HEADER PHOTOSYNTHESIS 22-OCT-23 8QX5 TITLE HELICAL CAROTENOID PROTEIN 4 (HCP4) FROM ANABAENA WITH BOUND TITLE 2 CANTHAXANTHIN COMPND MOL_ID: 1; COMPND 2 MOLECULE: ORANGE CAROTENOID-BINDING DOMAIN-CONTAINING PROTEIN; COMPND 3 CHAIN: A, B; COMPND 4 ENGINEERED: YES SOURCE MOL_ID: 1; SOURCE 2 ORGANISM_SCIENTIFIC: CYANOBACTERIOTA; SOURCE 3 ORGANISM_COMMON: BLUE-GREEN ALGAE; SOURCE 4 ORGANISM_TAXID: 1117; SOURCE 5 STRAIN: ANABAENA; SOURCE 6 GENE: ALL4941; SOURCE 7 EXPRESSION_SYSTEM: ESCHERICHIA COLI BL21(DE3); SOURCE 8 EXPRESSION_SYSTEM_TAXID: 469008 KEYWDS PHOTOPROTECTION, SOLUBLE PROTEINS, ORANGE CAROTENOID PROTEIN, KEYWDS 2 CYANOBACTERIA, PHOTOSYNTHESIS EXPDTA X-RAY DIFFRACTION AUTHOR J.SKLYAR,A.WILSON,D.KIRILOVSKY,N.ADIR REVDAT 2 10-APR-24 8QX5 1 JRNL REVDAT 1 03-APR-24 8QX5 0 JRNL AUTH J.SKLYAR,A.WILSON,D.KIRILOVSKY,N.ADIR JRNL TITL INSIGHTS INTO ENERGY QUENCHING MECHANISMS AND CAROTENOID JRNL TITL 2 UPTAKE BY ORANGE CAROTENOID PROTEIN HOMOLOGS: HCP4 AND CTDH. JRNL REF INT.J.BIOL.MACROMOL. V. 265 31028 2024 JRNL REFN ISSN 0141-8130 JRNL PMID 38521321 JRNL DOI 10.1016/J.IJBIOMAC.2024.131028 REMARK 2 REMARK 2 RESOLUTION. 1.90 ANGSTROMS. REMARK 3 REMARK 3 REFINEMENT. REMARK 3 PROGRAM : PHENIX 1.20.1_4487 REMARK 3 AUTHORS : PAUL ADAMS,PAVEL AFONINE,VINCENT CHEN,IAN REMARK 3 : DAVIS,KRESHNA GOPAL,RALF GROSSE-KUNSTLEVE, REMARK 3 : LI-WEI HUNG,ROBERT IMMORMINO,TOM IOERGER, REMARK 3 : AIRLIE MCCOY,ERIK MCKEE,NIGEL MORIARTY, REMARK 3 : REETAL PAI,RANDY READ,JANE RICHARDSON, REMARK 3 : DAVID RICHARDSON,TOD ROMO,JIM SACCHETTINI, REMARK 3 : NICHOLAS SAUTER,JACOB SMITH,LAURENT REMARK 3 : STORONI,TOM TERWILLIGER,PETER ZWART REMARK 3 REMARK 3 REFINEMENT TARGET : GEOSTD + MONOMER LIBRARY + CDL V1.2 REMARK 3 REMARK 3 DATA USED IN REFINEMENT. REMARK 3 RESOLUTION RANGE HIGH (ANGSTROMS) : 1.90 REMARK 3 RESOLUTION RANGE LOW (ANGSTROMS) : 29.73 REMARK 3 MIN(FOBS/SIGMA_FOBS) : NULL REMARK 3 COMPLETENESS FOR RANGE (%) : 99.9 REMARK 3 NUMBER OF REFLECTIONS : 27070 REMARK 3 REMARK 3 FIT TO DATA USED IN REFINEMENT. REMARK 3 R VALUE (WORKING + TEST SET) : NULL REMARK 3 R VALUE (WORKING SET) : 0.194 REMARK 3 FREE R VALUE : 0.218 REMARK 3 FREE R VALUE TEST SET SIZE (%) : 5.010 REMARK 3 FREE R VALUE TEST SET COUNT : 1357 REMARK 3 REMARK 3 FIT TO DATA USED IN REFINEMENT (IN BINS). REMARK 3 BIN RESOLUTION RANGE COMPL. NWORK NFREE RWORK RFREE REMARK 3 1 29.7300 - 4.0900 1.00 2810 145 0.2042 0.2137 REMARK 3 2 4.0900 - 3.2400 1.00 2606 144 0.1698 0.1867 REMARK 3 3 3.2400 - 2.8300 1.00 2590 129 0.1857 0.2361 REMARK 3 4 2.8300 - 2.5800 1.00 2574 138 0.1883 0.1900 REMARK 3 5 2.5800 - 2.3900 1.00 2537 141 0.2025 0.2553 REMARK 3 6 2.3900 - 2.2500 1.00 2553 130 0.1935 0.2095 REMARK 3 7 2.2500 - 2.1400 1.00 2510 138 0.1836 0.2181 REMARK 3 8 2.1400 - 2.0400 1.00 2497 135 0.1963 0.2232 REMARK 3 9 2.0400 - 1.9700 1.00 2531 142 0.2234 0.2691 REMARK 3 10 1.9660 - 1.9000 0.99 2505 115 0.2681 0.3644 REMARK 3 REMARK 3 BULK SOLVENT MODELLING. REMARK 3 METHOD USED : FLAT BULK SOLVENT MODEL REMARK 3 SOLVENT RADIUS : 1.10 REMARK 3 SHRINKAGE RADIUS : 0.90 REMARK 3 K_SOL : NULL REMARK 3 B_SOL : NULL REMARK 3 REMARK 3 ERROR ESTIMATES. REMARK 3 COORDINATE ERROR (MAXIMUM-LIKELIHOOD BASED) : 0.221 REMARK 3 PHASE ERROR (DEGREES, MAXIMUM-LIKELIHOOD BASED) : 22.124 REMARK 3 REMARK 3 B VALUES. REMARK 3 FROM WILSON PLOT (A**2) : NULL REMARK 3 MEAN B VALUE (OVERALL, A**2) : NULL REMARK 3 OVERALL ANISOTROPIC B VALUE. REMARK 3 B11 (A**2) : NULL REMARK 3 B22 (A**2) : NULL REMARK 3 B33 (A**2) : NULL REMARK 3 B12 (A**2) : NULL REMARK 3 B13 (A**2) : NULL REMARK 3 B23 (A**2) : NULL REMARK 3 REMARK 3 TWINNING INFORMATION. REMARK 3 FRACTION: NULL REMARK 3 OPERATOR: NULL REMARK 3 REMARK 3 DEVIATIONS FROM IDEAL VALUES. REMARK 3 RMSD COUNT REMARK 3 BOND : 0.008 2520 REMARK 3 ANGLE : 0.995 3421 REMARK 3 CHIRALITY : 0.058 391 REMARK 3 PLANARITY : 0.009 444 REMARK 3 DIHEDRAL : 14.495 375 REMARK 3 REMARK 3 TLS DETAILS REMARK 3 NUMBER OF TLS GROUPS : NULL REMARK 3 REMARK 3 NCS DETAILS REMARK 3 NUMBER OF NCS GROUPS : NULL REMARK 3 REMARK 3 OTHER REFINEMENT REMARKS: NULL REMARK 4 REMARK 4 8QX5 COMPLIES WITH FORMAT V. 3.30, 13-JUL-11 REMARK 100 REMARK 100 THIS ENTRY HAS BEEN PROCESSED BY PDBE ON 22-OCT-23. REMARK 100 THE DEPOSITION ID IS D_1292134234. REMARK 200 REMARK 200 EXPERIMENTAL DETAILS REMARK 200 EXPERIMENT TYPE : X-RAY DIFFRACTION REMARK 200 DATE OF DATA COLLECTION : 27-JUL-23 REMARK 200 TEMPERATURE (KELVIN) : 100 REMARK 200 PH : 5.6 REMARK 200 NUMBER OF CRYSTALS USED : 1 REMARK 200 REMARK 200 SYNCHROTRON (Y/N) : Y REMARK 200 RADIATION SOURCE : DIAMOND REMARK 200 BEAMLINE : I04 REMARK 200 X-RAY GENERATOR MODEL : NULL REMARK 200 MONOCHROMATIC OR LAUE (M/L) : M REMARK 200 WAVELENGTH OR RANGE (A) : 0.9537 REMARK 200 MONOCHROMATOR : NULL REMARK 200 OPTICS : NULL REMARK 200 REMARK 200 DETECTOR TYPE : PIXEL REMARK 200 DETECTOR MANUFACTURER : DECTRIS EIGER2 XE 16M REMARK 200 INTENSITY-INTEGRATION SOFTWARE : XDS REMARK 200 DATA SCALING SOFTWARE : POINTLESS REMARK 200 REMARK 200 NUMBER OF UNIQUE REFLECTIONS : 27148 REMARK 200 RESOLUTION RANGE HIGH (A) : 1.900 REMARK 200 RESOLUTION RANGE LOW (A) : 29.730 REMARK 200 REJECTION CRITERIA (SIGMA(I)) : NULL REMARK 200 REMARK 200 OVERALL. REMARK 200 COMPLETENESS FOR RANGE (%) : 99.9 REMARK 200 DATA REDUNDANCY : 26.20 REMARK 200 R MERGE (I) : 0.08900 REMARK 200 R SYM (I) : NULL REMARK 200 FOR THE DATA SET : 25.0000 REMARK 200 REMARK 200 IN THE HIGHEST RESOLUTION SHELL. REMARK 200 HIGHEST RESOLUTION SHELL, RANGE HIGH (A) : 1.90 REMARK 200 HIGHEST RESOLUTION SHELL, RANGE LOW (A) : 1.94 REMARK 200 COMPLETENESS FOR SHELL (%) : NULL REMARK 200 DATA REDUNDANCY IN SHELL : NULL REMARK 200 R MERGE FOR SHELL (I) : NULL REMARK 200 R SYM FOR SHELL (I) : NULL REMARK 200 FOR SHELL : NULL REMARK 200 REMARK 200 DIFFRACTION PROTOCOL: SINGLE WAVELENGTH REMARK 200 METHOD USED TO DETERMINE THE STRUCTURE: MOLECULAR REPLACEMENT REMARK 200 SOFTWARE USED: PHASER REMARK 200 STARTING MODEL: NULL REMARK 200 REMARK 200 REMARK: NULL REMARK 280 REMARK 280 CRYSTAL REMARK 280 SOLVENT CONTENT, VS (%): 41.12 REMARK 280 MATTHEWS COEFFICIENT, VM (ANGSTROMS**3/DA): 2.09 REMARK 280 REMARK 280 CRYSTALLIZATION CONDITIONS: 0.095M SODIUM CITRATE TRIBASIC REMARK 280 DIHYDRATE PH=5.6, 19% V/V 2-PROPANOL, 19% W/V PEG 4000, 5% REMARK 280 GLYCEROL, PH 5.6, VAPOR DIFFUSION, HANGING DROP, TEMPERATURE 293K REMARK 290 REMARK 290 CRYSTALLOGRAPHIC SYMMETRY REMARK 290 SYMMETRY OPERATORS FOR SPACE GROUP: P 41 2 2 REMARK 290 REMARK 290 SYMOP SYMMETRY REMARK 290 NNNMMM OPERATOR REMARK 290 1555 X,Y,Z REMARK 290 2555 -X,-Y,Z+1/2 REMARK 290 3555 -Y,X,Z+1/4 REMARK 290 4555 Y,-X,Z+3/4 REMARK 290 5555 -X,Y,-Z REMARK 290 6555 X,-Y,-Z+1/2 REMARK 290 7555 Y,X,-Z+3/4 REMARK 290 8555 -Y,-X,-Z+1/4 REMARK 290 REMARK 290 WHERE NNN -> OPERATOR NUMBER REMARK 290 MMM -> TRANSLATION VECTOR REMARK 290 REMARK 290 CRYSTALLOGRAPHIC SYMMETRY TRANSFORMATIONS REMARK 290 THE FOLLOWING TRANSFORMATIONS OPERATE ON THE ATOM/HETATM REMARK 290 RECORDS IN THIS ENTRY TO PRODUCE CRYSTALLOGRAPHICALLY REMARK 290 RELATED MOLECULES. REMARK 290 SMTRY1 1 1.000000 0.000000 0.000000 0.00000 REMARK 290 SMTRY2 1 0.000000 1.000000 0.000000 0.00000 REMARK 290 SMTRY3 1 0.000000 0.000000 1.000000 0.00000 REMARK 290 SMTRY1 2 -1.000000 0.000000 0.000000 0.00000 REMARK 290 SMTRY2 2 0.000000 -1.000000 0.000000 0.00000 REMARK 290 SMTRY3 2 0.000000 0.000000 1.000000 91.89000 REMARK 290 SMTRY1 3 0.000000 -1.000000 0.000000 0.00000 REMARK 290 SMTRY2 3 1.000000 0.000000 0.000000 0.00000 REMARK 290 SMTRY3 3 0.000000 0.000000 1.000000 45.94500 REMARK 290 SMTRY1 4 0.000000 1.000000 0.000000 0.00000 REMARK 290 SMTRY2 4 -1.000000 0.000000 0.000000 0.00000 REMARK 290 SMTRY3 4 0.000000 0.000000 1.000000 137.83500 REMARK 290 SMTRY1 5 -1.000000 0.000000 0.000000 0.00000 REMARK 290 SMTRY2 5 0.000000 1.000000 0.000000 0.00000 REMARK 290 SMTRY3 5 0.000000 0.000000 -1.000000 0.00000 REMARK 290 SMTRY1 6 1.000000 0.000000 0.000000 0.00000 REMARK 290 SMTRY2 6 0.000000 -1.000000 0.000000 0.00000 REMARK 290 SMTRY3 6 0.000000 0.000000 -1.000000 91.89000 REMARK 290 SMTRY1 7 0.000000 1.000000 0.000000 0.00000 REMARK 290 SMTRY2 7 1.000000 0.000000 0.000000 0.00000 REMARK 290 SMTRY3 7 0.000000 0.000000 -1.000000 137.83500 REMARK 290 SMTRY1 8 0.000000 -1.000000 0.000000 0.00000 REMARK 290 SMTRY2 8 -1.000000 0.000000 0.000000 0.00000 REMARK 290 SMTRY3 8 0.000000 0.000000 -1.000000 45.94500 REMARK 290 REMARK 290 REMARK: NULL REMARK 300 REMARK 300 BIOMOLECULE: 1, 2 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: MONOMERIC REMARK 350 APPLY THE FOLLOWING TO CHAINS: A 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 REMARK 350 BIOMOLECULE: 2 REMARK 350 AUTHOR DETERMINED BIOLOGICAL UNIT: MONOMERIC REMARK 350 APPLY THE FOLLOWING TO CHAINS: B 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 375 REMARK 375 SPECIAL POSITION REMARK 375 THE FOLLOWING ATOMS ARE FOUND TO BE WITHIN 0.15 ANGSTROMS REMARK 375 OF A SYMMETRY RELATED ATOM AND ARE ASSUMED TO BE ON SPECIAL REMARK 375 POSITIONS. REMARK 375 REMARK 375 ATOM RES CSSEQI REMARK 375 HOH A 388 LIES ON A SPECIAL POSITION. 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 MET A 1 REMARK 465 GLY A 2 REMARK 465 THR A 3 REMARK 465 PHE A 4 REMARK 465 THR A 5 REMARK 465 SER A 6 REMARK 465 ASP A 7 REMARK 465 SER A 8 REMARK 465 ALA A 9 REMARK 465 SER A 10 REMARK 465 THR A 11 REMARK 465 ARG A 12 REMARK 465 PHE A 13 REMARK 465 HIS A 172 REMARK 465 HIS A 173 REMARK 465 HIS A 174 REMARK 465 HIS A 175 REMARK 465 HIS A 176 REMARK 465 HIS A 177 REMARK 465 MET B 1 REMARK 465 GLY B 2 REMARK 465 THR B 3 REMARK 465 PHE B 4 REMARK 465 THR B 5 REMARK 465 SER B 6 REMARK 465 ASP B 7 REMARK 465 SER B 8 REMARK 465 ALA B 9 REMARK 465 SER B 10 REMARK 465 THR B 11 REMARK 465 ARG B 12 REMARK 465 PHE B 13 REMARK 465 SER B 14 REMARK 465 GLN B 15 REMARK 465 ALA B 16 REMARK 465 HIS B 172 REMARK 465 HIS B 173 REMARK 465 HIS B 174 REMARK 465 HIS B 175 REMARK 465 HIS B 176 REMARK 465 HIS B 177 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 NE2 GLN A 15 O HOH A 301 1.91 REMARK 500 NZ LYS A 76 O HOH A 302 2.01 REMARK 500 O HOH A 371 O HOH A 378 2.01 REMARK 500 OE1 GLU B 116 O HOH B 301 2.07 REMARK 500 OD1 ASP B 168 O HOH B 302 2.08 REMARK 500 O HOH B 315 O HOH B 392 2.12 REMARK 500 O HOH B 386 O HOH B 388 2.19 REMARK 500 REMARK 500 REMARK: NULL DBREF 8QX5 A 3 171 UNP Q8YMJ2 CROTO_NOSS1 2 170 DBREF 8QX5 B 3 171 UNP Q8YMJ2 CROTO_NOSS1 2 170 SEQADV 8QX5 MET A 1 UNP Q8YMJ2 INITIATING METHIONINE SEQADV 8QX5 GLY A 2 UNP Q8YMJ2 EXPRESSION TAG SEQADV 8QX5 HIS A 172 UNP Q8YMJ2 EXPRESSION TAG SEQADV 8QX5 HIS A 173 UNP Q8YMJ2 EXPRESSION TAG SEQADV 8QX5 HIS A 174 UNP Q8YMJ2 EXPRESSION TAG SEQADV 8QX5 HIS A 175 UNP Q8YMJ2 EXPRESSION TAG SEQADV 8QX5 HIS A 176 UNP Q8YMJ2 EXPRESSION TAG SEQADV 8QX5 HIS A 177 UNP Q8YMJ2 EXPRESSION TAG SEQADV 8QX5 MET B 1 UNP Q8YMJ2 INITIATING METHIONINE SEQADV 8QX5 GLY B 2 UNP Q8YMJ2 EXPRESSION TAG SEQADV 8QX5 HIS B 172 UNP Q8YMJ2 EXPRESSION TAG SEQADV 8QX5 HIS B 173 UNP Q8YMJ2 EXPRESSION TAG SEQADV 8QX5 HIS B 174 UNP Q8YMJ2 EXPRESSION TAG SEQADV 8QX5 HIS B 175 UNP Q8YMJ2 EXPRESSION TAG SEQADV 8QX5 HIS B 176 UNP Q8YMJ2 EXPRESSION TAG SEQADV 8QX5 HIS B 177 UNP Q8YMJ2 EXPRESSION TAG SEQRES 1 A 177 MET GLY THR PHE THR SER ASP SER ALA SER THR ARG PHE SEQRES 2 A 177 SER GLN ALA PHE GLY ILE GLN THR GLY ASP ALA VAL ALA SEQRES 3 A 177 SER THR ILE THR VAL PHE GLN ALA LEU SER ILE ASP ASP SEQRES 4 A 177 GLN LEU ALA VAL LEU TRP TYR ALA TYR THR GLU MET GLY SEQRES 5 A 177 ARG SER ILE THR PRO ALA ALA THR GLY ALA ALA ARG LEU SEQRES 6 A 177 GLN LEU ALA GLU GLY LEU LEU ASN GLN ILE LYS GLN MET SEQRES 7 A 177 SER HIS ALA GLU GLN LEU GLN VAL MET ARG ASP LEU ALA SEQRES 8 A 177 ALA LYS ASN ASN THR GLN VAL SER ARG SER TYR GLY ILE SEQRES 9 A 177 LEU SER ASN ASN THR LYS LEU ALA PHE TRP TYR GLU LEU SEQRES 10 A 177 SER GLU LEU MET VAL LYS GLY PHE VAL VAL PRO VAL PRO SEQRES 11 A 177 THR ASP TYR LYS ILE SER ARG ASP GLY SER GLN VAL LEU SEQRES 12 A 177 GLU ALA LEU LYS GLY LEU ASP PHE GLY GLN GLN ILE THR SEQRES 13 A 177 VAL LEU ARG LYS VAL VAL ALA ASP MET GLY VAL ASP PRO SEQRES 14 A 177 LEU ALA HIS HIS HIS HIS HIS HIS SEQRES 1 B 177 MET GLY THR PHE THR SER ASP SER ALA SER THR ARG PHE SEQRES 2 B 177 SER GLN ALA PHE GLY ILE GLN THR GLY ASP ALA VAL ALA SEQRES 3 B 177 SER THR ILE THR VAL PHE GLN ALA LEU SER ILE ASP ASP SEQRES 4 B 177 GLN LEU ALA VAL LEU TRP TYR ALA TYR THR GLU MET GLY SEQRES 5 B 177 ARG SER ILE THR PRO ALA ALA THR GLY ALA ALA ARG LEU SEQRES 6 B 177 GLN LEU ALA GLU GLY LEU LEU ASN GLN ILE LYS GLN MET SEQRES 7 B 177 SER HIS ALA GLU GLN LEU GLN VAL MET ARG ASP LEU ALA SEQRES 8 B 177 ALA LYS ASN ASN THR GLN VAL SER ARG SER TYR GLY ILE SEQRES 9 B 177 LEU SER ASN ASN THR LYS LEU ALA PHE TRP TYR GLU LEU SEQRES 10 B 177 SER GLU LEU MET VAL LYS GLY PHE VAL VAL PRO VAL PRO SEQRES 11 B 177 THR ASP TYR LYS ILE SER ARG ASP GLY SER GLN VAL LEU SEQRES 12 B 177 GLU ALA LEU LYS GLY LEU ASP PHE GLY GLN GLN ILE THR SEQRES 13 B 177 VAL LEU ARG LYS VAL VAL ALA ASP MET GLY VAL ASP PRO SEQRES 14 B 177 LEU ALA HIS HIS HIS HIS HIS HIS HET 45D A 201 94 HET 45D B 201 94 HETNAM 45D BETA,BETA-CAROTENE-4,4'-DIONE HETSYN 45D ISOMER OF CANTHAXANTHIN FORMUL 3 45D 2(C40 H52 O2) FORMUL 5 HOH *186(H2 O) HELIX 1 AA1 ASP A 23 ALA A 34 1 12 HELIX 2 AA2 SER A 36 GLY A 52 1 17 HELIX 3 AA3 LEU A 65 MET A 78 1 14 HELIX 4 AA4 SER A 79 LYS A 93 1 15 HELIX 5 AA5 THR A 96 ILE A 104 1 9 HELIX 6 AA6 SER A 106 LYS A 123 1 18 HELIX 7 AA7 SER A 136 LEU A 149 1 14 HELIX 8 AA8 ASP A 150 ASP A 164 1 15 HELIX 9 AA9 ASP B 23 ALA B 34 1 12 HELIX 10 AB1 SER B 36 GLY B 52 1 17 HELIX 11 AB2 THR B 56 ARG B 64 5 9 HELIX 12 AB3 LEU B 65 GLN B 77 1 13 HELIX 13 AB4 SER B 79 LYS B 93 1 15 HELIX 14 AB5 THR B 96 ILE B 104 1 9 HELIX 15 AB6 SER B 106 LYS B 123 1 18 HELIX 16 AB7 SER B 136 LEU B 149 1 14 HELIX 17 AB8 ASP B 150 ASP B 164 1 15 CRYST1 59.468 59.468 183.780 90.00 90.00 90.00 P 41 2 2 16 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 0.016816 0.000000 0.000000 0.00000 SCALE2 0.000000 0.016816 0.000000 0.00000 SCALE3 0.000000 0.000000 0.005441 0.00000