HEADER HORMONE RECEPTOR, TRANSCRIPTION 20-MAY-09 3A2I TITLE CRYSTAL STRUCTURE OF THE HUMAN VITAMIN D RECEPTOR (H305F) LIGAND TITLE 2 BINDING DOMAIN COMPLEXED WITH TEI-9647 COMPND MOL_ID: 1; COMPND 2 MOLECULE: VITAMIN D3 RECEPTOR; COMPND 3 CHAIN: A; COMPND 4 FRAGMENT: LIGAND BINDING DOMAIN, RESIDUES 118-427; COMPND 5 SYNONYM: VDR, 1,25-DIHYDROXYVITAMIN D3 RECEPTOR, NUCLEAR RECEPTOR COMPND 6 SUBFAMILY 1 GROUP I MEMBER 1; COMPND 7 ENGINEERED: YES; COMPND 8 MUTATION: YES SOURCE MOL_ID: 1; SOURCE 2 ORGANISM_SCIENTIFIC: HOMO SAPIENS; SOURCE 3 ORGANISM_COMMON: HUMAN; SOURCE 4 ORGANISM_TAXID: 9606; SOURCE 5 GENE: VDR, NR1I1; SOURCE 6 EXPRESSION_SYSTEM: ESCHERICHIA COLI; SOURCE 7 EXPRESSION_SYSTEM_TAXID: 562; SOURCE 8 EXPRESSION_SYSTEM_VECTOR_TYPE: PLASMID; SOURCE 9 EXPRESSION_SYSTEM_PLASMID: PET28A KEYWDS HORMONE/GROWTH FACTOR RECEPTOR, DNA-BINDING, METAL-BINDING, NUCLEUS, KEYWDS 2 PHOSPHOPROTEIN, TRANSCRIPTION, TRANSCRIPTION REGULATION, ZINC- KEYWDS 3 FINGER, ACTIVATOR, DISEASE MUTATION, RECEPTOR, HORMONE RECEPTOR EXPDTA X-RAY DIFFRACTION AUTHOR S.KAKUDA,M.TAKIMOTO-KAMIMURA REVDAT 5 01-NOV-23 3A2I 1 REMARK SEQADV REVDAT 4 09-AUG-17 3A2I 1 SOURCE REVDAT 3 18-AUG-10 3A2I 1 JRNL REVDAT 2 28-JUL-10 3A2I 1 JRNL REVDAT 1 26-MAY-10 3A2I 0 JRNL AUTH S.KAKUDA,S.ISHIZUKA,H.EGUCHI,M.T.MIZWICKI,A.W.NORMAN, JRNL AUTH 2 M.TAKIMOTO-KAMIMURA JRNL TITL STRUCTURAL BASIS OF THE HISTIDINE-MEDIATED VITAMIN D JRNL TITL 2 RECEPTOR AGONISTIC AND ANTAGONISTIC MECHANISMS OF JRNL TITL 3 (23S)-25-DEHYDRO-1ALPHA-HYDROXYVITAMIN D(3)-26,23-LACTONE JRNL REF ACTA CRYSTALLOGR.,SECT.D V. 66 918 2010 JRNL REFN ISSN 0907-4449 JRNL PMID 20693691 JRNL DOI 10.1107/S0907444910020810 REMARK 2 REMARK 2 RESOLUTION. 3.27 ANGSTROMS. REMARK 3 REMARK 3 REFINEMENT. REMARK 3 PROGRAM : REFMAC 5.2.0019 REMARK 3 AUTHORS : MURSHUDOV,SKUBAK,LEBEDEV,PANNU,STEINER, REMARK 3 : NICHOLLS,WINN,LONG,VAGIN REMARK 3 REMARK 3 REFINEMENT TARGET : MAXIMUM LIKELIHOOD REMARK 3 REMARK 3 DATA USED IN REFINEMENT. REMARK 3 RESOLUTION RANGE HIGH (ANGSTROMS) : 3.27 REMARK 3 RESOLUTION RANGE LOW (ANGSTROMS) : 40.52 REMARK 3 DATA CUTOFF (SIGMA(F)) : 3.000 REMARK 3 COMPLETENESS FOR RANGE (%) : 99.6 REMARK 3 NUMBER OF REFLECTIONS : 4818 REMARK 3 REMARK 3 FIT TO DATA USED IN REFINEMENT. REMARK 3 CROSS-VALIDATION METHOD : THROUGHOUT REMARK 3 FREE R VALUE TEST SET SELECTION : RANDOM REMARK 3 R VALUE (WORKING + TEST SET) : 0.221 REMARK 3 R VALUE (WORKING SET) : 0.218 REMARK 3 FREE R VALUE : 0.276 REMARK 3 FREE R VALUE TEST SET SIZE (%) : 4.600 REMARK 3 FREE R VALUE TEST SET COUNT : 233 REMARK 3 REMARK 3 FIT IN THE HIGHEST RESOLUTION BIN. REMARK 3 TOTAL NUMBER OF BINS USED : 20 REMARK 3 BIN RESOLUTION RANGE HIGH (A) : 3.27 REMARK 3 BIN RESOLUTION RANGE LOW (A) : 3.35 REMARK 3 REFLECTION IN BIN (WORKING SET) : 323 REMARK 3 BIN COMPLETENESS (WORKING+TEST) (%) : 94.66 REMARK 3 BIN R VALUE (WORKING SET) : 0.1760 REMARK 3 BIN FREE R VALUE SET COUNT : 14 REMARK 3 BIN FREE R VALUE : 0.2450 REMARK 3 REMARK 3 NUMBER OF NON-HYDROGEN ATOMS USED IN REFINEMENT. REMARK 3 PROTEIN ATOMS : 2014 REMARK 3 NUCLEIC ACID ATOMS : 0 REMARK 3 HETEROGEN ATOMS : 31 REMARK 3 SOLVENT ATOMS : 0 REMARK 3 REMARK 3 B VALUES. REMARK 3 FROM WILSON PLOT (A**2) : NULL REMARK 3 MEAN B VALUE (OVERALL, A**2) : 20.39 REMARK 3 OVERALL ANISOTROPIC B VALUE. REMARK 3 B11 (A**2) : -0.02000 REMARK 3 B22 (A**2) : 0.03000 REMARK 3 B33 (A**2) : -0.01000 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 ESTIMATED OVERALL COORDINATE ERROR. REMARK 3 ESU BASED ON R VALUE (A): NULL REMARK 3 ESU BASED ON FREE R VALUE (A): 0.598 REMARK 3 ESU BASED ON MAXIMUM LIKELIHOOD (A): 0.432 REMARK 3 ESU FOR B VALUES BASED ON MAXIMUM LIKELIHOOD (A**2): 24.473 REMARK 3 REMARK 3 CORRELATION COEFFICIENTS. REMARK 3 CORRELATION COEFFICIENT FO-FC : 0.887 REMARK 3 CORRELATION COEFFICIENT FO-FC FREE : 0.784 REMARK 3 REMARK 3 RMS DEVIATIONS FROM IDEAL VALUES COUNT RMS WEIGHT REMARK 3 BOND LENGTHS REFINED ATOMS (A): 2086 ; 0.006 ; 0.022 REMARK 3 BOND LENGTHS OTHERS (A): NULL ; NULL ; NULL REMARK 3 BOND ANGLES REFINED ATOMS (DEGREES): 2826 ; 1.103 ; 2.007 REMARK 3 BOND ANGLES OTHERS (DEGREES): NULL ; NULL ; NULL REMARK 3 TORSION ANGLES, PERIOD 1 (DEGREES): 251 ; 4.088 ; 5.000 REMARK 3 TORSION ANGLES, PERIOD 2 (DEGREES): 90 ;33.361 ;24.333 REMARK 3 TORSION ANGLES, PERIOD 3 (DEGREES): 382 ;15.857 ;15.000 REMARK 3 TORSION ANGLES, PERIOD 4 (DEGREES): 13 ;14.589 ;15.000 REMARK 3 CHIRAL-CENTER RESTRAINTS (A**3): 327 ; 0.063 ; 0.200 REMARK 3 GENERAL PLANES REFINED ATOMS (A): 1534 ; 0.002 ; 0.020 REMARK 3 GENERAL PLANES OTHERS (A): NULL ; NULL ; NULL REMARK 3 NON-BONDED CONTACTS REFINED ATOMS (A): 965 ; 0.181 ; 0.200 REMARK 3 NON-BONDED CONTACTS OTHERS (A): NULL ; NULL ; NULL REMARK 3 NON-BONDED TORSION REFINED ATOMS (A): 1465 ; 0.296 ; 0.200 REMARK 3 NON-BONDED TORSION OTHERS (A): NULL ; NULL ; NULL REMARK 3 H-BOND (X...Y) REFINED ATOMS (A): 48 ; 0.095 ; 0.200 REMARK 3 H-BOND (X...Y) OTHERS (A): NULL ; NULL ; NULL REMARK 3 POTENTIAL METAL-ION REFINED ATOMS (A): NULL ; NULL ; NULL REMARK 3 POTENTIAL METAL-ION OTHERS (A): NULL ; NULL ; NULL REMARK 3 SYMMETRY VDW REFINED ATOMS (A): 38 ; 0.147 ; 0.200 REMARK 3 SYMMETRY VDW OTHERS (A): NULL ; NULL ; NULL REMARK 3 SYMMETRY H-BOND REFINED ATOMS (A): 5 ; 0.080 ; 0.200 REMARK 3 SYMMETRY H-BOND OTHERS (A): NULL ; NULL ; NULL REMARK 3 SYMMETRY METAL-ION REFINED ATOMS (A): NULL ; NULL ; NULL REMARK 3 SYMMETRY METAL-ION OTHERS (A): NULL ; NULL ; NULL REMARK 3 REMARK 3 ISOTROPIC THERMAL FACTOR RESTRAINTS. COUNT RMS WEIGHT REMARK 3 MAIN-CHAIN BOND REFINED ATOMS (A**2): 1319 ; 0.325 ; 1.500 REMARK 3 MAIN-CHAIN BOND OTHER ATOMS (A**2): NULL ; NULL ; NULL REMARK 3 MAIN-CHAIN ANGLE REFINED ATOMS (A**2): 2062 ; 0.579 ; 2.000 REMARK 3 MAIN-CHAIN ANGLE OTHER ATOMS (A**2): NULL ; NULL ; NULL REMARK 3 SIDE-CHAIN BOND REFINED ATOMS (A**2): 860 ; 0.468 ; 3.000 REMARK 3 SIDE-CHAIN BOND OTHER ATOMS (A**2): NULL ; NULL ; NULL REMARK 3 SIDE-CHAIN ANGLE REFINED ATOMS (A**2): 764 ; 0.814 ; 4.500 REMARK 3 SIDE-CHAIN ANGLE OTHER ATOMS (A**2): NULL ; NULL ; NULL REMARK 3 LONG RANGE B REFINED ATOMS (A**2): NULL ; NULL ; NULL REMARK 3 LONG RANGE B OTHER ATOMS (A**2): NULL ; NULL ; NULL REMARK 3 REMARK 3 ANISOTROPIC THERMAL FACTOR RESTRAINTS. COUNT RMS WEIGHT REMARK 3 RIGID-BOND RESTRAINTS (A**2): NULL ; NULL ; NULL REMARK 3 SPHERICITY; FREE ATOMS (A**2): NULL ; NULL ; NULL REMARK 3 SPHERICITY; BONDED ATOMS (A**2): NULL ; NULL ; NULL REMARK 3 REMARK 3 NCS RESTRAINTS STATISTICS REMARK 3 NUMBER OF DIFFERENT NCS GROUPS : NULL REMARK 3 REMARK 3 TLS DETAILS REMARK 3 NUMBER OF TLS GROUPS : NULL REMARK 3 REMARK 3 BULK SOLVENT MODELLING. REMARK 3 METHOD USED : MASK REMARK 3 PARAMETERS FOR MASK CALCULATION REMARK 3 VDW PROBE RADIUS : 1.40 REMARK 3 ION PROBE RADIUS : 0.80 REMARK 3 SHRINKAGE RADIUS : 0.80 REMARK 3 REMARK 3 OTHER REFINEMENT REMARKS: HYDROGENS HAVE BEEN ADDED IN THE RIDING REMARK 3 POSITIONS REMARK 4 REMARK 4 3A2I COMPLIES WITH FORMAT V. 3.30, 13-JUL-11 REMARK 100 REMARK 100 THIS ENTRY HAS BEEN PROCESSED BY PDBJ ON 21-MAY-09. REMARK 100 THE DEPOSITION ID IS D_1000028729. REMARK 200 REMARK 200 EXPERIMENTAL DETAILS REMARK 200 EXPERIMENT TYPE : X-RAY DIFFRACTION REMARK 200 DATE OF DATA COLLECTION : 17-OCT-07 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 : PHOTON FACTORY REMARK 200 BEAMLINE : AR-NW12A 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 : CCD REMARK 200 DETECTOR MANUFACTURER : ADSC QUANTUM 210 REMARK 200 INTENSITY-INTEGRATION SOFTWARE : HKL-2000 REMARK 200 DATA SCALING SOFTWARE : HKL-2000 REMARK 200 REMARK 200 NUMBER OF UNIQUE REFLECTIONS : 5094 REMARK 200 RESOLUTION RANGE HIGH (A) : 3.250 REMARK 200 RESOLUTION RANGE LOW (A) : 50.000 REMARK 200 REJECTION CRITERIA (SIGMA(I)) : 1.000 REMARK 200 REMARK 200 OVERALL. REMARK 200 COMPLETENESS FOR RANGE (%) : 99.9 REMARK 200 DATA REDUNDANCY : 3.800 REMARK 200 R MERGE (I) : 0.16200 REMARK 200 R SYM (I) : NULL REMARK 200 FOR THE DATA SET : 14.0000 REMARK 200 REMARK 200 IN THE HIGHEST RESOLUTION SHELL. REMARK 200 HIGHEST RESOLUTION SHELL, RANGE HIGH (A) : 3.25 REMARK 200 HIGHEST RESOLUTION SHELL, RANGE LOW (A) : 3.37 REMARK 200 COMPLETENESS FOR SHELL (%) : 100.0 REMARK 200 DATA REDUNDANCY IN SHELL : 3.70 REMARK 200 R MERGE FOR SHELL (I) : 0.34900 REMARK 200 R SYM FOR SHELL (I) : NULL REMARK 200 FOR SHELL : 5.060 REMARK 200 REMARK 200 DIFFRACTION PROTOCOL: SINGLE WAVELENGTH REMARK 200 METHOD USED TO DETERMINE THE STRUCTURE: MOLECULAR REPLACEMENT REMARK 200 SOFTWARE USED: MOLREP REMARK 200 STARTING MODEL: PDB ENTRY 1DB1 REMARK 200 REMARK 200 REMARK: NULL REMARK 280 REMARK 280 CRYSTAL REMARK 280 SOLVENT CONTENT, VS (%): 51.62 REMARK 280 MATTHEWS COEFFICIENT, VM (ANGSTROMS**3/DA): 2.54 REMARK 280 REMARK 280 CRYSTALLIZATION CONDITIONS: 0.1M MES, PH 6.5, 1.2-1.6M AMMONIUM REMARK 280 SULFATE, 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 22.39800 REMARK 290 SMTRY2 2 0.000000 -1.000000 0.000000 0.00000 REMARK 290 SMTRY3 2 0.000000 0.000000 1.000000 65.88650 REMARK 290 SMTRY1 3 -1.000000 0.000000 0.000000 0.00000 REMARK 290 SMTRY2 3 0.000000 1.000000 0.000000 25.68250 REMARK 290 SMTRY3 3 0.000000 0.000000 -1.000000 65.88650 REMARK 290 SMTRY1 4 1.000000 0.000000 0.000000 22.39800 REMARK 290 SMTRY2 4 0.000000 -1.000000 0.000000 25.68250 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 300 REMARK: THIS PROTEIN CAN FORM HOMODIMER IN THE ABSENCE OF BOUND REMARK 300 VITAMIN D3. BUT AFTER VITAMIN D3 BINDING, IT CAN FORM HETERODIMER REMARK 300 WITH RXR PROTEIN. 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 SOFTWARE DETERMINED QUATERNARY STRUCTURE: MONOMERIC REMARK 350 SOFTWARE USED: PISA 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 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 114 REMARK 465 SER A 115 REMARK 465 HIS A 116 REMARK 465 MET A 117 REMARK 465 GLY A 163 REMARK 465 GLY A 164 REMARK 465 ASN A 424 REMARK 465 GLU A 425 REMARK 465 ILE A 426 REMARK 465 SER A 427 REMARK 470 REMARK 470 MISSING ATOM REMARK 470 THE FOLLOWING RESIDUES HAVE MISSING ATOMS (M=MODEL NUMBER; REMARK 470 RES=RESIDUE NAME; C=CHAIN IDENTIFIER; SSEQ=SEQUENCE NUMBER; REMARK 470 I=INSERTION CODE): REMARK 470 M RES CSSEQI ATOMS REMARK 470 HIS A 377 CG ND1 CD2 CE1 NE2 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 A 161 -49.33 -149.07 REMARK 500 ASN A 290 -167.97 52.28 REMARK 500 ASP A 342 43.21 -99.33 REMARK 500 GLN A 347 -64.93 -93.17 REMARK 500 LEU A 414 -160.95 -100.76 REMARK 500 REMARK 500 REMARK: NULL REMARK 600 REMARK 600 HETEROGEN REMARK 600 REMARK 600 THE LIGAND TEJ CAN BE CALLED AS TEI-9647. REMARK 800 REMARK 800 SITE REMARK 800 SITE_IDENTIFIER: AC1 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE TEJ A 1 REMARK 900 REMARK 900 RELATED ENTRIES REMARK 900 RELATED ID: 3A2H RELATED DB: PDB REMARK 900 DEL(165-211) MUTANT OF RAT VITAMIN D3 RECEPTOR COMPLEXED WITH TEI- REMARK 900 9647 AND A SYNTHETIC PEPTIDE REMARK 900 RELATED ID: 3A2J RELATED DB: PDB REMARK 900 H305F/H397F AND DEL(165-215) MUTANT OF HUMAN VITAMIN D3 RECEPTOR REMARK 900 COMPLEXED WITH TEI-9647 REMARK 999 REMARK 999 SEQUENCE REMARK 999 THIS PROTEIN VITAMIN D3 RECEPTOR IS A DELETION MUTANT. THE RESIDUES REMARK 999 165-211 WERE DELETED. DBREF 3A2I A 118 164 UNP P11473 VDR_HUMAN 118 164 DBREF 3A2I A 216 427 UNP P11473 VDR_HUMAN 216 427 SEQADV 3A2I GLY A 114 UNP P11473 EXPRESSION TAG SEQADV 3A2I SER A 115 UNP P11473 EXPRESSION TAG SEQADV 3A2I HIS A 116 UNP P11473 EXPRESSION TAG SEQADV 3A2I MET A 117 UNP P11473 EXPRESSION TAG SEQADV 3A2I PHE A 305 UNP P11473 HIS 305 ENGINEERED MUTATION SEQRES 1 A 263 GLY SER HIS MET ASP SER LEU ARG PRO LYS LEU SER GLU SEQRES 2 A 263 GLU GLN GLN ARG ILE ILE ALA ILE LEU LEU ASP ALA HIS SEQRES 3 A 263 HIS LYS THR TYR ASP PRO THR TYR SER ASP PHE CYS GLN SEQRES 4 A 263 PHE ARG PRO PRO VAL ARG VAL ASN ASP GLY GLY GLY SER SEQRES 5 A 263 VAL THR LEU GLU LEU SER GLN LEU SER MET LEU PRO HIS SEQRES 6 A 263 LEU ALA ASP LEU VAL SER TYR SER ILE GLN LYS VAL ILE SEQRES 7 A 263 GLY PHE ALA LYS MET ILE PRO GLY PHE ARG ASP LEU THR SEQRES 8 A 263 SER GLU ASP GLN ILE VAL LEU LEU LYS SER SER ALA ILE SEQRES 9 A 263 GLU VAL ILE MET LEU ARG SER ASN GLU SER PHE THR MET SEQRES 10 A 263 ASP ASP MET SER TRP THR CYS GLY ASN GLN ASP TYR LYS SEQRES 11 A 263 TYR ARG VAL SER ASP VAL THR LYS ALA GLY PHE SER LEU SEQRES 12 A 263 GLU LEU ILE GLU PRO LEU ILE LYS PHE GLN VAL GLY LEU SEQRES 13 A 263 LYS LYS LEU ASN LEU HIS GLU GLU GLU HIS VAL LEU LEU SEQRES 14 A 263 MET ALA ILE CYS ILE VAL SER PRO ASP ARG PRO GLY VAL SEQRES 15 A 263 GLN ASP ALA ALA LEU ILE GLU ALA ILE GLN ASP ARG LEU SEQRES 16 A 263 SER ASN THR LEU GLN THR TYR ILE ARG CYS ARG HIS PRO SEQRES 17 A 263 PRO PRO GLY SER HIS LEU LEU TYR ALA LYS MET ILE GLN SEQRES 18 A 263 LYS LEU ALA ASP LEU ARG SER LEU ASN GLU GLU HIS SER SEQRES 19 A 263 LYS GLN TYR ARG CYS LEU SER PHE GLN PRO GLU CYS SER SEQRES 20 A 263 MET LYS LEU THR PRO LEU VAL LEU GLU VAL PHE GLY ASN SEQRES 21 A 263 GLU ILE SER HET TEJ A 1 31 HETNAM TEJ (1S,3R,5Z,7E,20S,23S)-1,3-DIHYDROXY-23,26-EPOXY-9,10- HETNAM 2 TEJ SECOCHOLESTA-5,7,10,25(27)-TETRAEN-26-ONE HETSYN TEJ (23S)-25-DEHYDRO-1ALPHA-HYDROXYVITAMIN D3-26,23-LACTONE FORMUL 2 TEJ C27 H38 O4 HELIX 1 1 SER A 125 TYR A 143 1 19 HELIX 2 2 ASP A 149 PHE A 153 5 5 HELIX 3 3 SER A 216 LEU A 224 1 9 HELIX 4 4 MET A 226 LYS A 246 1 21 HELIX 5 5 GLY A 250 LEU A 254 5 5 HELIX 6 6 THR A 255 SER A 275 1 21 HELIX 7 7 ARG A 296 LYS A 302 1 7 HELIX 8 8 SER A 306 LYS A 322 1 17 HELIX 9 9 HIS A 326 VAL A 339 1 14 HELIX 10 10 ASP A 348 HIS A 371 1 24 HELIX 11 11 LEU A 378 PHE A 406 1 29 HELIX 12 12 CYS A 410 LEU A 414 5 5 HELIX 13 13 THR A 415 GLY A 423 1 9 SHEET 1 A 3 PHE A 279 THR A 280 0 SHEET 2 A 3 SER A 285 THR A 287 -1 O SER A 285 N THR A 280 SHEET 3 A 3 LYS A 294 TYR A 295 -1 O TYR A 295 N TRP A 286 CISPEP 1 PRO A 373 PRO A 374 0 2.22 SITE 1 AC1 11 TYR A 143 VAL A 234 SER A 237 ILE A 271 SITE 2 AC1 11 ARG A 274 SER A 275 SER A 278 TRP A 286 SITE 3 AC1 11 VAL A 300 PHE A 305 HIS A 397 CRYST1 44.796 51.365 131.773 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 0.022323 0.000000 0.000000 0.00000 SCALE2 0.000000 0.019469 0.000000 0.00000 SCALE3 0.000000 0.000000 0.007589 0.00000