HEADER LIGASE 14-SEP-22 8EI2 TITLE CRYSTAL STRUCTURE OF THE N-TERMINAL DOMAIN OF CUL5 IN COMPLEX WITH TITLE 2 H314, A HELICON POLYPEPTIDE COMPND MOL_ID: 1; COMPND 2 MOLECULE: CULLIN-5; COMPND 3 CHAIN: A; COMPND 4 FRAGMENT: N-TERMINAL DOMAIN; COMPND 5 SYNONYM: CUL-5,VASOPRESSIN-ACTIVATED CALCIUM-MOBILIZING RECEPTOR 1, COMPND 6 VACM-1; COMPND 7 ENGINEERED: YES; COMPND 8 MOL_ID: 2; COMPND 9 MOLECULE: H314; COMPND 10 CHAIN: C; COMPND 11 ENGINEERED: YES SOURCE MOL_ID: 1; SOURCE 2 ORGANISM_SCIENTIFIC: HOMO SAPIENS; SOURCE 3 ORGANISM_COMMON: HUMAN; SOURCE 4 ORGANISM_TAXID: 9606; SOURCE 5 GENE: CUL5, VACM1; SOURCE 6 EXPRESSION_SYSTEM: ESCHERICHIA COLI; SOURCE 7 EXPRESSION_SYSTEM_TAXID: 562; SOURCE 8 MOL_ID: 2; SOURCE 9 SYNTHETIC: YES; SOURCE 10 ORGANISM_SCIENTIFIC: SYNTHETIC CONSTRUCT; SOURCE 11 ORGANISM_TAXID: 32630 KEYWDS E3 LIGASE, COMPLEX, STAPLED PEPTIDE, LIGASE EXPDTA X-RAY DIFFRACTION AUTHOR K.LI,O.S.TOKAREVA,T.M.THOMSON,G.L.VERDINE,J.H.MCGEE REVDAT 2 15-NOV-23 8EI2 1 JRNL REVDAT 1 25-OCT-23 8EI2 0 JRNL AUTH O.S.TOKAREVA,K.LI,T.L.TRAVALINE,T.M.THOMSON,J.M.SWIECICKI, JRNL AUTH 2 M.MOUSSA,J.D.RAMIREZ,S.LITCHMAN,G.L.VERDINE,J.H.MCGEE JRNL TITL RECOGNITION AND REPROGRAMMING OF E3 UBIQUITIN LIGASE JRNL TITL 2 SURFACES BY ALPHA-HELICAL PEPTIDES. JRNL REF NAT COMMUN V. 14 6992 2023 JRNL REFN ESSN 2041-1723 JRNL PMID 37914719 JRNL DOI 10.1038/S41467-023-42395-Z REMARK 2 REMARK 2 RESOLUTION. 2.80 ANGSTROMS. REMARK 3 REMARK 3 REFINEMENT. REMARK 3 PROGRAM : PHENIX 1.18.2_3874 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) : 2.80 REMARK 3 RESOLUTION RANGE LOW (ANGSTROMS) : 47.88 REMARK 3 MIN(FOBS/SIGMA_FOBS) : 1.360 REMARK 3 COMPLETENESS FOR RANGE (%) : 67.3 REMARK 3 NUMBER OF REFLECTIONS : 16542 REMARK 3 REMARK 3 FIT TO DATA USED IN REFINEMENT. REMARK 3 R VALUE (WORKING + TEST SET) : 0.340 REMARK 3 R VALUE (WORKING SET) : 0.339 REMARK 3 FREE R VALUE : 0.358 REMARK 3 FREE R VALUE TEST SET SIZE (%) : 5.110 REMARK 3 FREE R VALUE TEST SET COUNT : 845 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 47.8800 - 5.0900 0.97 3900 167 0.3413 0.3464 REMARK 3 2 5.0900 - 4.0400 0.97 3839 161 0.3244 0.2970 REMARK 3 3 4.0400 - 3.5300 0.81 3116 200 0.3336 0.3464 REMARK 3 4 3.5300 - 3.2100 0.61 2338 137 0.3389 0.3752 REMARK 3 5 3.2100 - 2.9800 0.43 1618 131 0.3591 0.4242 REMARK 3 6 2.9800 - 2.8000 0.23 886 49 0.3976 0.5070 REMARK 3 REMARK 3 BULK SOLVENT MODELLING. REMARK 3 METHOD USED : FLAT BULK SOLVENT MODEL REMARK 3 SOLVENT RADIUS : 1.11 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) : 0.485 REMARK 3 PHASE ERROR (DEGREES, MAXIMUM-LIKELIHOOD BASED) : 33.618 REMARK 3 REMARK 3 B VALUES. REMARK 3 FROM WILSON PLOT (A**2) : -4.64 REMARK 3 MEAN B VALUE (OVERALL, A**2) : 20.32 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: 0.8500 REMARK 3 OPERATOR: H,-H-K,-L REMARK 3 REMARK 3 DEVIATIONS FROM IDEAL VALUES. REMARK 3 RMSD COUNT REMARK 3 BOND : 0.009 3125 REMARK 3 ANGLE : 1.009 4212 REMARK 3 CHIRALITY : 0.054 462 REMARK 3 PLANARITY : 0.006 540 REMARK 3 DIHEDRAL : 17.347 1174 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 8EI2 COMPLIES WITH FORMAT V. 3.30, 13-JUL-11 REMARK 100 REMARK 100 THIS ENTRY HAS BEEN PROCESSED BY RCSB ON 16-SEP-22. REMARK 100 THE DEPOSITION ID IS D_1000268327. REMARK 200 REMARK 200 EXPERIMENTAL DETAILS REMARK 200 EXPERIMENT TYPE : X-RAY DIFFRACTION REMARK 200 DATE OF DATA COLLECTION : 12-NOV-20 REMARK 200 TEMPERATURE (KELVIN) : 100 REMARK 200 PH : 6.5 REMARK 200 NUMBER OF CRYSTALS USED : 1 REMARK 200 REMARK 200 SYNCHROTRON (Y/N) : Y REMARK 200 RADIATION SOURCE : SPRING-8 REMARK 200 BEAMLINE : BL45XU REMARK 200 X-RAY GENERATOR MODEL : NULL REMARK 200 MONOCHROMATIC OR LAUE (M/L) : M REMARK 200 WAVELENGTH OR RANGE (A) : 1.000 REMARK 200 MONOCHROMATOR : NULL REMARK 200 OPTICS : NULL REMARK 200 REMARK 200 DETECTOR TYPE : PIXEL REMARK 200 DETECTOR MANUFACTURER : DECTRIS PILATUS 6M REMARK 200 INTENSITY-INTEGRATION SOFTWARE : XDS REMARK 200 DATA SCALING SOFTWARE : AIMLESS REMARK 200 REMARK 200 NUMBER OF UNIQUE REFLECTIONS : 24154 REMARK 200 RESOLUTION RANGE HIGH (A) : 2.800 REMARK 200 RESOLUTION RANGE LOW (A) : 47.880 REMARK 200 REJECTION CRITERIA (SIGMA(I)) : NULL REMARK 200 REMARK 200 OVERALL. REMARK 200 COMPLETENESS FOR RANGE (%) : 98.2 REMARK 200 DATA REDUNDANCY : 13.20 REMARK 200 R MERGE (I) : 0.32200 REMARK 200 R SYM (I) : NULL REMARK 200 FOR THE DATA SET : 5.0000 REMARK 200 REMARK 200 IN THE HIGHEST RESOLUTION SHELL. REMARK 200 HIGHEST RESOLUTION SHELL, RANGE HIGH (A) : 2.80 REMARK 200 HIGHEST RESOLUTION SHELL, RANGE LOW (A) : 2.95 REMARK 200 COMPLETENESS FOR SHELL (%) : 99.3 REMARK 200 DATA REDUNDANCY IN SHELL : 13.70 REMARK 200 R MERGE FOR SHELL (I) : NULL REMARK 200 R SYM FOR SHELL (I) : NULL REMARK 200 FOR SHELL : 1.800 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: 2WZK REMARK 200 REMARK 200 REMARK: NULL REMARK 280 REMARK 280 CRYSTAL REMARK 280 SOLVENT CONTENT, VS (%): 76.80 REMARK 280 MATTHEWS COEFFICIENT, VM (ANGSTROMS**3/DA): 5.30 REMARK 280 REMARK 280 CRYSTALLIZATION CONDITIONS: 30% W/V PEG 8000, 0.1M MES SODIUM SALT REMARK 280 PH6.5, 0.2M AMMONIUM SULFATE, 4% V/V 1,3-PROPANEDIOL, VAPOR REMARK 280 DIFFUSION, SITTING DROP, TEMPERATURE 291K REMARK 290 REMARK 290 CRYSTALLOGRAPHIC SYMMETRY REMARK 290 SYMMETRY OPERATORS FOR SPACE GROUP: P 6 REMARK 290 REMARK 290 SYMOP SYMMETRY REMARK 290 NNNMMM OPERATOR REMARK 290 1555 X,Y,Z REMARK 290 2555 -Y,X-Y,Z REMARK 290 3555 -X+Y,-X,Z REMARK 290 4555 -X,-Y,Z REMARK 290 5555 Y,-X+Y,Z REMARK 290 6555 X-Y,X,Z 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 -0.500000 -0.866025 0.000000 0.00000 REMARK 290 SMTRY2 2 0.866025 -0.500000 0.000000 0.00000 REMARK 290 SMTRY3 2 0.000000 0.000000 1.000000 0.00000 REMARK 290 SMTRY1 3 -0.500000 0.866025 0.000000 0.00000 REMARK 290 SMTRY2 3 -0.866025 -0.500000 0.000000 0.00000 REMARK 290 SMTRY3 3 0.000000 0.000000 1.000000 0.00000 REMARK 290 SMTRY1 4 -1.000000 0.000000 0.000000 0.00000 REMARK 290 SMTRY2 4 0.000000 -1.000000 0.000000 0.00000 REMARK 290 SMTRY3 4 0.000000 0.000000 1.000000 0.00000 REMARK 290 SMTRY1 5 0.500000 0.866025 0.000000 0.00000 REMARK 290 SMTRY2 5 -0.866025 0.500000 0.000000 0.00000 REMARK 290 SMTRY3 5 0.000000 0.000000 1.000000 0.00000 REMARK 290 SMTRY1 6 0.500000 -0.866025 0.000000 0.00000 REMARK 290 SMTRY2 6 0.866025 0.500000 0.000000 0.00000 REMARK 290 SMTRY3 6 0.000000 0.000000 1.000000 0.00000 REMARK 290 REMARK 290 REMARK: NULL 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: DIMERIC REMARK 350 SOFTWARE DETERMINED QUATERNARY STRUCTURE: DIMERIC REMARK 350 SOFTWARE USED: PISA REMARK 350 TOTAL BURIED SURFACE AREA: 1110 ANGSTROM**2 REMARK 350 SURFACE AREA OF THE COMPLEX: 20040 ANGSTROM**2 REMARK 350 CHANGE IN SOLVENT FREE ENERGY: -11.0 KCAL/MOL REMARK 350 APPLY THE FOLLOWING TO CHAINS: A, 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 SER A 0 REMARK 465 MET A 1 REMARK 465 ALA A 2 REMARK 465 THR A 3 REMARK 465 SER A 4 REMARK 465 ASN A 5 REMARK 465 LEU A 6 REMARK 465 LEU A 7 REMARK 465 LYS A 8 REMARK 465 ASN A 9 REMARK 465 LYS A 10 REMARK 465 GLY A 120 REMARK 465 LYS A 121 REMARK 465 GLN A 122 REMARK 465 GLY A 123 REMARK 465 SER A 124 REMARK 465 ASN A 125 REMARK 465 LYS A 126 REMARK 465 LYS A 127 REMARK 465 SER A 128 REMARK 465 ASN A 378 REMARK 465 ASP A 379 REMARK 465 ALA A 380 REMARK 465 THR A 381 REMARK 465 ILE A 382 REMARK 465 PHE A 383 REMARK 465 LYS A 384 REMARK 465 LEU A 385 REMARK 465 GLU A 386 REMARK 465 ACE C 0 REMARK 465 ASP C 1 REMARK 465 NH2 C 17 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 CYS A 51 34.63 -76.54 REMARK 500 LEU A 52 -75.16 -155.64 REMARK 500 ASP A 55 -72.96 -61.61 REMARK 500 LEU A 81 6.31 -67.31 REMARK 500 ASP A 86 68.84 -65.44 REMARK 500 THR A 87 -59.77 -175.55 REMARK 500 ILE A 106 -50.67 -129.38 REMARK 500 PRO A 108 6.59 -68.92 REMARK 500 VAL A 130 -149.17 41.81 REMARK 500 SER A 146 -90.94 -117.21 REMARK 500 LEU A 195 45.51 -102.48 REMARK 500 ASN A 201 -64.43 -137.17 REMARK 500 GLN A 224 -72.11 -65.20 REMARK 500 LEU A 246 34.63 -78.31 REMARK 500 ARG A 247 -56.74 -145.27 REMARK 500 ARG A 252 -75.03 -54.16 REMARK 500 CYS A 255 -11.10 -140.22 REMARK 500 PHE A 273 27.17 -141.70 REMARK 500 ASN A 305 57.14 28.66 REMARK 500 ASP A 325 46.28 -71.47 REMARK 500 MET A 326 -26.17 -169.83 REMARK 500 ALA A 329 -54.02 -149.89 REMARK 500 THR A 332 -75.40 -143.67 REMARK 500 ASP A 336 74.68 -118.80 REMARK 500 REMARK 500 REMARK: NULL DBREF 8EI2 A 1 386 UNP Q93034 CUL5_HUMAN 1 386 DBREF 8EI2 C 0 17 PDB 8EI2 8EI2 0 17 SEQADV 8EI2 SER A 0 UNP Q93034 EXPRESSION TAG SEQADV 8EI2 ARG A 341 UNP Q93034 VAL 341 CONFLICT SEQADV 8EI2 ASP A 345 UNP Q93034 LEU 345 CONFLICT SEQRES 1 A 387 SER MET ALA THR SER ASN LEU LEU LYS ASN LYS GLY SER SEQRES 2 A 387 LEU GLN PHE GLU ASP LYS TRP ASP PHE MET ARG PRO ILE SEQRES 3 A 387 VAL LEU LYS LEU LEU ARG GLN GLU SER VAL THR LYS GLN SEQRES 4 A 387 GLN TRP PHE ASP LEU PHE SER ASP VAL HIS ALA VAL CYS SEQRES 5 A 387 LEU TRP ASP ASP LYS GLY PRO ALA LYS ILE HIS GLN ALA SEQRES 6 A 387 LEU LYS GLU ASP ILE LEU GLU PHE ILE LYS GLN ALA GLN SEQRES 7 A 387 ALA ARG VAL LEU SER HIS GLN ASP ASP THR ALA LEU LEU SEQRES 8 A 387 LYS ALA TYR ILE VAL GLU TRP ARG LYS PHE PHE THR GLN SEQRES 9 A 387 CYS ASP ILE LEU PRO LYS PRO PHE CYS GLN LEU GLU ILE SEQRES 10 A 387 THR LEU MET GLY LYS GLN GLY SER ASN LYS LYS SER ASN SEQRES 11 A 387 VAL GLU ASP SER ILE VAL ARG LYS LEU MET LEU ASP THR SEQRES 12 A 387 TRP ASN GLU SER ILE PHE SER ASN ILE LYS ASN ARG LEU SEQRES 13 A 387 GLN ASP SER ALA MET LYS LEU VAL HIS ALA GLU ARG LEU SEQRES 14 A 387 GLY GLU ALA PHE ASP SER GLN LEU VAL ILE GLY VAL ARG SEQRES 15 A 387 GLU SER TYR VAL ASN LEU CYS SER ASN PRO GLU ASP LYS SEQRES 16 A 387 LEU GLN ILE TYR ARG ASP ASN PHE GLU LYS ALA TYR LEU SEQRES 17 A 387 ASP SER THR GLU ARG PHE TYR ARG THR GLN ALA PRO SER SEQRES 18 A 387 TYR LEU GLN GLN ASN GLY VAL GLN ASN TYR MET LYS TYR SEQRES 19 A 387 ALA ASP ALA LYS LEU LYS GLU GLU GLU LYS ARG ALA LEU SEQRES 20 A 387 ARG TYR LEU GLU THR ARG ARG GLU CYS ASN SER VAL GLU SEQRES 21 A 387 ALA LEU MET GLU CYS CYS VAL ASN ALA LEU VAL THR SER SEQRES 22 A 387 PHE LYS GLU THR ILE LEU ALA GLU CYS GLN GLY MET ILE SEQRES 23 A 387 LYS ARG ASN GLU THR GLU LYS LEU HIS LEU MET PHE SER SEQRES 24 A 387 LEU MET ASP LYS VAL PRO ASN GLY ILE GLU PRO MET LEU SEQRES 25 A 387 LYS ASP LEU GLU GLU HIS ILE ILE SER ALA GLY LEU ALA SEQRES 26 A 387 ASP MET VAL ALA ALA ALA GLU THR ILE THR THR ASP SER SEQRES 27 A 387 GLU LYS TYR ARG GLU GLN LEU ASP THR LEU PHE ASN ARG SEQRES 28 A 387 PHE SER LYS LEU VAL LYS GLU ALA PHE GLN ASP ASP PRO SEQRES 29 A 387 ARG PHE LEU THR ALA ARG ASP LYS ALA TYR LYS ALA VAL SEQRES 30 A 387 VAL ASN ASP ALA THR ILE PHE LYS LEU GLU SEQRES 1 C 18 ACE ASP PRO ALA TRP TYR ASP CYS ALA ASP ALA ALA TRP SEQRES 2 C 18 ILE CYS THR PHE NH2 HET WHL C 101 14 HETNAM WHL N,N'-(1,4-PHENYLENE)DIACETAMIDE FORMUL 3 WHL C10 H12 N2 O2 HELIX 1 AA1 GLN A 14 ARG A 31 1 18 HELIX 2 AA2 THR A 36 ASP A 54 1 19 HELIX 3 AA3 GLY A 57 LEU A 81 1 25 HELIX 4 AA4 THR A 87 CYS A 104 1 18 HELIX 5 AA5 GLN A 113 LEU A 118 1 6 HELIX 6 AA6 SER A 133 SER A 146 1 14 HELIX 7 AA7 SER A 146 ARG A 167 1 22 HELIX 8 AA8 SER A 174 CYS A 188 1 15 HELIX 9 AA9 ASN A 201 THR A 216 1 16 HELIX 10 AB1 GLN A 217 ASN A 225 1 9 HELIX 11 AB2 GLY A 226 ARG A 244 1 19 HELIX 12 AB3 ARG A 244 LEU A 249 1 6 HELIX 13 AB4 SER A 257 VAL A 270 1 14 HELIX 14 AB5 PHE A 273 ALA A 279 1 7 HELIX 15 AB6 GLU A 280 ARG A 287 1 8 HELIX 16 AB7 GLU A 289 ASP A 301 1 13 HELIX 17 AB8 ILE A 307 ASP A 325 1 19 HELIX 18 AB9 ASP A 336 ARG A 341 1 6 HELIX 19 AC1 GLU A 342 GLN A 360 1 19 HELIX 20 AC2 ASP A 362 ALA A 372 1 11 HELIX 21 AC3 TYR A 373 VAL A 377 5 5 HELIX 22 AC4 ALA C 3 PHE C 16 1 14 LINK SG CYS C 7 CH WHL C 101 1555 1555 1.79 LINK SG CYS C 14 CK WHL C 101 1555 1555 1.76 CRYST1 173.030 173.030 57.480 90.00 90.00 120.00 P 6 6 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 0.005779 0.003337 0.000000 0.00000 SCALE2 0.000000 0.006673 0.000000 0.00000 SCALE3 0.000000 0.000000 0.017397 0.00000