HEADER TRANSCRIPTION 23-MAY-25 9OSC TITLE CRYSTAL STRUCTURE OF HP1GAMMA CHROMOSHADOW DOMAIN IN COMPLEX WITH KAP1 TITLE 2 PEPTIDE COMPND MOL_ID: 1; COMPND 2 MOLECULE: CHROMOBOX PROTEIN HOMOLOG 3; COMPND 3 CHAIN: A; COMPND 4 SYNONYM: HECH,HETEROCHROMATIN PROTEIN 1 HOMOLOG GAMMA,HP1 GAMMA, COMPND 5 MODIFIER 2 PROTEIN; COMPND 6 ENGINEERED: YES; COMPND 7 MOL_ID: 2; COMPND 8 MOLECULE: TRANSCRIPTION INTERMEDIARY FACTOR 1-BETA; COMPND 9 CHAIN: C; COMPND 10 SYNONYM: TIF1-BETA,E3 SUMO-PROTEIN LIGASE TRIM28,KRAB-ASSOCIATED COMPND 11 PROTEIN 1,KAP-1,KRAB-INTERACTING PROTEIN 1,KRIP-1,NUCLEAR COREPRESSOR COMPND 12 KAP-1,RING FINGER PROTEIN 96,RING-TYPE E3 UBIQUITIN TRANSFERASE TIF1- COMPND 13 BETA,TRIPARTITE MOTIF-CONTAINING PROTEIN 28; COMPND 14 EC: 2.3.2.27; COMPND 15 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: CBX3; SOURCE 6 EXPRESSION_SYSTEM: ESCHERICHIA COLI; SOURCE 7 EXPRESSION_SYSTEM_TAXID: 562; SOURCE 8 MOL_ID: 2; SOURCE 9 ORGANISM_SCIENTIFIC: HOMO SAPIENS; SOURCE 10 ORGANISM_COMMON: HUMAN; SOURCE 11 ORGANISM_TAXID: 9606; SOURCE 12 GENE: TRIM28, KAP1, RNF96, TIF1B; SOURCE 13 EXPRESSION_SYSTEM: ESCHERICHIA COLI; SOURCE 14 EXPRESSION_SYSTEM_TAXID: 562 KEYWDS HP1, CSD DOMAIN, KAP1, TRANSCRIPTION EXPDTA X-RAY DIFFRACTION AUTHOR K.SELVAM,J.LIU,R.K.SINGH,N.GAURAV,T.G.KUTATELADZE REVDAT 1 04-FEB-26 9OSC 0 JRNL AUTH N.GAURAV,W.QIN,K.SELVAM,Z.ZHOU,J.LIU,Y.YIN,R.K.SINGH, JRNL AUTH 2 R.A.O'HARA,Z.TAVAF,A.KUMAR,H.KONO,G.J.NARLIKAR, JRNL AUTH 3 L.A.BANASZYNSKI,H.LEONHARDT,T.G.KUTATELADZE JRNL TITL HP1 GAMMA SELF-ASSEMBLES AND COOPERATES WITH KAP1 IN JRNL TITL 2 REPRESSION OF LONG NONCODING RNA AI662270 IN ESCS. JRNL REF CELL REP V. 45 16874 2026 JRNL REFN ESSN 2211-1247 JRNL PMID 41575850 JRNL DOI 10.1016/J.CELREP.2025.116874 REMARK 2 REMARK 2 RESOLUTION. 1.77 ANGSTROMS. REMARK 3 REMARK 3 REFINEMENT. REMARK 3 PROGRAM : REFMAC 5.8.0425 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) : 1.77 REMARK 3 RESOLUTION RANGE LOW (ANGSTROMS) : 26.31 REMARK 3 DATA CUTOFF (SIGMA(F)) : NULL REMARK 3 COMPLETENESS FOR RANGE (%) : 96.8 REMARK 3 NUMBER OF REFLECTIONS : 8474 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) : 0.208 REMARK 3 R VALUE (WORKING SET) : 0.206 REMARK 3 FREE R VALUE : 0.236 REMARK 3 FREE R VALUE TEST SET SIZE (%) : 5.100 REMARK 3 FREE R VALUE TEST SET COUNT : 452 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) : 1.77 REMARK 3 BIN RESOLUTION RANGE LOW (A) : 1.82 REMARK 3 REFLECTION IN BIN (WORKING SET) : 563 REMARK 3 BIN COMPLETENESS (WORKING+TEST) (%) : 87.70 REMARK 3 BIN R VALUE (WORKING SET) : 0.2780 REMARK 3 BIN FREE R VALUE SET COUNT : 29 REMARK 3 BIN FREE R VALUE : 0.3140 REMARK 3 REMARK 3 NUMBER OF NON-HYDROGEN ATOMS USED IN REFINEMENT. REMARK 3 PROTEIN ATOMS : 552 REMARK 3 NUCLEIC ACID ATOMS : 0 REMARK 3 HETEROGEN ATOMS : 0 REMARK 3 SOLVENT ATOMS : 33 REMARK 3 REMARK 3 B VALUES. REMARK 3 FROM WILSON PLOT (A**2) : NULL REMARK 3 MEAN B VALUE (OVERALL, A**2) : 30.35 REMARK 3 OVERALL ANISOTROPIC B VALUE. REMARK 3 B11 (A**2) : 0.32000 REMARK 3 B22 (A**2) : 0.32000 REMARK 3 B33 (A**2) : -1.05000 REMARK 3 B12 (A**2) : 0.16000 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): 0.118 REMARK 3 ESU BASED ON FREE R VALUE (A): 0.114 REMARK 3 ESU BASED ON MAXIMUM LIKELIHOOD (A): 0.060 REMARK 3 ESU FOR B VALUES BASED ON MAXIMUM LIKELIHOOD (A**2): 3.599 REMARK 3 REMARK 3 CORRELATION COEFFICIENTS. REMARK 3 CORRELATION COEFFICIENT FO-FC : 0.950 REMARK 3 CORRELATION COEFFICIENT FO-FC FREE : 0.922 REMARK 3 REMARK 3 RMS DEVIATIONS FROM IDEAL VALUES COUNT RMS WEIGHT REMARK 3 BOND LENGTHS REFINED ATOMS (A): 581 ; 0.008 ; 0.012 REMARK 3 BOND LENGTHS OTHERS (A): 562 ; 0.001 ; 0.016 REMARK 3 BOND ANGLES REFINED ATOMS (DEGREES): 788 ; 1.758 ; 1.854 REMARK 3 BOND ANGLES OTHERS (DEGREES): 1301 ; 0.618 ; 1.786 REMARK 3 TORSION ANGLES, PERIOD 1 (DEGREES): 74 ; 6.132 ; 5.000 REMARK 3 TORSION ANGLES, PERIOD 2 (DEGREES): 5 ; 5.079 ; 5.000 REMARK 3 TORSION ANGLES, PERIOD 3 (DEGREES): 106 ;13.177 ;10.000 REMARK 3 TORSION ANGLES, PERIOD 4 (DEGREES): NULL ; NULL ; NULL REMARK 3 CHIRAL-CENTER RESTRAINTS (A**3): 87 ; 0.095 ; 0.200 REMARK 3 GENERAL PLANES REFINED ATOMS (A): 685 ; 0.007 ; 0.020 REMARK 3 GENERAL PLANES OTHERS (A): 127 ; 0.001 ; 0.020 REMARK 3 NON-BONDED CONTACTS REFINED ATOMS (A): NULL ; NULL ; NULL REMARK 3 NON-BONDED CONTACTS OTHERS (A): NULL ; NULL ; NULL REMARK 3 NON-BONDED TORSION REFINED ATOMS (A): NULL ; NULL ; NULL REMARK 3 NON-BONDED TORSION OTHERS (A): NULL ; NULL ; NULL REMARK 3 H-BOND (X...Y) REFINED ATOMS (A): NULL ; NULL ; NULL 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): NULL ; NULL ; NULL REMARK 3 SYMMETRY VDW OTHERS (A): NULL ; NULL ; NULL REMARK 3 SYMMETRY H-BOND REFINED ATOMS (A): NULL ; NULL ; NULL 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): 284 ; 2.446 ; 2.290 REMARK 3 MAIN-CHAIN BOND OTHER ATOMS (A**2): 284 ; 2.444 ; 2.291 REMARK 3 MAIN-CHAIN ANGLE REFINED ATOMS (A**2): 353 ; 3.616 ; 4.084 REMARK 3 MAIN-CHAIN ANGLE OTHER ATOMS (A**2): 354 ; 3.611 ; 4.085 REMARK 3 SIDE-CHAIN BOND REFINED ATOMS (A**2): 297 ; 3.330 ; 2.719 REMARK 3 SIDE-CHAIN BOND OTHER ATOMS (A**2): 296 ; 3.227 ; 2.719 REMARK 3 SIDE-CHAIN ANGLE REFINED ATOMS (A**2): NULL ; NULL ; NULL REMARK 3 SIDE-CHAIN ANGLE OTHER ATOMS (A**2): 433 ; 5.235 ; 4.825 REMARK 3 LONG RANGE B REFINED ATOMS (A**2): 601 ; 6.532 ;25.970 REMARK 3 LONG RANGE B OTHER ATOMS (A**2): 597 ; 6.431 ;25.250 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 : 2 REMARK 3 REMARK 3 TLS GROUP : 1 REMARK 3 NUMBER OF COMPONENTS GROUP : 1 REMARK 3 COMPONENTS C SSSEQI TO C SSSEQI REMARK 3 RESIDUE RANGE : A 112 A 174 REMARK 3 ORIGIN FOR THE GROUP (A): 25.8386 -11.2990 -12.1575 REMARK 3 T TENSOR REMARK 3 T11: 0.0895 T22: 0.0661 REMARK 3 T33: 0.0373 T12: 0.0314 REMARK 3 T13: -0.0043 T23: -0.0145 REMARK 3 L TENSOR REMARK 3 L11: 0.2659 L22: 1.5845 REMARK 3 L33: 0.8977 L12: -0.0016 REMARK 3 L13: 0.0679 L23: -1.1018 REMARK 3 S TENSOR REMARK 3 S11: -0.1014 S12: -0.0738 S13: 0.0187 REMARK 3 S21: -0.1068 S22: 0.1394 S23: 0.0123 REMARK 3 S31: 0.1010 S32: -0.0685 S33: -0.0379 REMARK 3 REMARK 3 TLS GROUP : 2 REMARK 3 NUMBER OF COMPONENTS GROUP : 1 REMARK 3 COMPONENTS C SSSEQI TO C SSSEQI REMARK 3 RESIDUE RANGE : C 485 C 491 REMARK 3 ORIGIN FOR THE GROUP (A): 38.3530 -0.1739 -13.8939 REMARK 3 T TENSOR REMARK 3 T11: 0.0161 T22: 0.0418 REMARK 3 T33: 0.0759 T12: 0.0145 REMARK 3 T13: -0.0054 T23: -0.0177 REMARK 3 L TENSOR REMARK 3 L11: 0.1708 L22: 10.3783 REMARK 3 L33: 3.3874 L12: -0.6600 REMARK 3 L13: 0.7331 L23: -4.1773 REMARK 3 S TENSOR REMARK 3 S11: 0.0190 S12: 0.0725 S13: 0.0215 REMARK 3 S21: 0.2483 S22: -0.1538 S23: -0.1700 REMARK 3 S31: 0.0245 S32: 0.2796 S33: 0.1348 REMARK 3 REMARK 3 BULK SOLVENT MODELLING. REMARK 3 METHOD USED : MASK REMARK 3 PARAMETERS FOR MASK CALCULATION REMARK 3 VDW PROBE RADIUS : 1.20 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 9OSC COMPLIES WITH FORMAT V. 3.30, 13-JUL-11 REMARK 100 REMARK 100 THIS ENTRY HAS BEEN PROCESSED BY RCSB ON 27-MAY-25. REMARK 100 THE DEPOSITION ID IS D_1000296249. REMARK 200 REMARK 200 EXPERIMENTAL DETAILS REMARK 200 EXPERIMENT TYPE : X-RAY DIFFRACTION REMARK 200 DATE OF DATA COLLECTION : 19-JUN-21 REMARK 200 TEMPERATURE (KELVIN) : 100 REMARK 200 PH : NULL REMARK 200 NUMBER OF CRYSTALS USED : 1 REMARK 200 REMARK 200 SYNCHROTRON (Y/N) : N REMARK 200 RADIATION SOURCE : ROTATING ANODE REMARK 200 BEAMLINE : NULL REMARK 200 X-RAY GENERATOR MODEL : RIGAKU MICROMAX-007 HF REMARK 200 MONOCHROMATIC OR LAUE (M/L) : M REMARK 200 WAVELENGTH OR RANGE (A) : 1.54 REMARK 200 MONOCHROMATOR : NULL REMARK 200 OPTICS : NULL REMARK 200 REMARK 200 DETECTOR TYPE : PIXEL REMARK 200 DETECTOR MANUFACTURER : DECTRIS PILATUS 200K REMARK 200 INTENSITY-INTEGRATION SOFTWARE : HKL-2000 REMARK 200 DATA SCALING SOFTWARE : HKL-2000 REMARK 200 REMARK 200 NUMBER OF UNIQUE REFLECTIONS : 9004 REMARK 200 RESOLUTION RANGE HIGH (A) : 1.770 REMARK 200 RESOLUTION RANGE LOW (A) : 50.000 REMARK 200 REJECTION CRITERIA (SIGMA(I)) : NULL REMARK 200 REMARK 200 OVERALL. REMARK 200 COMPLETENESS FOR RANGE (%) : 97.0 REMARK 200 DATA REDUNDANCY : 11.70 REMARK 200 R MERGE (I) : 0.04100 REMARK 200 R SYM (I) : NULL REMARK 200 FOR THE DATA SET : 25.8000 REMARK 200 REMARK 200 IN THE HIGHEST RESOLUTION SHELL. REMARK 200 HIGHEST RESOLUTION SHELL, RANGE HIGH (A) : 1.77 REMARK 200 HIGHEST RESOLUTION SHELL, RANGE LOW (A) : 1.80 REMARK 200 COMPLETENESS FOR SHELL (%) : 85.7 REMARK 200 DATA REDUNDANCY IN SHELL : 6.80 REMARK 200 R MERGE FOR SHELL (I) : 0.36200 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 (%): 52.02 REMARK 280 MATTHEWS COEFFICIENT, VM (ANGSTROMS**3/DA): 2.56 REMARK 280 REMARK 280 CRYSTALLIZATION CONDITIONS: 1.0 M LICL2, 0.1 M CITRATE BUFFER PH REMARK 280 4.0, AND 20% PEG6000, VAPOR DIFFUSION, SITTING DROP, TEMPERATURE REMARK 280 291K REMARK 290 REMARK 290 CRYSTALLOGRAPHIC SYMMETRY REMARK 290 SYMMETRY OPERATORS FOR SPACE GROUP: P 32 2 1 REMARK 290 REMARK 290 SYMOP SYMMETRY REMARK 290 NNNMMM OPERATOR REMARK 290 1555 X,Y,Z REMARK 290 2555 -Y,X-Y,Z+2/3 REMARK 290 3555 -X+Y,-X,Z+1/3 REMARK 290 4555 Y,X,-Z REMARK 290 5555 X-Y,-Y,-Z+1/3 REMARK 290 6555 -X,-X+Y,-Z+2/3 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 28.69467 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 14.34733 REMARK 290 SMTRY1 4 -0.500000 0.866025 0.000000 0.00000 REMARK 290 SMTRY2 4 0.866025 0.500000 0.000000 0.00000 REMARK 290 SMTRY3 4 0.000000 0.000000 -1.000000 0.00000 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 14.34733 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 28.69467 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 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 ALA A 110 REMARK 465 ALA A 111 REMARK 465 HIS A 175 REMARK 465 SER A 176 REMARK 465 ARG C 483 REMARK 465 LYS C 484 REMARK 465 ARG C 492 REMARK 465 LEU C 493 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 ASP A 112 CG OD1 OD2 REMARK 470 LYS A 143 CG CD CE NZ DBREF 9OSC A 110 176 UNP Q13185 CBX3_HUMAN 110 176 DBREF 9OSC C 483 493 UNP Q13263 TIF1B_HUMAN 483 493 SEQRES 1 A 67 ALA ALA ASP LYS PRO ARG GLY PHE ALA ARG GLY LEU ASP SEQRES 2 A 67 PRO GLU ARG ILE ILE GLY ALA THR ASP SER SER GLY GLU SEQRES 3 A 67 LEU MET PHE LEU MET LYS TRP LYS ASP SER ASP GLU ALA SEQRES 4 A 67 ASP LEU VAL LEU ALA LYS GLU ALA ASN MET LYS CYS PRO SEQRES 5 A 67 GLN ILE VAL ILE ALA PHE TYR GLU GLU ARG LEU THR TRP SEQRES 6 A 67 HIS SER SEQRES 1 C 11 ARG LYS VAL PRO ARG VAL SER LEU GLU ARG LEU FORMUL 3 HOH *33(H2 O) HELIX 1 AA1 ARG A 115 GLY A 120 5 6 HELIX 2 AA2 ALA A 153 CYS A 160 1 8 HELIX 3 AA3 CYS A 160 GLU A 170 1 11 SHEET 1 AA1 3 PRO A 123 THR A 130 0 SHEET 2 AA1 3 MET A 137 TRP A 142 -1 O LYS A 141 N ARG A 125 SHEET 3 AA1 3 ASP A 149 LEU A 152 -1 O ASP A 149 N MET A 140 SHEET 1 AA2 2 LEU A 172 THR A 173 0 SHEET 2 AA2 2 VAL C 488 SER C 489 1 O VAL C 488 N THR A 173 LINK C VAL C 485 N GLU C 491 1555 5554 1.39 CRYST1 60.726 60.726 43.042 90.00 90.00 120.00 P 32 2 1 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 0.016467 0.009507 0.000000 0.00000 SCALE2 0.000000 0.019015 0.000000 0.00000 SCALE3 0.000000 0.000000 0.023233 0.00000 MASTER 302 0 0 3 5 0 0 6 585 2 0 7 END