HEADER RNA BINDING PROTEIN/RNA 20-DEC-11 3V71 TITLE CRYSTAL STRUCTURE OF PUF-6 IN COMPLEX WITH 5BE13 RNA COMPND MOL_ID: 1; COMPND 2 MOLECULE: PUF (PUMILIO/FBF) DOMAIN-CONTAINING PROTEIN 7, CONFIRMED BY COMPND 3 TRANSCRIPT EVIDENCE; COMPND 4 CHAIN: A; COMPND 5 FRAGMENT: UNP RESIDUES 164-575; COMPND 6 ENGINEERED: YES; COMPND 7 MOL_ID: 2; COMPND 8 MOLECULE: RNA (5'-R(*CP*UP*CP*UP*GP*UP*AP*UP*CP*UP*UP*GP*U)-3'); COMPND 9 CHAIN: B; COMPND 10 ENGINEERED: YES SOURCE MOL_ID: 1; SOURCE 2 ORGANISM_SCIENTIFIC: CAENORHABDITIS ELEGANS; SOURCE 3 ORGANISM_COMMON: NEMATODE; SOURCE 4 ORGANISM_TAXID: 6239; SOURCE 5 GENE: PUF-7, B0273.2; SOURCE 6 EXPRESSION_SYSTEM: ESCHERICHIA COLI; SOURCE 7 EXPRESSION_SYSTEM_TAXID: 469008; SOURCE 8 EXPRESSION_SYSTEM_STRAIN: BL21(DE3); SOURCE 9 EXPRESSION_SYSTEM_VECTOR_TYPE: PLASMID; SOURCE 10 EXPRESSION_SYSTEM_PLASMID: PDEST15; SOURCE 11 MOL_ID: 2; SOURCE 12 SYNTHETIC: YES; SOURCE 13 ORGANISM_SCIENTIFIC: CAENORHABDITIS ELEGANS; SOURCE 14 ORGANISM_TAXID: 6239 KEYWDS PUF REPEATS, RNA BINDING PROTEIN-RNA COMPLEX EXPDTA X-RAY DIFFRACTION AUTHOR C.QIU,A.KERSHNER,Y.WANG,C.H.HOLLEY,D.WILINSKI,S.KELES,J.KIMBLE, AUTHOR 2 M.WICKENS,T.M.T.HALL REVDAT 2 13-SEP-23 3V71 1 REMARK SEQADV REVDAT 1 04-JAN-12 3V71 0 JRNL AUTH C.QIU,A.KERSHNER,Y.WANG,C.H.HOLLEY,D.WILINSKI,S.KELES, JRNL AUTH 2 J.KIMBLE,M.WICKENS,T.M.T.HALL JRNL TITL DIVERGENCE OF PUF PROTEIN SPECIFICITY THROUGH VARIATIONS IN JRNL TITL 2 AN RNA-BINDING POCKET JRNL REF J.BIOL.CHEM. 2012 JRNL REFN ESSN 1083-351X REMARK 2 REMARK 2 RESOLUTION. 2.90 ANGSTROMS. REMARK 3 REMARK 3 REFINEMENT. REMARK 3 PROGRAM : PHENIX (PHENIX.REFINE: 1.7.1_743) 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 : ML REMARK 3 REMARK 3 DATA USED IN REFINEMENT. REMARK 3 RESOLUTION RANGE HIGH (ANGSTROMS) : 2.90 REMARK 3 RESOLUTION RANGE LOW (ANGSTROMS) : 36.47 REMARK 3 MIN(FOBS/SIGMA_FOBS) : 1.350 REMARK 3 COMPLETENESS FOR RANGE (%) : 99.1 REMARK 3 NUMBER OF REFLECTIONS : 17479 REMARK 3 REMARK 3 FIT TO DATA USED IN REFINEMENT. REMARK 3 R VALUE (WORKING + TEST SET) : 0.209 REMARK 3 R VALUE (WORKING SET) : 0.207 REMARK 3 FREE R VALUE : 0.241 REMARK 3 FREE R VALUE TEST SET SIZE (%) : 5.140 REMARK 3 FREE R VALUE TEST SET COUNT : 904 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 36.4731 - 5.2690 0.99 2903 153 0.2170 0.2274 REMARK 3 2 5.2690 - 4.1841 1.00 2812 149 0.1908 0.2402 REMARK 3 3 4.1841 - 3.6558 0.99 2792 152 0.1825 0.2191 REMARK 3 4 3.6558 - 3.3218 0.99 2762 135 0.1966 0.2320 REMARK 3 5 3.3218 - 3.0838 0.99 2707 143 0.2379 0.2962 REMARK 3 6 3.0838 - 2.9021 0.98 2708 172 0.2914 0.3422 REMARK 3 REMARK 3 BULK SOLVENT MODELLING. REMARK 3 METHOD USED : FLAT BULK SOLVENT MODEL REMARK 3 SOLVENT RADIUS : 1.30 REMARK 3 SHRINKAGE RADIUS : 1.06 REMARK 3 K_SOL : 0.37 REMARK 3 B_SOL : 70.01 REMARK 3 REMARK 3 ERROR ESTIMATES. REMARK 3 COORDINATE ERROR (MAXIMUM-LIKELIHOOD BASED) : 0.760 REMARK 3 PHASE ERROR (DEGREES, MAXIMUM-LIKELIHOOD BASED) : 26.170 REMARK 3 REMARK 3 B VALUES. REMARK 3 FROM WILSON PLOT (A**2) : 80.00 REMARK 3 MEAN B VALUE (OVERALL, A**2) : NULL REMARK 3 OVERALL ANISOTROPIC B VALUE. REMARK 3 B11 (A**2) : -14.93480 REMARK 3 B22 (A**2) : 30.37970 REMARK 3 B33 (A**2) : -15.44500 REMARK 3 B12 (A**2) : 0.00000 REMARK 3 B13 (A**2) : 0.00000 REMARK 3 B23 (A**2) : 0.00000 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 : 0.006 3159 REMARK 3 ANGLE : 0.889 4292 REMARK 3 CHIRALITY : 0.059 497 REMARK 3 PLANARITY : 0.003 518 REMARK 3 DIHEDRAL : 17.033 1210 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 3V71 COMPLIES WITH FORMAT V. 3.30, 13-JUL-11 REMARK 100 REMARK 100 THIS ENTRY HAS BEEN PROCESSED BY RCSB ON 21-DEC-11. REMARK 100 THE DEPOSITION ID IS D_1000069675. REMARK 200 REMARK 200 EXPERIMENTAL DETAILS REMARK 200 EXPERIMENT TYPE : X-RAY DIFFRACTION REMARK 200 DATE OF DATA COLLECTION : 17-FEB-10 REMARK 200 TEMPERATURE (KELVIN) : 100 REMARK 200 PH : 7.0 REMARK 200 NUMBER OF CRYSTALS USED : 1 REMARK 200 REMARK 200 SYNCHROTRON (Y/N) : Y REMARK 200 RADIATION SOURCE : APS REMARK 200 BEAMLINE : 22-ID REMARK 200 X-RAY GENERATOR MODEL : NULL REMARK 200 MONOCHROMATIC OR LAUE (M/L) : M REMARK 200 WAVELENGTH OR RANGE (A) : 0.9794 REMARK 200 MONOCHROMATOR : NULL REMARK 200 OPTICS : NULL REMARK 200 REMARK 200 DETECTOR TYPE : CCD REMARK 200 DETECTOR MANUFACTURER : MARMOSAIC 300 MM CCD REMARK 200 INTENSITY-INTEGRATION SOFTWARE : HKL-2000 REMARK 200 DATA SCALING SOFTWARE : HKL-2000 REMARK 200 REMARK 200 NUMBER OF UNIQUE REFLECTIONS : 17479 REMARK 200 RESOLUTION RANGE HIGH (A) : 2.900 REMARK 200 RESOLUTION RANGE LOW (A) : 36.500 REMARK 200 REJECTION CRITERIA (SIGMA(I)) : 0.000 REMARK 200 REMARK 200 OVERALL. REMARK 200 COMPLETENESS FOR RANGE (%) : 99.1 REMARK 200 DATA REDUNDANCY : 4.000 REMARK 200 R MERGE (I) : 0.07300 REMARK 200 R SYM (I) : NULL REMARK 200 FOR THE DATA SET : 16.6000 REMARK 200 REMARK 200 IN THE HIGHEST RESOLUTION SHELL. REMARK 200 HIGHEST RESOLUTION SHELL, RANGE HIGH (A) : 2.90 REMARK 200 HIGHEST RESOLUTION SHELL, RANGE LOW (A) : 3.00 REMARK 200 COMPLETENESS FOR SHELL (%) : 98.5 REMARK 200 DATA REDUNDANCY IN SHELL : 3.90 REMARK 200 R MERGE FOR SHELL (I) : 0.54000 REMARK 200 R SYM FOR SHELL (I) : NULL REMARK 200 FOR SHELL : 2.400 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: PDB ENTRY 3K5Y REMARK 200 REMARK 200 REMARK: NULL REMARK 280 REMARK 280 CRYSTAL REMARK 280 SOLVENT CONTENT, VS (%): 69.62 REMARK 280 MATTHEWS COEFFICIENT, VM (ANGSTROMS**3/DA): 4.05 REMARK 280 REMARK 280 CRYSTALLIZATION CONDITIONS: 15% (W/V) PEG3350, 0.1M SUCCINIC ACID, REMARK 280 PH 7.0, VAPOR DIFFUSION, HANGING DROP, TEMPERATURE 293K REMARK 290 REMARK 290 CRYSTALLOGRAPHIC SYMMETRY REMARK 290 SYMMETRY OPERATORS FOR SPACE GROUP: P 21 21 21 REMARK 290 REMARK 290 SYMOP SYMMETRY REMARK 290 NNNMMM OPERATOR REMARK 290 1555 X,Y,Z REMARK 290 2555 -X+1/2,-Y,Z+1/2 REMARK 290 3555 -X,Y+1/2,-Z+1/2 REMARK 290 4555 X+1/2,-Y+1/2,-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 -1.000000 0.000000 0.000000 33.90300 REMARK 290 SMTRY2 2 0.000000 -1.000000 0.000000 0.00000 REMARK 290 SMTRY3 2 0.000000 0.000000 1.000000 64.89100 REMARK 290 SMTRY1 3 -1.000000 0.000000 0.000000 0.00000 REMARK 290 SMTRY2 3 0.000000 1.000000 0.000000 43.91800 REMARK 290 SMTRY3 3 0.000000 0.000000 -1.000000 64.89100 REMARK 290 SMTRY1 4 1.000000 0.000000 0.000000 33.90300 REMARK 290 SMTRY2 4 0.000000 -1.000000 0.000000 43.91800 REMARK 290 SMTRY3 4 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: 2350 ANGSTROM**2 REMARK 350 SURFACE AREA OF THE COMPLEX: 17880 ANGSTROM**2 REMARK 350 CHANGE IN SOLVENT FREE ENERGY: -7.0 KCAL/MOL REMARK 350 APPLY THE FOLLOWING TO CHAINS: A, 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 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 GLY A 72 REMARK 465 SER A 73 REMARK 465 PHE A 74 REMARK 465 THR A 75 REMARK 465 PRO A 76 REMARK 465 VAL A 77 REMARK 465 ALA A 78 REMARK 465 PRO A 79 REMARK 465 ILE A 80 REMARK 465 PHE A 81 REMARK 465 GLY A 366 REMARK 465 TYR A 367 REMARK 465 GLY A 404 REMARK 465 LYS A 405 REMARK 465 GLU A 406 REMARK 465 GLU A 407 REMARK 465 ARG A 408 REMARK 465 GLY A 453 REMARK 465 C B -1 REMARK 465 U B 0 REMARK 465 U B 9 REMARK 465 U B 10 REMARK 465 G B 11 REMARK 465 U B 12 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 O GLU A 267 NH2 ARG A 277 1.99 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 SER A 114 -8.30 -56.51 REMARK 500 PHE A 190 -177.06 -58.80 REMARK 500 GLN A 226 20.67 -171.29 REMARK 500 ASN A 268 75.87 40.19 REMARK 500 ARG A 329 -12.96 75.40 REMARK 500 SER A 373 65.24 83.01 REMARK 500 ASN A 374 106.42 -48.80 REMARK 500 LEU A 402 48.18 -99.28 REMARK 500 REMARK 500 REMARK: NULL REMARK 800 REMARK 800 SITE REMARK 800 SITE_IDENTIFIER: AC1 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE EPE B 13 REMARK 900 REMARK 900 RELATED ENTRIES REMARK 900 RELATED ID: 3V6Y RELATED DB: PDB REMARK 900 RELATED ID: 3V74 RELATED DB: PDB DBREF 3V71 A 76 453 UNP O44169 O44169_CAEEL 76 453 DBREF 3V71 B -1 12 PDB 3V71 3V71 -1 12 SEQADV 3V71 GLY A 72 UNP O44169 EXPRESSION TAG SEQADV 3V71 SER A 73 UNP O44169 EXPRESSION TAG SEQADV 3V71 PHE A 74 UNP O44169 EXPRESSION TAG SEQADV 3V71 THR A 75 UNP O44169 EXPRESSION TAG SEQRES 1 A 382 GLY SER PHE THR PRO VAL ALA PRO ILE PHE ILE SER LEU SEQRES 2 A 382 GLU ASP VAL LEU LEU ASN GLY GLN LEU ILE ASP PHE ALA SEQRES 3 A 382 ILE ASP PRO SER GLY VAL LYS PHE LEU GLU ALA ASN TYR SEQRES 4 A 382 PRO LEU ASP SER GLU ASP GLN ILE ARG LYS ALA VAL PHE SEQRES 5 A 382 GLU LYS PHE THR GLU SER THR THR LEU PHE VAL GLY LEU SEQRES 6 A 382 CYS HIS SER ARG ASN GLY ASN PHE ILE VAL GLN LYS LEU SEQRES 7 A 382 VAL GLU LEU ALA THR PRO ALA GLU GLN ARG GLU LEU LEU SEQRES 8 A 382 ARG GLN MET ILE ASP GLY GLY LEU LEU ALA MET CYS LYS SEQRES 9 A 382 ASP LYS PHE ALA CYS ARG VAL VAL GLN LEU ALA LEU GLN SEQRES 10 A 382 LYS PHE ASP HIS SER ASN VAL PHE GLN LEU ILE GLN GLU SEQRES 11 A 382 LEU SER THR PHE ASP LEU ALA ALA MET CYS THR ASP GLN SEQRES 12 A 382 ILE SER ILE HIS VAL ILE GLN ARG VAL VAL LYS GLN LEU SEQRES 13 A 382 PRO VAL ASP MET TRP THR PHE PHE VAL HIS PHE LEU SER SEQRES 14 A 382 SER GLY ASP SER LEU MET ALA VAL CYS GLN ASP LYS TYR SEQRES 15 A 382 GLY CYS ARG LEU VAL GLN GLN VAL ILE ASP ARG LEU ALA SEQRES 16 A 382 GLU ASN PRO LYS LEU PRO CYS PHE LYS PHE ARG ILE GLN SEQRES 17 A 382 LEU LEU HIS SER LEU MET THR CYS ILE VAL ARG ASN CYS SEQRES 18 A 382 TYR ARG LEU SER SER ASN GLU PHE ALA ASN TYR VAL ILE SEQRES 19 A 382 GLN TYR VAL ILE LYS SER SER GLY ILE MET GLU MET TYR SEQRES 20 A 382 ARG ASP THR ILE ILE ASP LYS CYS LEU LEU ARG ASN LEU SEQRES 21 A 382 LEU SER MET SER GLN ASP LYS TYR ALA SER HIS VAL ILE SEQRES 22 A 382 GLU GLY ALA PHE LEU PHE ALA PRO PRO ALA LEU LEU HIS SEQRES 23 A 382 GLU MET MET GLU GLU ILE PHE SER GLY TYR VAL LYS ASP SEQRES 24 A 382 VAL GLU SER ASN ARG ASP ALA LEU ASP ILE LEU LEU PHE SEQRES 25 A 382 HIS GLN TYR GLY ASN TYR VAL VAL GLN GLN MET ILE SER SEQRES 26 A 382 ILE CYS THR ALA ALA LEU ILE GLY LYS GLU GLU ARG GLU SEQRES 27 A 382 LEU PRO PRO ALA ILE LEU LEU LEU TYR SER GLY TRP TYR SEQRES 28 A 382 GLU LYS MET LYS GLN ARG VAL LEU GLN HIS ALA SER ARG SEQRES 29 A 382 LEU GLU ARG PHE SER SER GLY LYS LYS ILE ILE ASP SER SEQRES 30 A 382 VAL MET ARG HIS GLY SEQRES 1 B 13 C U C U G U A U C U U G U HET EPE B 13 15 HETNAM EPE 4-(2-HYDROXYETHYL)-1-PIPERAZINE ETHANESULFONIC ACID HETSYN EPE HEPES FORMUL 3 EPE C8 H18 N2 O4 S HELIX 1 1 SER A 83 ASN A 90 1 8 HELIX 2 2 GLN A 92 ASP A 99 1 8 HELIX 3 3 ASP A 99 ASN A 109 1 11 HELIX 4 4 ASP A 116 GLU A 128 1 13 HELIX 5 5 SER A 129 HIS A 138 1 10 HELIX 6 6 ASN A 141 LEU A 152 1 12 HELIX 7 7 THR A 154 GLY A 168 1 15 HELIX 8 8 GLY A 169 LYS A 175 1 7 HELIX 9 9 PHE A 178 PHE A 190 1 13 HELIX 10 10 ASP A 191 THR A 204 1 14 HELIX 11 11 ASP A 206 ASP A 213 1 8 HELIX 12 12 SER A 216 LYS A 225 1 10 HELIX 13 13 TRP A 232 SER A 241 1 10 HELIX 14 14 ASP A 243 ASP A 251 1 9 HELIX 15 15 TYR A 253 ALA A 266 1 14 HELIX 16 16 CYS A 273 ARG A 290 1 18 HELIX 17 17 ASN A 291 SER A 297 1 7 HELIX 18 18 ALA A 301 LYS A 310 1 10 HELIX 19 19 ILE A 314 CYS A 326 1 13 HELIX 20 20 ASN A 330 SER A 335 1 6 HELIX 21 21 TYR A 339 ALA A 351 1 13 HELIX 22 22 PRO A 352 PHE A 364 1 13 HELIX 23 23 ASP A 376 PHE A 383 1 8 HELIX 24 24 TYR A 386 LEU A 402 1 17 HELIX 25 25 ILE A 414 GLU A 437 1 24 HELIX 26 26 PHE A 439 HIS A 452 1 14 SITE 1 AC1 3 HIS A 342 G B 4 U B 5 CRYST1 67.806 87.836 129.782 90.00 90.00 90.00 P 21 21 21 4 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 0.014748 0.000000 0.000000 0.00000 SCALE2 0.000000 0.011385 0.000000 0.00000 SCALE3 0.000000 0.000000 0.007705 0.00000