HEADER VIRUS 16-JUL-19 6SAG TITLE CRYO-EM STRUCTURE OF TMV WITH CA2+ AT LOW PH COMPND MOL_ID: 1; COMPND 2 MOLECULE: CAPSID PROTEIN; COMPND 3 CHAIN: A; COMPND 4 SYNONYM: COAT PROTEIN; COMPND 5 OTHER_DETAILS: RESIDUES 154-158 ARE FLEXIBLE AND WERE NOT MODELLED.; COMPND 6 MOL_ID: 2; COMPND 7 MOLECULE: RNA (5'-R(P*GP*AP*A)-3'); COMPND 8 CHAIN: R SOURCE MOL_ID: 1; SOURCE 2 ORGANISM_SCIENTIFIC: TOBACCO MOSAIC VIRUS (STRAIN VULGARE); SOURCE 3 ORGANISM_COMMON: TMV; SOURCE 4 ORGANISM_TAXID: 12243; SOURCE 5 STRAIN: VULGARE; SOURCE 6 MOL_ID: 2; SOURCE 7 ORGANISM_SCIENTIFIC: TOBACCO MOSAIC VIRUS (VULGARE); SOURCE 8 ORGANISM_COMMON: TMV; SOURCE 9 ORGANISM_TAXID: 12243 KEYWDS TMV, VIRUS ASSEMBLY/DISASSEMBLY, CA2+ SWITCH, CASPAR CARBOXYLATES, KEYWDS 2 VIRUS EXPDTA ELECTRON MICROSCOPY AUTHOR F.WEIS,M.BECKERS,C.SACHSE REVDAT 4 23-OCT-24 6SAG 1 REMARK REVDAT 3 13-NOV-19 6SAG 1 JRNL REVDAT 2 02-OCT-19 6SAG 1 JRNL REVDAT 1 18-SEP-19 6SAG 0 JRNL AUTH F.WEIS,M.BECKERS,I.VON DER HOCHT,C.SACHSE JRNL TITL ELUCIDATION OF THE VIRAL DISASSEMBLY SWITCH OF TOBACCO JRNL TITL 2 MOSAIC VIRUS. JRNL REF EMBO REP. V. 20 48451 2019 JRNL REFN ESSN 1469-3178 JRNL PMID 31535454 JRNL DOI 10.15252/EMBR.201948451 REMARK 2 REMARK 2 RESOLUTION. 2.00 ANGSTROMS. REMARK 3 REMARK 3 REFINEMENT. REMARK 3 SOFTWARE PACKAGES : SPRING, SERIALEM, GCTF, UCSF CHIMERA, REMARK 3 RELION, RELION, RELION, PHENIX REMARK 3 RECONSTRUCTION SCHEMA : NULL REMARK 3 REMARK 3 EM MAP-MODEL FITTING AND REFINEMENT REMARK 3 PDB ENTRY : 4UDV 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) : 2.000 REMARK 3 NUMBER OF PARTICLES : 15216 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 6SAG COMPLIES WITH FORMAT V. 3.30, 13-JUL-11 REMARK 100 REMARK 100 THIS ENTRY HAS BEEN PROCESSED BY PDBE ON 16-JUL-19. REMARK 100 THE DEPOSITION ID IS D_1292103363. REMARK 245 REMARK 245 EXPERIMENTAL DETAILS REMARK 245 RECONSTRUCTION METHOD : HELICAL REMARK 245 SPECIMEN TYPE : NULL REMARK 245 REMARK 245 ELECTRON MICROSCOPE SAMPLE REMARK 245 SAMPLE TYPE : HELICAL ARRAY REMARK 245 PARTICLE TYPE : HELICAL REMARK 245 NAME OF SAMPLE : TOBACCO MOSAIC VIRUS (STRAIN REMARK 245 VULGARE) REMARK 245 SAMPLE CONCENTRATION (MG ML-1) : 1.10 REMARK 245 SAMPLE SUPPORT DETAILS : NULL REMARK 245 SAMPLE VITRIFICATION DETAILS : NULL REMARK 245 SAMPLE BUFFER : NULL REMARK 245 PH : 5.20 REMARK 245 SAMPLE DETAILS : NULL REMARK 245 REMARK 245 DATA ACQUISITION REMARK 245 DATE OF EXPERIMENT : NULL REMARK 245 NUMBER OF MICROGRAPHS-IMAGES : 197 REMARK 245 TEMPERATURE (KELVIN) : NULL REMARK 245 MICROSCOPE MODEL : FEI TITAN KRIOS REMARK 245 DETECTOR TYPE : GATAN K2 QUANTUM (4K X 4K) REMARK 245 MINIMUM DEFOCUS (NM) : 150.00 REMARK 245 MAXIMUM DEFOCUS (NM) : 350.00 REMARK 245 MINIMUM TILT ANGLE (DEGREES) : NULL REMARK 245 MAXIMUM TILT ANGLE (DEGREES) : NULL REMARK 245 NOMINAL CS : 2.70 REMARK 245 IMAGING MODE : BRIGHT FIELD REMARK 245 ELECTRON DOSE (ELECTRONS NM**-2) : 4130.00 REMARK 245 ILLUMINATION MODE : FLOOD BEAM REMARK 245 NOMINAL MAGNIFICATION : 215000 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 SOFTWARE DETERMINED QUATERNARY STRUCTURE: 160-MERIC REMARK 350 SOFTWARE USED: UCSF CHIMERA 1.11.2_B41376. REMARK 350 APPLY THE FOLLOWING TO CHAINS: A, R 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 350 BIOMT1 2 0.926988 -0.375092 0.000000 69.46963 REMARK 350 BIOMT2 2 0.375092 0.926988 0.000000 -46.83140 REMARK 350 BIOMT3 2 0.000000 0.000000 1.000000 1.40800 REMARK 350 BIOMT1 3 0.718612 -0.695411 0.000000 151.43320 REMARK 350 BIOMT2 3 0.695411 0.718612 0.000000 -64.18602 REMARK 350 BIOMT3 3 0.000000 0.000000 1.000000 2.81600 REMARK 350 BIOMT1 4 0.405301 -0.914183 0.000000 233.92199 REMARK 350 BIOMT2 4 0.914183 0.405301 0.000000 -49.52966 REMARK 350 BIOMT3 4 0.000000 0.000000 1.000000 4.22400 REMARK 350 BIOMT1 5 0.032806 -0.999462 0.000000 304.89059 REMARK 350 BIOMT2 5 0.999462 0.032806 0.000000 -5.00251 REMARK 350 BIOMT3 5 0.000000 0.000000 1.000000 5.63200 REMARK 350 BIOMT1 6 -0.344479 -0.938794 0.000000 353.97582 REMARK 350 BIOMT2 6 0.938794 -0.344479 0.000000 62.89336 REMARK 350 BIOMT3 6 0.000000 0.000000 1.000000 7.04000 REMARK 350 BIOMT1 7 -0.671462 -0.741039 0.000000 374.01003 REMARK 350 BIOMT2 7 0.741039 -0.671462 0.000000 144.24347 REMARK 350 BIOMT3 7 0.000000 0.000000 1.000000 8.44800 REMARK 350 BIOMT1 8 -0.900395 -0.435074 0.000000 362.06771 REMARK 350 BIOMT2 8 0.435074 -0.900395 0.000000 227.16868 REMARK 350 BIOMT3 8 0.000000 0.000000 1.000000 9.85600 REMARK 350 BIOMT1 9 -0.997847 -0.065577 0.000000 319.89274 REMARK 350 BIOMT2 9 0.065577 -0.997847 0.000000 299.55985 REMARK 350 BIOMT3 9 0.000000 0.000000 1.000000 11.26400 REMARK 350 BIOMT1 10 -0.949590 0.313495 0.000000 253.64372 REMARK 350 BIOMT2 10 -0.313495 -0.949590 0.000000 350.84608 REMARK 350 BIOMT3 10 0.000000 0.000000 1.000000 12.67200 REMARK 350 BIOMT1 11 -0.762668 0.646790 0.000000 172.99465 REMARK 350 BIOMT2 11 -0.646790 -0.762668 0.000000 373.53829 REMARK 350 BIOMT3 11 0.000000 0.000000 1.000000 14.08000 REMARK 350 BIOMT1 12 -0.464378 0.885637 0.000000 89.72229 REMARK 350 BIOMT2 12 -0.885637 -0.464378 0.000000 364.32287 REMARK 350 BIOMT3 12 0.000000 0.000000 1.000000 15.48800 REMARK 350 BIOMT1 13 -0.098278 0.995159 0.000000 15.98648 REMARK 350 BIOMT2 13 -0.995159 -0.098278 0.000000 324.54549 REMARK 350 BIOMT3 13 0.000000 0.000000 1.000000 16.89600 REMARK 350 BIOMT1 14 0.282174 0.959363 0.000000 -37.44552 REMARK 350 BIOMT2 14 -0.959363 0.282174 0.000000 260.01464 REMARK 350 BIOMT3 14 0.000000 0.000000 1.000000 18.30400 REMARK 350 BIOMT1 15 0.621421 0.783477 0.000000 -62.77132 REMARK 350 BIOMT2 15 -0.783477 0.621421 0.000000 180.15343 REMARK 350 BIOMT3 15 0.000000 0.000000 1.000000 19.71200 REMARK 350 BIOMT1 16 0.869926 0.493183 0.000000 -56.29272 REMARK 350 BIOMT2 16 -0.493183 0.869926 0.000000 96.62357 REMARK 350 BIOMT3 16 0.000000 0.000000 1.000000 21.12000 REMARK 350 BIOMT1 17 0.991399 0.130872 0.000000 -18.95575 REMARK 350 BIOMT2 17 -0.130872 0.991399 0.000000 21.62250 REMARK 350 BIOMT3 17 0.000000 0.000000 1.000000 22.52800 REMARK 350 BIOMT1 18 0.968104 -0.250549 0.000000 43.78746 REMARK 350 BIOMT2 18 0.250549 0.968104 0.000000 -33.89776 REMARK 350 BIOMT3 18 0.000000 0.000000 1.000000 23.93600 REMARK 350 BIOMT1 19 0.803441 -0.595384 0.000000 122.77484 REMARK 350 BIOMT2 19 0.595384 0.803441 0.000000 -61.82988 REMARK 350 BIOMT3 19 0.000000 0.000000 1.000000 25.34400 REMARK 350 BIOMT1 20 0.521456 -0.853278 0.000000 206.47227 REMARK 350 BIOMT2 20 0.853278 0.521456 0.000000 -58.09507 REMARK 350 BIOMT3 20 0.000000 0.000000 1.000000 26.75200 REMARK 350 BIOMT1 21 0.163326 -0.986572 0.000000 282.65786 REMARK 350 BIOMT2 21 0.986572 0.163326 0.000000 -23.23871 REMARK 350 BIOMT3 21 0.000000 0.000000 1.000000 28.16000 REMARK 350 BIOMT1 22 -0.218654 -0.975802 0.000000 340.20661 REMARK 350 BIOMT2 22 0.975802 -0.218654 0.000000 37.64931 REMARK 350 BIOMT3 22 0.000000 0.000000 1.000000 29.56800 REMARK 350 BIOMT1 23 -0.568705 -0.822541 0.000000 370.71497 REMARK 350 BIOMT2 23 0.822541 -0.568705 0.000000 115.67783 REMARK 350 BIOMT3 23 0.000000 0.000000 1.000000 30.97600 REMARK 350 BIOMT1 24 -0.835712 -0.549169 0.000000 369.72798 REMARK 350 BIOMT2 24 0.549169 -0.835712 0.000000 199.45274 REMARK 350 BIOMT3 24 0.000000 0.000000 1.000000 32.38400 REMARK 350 BIOMT1 25 -0.980683 -0.195604 0.000000 337.38975 REMARK 350 BIOMT2 25 0.195604 -0.980683 0.000000 276.74082 REMARK 350 BIOMT3 25 0.000000 0.000000 1.000000 33.79200 REMARK 350 BIOMT1 26 -0.982450 0.186524 0.000000 278.42246 REMARK 350 BIOMT2 26 -0.186524 -0.982450 0.000000 336.25611 REMARK 350 BIOMT3 26 0.000000 0.000000 1.000000 35.20000 REMARK 350 BIOMT1 27 -0.840756 0.541415 0.000000 201.43682 REMARK 350 BIOMT2 27 -0.541415 -0.840756 0.000000 369.30788 REMARK 350 BIOMT3 27 0.000000 0.000000 1.000000 36.60800 REMARK 350 BIOMT1 28 -0.576290 0.817245 0.000000 117.67462 REMARK 350 BIOMT2 28 -0.817245 -0.576290 0.000000 371.06976 REMARK 350 BIOMT3 28 0.000000 0.000000 1.000000 38.01600 REMARK 350 BIOMT1 29 -0.227671 0.973738 0.000000 39.36724 REMARK 350 BIOMT2 29 -0.973738 -0.227671 0.000000 341.28447 REMARK 350 BIOMT3 29 0.000000 0.000000 1.000000 39.42400 REMARK 350 BIOMT1 30 0.154193 0.988041 0.000000 -22.05051 REMARK 350 BIOMT2 30 -0.988041 0.154193 0.000000 284.30140 REMARK 350 BIOMT3 30 0.000000 0.000000 1.000000 40.83200 REMARK 350 BIOMT1 31 0.513541 0.858065 0.000000 -57.61010 REMARK 350 BIOMT2 31 -0.858065 0.513541 0.000000 208.44150 REMARK 350 BIOMT3 31 0.000000 0.000000 1.000000 42.24000 REMARK 350 BIOMT1 32 0.797900 0.602790 0.000000 -62.11896 REMARK 350 BIOMT2 32 -0.602790 0.797900 0.000000 124.78219 REMARK 350 BIOMT3 32 0.000000 0.000000 1.000000 43.64800 REMARK 350 BIOMT1 33 0.965745 0.259493 0.000000 -34.91868 REMARK 350 BIOMT2 33 -0.259493 0.965745 0.000000 45.53982 REMARK 350 BIOMT3 33 0.000000 0.000000 1.000000 45.05600 REMARK 350 BIOMT1 34 0.992567 -0.121696 0.000000 20.01882 REMARK 350 BIOMT2 34 0.121696 0.992567 0.000000 -17.71427 REMARK 350 BIOMT3 34 0.000000 0.000000 1.000000 46.46400 REMARK 350 BIOMT1 35 0.874450 -0.485115 0.000000 94.67131 REMARK 350 BIOMT2 35 0.485115 0.874450 0.000000 -55.74341 REMARK 350 BIOMT3 35 0.000000 0.000000 1.000000 47.87200 REMARK 350 BIOMT1 36 0.628642 -0.777695 0.000000 178.13767 REMARK 350 BIOMT2 36 0.777695 0.628642 0.000000 -62.99440 REMARK 350 BIOMT3 36 0.000000 0.000000 1.000000 49.28000 REMARK 350 BIOMT1 37 0.291036 -0.956712 0.000000 258.22973 REMARK 350 BIOMT2 37 0.956712 0.291036 0.000000 -38.40841 REMARK 350 BIOMT3 37 0.000000 0.000000 1.000000 50.68800 REMARK 350 BIOMT1 38 -0.089068 -0.996026 0.000000 323.25207 REMARK 350 BIOMT2 38 0.996026 -0.089068 0.000000 14.42439 REMARK 350 BIOMT3 38 0.000000 0.000000 1.000000 52.09600 REMARK 350 BIOMT1 39 -0.456166 -0.889895 0.000000 363.70981 REMARK 350 BIOMT2 39 0.889895 -0.456166 0.000000 87.78911 REMARK 350 BIOMT3 39 0.000000 0.000000 1.000000 53.50400 REMARK 350 BIOMT1 40 -0.756653 -0.653817 0.000000 373.69512 REMARK 350 BIOMT2 40 0.653817 -0.756653 0.000000 170.97266 REMARK 350 BIOMT3 40 0.000000 0.000000 1.000000 54.91200 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 SER A 154 REMARK 465 GLY A 155 REMARK 465 PRO A 156 REMARK 465 ALA A 157 REMARK 465 THR A 158 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 ASN A 91 78.39 -119.33 REMARK 500 VAL A 96 -60.95 -106.93 REMARK 500 ASN A 98 31.30 -99.46 REMARK 500 REMARK 500 REMARK: NULL REMARK 525 REMARK 525 SOLVENT REMARK 525 REMARK 525 THE SOLVENT MOLECULES HAVE CHAIN IDENTIFIERS THAT REMARK 525 INDICATE THE POLYMER CHAIN WITH WHICH THEY ARE MOST REMARK 525 CLOSELY ASSOCIATED. THE REMARK LISTS ALL THE SOLVENT REMARK 525 MOLECULES WHICH ARE MORE THAN 5A AWAY FROM THE REMARK 525 NEAREST POLYMER CHAIN (M = MODEL NUMBER; REMARK 525 RES=RESIDUE NAME; C=CHAIN IDENTIFIER; SSEQ=SEQUENCE REMARK 525 NUMBER; I=INSERTION CODE): REMARK 525 REMARK 525 M RES CSSEQI REMARK 525 HOH A 368 DISTANCE = 6.63 ANGSTROMS 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 ASN A 101 OD1 REMARK 620 2 PRO A 102 O 78.6 REMARK 620 3 HOH A 347 O 70.9 146.1 REMARK 620 4 HOH A 360 O 87.0 85.8 78.2 REMARK 620 N 1 2 3 REMARK 620 REMARK 620 COORDINATION ANGLES FOR: M RES CSSEQI METAL REMARK 620 MG R 104 MG REMARK 620 N RES CSSEQI ATOM REMARK 620 1 G R 4 OP2 REMARK 620 2 HOH R 203 O 120.0 REMARK 620 N 1 REMARK 620 REMARK 620 COORDINATION ANGLES FOR: M RES CSSEQI METAL REMARK 620 MG R 103 MG REMARK 620 N RES CSSEQI ATOM REMARK 620 1 A R 5 OP1 REMARK 620 2 A R 6 OP1 107.6 REMARK 620 N 1 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 MG R 101 REMARK 800 REMARK 800 SITE_IDENTIFIER: AC3 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: binding site for residue MG R 102 REMARK 800 REMARK 800 SITE_IDENTIFIER: AC4 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: binding site for residue MG R 103 REMARK 800 REMARK 800 SITE_IDENTIFIER: AC5 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: binding site for residue MG R 104 REMARK 900 REMARK 900 RELATED ENTRIES REMARK 900 RELATED ID: EMD-10130 RELATED DB: EMDB REMARK 900 CRYO-EM STRUCTURE OF TMV WITH CA2+ AT LOW PH DBREF 6SAG A 1 158 UNP P69687 CAPSD_TMV 2 159 DBREF 6SAG R 4 6 PDB 6SAG 6SAG 4 6 SEQADV 6SAG ACE A 0 UNP P69687 ACETYLATION SEQRES 1 A 159 ACE SER TYR SER ILE THR THR PRO SER GLN PHE VAL PHE SEQRES 2 A 159 LEU SER SER ALA TRP ALA ASP PRO ILE GLU LEU ILE ASN SEQRES 3 A 159 LEU CYS THR ASN ALA LEU GLY ASN GLN PHE GLN THR GLN SEQRES 4 A 159 GLN ALA ARG THR VAL VAL GLN ARG GLN PHE SER GLU VAL SEQRES 5 A 159 TRP LYS PRO SER PRO GLN VAL THR VAL ARG PHE PRO ASP SEQRES 6 A 159 SER ASP PHE LYS VAL TYR ARG TYR ASN ALA VAL LEU ASP SEQRES 7 A 159 PRO LEU VAL THR ALA LEU LEU GLY ALA PHE ASP THR ARG SEQRES 8 A 159 ASN ARG ILE ILE GLU VAL GLU ASN GLN ALA ASN PRO THR SEQRES 9 A 159 THR ALA GLU THR LEU ASP ALA THR ARG ARG VAL ASP ASP SEQRES 10 A 159 ALA THR VAL ALA ILE ARG SER ALA ILE ASN ASN LEU ILE SEQRES 11 A 159 VAL GLU LEU ILE ARG GLY THR GLY SER TYR ASN ARG SER SEQRES 12 A 159 SER PHE GLU SER SER SER GLY LEU VAL TRP THR SER GLY SEQRES 13 A 159 PRO ALA THR SEQRES 1 R 3 G A A HET ACE A 0 3 HET CA A 201 1 HET MG R 101 1 HET MG R 102 1 HET MG R 103 1 HET MG R 104 1 HETNAM ACE ACETYL GROUP HETNAM CA CALCIUM ION HETNAM MG MAGNESIUM ION FORMUL 1 ACE C2 H4 O FORMUL 3 CA CA 2+ FORMUL 4 MG 4(MG 2+) FORMUL 8 HOH *71(H2 O) HELIX 1 AA1 THR A 6 SER A 14 5 9 HELIX 2 AA2 ASP A 19 LEU A 31 1 13 HELIX 3 AA3 THR A 37 VAL A 51 1 15 HELIX 4 AA4 VAL A 75 PHE A 87 1 13 HELIX 5 AA5 ASN A 91 GLU A 97 1 7 HELIX 6 AA6 THR A 103 ARG A 134 1 32 HELIX 7 AA7 ASN A 140 GLY A 149 1 10 SHEET 1 AA1 3 TRP A 17 ALA A 18 0 SHEET 2 AA1 3 LYS A 68 TYR A 70 -1 O VAL A 69 N ALA A 18 SHEET 3 AA1 3 SER A 138 TYR A 139 -1 O TYR A 139 N LYS A 68 LINK C ACE A 0 N SER A 1 1555 1555 1.33 LINK OD1 ASN A 101 CA CA A 201 1555 1555 2.55 LINK O PRO A 102 CA CA A 201 1555 1555 2.46 LINK CA CA A 201 O HOH A 347 1555 1555 2.78 LINK CA CA A 201 O HOH A 360 1555 1555 2.73 LINK OP2 G R 4 MG MG R 104 1555 1555 2.53 LINK OP2 A R 5 MG MG R 101 1555 1555 2.61 LINK OP1 A R 5 MG MG R 103 1555 1555 2.62 LINK OP1 A R 6 MG MG R 103 1555 1555 2.62 LINK MG MG R 104 O HOH R 203 1555 1555 2.64 SITE 1 AC1 4 ASN A 101 PRO A 102 HOH A 347 HOH A 360 SITE 1 AC2 2 A R 5 MG R 103 SITE 1 AC3 1 G R 4 SITE 1 AC4 3 A R 5 A R 6 MG R 101 SITE 1 AC5 2 G R 4 HOH R 203 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 HETATM 1 C ACE A 0 196.865 80.697 155.470 1.00 24.96 C HETATM 2 O ACE A 0 196.615 81.314 156.503 1.00 24.96 O HETATM 3 CH3 ACE A 0 197.015 79.208 155.445 1.00 24.96 C