HEADER TRANSCRIPTION 13-DEC-12 4IEJ TITLE CRYSTAL STRUCTURE OF A DNA METHYLTRANSFERASE 1 ASSOCIATED PROTEIN 1 TITLE 2 (DMAP1) FROM HOMO SAPIENS AT 1.45 A RESOLUTION COMPND MOL_ID: 1; COMPND 2 MOLECULE: DNA METHYLTRANSFERASE 1-ASSOCIATED PROTEIN 1; COMPND 3 CHAIN: A; COMPND 4 FRAGMENT: SANT DOMAIN CONTAINING RESIDUES 121-212; COMPND 5 SYNONYM: DNMAP1, DNMT1-ASSOCIATED PROTEIN 1; COMPND 6 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: BC008053, DMAP1, KIAA1425; SOURCE 6 EXPRESSION_SYSTEM: ESCHERICHIA COLI; SOURCE 7 EXPRESSION_SYSTEM_TAXID: 562; SOURCE 8 EXPRESSION_SYSTEM_STRAIN: PB1; SOURCE 9 EXPRESSION_SYSTEM_VECTOR_TYPE: PLASMID; SOURCE 10 EXPRESSION_SYSTEM_PLASMID: SPEEDET KEYWDS DNA METHYLATION, CHROMATIN REGULATOR, REPRESSOR, STRUCTURAL GENOMICS, KEYWDS 2 JOINT CENTER FOR STRUCTURAL GENOMICS, JCSG, PARTNERSHIP FOR T-CELL KEYWDS 3 BIOLOGY, TCELL, PROTEIN STRUCTURE INITIATIVE, PSI-BIOLOGY, KEYWDS 4 TRANSCRIPTION EXPDTA X-RAY DIFFRACTION AUTHOR JOINT CENTER FOR STRUCTURAL GENOMICS (JCSG),PARTNERSHIP FOR T-CELL AUTHOR 2 BIOLOGY (TCELL) REVDAT 6 20-SEP-23 4IEJ 1 REMARK REVDAT 5 01-FEB-23 4IEJ 1 REMARK SEQADV LINK REVDAT 4 15-NOV-17 4IEJ 1 REMARK REVDAT 3 16-JAN-13 4IEJ 1 AUTHOR REVDAT 2 09-JAN-13 4IEJ 1 KEYWDS REVDAT 1 02-JAN-13 4IEJ 0 JRNL AUTH JOINT CENTER FOR STRUCTURAL GENOMICS (JCSG), JRNL AUTH 2 PARTNERSHIP FOR T-CELL BIOLOGY JRNL TITL CRYSTAL STRUCTURE OF A DNA METHYLTRANSFERASE 1 ASSOCIATED JRNL TITL 2 PROTEIN 1 (DMAP1) FROM HOMO SAPIENS AT 1.45 A RESOLUTION JRNL REF TO BE PUBLISHED JRNL REFN REMARK 2 REMARK 2 RESOLUTION. 1.45 ANGSTROMS. REMARK 3 REMARK 3 REFINEMENT. REMARK 3 PROGRAM : BUSTER-TNT 2.10.0 REMARK 3 AUTHORS : BRICOGNE,BLANC,BRANDL,FLENSBURG,KELLER, REMARK 3 : PACIOREK,ROVERSI,SMART,VONRHEIN,WOMACK, REMARK 3 : MATTHEWS,TEN EYCK,TRONRUD REMARK 3 REMARK 3 DATA USED IN REFINEMENT. REMARK 3 RESOLUTION RANGE HIGH (ANGSTROMS) : 1.45 REMARK 3 RESOLUTION RANGE LOW (ANGSTROMS) : 38.33 REMARK 3 DATA CUTOFF (SIGMA(F)) : 0.000 REMARK 3 COMPLETENESS FOR RANGE (%) : 99.8 REMARK 3 NUMBER OF REFLECTIONS : 18079 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) : 0.198 REMARK 3 R VALUE (WORKING SET) : 0.197 REMARK 3 FREE R VALUE : 0.226 REMARK 3 FREE R VALUE TEST SET SIZE (%) : 5.090 REMARK 3 FREE R VALUE TEST SET COUNT : 920 REMARK 3 ESTIMATED ERROR OF FREE R VALUE : NULL REMARK 3 REMARK 3 FIT IN THE HIGHEST RESOLUTION BIN. REMARK 3 TOTAL NUMBER OF BINS USED : 9 REMARK 3 BIN RESOLUTION RANGE HIGH (ANGSTROMS) : 1.45 REMARK 3 BIN RESOLUTION RANGE LOW (ANGSTROMS) : 1.54 REMARK 3 BIN COMPLETENESS (WORKING+TEST) (%) : 99.78 REMARK 3 REFLECTIONS IN BIN (WORKING + TEST SET) : 2812 REMARK 3 BIN R VALUE (WORKING + TEST SET) : 0.2237 REMARK 3 REFLECTIONS IN BIN (WORKING SET) : 2649 REMARK 3 BIN R VALUE (WORKING SET) : 0.2231 REMARK 3 BIN FREE R VALUE : 0.2340 REMARK 3 BIN FREE R VALUE TEST SET SIZE (%) : 5.80 REMARK 3 BIN FREE R VALUE TEST SET COUNT : 163 REMARK 3 ESTIMATED ERROR OF BIN FREE R VALUE : NULL REMARK 3 REMARK 3 NUMBER OF NON-HYDROGEN ATOMS USED IN REFINEMENT. REMARK 3 PROTEIN ATOMS : 655 REMARK 3 NUCLEIC ACID ATOMS : 0 REMARK 3 HETEROGEN ATOMS : 1 REMARK 3 SOLVENT ATOMS : 76 REMARK 3 REMARK 3 B VALUES. REMARK 3 FROM WILSON PLOT (A**2) : 23.31 REMARK 3 MEAN B VALUE (OVERALL, A**2) : 36.20 REMARK 3 OVERALL ANISOTROPIC B VALUE. REMARK 3 B11 (A**2) : -2.91360 REMARK 3 B22 (A**2) : -2.91360 REMARK 3 B33 (A**2) : 5.82720 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 COORDINATE ERROR. REMARK 3 ESD FROM LUZZATI PLOT (A) : 0.251 REMARK 3 DPI (BLOW EQ-10) BASED ON R VALUE (A) : NULL REMARK 3 DPI (BLOW EQ-9) BASED ON FREE R VALUE (A) : NULL REMARK 3 DPI (CRUICKSHANK) BASED ON R VALUE (A) : NULL REMARK 3 DPI (CRUICKSHANK) BASED ON FREE R VALUE (A) : NULL REMARK 3 REMARK 3 REFERENCES: BLOW, D. (2002) ACTA CRYST D58, 792-797 REMARK 3 CRUICKSHANK, D.W.J. (1999) ACTA CRYST D55, 583-601 REMARK 3 REMARK 3 CORRELATION COEFFICIENTS. REMARK 3 CORRELATION COEFFICIENT FO-FC : 0.951 REMARK 3 CORRELATION COEFFICIENT FO-FC FREE : 0.948 REMARK 3 REMARK 3 NUMBER OF GEOMETRIC FUNCTION TERMS DEFINED : 15 REMARK 3 TERM COUNT WEIGHT FUNCTION. REMARK 3 BOND LENGTHS : 747 ; 2.000 ; HARMONIC REMARK 3 BOND ANGLES : 1023 ; 2.000 ; HARMONIC REMARK 3 TORSION ANGLES : 371 ; 2.000 ; SINUSOIDAL REMARK 3 TRIGONAL CARBON PLANES : 23 ; 2.000 ; HARMONIC REMARK 3 GENERAL PLANES : 120 ; 5.000 ; HARMONIC REMARK 3 ISOTROPIC THERMAL FACTORS : 747 ; 20.000 ; HARMONIC REMARK 3 BAD NON-BONDED CONTACTS : 0 ; 5.000 ; SEMIHARMONIC REMARK 3 IMPROPER TORSIONS : NULL ; NULL ; NULL REMARK 3 PSEUDOROTATION ANGLES : NULL ; NULL ; NULL REMARK 3 CHIRAL IMPROPER TORSION : 89 ; 5.000 ; SEMIHARMONIC REMARK 3 SUM OF OCCUPANCIES : NULL ; NULL ; NULL REMARK 3 UTILITY DISTANCES : NULL ; NULL ; NULL REMARK 3 UTILITY ANGLES : NULL ; NULL ; NULL REMARK 3 UTILITY TORSION : NULL ; NULL ; NULL REMARK 3 IDEAL-DIST CONTACT TERM : 882 ; 4.000 ; SEMIHARMONIC REMARK 3 REMARK 3 RMS DEVIATIONS FROM IDEAL VALUES. REMARK 3 BOND LENGTHS (A) : 0.010 REMARK 3 BOND ANGLES (DEGREES) : 0.92 REMARK 3 PEPTIDE OMEGA TORSION ANGLES (DEGREES) : 3.81 REMARK 3 OTHER TORSION ANGLES (DEGREES) : 2.90 REMARK 3 REMARK 3 TLS DETAILS REMARK 3 NUMBER OF TLS GROUPS : 1 REMARK 3 REMARK 3 TLS GROUP : 1 REMARK 3 SELECTION: { A|133 - A|207 } REMARK 3 ORIGIN FOR THE GROUP (A): 4.3298 24.2719 6.9730 REMARK 3 T TENSOR REMARK 3 T11: -0.0424 T22: -0.0414 REMARK 3 T33: -0.1080 T12: 0.0191 REMARK 3 T13: -0.0041 T23: -0.0109 REMARK 3 L TENSOR REMARK 3 L11: 1.1018 L22: 2.1430 REMARK 3 L33: 6.3766 L12: -0.0185 REMARK 3 L13: 0.3331 L23: -0.0450 REMARK 3 S TENSOR REMARK 3 S11: -0.0223 S12: -0.0360 S13: -0.0515 REMARK 3 S21: 0.1197 S22: -0.0648 S23: -0.0139 REMARK 3 S31: -0.1000 S32: -0.4342 S33: 0.0871 REMARK 3 REMARK 3 OTHER REFINEMENT REMARKS: 1. ATOM RECORD CONTAINS SUM OF TLS AND REMARK 3 RESIDUAL B FACTORS. ANISOU RECORD CONTAINS SUM OF TLS AND REMARK 3 RESIDUAL U FACTORS. 2. CALCIUM ION MODELED IS PRESENT IN REMARK 3 CRYSTALLIZATION BUFFER. REMARK 4 REMARK 4 4IEJ COMPLIES WITH FORMAT V. 3.30, 13-JUL-11 REMARK 100 REMARK 100 THIS ENTRY HAS BEEN PROCESSED BY RCSB ON 18-DEC-12. REMARK 100 THE DEPOSITION ID IS D_1000076652. REMARK 200 REMARK 200 EXPERIMENTAL DETAILS REMARK 200 EXPERIMENT TYPE : X-RAY DIFFRACTION REMARK 200 DATE OF DATA COLLECTION : 31-MAY-12 REMARK 200 TEMPERATURE (KELVIN) : 100 REMARK 200 PH : NULL REMARK 200 NUMBER OF CRYSTALS USED : 1 REMARK 200 REMARK 200 SYNCHROTRON (Y/N) : Y REMARK 200 RADIATION SOURCE : SSRL REMARK 200 BEAMLINE : BL12-2 REMARK 200 X-RAY GENERATOR MODEL : NULL REMARK 200 MONOCHROMATIC OR LAUE (M/L) : M REMARK 200 WAVELENGTH OR RANGE (A) : 0.9795 REMARK 200 MONOCHROMATOR : DOUBLE CRYSTAL SI(111) REMARK 200 OPTICS : RHODIUM-COATED VERTICAL AND REMARK 200 HORIZONTAL FOCUSING MIRRORS, REMARK 200 LIQUID-NITROGEN COOLED DOUBLE REMARK 200 CRYSTAL SI(111) MONOCHROMATOR 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 : XSCALE MARCH 15, 2012 REMARK 200 REMARK 200 NUMBER OF UNIQUE REFLECTIONS : 18199 REMARK 200 RESOLUTION RANGE HIGH (A) : 1.450 REMARK 200 RESOLUTION RANGE LOW (A) : 38.327 REMARK 200 REJECTION CRITERIA (SIGMA(I)) : -3.000 REMARK 200 REMARK 200 OVERALL. REMARK 200 COMPLETENESS FOR RANGE (%) : 99.7 REMARK 200 DATA REDUNDANCY : NULL REMARK 200 R MERGE (I) : 0.05000 REMARK 200 R SYM (I) : NULL REMARK 200 FOR THE DATA SET : 18.9900 REMARK 200 REMARK 200 IN THE HIGHEST RESOLUTION SHELL. REMARK 200 HIGHEST RESOLUTION SHELL, RANGE HIGH (A) : 1.45 REMARK 200 HIGHEST RESOLUTION SHELL, RANGE LOW (A) : 1.50 REMARK 200 COMPLETENESS FOR SHELL (%) : 99.7 REMARK 200 DATA REDUNDANCY IN SHELL : NULL REMARK 200 R MERGE FOR SHELL (I) : 0.98400 REMARK 200 R SYM FOR SHELL (I) : NULL REMARK 200 FOR SHELL : 2.300 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: 3HM5 REMARK 200 REMARK 200 REMARK: NULL REMARK 280 REMARK 280 CRYSTAL REMARK 280 SOLVENT CONTENT, VS (%): 40.42 REMARK 280 MATTHEWS COEFFICIENT, VM (ANGSTROMS**3/DA): 2.06 REMARK 280 REMARK 280 CRYSTALLIZATION CONDITIONS: 0.20M CALCIUM CHLORIDE 20.00% REMARK 280 POLYETHYLENE GLYCOL 3350, NANODROP, VAPOR DIFFUSION, SITTING REMARK 280 DROP, TEMPERATURE 277K REMARK 290 REMARK 290 CRYSTALLOGRAPHIC SYMMETRY REMARK 290 SYMMETRY OPERATORS FOR SPACE GROUP: P 61 2 2 REMARK 290 REMARK 290 SYMOP SYMMETRY REMARK 290 NNNMMM OPERATOR REMARK 290 1555 X,Y,Z REMARK 290 2555 -Y,X-Y,Z+1/3 REMARK 290 3555 -X+Y,-X,Z+2/3 REMARK 290 4555 -X,-Y,Z+1/2 REMARK 290 5555 Y,-X+Y,Z+5/6 REMARK 290 6555 X-Y,X,Z+1/6 REMARK 290 7555 Y,X,-Z+1/3 REMARK 290 8555 X-Y,-Y,-Z REMARK 290 9555 -X,-X+Y,-Z+2/3 REMARK 290 10555 -Y,-X,-Z+5/6 REMARK 290 11555 -X+Y,Y,-Z+1/2 REMARK 290 12555 X,X-Y,-Z+1/6 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 76.65333 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 153.30667 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 114.98000 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 191.63333 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 38.32667 REMARK 290 SMTRY1 7 -0.500000 0.866025 0.000000 0.00000 REMARK 290 SMTRY2 7 0.866025 0.500000 0.000000 0.00000 REMARK 290 SMTRY3 7 0.000000 0.000000 -1.000000 76.65333 REMARK 290 SMTRY1 8 1.000000 0.000000 0.000000 0.00000 REMARK 290 SMTRY2 8 0.000000 -1.000000 0.000000 0.00000 REMARK 290 SMTRY3 8 0.000000 0.000000 -1.000000 0.00000 REMARK 290 SMTRY1 9 -0.500000 -0.866025 0.000000 0.00000 REMARK 290 SMTRY2 9 -0.866025 0.500000 0.000000 0.00000 REMARK 290 SMTRY3 9 0.000000 0.000000 -1.000000 153.30667 REMARK 290 SMTRY1 10 0.500000 -0.866025 0.000000 0.00000 REMARK 290 SMTRY2 10 -0.866025 -0.500000 0.000000 0.00000 REMARK 290 SMTRY3 10 0.000000 0.000000 -1.000000 191.63333 REMARK 290 SMTRY1 11 -1.000000 0.000000 0.000000 0.00000 REMARK 290 SMTRY2 11 0.000000 1.000000 0.000000 0.00000 REMARK 290 SMTRY3 11 0.000000 0.000000 -1.000000 114.98000 REMARK 290 SMTRY1 12 0.500000 0.866025 0.000000 0.00000 REMARK 290 SMTRY2 12 0.866025 -0.500000 0.000000 0.00000 REMARK 290 SMTRY3 12 0.000000 0.000000 -1.000000 38.32667 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: 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 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 413 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 GLY A 0 REMARK 465 GLY A 121 REMARK 465 LYS A 122 REMARK 465 ASP A 123 REMARK 465 TYR A 124 REMARK 465 PRO A 125 REMARK 465 PHE A 126 REMARK 465 ALA A 127 REMARK 465 ARG A 128 REMARK 465 PHE A 129 REMARK 465 ASN A 130 REMARK 465 LYS A 131 REMARK 465 THR A 132 REMARK 465 VAL A 208 REMARK 465 PRO A 209 REMARK 465 GLY A 210 REMARK 465 THR A 211 REMARK 465 ASP A 212 REMARK 620 REMARK 620 METAL COORDINATION REMARK 620 (M=MODEL NUMBER; RES=RESIDUE NAME; C=CHAIN IDENTIFIER; REMARK 620 SSEQ=SEQUENCE NUMBER; I=INSERTION CODE): REMARK 620 REMARK 620 COORDINATION ANGLES FOR: M RES CSSEQI METAL REMARK 620 CA A 301 CA REMARK 620 N RES CSSEQI ATOM REMARK 620 1 ARG A 165 O REMARK 620 2 ASP A 168 OD1 89.2 REMARK 620 3 HOH A 412 O 75.2 97.8 REMARK 620 4 HOH A 419 O 78.0 87.5 152.6 REMARK 620 5 HOH A 471 O 155.9 106.1 84.1 120.3 REMARK 620 6 HOH A 473 O 135.6 57.4 132.4 72.6 68.2 REMARK 620 N 1 2 3 4 5 REMARK 800 REMARK 800 SITE REMARK 800 SITE_IDENTIFIER: AC1 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE CA A 301 REMARK 900 REMARK 900 RELATED ENTRIES REMARK 900 RELATED ID: JCSG-423958 RELATED DB: TARGETTRACK REMARK 999 REMARK 999 SEQUENCE REMARK 999 THE CONSTRUCT (121-212) WAS EXPRESSED WITH A PURIFICATION TAG REMARK 999 MGSDKIHHHHHHENLYFQG. THE TAG WAS REMOVED WITH TEV PROTEASE LEAVING REMARK 999 ONLY A GLYCINE (0) FOLLOWED BY THE TARGET SEQUENCE. DBREF 4IEJ A 121 212 UNP Q9NPF5 DMAP1_HUMAN 121 212 SEQADV 4IEJ GLY A 0 UNP Q9NPF5 EXPRESSION TAG SEQRES 1 A 93 GLY GLY LYS ASP TYR PRO PHE ALA ARG PHE ASN LYS THR SEQRES 2 A 93 VAL GLN VAL PRO VAL TYR SER GLU GLN GLU TYR GLN LEU SEQRES 3 A 93 TYR LEU HIS ASP ASP ALA TRP THR LYS ALA GLU THR ASP SEQRES 4 A 93 HIS LEU PHE ASP LEU SER ARG ARG PHE ASP LEU ARG PHE SEQRES 5 A 93 VAL VAL ILE HIS ASP ARG TYR ASP HIS GLN GLN PHE LYS SEQRES 6 A 93 LYS ARG SER VAL GLU ASP LEU LYS GLU ARG TYR TYR HIS SEQRES 7 A 93 ILE CYS ALA LYS LEU ALA ASN VAL ARG ALA VAL PRO GLY SEQRES 8 A 93 THR ASP HET CA A 301 1 HETNAM CA CALCIUM ION FORMUL 2 CA CA 2+ FORMUL 3 HOH *76(H2 O) HELIX 1 1 SER A 139 LEU A 147 1 9 HELIX 2 2 THR A 153 PHE A 167 1 15 HELIX 3 3 ARG A 170 TYR A 178 1 9 HELIX 4 4 SER A 187 ARG A 206 1 20 LINK O ARG A 165 CA CA A 301 1555 1555 2.42 LINK OD1 ASP A 168 CA CA A 301 1555 1555 2.94 LINK CA CA A 301 O HOH A 412 1555 1555 2.17 LINK CA CA A 301 O HOH A 419 1555 1555 2.65 LINK CA CA A 301 O HOH A 471 1555 1555 2.38 LINK CA CA A 301 O HOH A 473 1555 1555 2.57 SITE 1 AC1 7 ARG A 165 ASP A 168 ASP A 176 HOH A 412 SITE 2 AC1 7 HOH A 419 HOH A 471 HOH A 473 CRYST1 37.353 37.353 229.960 90.00 90.00 120.00 P 61 2 2 12 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 0.026772 0.015457 0.000000 0.00000 SCALE2 0.000000 0.030913 0.000000 0.00000 SCALE3 0.000000 0.000000 0.004349 0.00000