HEADER CONTRACTILE PROTEIN 30-JUL-19 6KLU TITLE TROPONIN OF CARDIAC THIN FILAMENT IN HIGH-CALCIUM STATE COMPND MOL_ID: 1; COMPND 2 MOLECULE: TROPONIN C, SLOW SKELETAL AND CARDIAC MUSCLES; COMPND 3 CHAIN: A; COMPND 4 SYNONYM: TN-C; COMPND 5 MOL_ID: 2; COMPND 6 MOLECULE: TROPONIN T, CARDIAC MUSCLE; COMPND 7 CHAIN: B; COMPND 8 SYNONYM: TNTC,CARDIAC MUSCLE TROPONIN T,CTNT; COMPND 9 MOL_ID: 3; COMPND 10 MOLECULE: TROPONIN I, CARDIAC MUSCLE; COMPND 11 CHAIN: C; COMPND 12 SYNONYM: CARDIAC TROPONIN I SOURCE MOL_ID: 1; SOURCE 2 ORGANISM_SCIENTIFIC: MUS MUSCULUS; SOURCE 3 ORGANISM_COMMON: MOUSE; SOURCE 4 ORGANISM_TAXID: 10090; SOURCE 5 MOL_ID: 2; SOURCE 6 ORGANISM_SCIENTIFIC: MUS MUSCULUS; SOURCE 7 ORGANISM_COMMON: MOUSE; SOURCE 8 ORGANISM_TAXID: 10090; SOURCE 9 MOL_ID: 3; SOURCE 10 ORGANISM_SCIENTIFIC: MUS MUSCULUS; SOURCE 11 ORGANISM_COMMON: MOUSE; SOURCE 12 ORGANISM_TAXID: 10090 KEYWDS CARDIAC THIN FILAMENT, CONTRACTILE PROTEIN EXPDTA ELECTRON MICROSCOPY AUTHOR T.ODA,H.YANAGISAWA,T.WAKABAYASHI REVDAT 4 27-MAR-24 6KLU 1 REMARK REVDAT 3 11-MAR-20 6KLU 1 JRNL REMARK REVDAT 2 29-JAN-20 6KLU 1 JRNL REVDAT 1 15-JAN-20 6KLU 0 JRNL AUTH T.ODA,H.YANAGISAWA,T.WAKABAYASHI JRNL TITL CRYO-EM STRUCTURES OF CARDIAC THIN FILAMENTS REVEAL THE 3D JRNL TITL 2 ARCHITECTURE OF TROPONIN. JRNL REF J.STRUCT.BIOL. V. 209 07450 2020 JRNL REFN ESSN 1095-8657 JRNL PMID 31954841 JRNL DOI 10.1016/J.JSB.2020.107450 REMARK 2 REMARK 2 RESOLUTION. 12.00 ANGSTROMS. REMARK 3 REMARK 3 REFINEMENT. REMARK 3 SOFTWARE PACKAGES : SERIALEM, GCTF, UCSF CHIMERA, RELION, REMARK 3 RELION, RELION, RELION REMARK 3 RECONSTRUCTION SCHEMA : NULL REMARK 3 REMARK 3 EM MAP-MODEL FITTING AND REFINEMENT REMARK 3 PDB ENTRY : 4Y99 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) : 12.00 REMARK 3 NUMBER OF PARTICLES : 328766 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: THE RESOLUTION WAS ESTIMATED BASED ON COMPARISON REMARK 3 BETWEEN THE MAP AND THE MODEL-DERIVED MAP. REMARK 4 REMARK 4 6KLU COMPLIES WITH FORMAT V. 3.30, 13-JUL-11 REMARK 100 REMARK 100 THIS ENTRY HAS BEEN PROCESSED BY PDBJ ON 07-AUG-19. REMARK 100 THE DEPOSITION ID IS D_1300013261. 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 : FILAMENT REMARK 245 PARTICLE TYPE : POINT REMARK 245 NAME OF SAMPLE : TROPONIN OF CARDIAC THIN REMARK 245 FILAMENT REMARK 245 SAMPLE CONCENTRATION (MG ML-1) : 0.10 REMARK 245 SAMPLE SUPPORT DETAILS : NULL REMARK 245 SAMPLE VITRIFICATION DETAILS : NULL REMARK 245 SAMPLE BUFFER : NULL REMARK 245 PH : 7.20 REMARK 245 SAMPLE DETAILS : NULL 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 : FEI TITAN KRIOS REMARK 245 DETECTOR TYPE : GATAN K3 (6K X 4K) REMARK 245 MINIMUM DEFOCUS (NM) : NULL REMARK 245 MAXIMUM DEFOCUS (NM) : 1100.00 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) : 6000.00 REMARK 245 ILLUMINATION MODE : FLOOD BEAM REMARK 245 NOMINAL MAGNIFICATION : 81000 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 LYS A 86 REMARK 465 ASP A 87 REMARK 465 ASP A 88 REMARK 465 SER A 89 REMARK 465 LYS A 90 REMARK 465 GLY A 91 REMARK 465 LYS A 92 REMARK 465 LYS C 138 REMARK 465 PHE C 139 REMARK 465 LYS C 140 REMARK 465 ARG C 141 REMARK 465 PRO C 142 REMARK 465 THR C 143 REMARK 465 LEU C 144 REMARK 465 ARG C 145 REMARK 465 ARG C 146 REMARK 465 VAL C 147 REMARK 500 REMARK 500 GEOMETRY AND STEREOCHEMISTRY REMARK 500 SUBTOPIC: CLOSE CONTACTS IN SAME ASYMMETRIC UNIT REMARK 500 REMARK 500 THE FOLLOWING ATOMS ARE IN CLOSE CONTACT. REMARK 500 REMARK 500 ATM1 RES C SSEQI ATM2 RES C SSEQI DISTANCE REMARK 500 C MET C 61 N ARG C 63 1.83 REMARK 500 O ARG C 63 N ALA C 65 2.09 REMARK 500 O LEU B 236 OG SER B 239 2.10 REMARK 500 C PHE B 248 N LEU B 250 2.11 REMARK 500 REMARK 500 REMARK: NULL REMARK 500 REMARK 500 GEOMETRY AND STEREOCHEMISTRY REMARK 500 SUBTOPIC: COVALENT BOND LENGTHS REMARK 500 REMARK 500 THE STEREOCHEMICAL PARAMETERS OF THE FOLLOWING RESIDUES REMARK 500 HAVE VALUES WHICH DEVIATE FROM EXPECTED VALUES BY MORE REMARK 500 THAN 6*RMSD (M=MODEL NUMBER; RES=RESIDUE NAME; C=CHAIN REMARK 500 IDENTIFIER; SSEQ=SEQUENCE NUMBER; I=INSERTION CODE). REMARK 500 REMARK 500 STANDARD TABLE: REMARK 500 FORMAT: (10X,I3,1X,2(A3,1X,A1,I4,A1,1X,A4,3X),1X,F6.3) REMARK 500 REMARK 500 EXPECTED VALUES PROTEIN: ENGH AND HUBER, 1999 REMARK 500 EXPECTED VALUES NUCLEIC ACID: CLOWNEY ET AL 1996 REMARK 500 REMARK 500 M RES CSSEQI ATM1 RES CSSEQI ATM2 DEVIATION REMARK 500 GLN A 11 C LEU A 12 N 0.147 REMARK 500 GLU A 95 C GLU A 96 N 0.203 REMARK 500 THR C 51 C LEU C 52 N 0.216 REMARK 500 MET C 61 CG MET C 61 SD -0.247 REMARK 500 REMARK 500 REMARK: NULL REMARK 500 REMARK 500 GEOMETRY AND STEREOCHEMISTRY REMARK 500 SUBTOPIC: COVALENT BOND ANGLES REMARK 500 REMARK 500 THE STEREOCHEMICAL PARAMETERS OF THE FOLLOWING RESIDUES REMARK 500 HAVE VALUES WHICH DEVIATE FROM EXPECTED VALUES BY MORE REMARK 500 THAN 6*RMSD (M=MODEL NUMBER; RES=RESIDUE NAME; C=CHAIN REMARK 500 IDENTIFIER; SSEQ=SEQUENCE NUMBER; I=INSERTION CODE). REMARK 500 REMARK 500 STANDARD TABLE: REMARK 500 FORMAT: (10X,I3,1X,A3,1X,A1,I4,A1,3(1X,A4,2X),12X,F5.1) REMARK 500 REMARK 500 EXPECTED VALUES PROTEIN: ENGH AND HUBER, 1999 REMARK 500 EXPECTED VALUES NUCLEIC ACID: CLOWNEY ET AL 1996 REMARK 500 REMARK 500 M RES CSSEQI ATM1 ATM2 ATM3 REMARK 500 GLU A 95 CA - C - N ANGL. DEV. = -15.2 DEGREES REMARK 500 GLU A 95 O - C - N ANGL. DEV. = 14.5 DEGREES REMARK 500 PHE B 248 N - CA - C ANGL. DEV. = 18.1 DEGREES REMARK 500 ASP B 249 CA - C - O ANGL. DEV. = 17.9 DEGREES REMARK 500 LEU B 250 CB - CG - CD2 ANGL. DEV. = 13.2 DEGREES REMARK 500 GLN B 251 C - N - CA ANGL. DEV. = 19.7 DEGREES REMARK 500 GLN B 251 N - CA - CB ANGL. DEV. = 12.8 DEGREES REMARK 500 TYR B 259 C - N - CA ANGL. DEV. = -40.2 DEGREES REMARK 500 LEU C 49 CA - C - N ANGL. DEV. = 18.9 DEGREES REMARK 500 LEU C 49 O - C - N ANGL. DEV. = -19.0 DEGREES REMARK 500 THR C 51 O - C - N ANGL. DEV. = -14.7 DEGREES REMARK 500 LEU C 52 C - N - CA ANGL. DEV. = 15.2 DEGREES REMARK 500 MET C 61 N - CA - CB ANGL. DEV. = -10.8 DEGREES REMARK 500 MET C 61 CA - CB - CG ANGL. DEV. = -13.2 DEGREES REMARK 500 MET C 61 CA - C - N ANGL. DEV. = -16.2 DEGREES REMARK 500 GLU C 62 N - CA - C ANGL. DEV. = -30.1 DEGREES REMARK 500 GLU C 62 O - C - N ANGL. DEV. = -14.8 DEGREES REMARK 500 ARG C 63 N - CA - C ANGL. DEV. = 17.8 DEGREES REMARK 500 LEU C 76 O - C - N ANGL. DEV. = -9.8 DEGREES REMARK 500 ARG C 77 CG - CD - NE ANGL. DEV. = 23.6 DEGREES REMARK 500 ARG C 77 N - CA - C ANGL. DEV. = -17.3 DEGREES REMARK 500 ARG C 77 O - C - N ANGL. DEV. = 11.9 DEGREES REMARK 500 PRO C 82 C - N - CD ANGL. DEV. = -15.4 DEGREES REMARK 500 VAL C 114 CA - CB - CG2 ANGL. DEV. = -9.6 DEGREES REMARK 500 REMARK 500 REMARK: NULL 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 ASP B 249 10.21 -55.69 REMARK 500 LEU B 250 -61.01 -95.16 REMARK 500 GLU B 260 39.86 -61.14 REMARK 500 GLU C 62 -3.90 -49.88 REMARK 500 ARG C 63 -158.40 -132.55 REMARK 500 GLU C 64 -40.39 10.19 REMARK 500 THR C 78 -10.14 174.71 REMARK 500 LYS C 164 -64.79 -120.06 REMARK 500 REMARK 500 REMARK: NULL REMARK 500 REMARK 500 GEOMETRY AND STEREOCHEMISTRY REMARK 500 SUBTOPIC: MAIN CHAIN PLANARITY REMARK 500 REMARK 500 THE FOLLOWING RESIDUES HAVE A PSEUDO PLANARITY REMARK 500 TORSION ANGLE, C(I) - CA(I) - N(I+1) - O(I), GREATER REMARK 500 10.0 DEGREES. (M=MODEL NUMBER; RES=RESIDUE NAME; REMARK 500 C=CHAIN IDENTIFIER; SSEQ=SEQUENCE NUMBER; REMARK 500 I=INSERTION CODE). REMARK 500 REMARK 500 M RES CSSEQI ANGLE REMARK 500 GLU B 246 16.26 REMARK 500 LYS B 247 -13.80 REMARK 500 PHE B 248 21.66 REMARK 500 MET C 61 23.48 REMARK 500 GLU C 71 -13.11 REMARK 500 LEU C 76 12.13 REMARK 500 REMARK 500 REMARK: NULL REMARK 620 REMARK 620 METAL COORDINATION REMARK 620 (M=MODEL NUMBER; RES=RESIDUE NAME; C=CHAIN IDENTIFIER; REMARK 620 SSEQ=SEQUENCE NUMBER; I=INSERTION CODE): REMARK 620 REMARK 620 COORDINATION ANGLES FOR: M RES CSSEQI METAL REMARK 620 CA A 201 CA REMARK 620 N RES CSSEQI ATOM REMARK 620 1 ASP A 65 OD2 REMARK 620 2 ASP A 67 OD2 78.3 REMARK 620 3 SER A 69 OG 94.5 81.4 REMARK 620 4 THR A 71 O 87.5 153.8 77.8 REMARK 620 5 GLU A 76 OE1 82.4 81.2 162.6 118.9 REMARK 620 6 GLU A 76 OE2 111.9 126.1 144.2 79.6 50.6 REMARK 620 N 1 2 3 4 5 REMARK 620 REMARK 620 COORDINATION ANGLES FOR: M RES CSSEQI METAL REMARK 620 CA A 203 CA REMARK 620 N RES CSSEQI ATOM REMARK 620 1 ASP A 105 OD1 REMARK 620 2 ASN A 107 OD1 80.8 REMARK 620 3 ASP A 109 OD2 82.9 81.7 REMARK 620 4 TYR A 111 O 86.4 158.1 79.1 REMARK 620 5 GLU A 116 OE1 112.2 123.3 151.6 78.1 REMARK 620 6 GLU A 116 OE2 95.5 72.9 154.5 126.3 51.6 REMARK 620 N 1 2 3 4 5 REMARK 620 REMARK 620 COORDINATION ANGLES FOR: M RES CSSEQI METAL REMARK 620 CA A 202 CA REMARK 620 N RES CSSEQI ATOM REMARK 620 1 ASP A 141 OD1 REMARK 620 2 ASN A 143 OD1 80.7 REMARK 620 3 ASP A 145 OD1 80.1 82.9 REMARK 620 4 ARG A 147 O 86.8 158.6 77.9 REMARK 620 5 GLU A 152 OE1 115.4 121.4 151.9 79.7 REMARK 620 6 GLU A 152 OE2 91.9 72.8 155.4 125.2 51.9 REMARK 620 N 1 2 3 4 5 REMARK 800 REMARK 800 SITE REMARK 800 SITE_IDENTIFIER: AC1 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: binding site for residue CA A 201 REMARK 800 REMARK 800 SITE_IDENTIFIER: AC2 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: binding site for residue CA A 202 REMARK 800 REMARK 800 SITE_IDENTIFIER: AC3 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: binding site for residue CA A 203 REMARK 900 REMARK 900 RELATED ENTRIES REMARK 900 RELATED ID: EMD-0711 RELATED DB: EMDB REMARK 900 RELATED ID: EMD-0712 RELATED DB: EMDB REMARK 900 RELATED ID: EMD-0714 RELATED DB: EMDB REMARK 900 RELATED ID: EMD-0715 RELATED DB: EMDB REMARK 900 RELATED ID: EMD-0717 RELATED DB: EMDB REMARK 900 RELATED ID: EMD-0718 RELATED DB: EMDB REMARK 900 TROPONIN OF CARDIAC THIN FILAMENT IN HIGH-CALCIUM STATE DBREF 6KLU A 2 158 UNP P19123 TNNC1_MOUSE 2 158 DBREF 6KLU B 199 272 UNP P50752 TNNT2_MOUSE 212 285 DBREF 6KLU C 49 166 UNP P48787 TNNI3_MOUSE 50 167 SEQRES 1 A 157 ASP ASP ILE TYR LYS ALA ALA VAL GLU GLN LEU THR GLU SEQRES 2 A 157 GLU GLN LYS ASN GLU PHE LYS ALA ALA PHE ASP ILE PHE SEQRES 3 A 157 VAL LEU GLY ALA GLU ASP GLY CYS ILE SER THR LYS GLU SEQRES 4 A 157 LEU GLY LYS VAL MET ARG MET LEU GLY GLN ASN PRO THR SEQRES 5 A 157 PRO GLU GLU LEU GLN GLU MET ILE ASP GLU VAL ASP GLU SEQRES 6 A 157 ASP GLY SER GLY THR VAL ASP PHE ASP GLU PHE LEU VAL SEQRES 7 A 157 MET MET VAL ARG CYS MET LYS ASP ASP SER LYS GLY LYS SEQRES 8 A 157 SER GLU GLU GLU LEU SER ASP LEU PHE ARG MET PHE ASP SEQRES 9 A 157 LYS ASN ALA ASP GLY TYR ILE ASP LEU ASP GLU LEU LYS SEQRES 10 A 157 MET MET LEU GLN ALA THR GLY GLU THR ILE THR GLU ASP SEQRES 11 A 157 ASP ILE GLU GLU LEU MET LYS ASP GLY ASP LYS ASN ASN SEQRES 12 A 157 ASP GLY ARG ILE ASP TYR ASP GLU PHE LEU GLU PHE MET SEQRES 13 A 157 LYS SEQRES 1 B 74 GLY LYS ARG GLN THR GLU ARG GLU LYS LYS LYS LYS ILE SEQRES 2 B 74 LEU ALA GLU ARG ARG LYS ALA LEU ALA ILE ASP HIS LEU SEQRES 3 B 74 ASN GLU ASP GLN LEU ARG GLU LYS ALA LYS GLU LEU TRP SEQRES 4 B 74 GLN SER ILE HIS ASN LEU GLU ALA GLU LYS PHE ASP LEU SEQRES 5 B 74 GLN GLU LYS PHE LYS GLN GLN LYS TYR GLU ILE ASN VAL SEQRES 6 B 74 LEU ARG ASN ARG ILE ASN ASP ASN GLN SEQRES 1 C 118 LEU LYS THR LEU MET LEU GLN ILE ALA LYS GLN GLU MET SEQRES 2 C 118 GLU ARG GLU ALA GLU GLU ARG ARG GLY GLU LYS GLY ARG SEQRES 3 C 118 VAL LEU ARG THR ARG CYS GLN PRO LEU GLU LEU ASP GLY SEQRES 4 C 118 LEU GLY PHE GLU GLU LEU GLN ASP LEU CYS ARG GLN LEU SEQRES 5 C 118 HIS ALA ARG VAL ASP LYS VAL ASP GLU GLU ARG TYR ASP SEQRES 6 C 118 VAL GLU ALA LYS VAL THR LYS ASN ILE THR GLU ILE ALA SEQRES 7 C 118 ASP LEU THR GLN LYS ILE TYR ASP LEU ARG GLY LYS PHE SEQRES 8 C 118 LYS ARG PRO THR LEU ARG ARG VAL ARG ILE SER ALA ASP SEQRES 9 C 118 ALA MET MET GLN ALA LEU LEU GLY THR ARG ALA LYS GLU SEQRES 10 C 118 SER HET CA A 201 1 HET CA A 202 1 HET CA A 203 1 HETNAM CA CALCIUM ION FORMUL 4 CA 3(CA 2+) HELIX 1 AA1 ASP A 2 GLN A 11 1 10 HELIX 2 AA2 THR A 13 LEU A 29 1 17 HELIX 3 AA3 SER A 37 LEU A 48 1 12 HELIX 4 AA4 THR A 53 GLU A 63 1 11 HELIX 5 AA5 ASP A 73 MET A 85 1 13 HELIX 6 AA6 GLU A 94 ASP A 105 1 12 HELIX 7 AA7 ASP A 113 THR A 124 1 12 HELIX 8 AA8 THR A 129 ASP A 141 1 13 HELIX 9 AA9 TYR A 150 LYS A 158 1 9 HELIX 10 AB1 LYS B 200 ARG B 216 1 17 HELIX 11 AB2 ASN B 225 GLU B 246 1 22 HELIX 12 AB3 LEU B 250 LYS B 258 1 9 HELIX 13 AB4 LYS B 258 ASN B 271 1 14 HELIX 14 AB5 LYS C 50 GLU C 62 1 13 HELIX 15 AB6 GLU C 64 ARG C 77 1 14 HELIX 16 AB7 GLY C 89 GLY C 137 1 49 HELIX 17 AB8 SER C 150 GLY C 160 1 11 HELIX 18 AB9 THR C 161 ALA C 163 5 3 SHEET 1 AA1 2 TYR A 111 ILE A 112 0 SHEET 2 AA1 2 ILE A 148 ASP A 149 -1 O ILE A 148 N ILE A 112 LINK OD2 ASP A 65 CA CA A 201 1555 1555 2.10 LINK OD2 ASP A 67 CA CA A 201 1555 1555 2.39 LINK OG SER A 69 CA CA A 201 1555 1555 2.38 LINK O THR A 71 CA CA A 201 1555 1555 2.36 LINK OE1 GLU A 76 CA CA A 201 1555 1555 2.63 LINK OE2 GLU A 76 CA CA A 201 1555 1555 2.52 LINK OD1 ASP A 105 CA CA A 203 1555 1555 2.43 LINK OD1 ASN A 107 CA CA A 203 1555 1555 2.37 LINK OD2 ASP A 109 CA CA A 203 1555 1555 2.40 LINK O TYR A 111 CA CA A 203 1555 1555 2.28 LINK OE1 GLU A 116 CA CA A 203 1555 1555 2.54 LINK OE2 GLU A 116 CA CA A 203 1555 1555 2.46 LINK OD1 ASP A 141 CA CA A 202 1555 1555 2.40 LINK OD1 ASN A 143 CA CA A 202 1555 1555 2.43 LINK OD1 ASP A 145 CA CA A 202 1555 1555 2.45 LINK O ARG A 147 CA CA A 202 1555 1555 2.25 LINK OE1 GLU A 152 CA CA A 202 1555 1555 2.42 LINK OE2 GLU A 152 CA CA A 202 1555 1555 2.59 SITE 1 AC1 5 ASP A 65 ASP A 67 SER A 69 THR A 71 SITE 2 AC1 5 GLU A 76 SITE 1 AC2 5 ASP A 141 ASN A 143 ASP A 145 ARG A 147 SITE 2 AC2 5 GLU A 152 SITE 1 AC3 5 ASP A 105 ASN A 107 ASP A 109 TYR A 111 SITE 2 AC3 5 GLU A 116 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