PDB Short entry for 5ZK1 HEADER TRANSCRIPTION/DNA 22-MAR-18 5ZK1 TITLE CRYSTAL STRUCTURE OF THE CRTC2(SEMET)-CREB-CRE COMPLEX COMPND MOL_ID: 1; COMPND 2 MOLECULE: DNA (5'- COMPND 3 D(*CP*TP*TP*GP*GP*CP*TP*GP*AP*CP*GP*TP*CP*AP*GP*CP*CP*AP*AP*G)-3'); COMPND 4 CHAIN: B; COMPND 5 ENGINEERED: YES; COMPND 6 MOL_ID: 2; COMPND 7 MOLECULE: CYCLIC AMP-RESPONSIVE ELEMENT-BINDING PROTEIN 1; COMPND 8 CHAIN: A; COMPND 9 FRAGMENT: BZIP DOMAIN; COMPND 10 SYNONYM: CREB, CAMP-RESPONSIVE ELEMENT-BINDING PROTEIN 1; COMPND 11 ENGINEERED: YES; COMPND 12 MUTATION: YES; COMPND 13 MOL_ID: 3; COMPND 14 MOLECULE: CREB-REGULATED TRANSCRIPTION COACTIVATOR 2; COMPND 15 CHAIN: C; COMPND 16 FRAGMENT: BINDING DOMAIN; COMPND 17 SYNONYM: TRANSDUCER OF REGULATED CAMP RESPONSE ELEMENT-BINDING COMPND 18 PROTEIN 2,TRANSDUCER OF CREB PROTEIN 2; COMPND 19 ENGINEERED: YES SOURCE MOL_ID: 1; SOURCE 2 SYNTHETIC: YES; SOURCE 3 ORGANISM_SCIENTIFIC: SYNTHETIC CONSTRUCT; SOURCE 4 ORGANISM_TAXID: 32630; SOURCE 5 MOL_ID: 2; SOURCE 6 ORGANISM_SCIENTIFIC: HOMO SAPIENS; SOURCE 7 ORGANISM_COMMON: HUMAN; SOURCE 8 ORGANISM_TAXID: 9606; SOURCE 9 GENE: CREB1; SOURCE 10 EXPRESSION_SYSTEM: ESCHERICHIA COLI BL21; SOURCE 11 EXPRESSION_SYSTEM_TAXID: 511693; SOURCE 12 EXPRESSION_SYSTEM_STRAIN: BL21; SOURCE 13 EXPRESSION_SYSTEM_VARIANT: ROSETTA; SOURCE 14 MOL_ID: 3; SOURCE 15 ORGANISM_SCIENTIFIC: MUS MUSCULUS; SOURCE 16 ORGANISM_COMMON: MOUSE; SOURCE 17 ORGANISM_TAXID: 10090; SOURCE 18 GENE: CRTC2, TORC2; SOURCE 19 EXPRESSION_SYSTEM: ESCHERICHIA COLI BL21; SOURCE 20 EXPRESSION_SYSTEM_TAXID: 511693; SOURCE 21 EXPRESSION_SYSTEM_STRAIN: BL21; SOURCE 22 EXPRESSION_SYSTEM_VARIANT: ROSETTA KEYWDS TRANSCRIPTION FACTOR, CO-ACTIVATOR, CREB, CRE, CRTC, TRANSCRIPTION- KEYWDS 2 DNA COMPLEX EXPDTA X-RAY DIFFRACTION AUTHOR S.XIANG,L.ZHAI,J.VALENCIA-SWAIN REVDAT 2 22-NOV-23 5ZK1 1 REMARK REVDAT 1 20-JUN-18 5ZK1 0 JRNL AUTH Y.SONG,L.ZHAI,J.VALENCIA SWAIN,Y.CHEN,P.WANG,L.CHEN,Y.LIU, JRNL AUTH 2 S.XIANG JRNL TITL STRUCTURAL INSIGHTS INTO THE CRTC2-CREB COMPLEX ASSEMBLY ON JRNL TITL 2 CRE. JRNL REF J. MOL. BIOL. V. 430 1926 2018 JRNL REFN ESSN 1089-8638 JRNL PMID 29733854 JRNL DOI 10.1016/J.JMB.2018.04.038 REMARK 2 REMARK 2 RESOLUTION. 3.05 ANGSTROMS. REMARK 3 REMARK 3 REFINEMENT. REMARK 3 PROGRAM : PHENIX 1.11.1-2575_1692 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 : NULL REMARK 3 REMARK 3 DATA USED IN REFINEMENT. REMARK 3 RESOLUTION RANGE HIGH (ANGSTROMS) : 3.05 REMARK 3 RESOLUTION RANGE LOW (ANGSTROMS) : 34.93 REMARK 3 MIN(FOBS/SIGMA_FOBS) : 1.350 REMARK 3 COMPLETENESS FOR RANGE (%) : 92.8 REMARK 3 NUMBER OF REFLECTIONS : 4828 REMARK 3 REMARK 3 FIT TO DATA USED IN REFINEMENT. REMARK 3 R VALUE (WORKING + TEST SET) : 0.232 REMARK 3 R VALUE (WORKING SET) : 0.228 REMARK 3 FREE R VALUE : 0.269 REMARK 3 FREE R VALUE TEST SET SIZE (%) : 9.400 REMARK 3 FREE R VALUE TEST SET COUNT : 464 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 34.9344 - 5.5362 0.98 1390 123 0.1831 0.2171 REMARK 3 2 5.5362 - 4.3970 1.00 1373 153 0.2203 0.2450 REMARK 3 3 4.3970 - 3.8420 0.97 1319 151 0.2220 0.2520 REMARK 3 4 3.8420 - 3.4911 0.94 1322 121 0.2662 0.3048 REMARK 3 5 3.4911 - 3.2410 0.86 1181 131 0.3179 0.4285 REMARK 3 6 3.2410 - 3.0501 0.81 1117 120 0.4058 0.4539 REMARK 3 REMARK 3 BULK SOLVENT MODELLING. REMARK 3 METHOD USED : NULL 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) : 0.510 REMARK 3 PHASE ERROR (DEGREES, MAXIMUM-LIKELIHOOD BASED) : 34.750 REMARK 3 REMARK 3 B VALUES. REMARK 3 FROM WILSON PLOT (A**2) : NULL REMARK 3 MEAN B VALUE (OVERALL, A**2) : 110.5 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: NULL REMARK 3 OPERATOR: NULL REMARK 3 REMARK 3 DEVIATIONS FROM IDEAL VALUES. REMARK 3 RMSD COUNT REMARK 3 BOND : NULL NULL REMARK 3 ANGLE : NULL NULL REMARK 3 CHIRALITY : NULL NULL REMARK 3 PLANARITY : NULL NULL REMARK 3 DIHEDRAL : NULL NULL REMARK 3 REMARK 3 TLS DETAILS REMARK 3 NUMBER OF TLS GROUPS : 3 REMARK 3 TLS GROUP : 1 REMARK 3 SELECTION: CHAIN 'B' AND (RESID -10 THROUGH 10 ) REMARK 3 ORIGIN FOR THE GROUP (A): 0.1877 48.4811 10.4315 REMARK 3 T TENSOR REMARK 3 T11: 1.3140 T22: 0.8638 REMARK 3 T33: 1.5785 T12: 0.1599 REMARK 3 T13: -1.0053 T23: -0.1101 REMARK 3 L TENSOR REMARK 3 L11: 2.5310 L22: 0.8401 REMARK 3 L33: 3.4866 L12: 0.2483 REMARK 3 L13: 0.9047 L23: -0.1874 REMARK 3 S TENSOR REMARK 3 S11: -0.1644 S12: -0.1797 S13: -0.0333 REMARK 3 S21: -0.1863 S22: 0.1637 S23: 0.0970 REMARK 3 S31: -0.3636 S32: -0.4341 S33: 0.1721 REMARK 3 TLS GROUP : 2 REMARK 3 SELECTION: CHAIN 'A' AND ((RESID 285 THROUGH 337) OR (RESID REMARK 3 1000 THROUGH 1000 )) REMARK 3 ORIGIN FOR THE GROUP (A): 4.6543 29.0782 7.5136 REMARK 3 T TENSOR REMARK 3 T11: 0.6815 T22: 0.4616 REMARK 3 T33: 0.7709 T12: -0.0570 REMARK 3 T13: -0.3481 T23: 0.0927 REMARK 3 L TENSOR REMARK 3 L11: 2.9879 L22: 3.7963 REMARK 3 L33: 2.2269 L12: 2.9809 REMARK 3 L13: -0.4683 L23: 0.3132 REMARK 3 S TENSOR REMARK 3 S11: -0.5758 S12: 0.1941 S13: 0.5855 REMARK 3 S21: -0.3585 S22: 0.2739 S23: -0.2533 REMARK 3 S31: 0.3400 S32: 0.1954 S33: 0.1420 REMARK 3 TLS GROUP : 3 REMARK 3 SELECTION: CHAIN 'C' AND (RESID 18 THROUGH 56 ) REMARK 3 ORIGIN FOR THE GROUP (A): 9.3550 13.9006 9.0498 REMARK 3 T TENSOR REMARK 3 T11: 0.8086 T22: 0.4687 REMARK 3 T33: 0.6824 T12: 0.0468 REMARK 3 T13: -0.1332 T23: -0.0833 REMARK 3 L TENSOR REMARK 3 L11: 3.1034 L22: 3.8864 REMARK 3 L33: 3.4646 L12: 2.7928 REMARK 3 L13: 1.2774 L23: 2.9531 REMARK 3 S TENSOR REMARK 3 S11: -0.2826 S12: -0.3529 S13: 0.0336 REMARK 3 S21: -0.0946 S22: 0.2447 S23: -0.7993 REMARK 3 S31: 0.5619 S32: -0.0736 S33: 0.0344 REMARK 3 REMARK 3 NCS DETAILS REMARK 3 NUMBER OF NCS GROUPS : NULL REMARK 3 REMARK 3 OTHER REFINEMENT REMARKS: THE ENTRY CONTAINS FRIEDEL PAIRS IN REMARK 3 F_PLUS/MINUS COLUMNS AND I_PLUS/MINUS COLUMNS REMARK 4 REMARK 4 5ZK1 COMPLIES WITH FORMAT V. 3.30, 13-JUL-11 REMARK 100 REMARK 100 THIS ENTRY HAS BEEN PROCESSED BY PDBJ ON 28-MAR-18. REMARK 100 THE DEPOSITION ID IS D_1300007181. REMARK 200 REMARK 200 EXPERIMENTAL DETAILS REMARK 200 EXPERIMENT TYPE : X-RAY DIFFRACTION REMARK 200 DATE OF DATA COLLECTION : 18-MAR-18 REMARK 200 TEMPERATURE (KELVIN) : 100 REMARK 200 PH : 7.5 REMARK 200 NUMBER OF CRYSTALS USED : 1 REMARK 200 REMARK 200 SYNCHROTRON (Y/N) : Y REMARK 200 RADIATION SOURCE : SSRF REMARK 200 BEAMLINE : BL17U1 REMARK 200 X-RAY GENERATOR MODEL : NULL REMARK 200 MONOCHROMATIC OR LAUE (M/L) : M REMARK 200 WAVELENGTH OR RANGE (A) : 0.97918 REMARK 200 MONOCHROMATOR : NULL REMARK 200 OPTICS : NULL REMARK 200 REMARK 200 DETECTOR TYPE : PIXEL REMARK 200 DETECTOR MANUFACTURER : DECTRIS EIGER X 16M REMARK 200 INTENSITY-INTEGRATION SOFTWARE : HKL-2000 REMARK 200 DATA SCALING SOFTWARE : SCALEPACK REMARK 200 REMARK 200 NUMBER OF UNIQUE REFLECTIONS : 5064 REMARK 200 RESOLUTION RANGE HIGH (A) : 3.050 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 (%) : 96.6 REMARK 200 DATA REDUNDANCY : 6.900 REMARK 200 R MERGE (I) : 0.13700 REMARK 200 R SYM (I) : NULL REMARK 200 <I/SIGMA(I)> FOR THE DATA SET : 9.9000 REMARK 200 REMARK 200 IN THE HIGHEST RESOLUTION SHELL. REMARK 200 HIGHEST RESOLUTION SHELL, RANGE HIGH (A) : 3.05 REMARK 200 HIGHEST RESOLUTION SHELL, RANGE LOW (A) : 3.10 REMARK 200 COMPLETENESS FOR SHELL (%) : 89.1 REMARK 200 DATA REDUNDANCY IN SHELL : 5.00 REMARK 200 R MERGE FOR SHELL (I) : 1.51300 REMARK 200 R SYM FOR SHELL (I) : NULL REMARK 200 <I/SIGMA(I)> 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 2.8.2 REMARK 200 STARTING MODEL: 1DH3 REMARK 200 REMARK 200 REMARK: THE ENTRY CONTAINS FRIEDEL PAIRS IN F_PLUS/MINUS COLUMNS REMARK 200 AND I_PLUS/MINUS COLUMNS REMARK 280 REMARK 280 CRYSTAL REMARK 280 SOLVENT CONTENT, VS (%): 65.79 REMARK 280 MATTHEWS COEFFICIENT, VM (ANGSTROMS**3/DA): 3.60 REMARK 280 REMARK 280 CRYSTALLIZATION CONDITIONS: 25% W/V POLYETHYLENE GLYCOL 3,350, 0.1 REMARK 280 M HEPES (PH 7.5), 0.2 M LITHIUM SULFATE, 0.3 M SODIUM CHLORIDE, REMARK 280 VAPOR DIFFUSION, SITTING DROP, TEMPERATURE 295K REMARK 290 REMARK 290 CRYSTALLOGRAPHIC SYMMETRY REMARK 290 SYMMETRY OPERATORS FOR SPACE GROUP: C 2 2 21 REMARK 290 REMARK 290 SYMOP SYMMETRY REMARK 290 NNNMMM OPERATOR REMARK 290 1555 X,Y,Z REMARK 290 2555 -X,-Y,Z+1/2 REMARK 290 3555 -X,Y,-Z+1/2 REMARK 290 4555 X,-Y,-Z REMARK 290 5555 X+1/2,Y+1/2,Z REMARK 290 6555 -X+1/2,-Y+1/2,Z+1/2 REMARK 290 7555 -X+1/2,Y+1/2,-Z+1/2 REMARK 290 8555 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 0.00000 REMARK 290 SMTRY2 2 0.000000 -1.000000 0.000000 0.00000 REMARK 290 SMTRY3 2 0.000000 0.000000 1.000000 20.27400 REMARK 290 SMTRY1 3 -1.000000 0.000000 0.000000 0.00000 REMARK 290 SMTRY2 3 0.000000 1.000000 0.000000 0.00000 REMARK 290 SMTRY3 3 0.000000 0.000000 -1.000000 20.27400 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 1.000000 0.000000 0.000000 25.13550 REMARK 290 SMTRY2 5 0.000000 1.000000 0.000000 121.43900 REMARK 290 SMTRY3 5 0.000000 0.000000 1.000000 0.00000 REMARK 290 SMTRY1 6 -1.000000 0.000000 0.000000 25.13550 REMARK 290 SMTRY2 6 0.000000 -1.000000 0.000000 121.43900 REMARK 290 SMTRY3 6 0.000000 0.000000 1.000000 20.27400 REMARK 290 SMTRY1 7 -1.000000 0.000000 0.000000 25.13550 REMARK 290 SMTRY2 7 0.000000 1.000000 0.000000 121.43900 REMARK 290 SMTRY3 7 0.000000 0.000000 -1.000000 20.27400 REMARK 290 SMTRY1 8 1.000000 0.000000 0.000000 25.13550 REMARK 290 SMTRY2 8 0.000000 -1.000000 0.000000 121.43900 REMARK 290 SMTRY3 8 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: HEXAMERIC REMARK 350 SOFTWARE DETERMINED QUATERNARY STRUCTURE: HEXAMERIC REMARK 350 SOFTWARE USED: PISA REMARK 350 TOTAL BURIED SURFACE AREA: 11240 ANGSTROM**2 REMARK 350 SURFACE AREA OF THE COMPLEX: 17650 ANGSTROM**2 REMARK 350 CHANGE IN SOLVENT FREE ENERGY: -88.0 KCAL/MOL REMARK 350 APPLY THE FOLLOWING TO CHAINS: B, 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 350 BIOMT1 2 -1.000000 0.000000 0.000000 0.00000 REMARK 350 BIOMT2 2 0.000000 1.000000 0.000000 0.00000 REMARK 350 BIOMT3 2 0.000000 0.000000 -1.000000 20.27400 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 ZN ZN A1000 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 ALA A 283 REMARK 465 ARG A 284 REMARK 465 HIS A 338 REMARK 465 LYS A 339 REMARK 465 SER A 340 REMARK 465 ASP A 341 REMARK 465 SER C 17 REMARK 465 LEU C 57 REMARK 465 ARG C 58 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 C 46 51.77 -116.93 REMARK 500 REMARK 500 REMARK: NULL DBREF 5ZK1 B -10 10 PDB 5ZK1 5ZK1 -10 10 DBREF 5ZK1 A 283 341 UNP P16220 CREB1_HUMAN 283 341 DBREF 5ZK1 C 17 58 UNP Q3U182 CRTC2_MOUSE 17 58 SEQADV 5ZK1 SER A 300 UNP P16220 CYS 300 ENGINEERED MUTATION SEQADV 5ZK1 SER A 337 UNP P16220 CYS 337 ENGINEERED MUTATION SEQRES 1 B 20 DC DT DT DG DG DC DT DG DA DC DG DT DC SEQRES 2 B 20 DA DG DC DC DA DA DG SEQRES 1 A 59 ALA ARG LYS ARG GLU VAL ARG LEU MET LYS ASN ARG GLU SEQRES 2 A 59 ALA ALA ARG GLU SER ARG ARG LYS LYS LYS GLU TYR VAL SEQRES 3 A 59 LYS CYS LEU GLU ASN ARG VAL ALA VAL LEU GLU ASN GLN SEQRES 4 A 59 ASN LYS THR LEU ILE GLU GLU LEU LYS ALA LEU LYS ASP SEQRES 5 A 59 LEU TYR SER HIS LYS SER ASP SEQRES 1 C 42 SER ASN PRO ARG LYS PHE SER GLU LYS ILE ALA LEU GLN SEQRES 2 C 42 LYS GLN ARG GLN ALA GLU GLU THR ALA ALA PHE GLU GLU SEQRES 3 C 42 VAL MSE MSE ASP ILE GLY SER THR ARG LEU GLN ALA GLN SEQRES 4 C 42 LYS LEU ARG MODRES 5ZK1 MSE C 44 MET MODIFIED RESIDUE MODRES 5ZK1 MSE C 45 MET MODIFIED RESIDUE HET MSE C 44 8 HET MSE C 45 8 HET ZN A1000 1 HETNAM MSE SELENOMETHIONINE HETNAM ZN ZINC ION FORMUL 3 MSE 2(C5 H11 N O2 SE) FORMUL 4 ZN ZN 2+ HELIX 1 AA1 LYS A 285 SER A 337 1 53 HELIX 2 AA2 LYS C 21 MSE C 45 1 25 HELIX 3 AA3 ILE C 47 LYS C 56 1 10 LINK C VAL C 43 N MSE C 44 1555 1555 1.33 LINK C MSE C 44 N MSE C 45 1555 1555 1.33 LINK C MSE C 45 N ASP C 46 1555 1555 1.34 CRYST1 50.271 242.878 40.548 90.00 90.00 90.00 C 2 2 21 8 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 0.019892 0.000000 0.000000 0.00000 SCALE2 0.000000 0.004117 0.000000 0.00000 SCALE3 0.000000 0.000000 0.024662 0.00000