 996 -1 O LEU A 995 N TYR A 974 SHEET 6 AA3 7 ASN A 999 LYS A1005 -1 O ILE A1001 N SER A 994 SHEET 7 AA3 7 VAL A1011 ARG A1017 -1 O ARG A1012 N LEU A1004 SHEET 1 AA4 9 ALA A1217 PHE A1218 0 SHEET 2 AA4 9 ASP A1222 ILE A1224 -1 O ASP A1222 N PHE A1218 SHEET 3 AA4 9 ARG A1281 SER A1287 -1 O ALA A1286 N ARG A1223 SHEET 4 AA4 9 SER A1264 GLY A1273 -1 N GLY A1273 O ARG A1281 SHEET 5 AA4 9 GLN A1254 TYR A1258 -1 N LEU A1257 O LEU A1265 SHEET 6 AA4 9 LYS A1239 VAL A1243 -1 N LYS A1239 O TYR A1258 SHEET 7 AA4 9 ASP A1194 TYR A1202 -1 N ILE A1196 O MET A1240 SHEET 8 AA4 9 ASN A1205 PRO A1212 -1 O HIS A1207 N VAL A1200 SHEET 9 AA4 9 LEU A1236 TYR A1237 -1 O TYR A1237 N TYR A1211 SHEET 1 AA5 6 ARG A1226 VAL A1227 0 SHEET 2 AA5 6 ASN A1205 PRO A1212 -1 N GLY A1210 O ARG A1226 SHEET 3 AA5 6 ASP A1194 TYR A1202 -1 N VAL A1200 O HIS A1207 SHEET 4 AA5 6 LYS A1174 ARG A1179 -1 N ILE A1176 O TYR A1199 SHEET 5 AA5 6 GLU A1127 PRO A1132 -1 N TYR A1128 O PHE A1175 SHEET 6 AA5 6 TRP A1303 VAL A1306 -1 O VAL A1306 N TYR A1129 SHEET 1 AA6 2 LYS A1138 LEU A1142 0 SHEET 2 AA6 2 MET A1149 ASN A1153 -1 O TYR A1150 N GLN A1141 SHEET 1 AA7 2 SER A1156 ASN A1159 0 SHEET 2 AA7 2 ILE A1164 ARG A1167 -1 O TYR A1166 N TYR A1157 SHEET 1 AA8 4 GLN B 2 SER B 6 0 SHEET 2 AA8 4 THR B 16 SER B 24 -1 O GLY B 22 N VAL B 4 SHEET 3 AA8 4 GLN B 78 ASN B 84 -1 O PHE B 79 N CYS B 21 SHEET 4 AA8 4 SER B 71 ASP B 73 -1 N SER B 71 O SER B 80 SHEET 1 AA9 5 THR B 58 TYR B 60 0 SHEET 2 AA9 5 GLU B 47 TYR B 53 -1 N SER B 51 O TYR B 59 SHEET 3 AA9 5 TYR B 34 GLN B 40 -1 N ARG B 39 O GLU B 47 SHEET 4 AA9 5 SER B 92 GLN B 99 -1 O TYR B 95 N ILE B 38 SHEET 5 AA9 5 THR B 111 VAL B 113 -1 O VAL B 113 N SER B 92 SHEET 1 AB1 4 MET C 4 SER C 7 0 SHEET 2 AB1 4 SER C 22 ALA C 25 -1 O ARG C 24 N THR C 5 SHEET 3 AB1 4 GLU C 70 THR C 74 -1 O PHE C 71 N CYS C 23 SHEET 4 AB1 4 SER C 63 SER C 65 -1 N SER C 65 O THR C 72 SHEET 1 AB2 2 THR C 10 SER C 12 0 SHEET 2 AB2 2 LYS C 104 GLU C 106 1 O GLU C 106 N LEU C 11 SHEET 1 AB3 4 ARG C 45 LEU C 46 0 SHEET 2 AB3 4 LEU C 33 GLN C 38 -1 N GLN C 37 O ARG C 45 SHEET 3 AB3 4 VAL C 85 GLN C 90 -1 O TYR C 87 N TYR C 36 SHEET 4 AB3 4 THR C 98 PHE C 99 -1 O THR C 98 N GLN C 90 SHEET 1 AB4 2 ILE C 48 TYR C 49 0 SHEET 2 AB4 2 ILE C 53 ARG C 54 -1 O ILE C 53 N TYR C 49 SSBOND 1 CYS B 21 CYS B 96 1555 1555 2.03 SSBOND 2 CYS C 23 CYS C 88 1555 1555 2.03 CISPEP 1 SER C 7 PRO C 8 0 -0.84 CISPEP 2 TRP C 94 PRO C 95 0 -1.41 CISPEP 3 PRO C 95 PRO C 96 0 -2.58 CRYST1 1.000 1.000 1.000 90.00 90.00 90.00 P 1 ORIGX1 1.000000 0.000000 0.000000 0.00000 ORIGX2 0.000000 1.000000 0.000000 0.00000 ORIGX3 0.000000 0.000000 1.000000 0.00000 SCALE1 1.000000 0.000000 0.000000 0.00000 SCALE2 0.000000 1.000000 0.000000 0.00000 SCALE3 0.000000 0.000000 1.000000 0.00000 CONECT 3698 4301 CONECT 4301 3698 CONECT 4618 5121 CONECT 5121 4618 MASTER 149 0 0 6 59 0 0 6 5291 3 4 53 END