HEADER TRANSFERASE 26-FEB-98 1A6O OBSLTE 29-MAY-02 1A6O 1LR4 TITLE PROTEIN KINASE CK2 (CATALYTIC SUBUNIT) FROM ZEA MAYS COMPND MOL_ID: 1; COMPND 2 MOLECULE: PROTEIN KINASE CK2/ALPHA-SUBUNIT; COMPND 3 CHAIN: A; COMPND 4 EC: 2.7.1.37; COMPND 5 ENGINEERED: YES SOURCE MOL_ID: 1; SOURCE 2 ORGANISM_SCIENTIFIC: ZEA MAYS; SOURCE 3 ORGANISM_COMMON: MAIZE; SOURCE 4 CELL_LINE: BL21; SOURCE 5 EXPRESSION_SYSTEM: ESCHERICHIA COLI; SOURCE 6 EXPRESSION_SYSTEM_STRAIN: BL21 (DE3); SOURCE 7 EXPRESSION_SYSTEM_PLASMID: PT7-7 KEYWDS TRANSFERASE, SERINE/THREONINE-PROTEIN KINASE, CASEIN KINASE, KEYWDS 2 SER/THR KINASE EXPDTA X-RAY DIFFRACTION AUTHOR K.NIEFIND,B.GUERRA,L.A.PINNA,O.-G.ISSINGER,D.SCHOMBURG REVDAT 1 17-JUN-98 1A6O 0 JRNL AUTH K.NIEFIND,B.GUERRA,L.A.PINNA,O.G.ISSINGER, JRNL AUTH 2 D.SCHOMBURG JRNL TITL CRYSTAL STRUCTURE OF THE CATALYTIC SUBUNIT OF JRNL TITL 2 PROTEIN KINASE CK2 FROM ZEA MAYS AT 2.1 A JRNL TITL 3 RESOLUTION JRNL REF EMBO J. V. 17 2451 1998 JRNL REFN ASTM EMJODG UK ISSN 0261-4189 REMARK 1 REMARK 1 REFERENCE 1 REMARK 1 AUTH B.GUERRA,K.NIEFIND,L.A.PINNA,D.SCHOMBURG, REMARK 1 AUTH 2 O.-G.ISSINGER REMARK 1 TITL EXPRESSION, PURIFICATION AND CRYSTALLIZATION OF REMARK 1 TITL 2 THE CATALYTIC SUBUNIT OF PROTEIN KINASE CK2 FROM REMARK 1 TITL 3 ZEA MAYS REMARK 1 REF ACTA CRYSTALLOGR.,SECT.D V. 54 143 1998 REMARK 1 REFN ASTM ABCRE6 DK ISSN 0907-4449 REMARK 1 REFERENCE 2 REMARK 1 AUTH B.BOLDYREFF,F.MEGGIO,G.DOBROWOLSKA,L.A.PINNA, REMARK 1 AUTH 2 O.G.ISSINGER REMARK 1 TITL EXPRESSION AND CHARACTERIZATION OF A RECOMBINANT REMARK 1 TITL 2 MAIZE CK-2 ALPHA SUBUNIT REMARK 1 REF BIOCHIM.BIOPHYS.ACTA V.1173 32 1993 REMARK 1 REFN ASTM BBACAQ NE ISSN 0006-3002 REMARK 1 REFERENCE 3 REMARK 1 AUTH G.DOBROWOLSKA,B.BOLDYREFF,O.G.ISSINGER REMARK 1 TITL CLONING AND SEQUENCING OF THE CASEIN KINASE 2 REMARK 1 TITL 2 ALPHA SUBUNIT FROM ZEA MAYS REMARK 1 REF BIOCHIM.BIOPHYS.ACTA V.1129 139 1991 REMARK 1 REFN ASTM BBACAQ NE ISSN 0006-3002 REMARK 2 REMARK 2 RESOLUTION. 2.10 ANGSTROMS. REMARK 3 REMARK 3 REFINEMENT. REMARK 3 PROGRAM : REFMAC, X-PLOR 3.1 REMARK 3 AUTHORS : MURSHUDOV,VAGIN,DODSON REMARK 3 REMARK 3 DATA USED IN REFINEMENT. REMARK 3 RESOLUTION RANGE HIGH (ANGSTROMS) : 2.10 REMARK 3 RESOLUTION RANGE LOW (ANGSTROMS) : 26.10 REMARK 3 DATA CUTOFF (SIGMA(F)) : 0.000 REMARK 3 COMPLETENESS FOR RANGE (%) : 95.4 REMARK 3 NUMBER OF REFLECTIONS : 21365 REMARK 3 REMARK 3 FIT TO DATA USED IN REFINEMENT. REMARK 3 CROSS-VALIDATION METHOD : NULL REMARK 3 FREE R VALUE TEST SET SELECTION : X-PLOR 3.1 REMARK 3 R VALUE (WORKING + TEST SET) : 0.000 REMARK 3 R VALUE (WORKING SET) : 0.205 REMARK 3 FREE R VALUE : 0.000 REMARK 3 FREE R VALUE TEST SET SIZE (%) : 5.100 REMARK 3 FREE R VALUE TEST SET COUNT : 1097 REMARK 3 REMARK 3 NUMBER OF NON-HYDROGEN ATOMS USED IN REFINEMENT. REMARK 3 PROTEIN ATOMS : 2738 REMARK 3 NUCLEIC ACID ATOMS : 0 REMARK 3 HETEROGEN ATOMS : 32 REMARK 3 SOLVENT ATOMS : 148 REMARK 3 REMARK 3 B VALUES. REMARK 3 FROM WILSON PLOT (A**2) : NULL REMARK 3 MEAN B VALUE (OVERALL, A**2) : 31.20 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 ESTIMATED OVERALL COORDINATE ERROR. REMARK 3 ESU BASED ON R VALUE (A): NULL REMARK 3 ESU BASED ON FREE R VALUE (A): NULL REMARK 3 ESU BASED ON MAXIMUM LIKELIHOOD (A): NULL REMARK 3 ESU FOR B VALUES BASED ON MAXIMUM LIKELIHOOD (A**2): NULL REMARK 3 REMARK 3 RMS DEVIATIONS FROM IDEAL VALUES. REMARK 3 DISTANCE RESTRAINTS. RMS SIGMA REMARK 3 BOND LENGTH (A) : 0.027 ; 0.020 REMARK 3 ANGLE DISTANCE (A) : 0.040 ; 0.030 REMARK 3 INTRAPLANAR 1-4 DISTANCE (A) : 0.054 ; 0.050 REMARK 3 H-BOND OR METAL COORDINATION (A) : 0.172 ; 0.050 REMARK 3 REMARK 3 PLANE RESTRAINT (A) : NULL ; NULL REMARK 3 CHIRAL-CENTER RESTRAINT (A**3) : 0.250 ; 0.080 REMARK 3 REMARK 3 NON-BONDED CONTACT RESTRAINTS. REMARK 3 SINGLE TORSION (A) : 0.211 ; 0.300 REMARK 3 MULTIPLE TORSION (A) : 0.296 ; 0.300 REMARK 3 H-BOND (X...Y) (A) : 0.248 ; 0.300 REMARK 3 H-BOND (X-H...Y) (A) : NULL ; NULL REMARK 3 REMARK 3 CONFORMATIONAL TORSION ANGLE RESTRAINTS. REMARK 3 SPECIFIED (DEGREES) : NULL ; NULL REMARK 3 PLANAR (DEGREES) : 3.500 ; 3.000 REMARK 3 STAGGERED (DEGREES) : 21.100; 15.000 REMARK 3 TRANSVERSE (DEGREES) : 29.700; 20.000 REMARK 3 REMARK 3 ISOTROPIC THERMAL FACTOR RESTRAINTS. RMS SIGMA REMARK 3 MAIN-CHAIN BOND (A**2) : 3.335 ; 1.500 REMARK 3 MAIN-CHAIN ANGLE (A**2) : 3.445 ; 1.000 REMARK 3 SIDE-CHAIN BOND (A**2) : 5.252 ; 1.500 REMARK 3 SIDE-CHAIN ANGLE (A**2) : 7.207 ; 3.000 REMARK 3 REMARK 3 OTHER REFINEMENT REMARKS: NULL REMARK 4 REMARK 4 1A6O COMPLIES WITH FORMAT V. 2.3, 09-JULY-1998 REMARK 6 REMARK 6 THE C-TERMINUS IS FLEXIBLE: AFTER SER 333 FOUR MORE REMARK 6 RESIDUES ARE IN THE SEQUENCE WHICH ARE NOT DEFINED BY REMARK 6 ELECTRON DENSITY. REMARK 7 REMARK 7 AT THE N-TERMINUS MET 6 WAS NOT FOUND IN THE ELECTRON REMARK 7 DENSITY, PROBABLY BECAUSE OF POST-TRANSLATIONAL CLEAVAGE. REMARK 200 REMARK 200 EXPERIMENTAL DETAILS REMARK 200 EXPERIMENT TYPE : X-RAY DIFFRACTION REMARK 200 DATE OF DATA COLLECTION : OCT-1996 REMARK 200 TEMPERATURE (KELVIN) : 277.0 REMARK 200 PH : NULL REMARK 200 NUMBER OF CRYSTALS USED : 6 REMARK 200 REMARK 200 SYNCHROTRON (Y/N) : Y REMARK 200 RADIATION SOURCE : DESY REMARK 200 BEAMLINE : BW61 REMARK 200 X-RAY GENERATOR MODEL : NULL REMARK 200 MONOCHROMATIC OR LAUE (M/L) : M REMARK 200 WAVELENGTH OR RANGE (A) : 1.1 REMARK 200 MONOCHROMATOR : NULL REMARK 200 OPTICS : MIRRORS REMARK 200 REMARK 200 DETECTOR TYPE : IMAGE PLATE AREA DETECTOR REMARK 200 DETECTOR MANUFACTURER : MAR RESEARCH REMARK 200 INTENSITY-INTEGRATION SOFTWARE : MOSFLM REMARK 200 DATA SCALING SOFTWARE : SCALA REMARK 200 REMARK 200 NUMBER OF UNIQUE REFLECTIONS : 21365 REMARK 200 RESOLUTION RANGE HIGH (A) : 2.100 REMARK 200 RESOLUTION RANGE LOW (A) : 26.100 REMARK 200 REJECTION CRITERIA (SIGMA(I)) : 0.000 REMARK 200 REMARK 200 OVERALL. REMARK 200 COMPLETENESS FOR RANGE (%) : 95.4 REMARK 200 DATA REDUNDANCY : 2.900 REMARK 200 R MERGE (I) : NULL REMARK 200 R SYM (I) : 0.10600 REMARK 200 FOR THE DATA SET : 8.1000 REMARK 200 REMARK 200 IN THE HIGHEST RESOLUTION SHELL. REMARK 200 HIGHEST RESOLUTION SHELL, RANGE HIGH (A) : 2.10 REMARK 200 HIGHEST RESOLUTION SHELL, RANGE LOW (A) : 2.20 REMARK 200 COMPLETENESS FOR SHELL (%) : 88.7 REMARK 200 DATA REDUNDANCY IN SHELL : 1.90 REMARK 200 R MERGE FOR SHELL (I) : NULL REMARK 200 R SYM FOR SHELL (I) : 0.09600 REMARK 200 FOR SHELL : 5.500 REMARK 200 REMARK 200 DIFFRACTION PROTOCOL: NULL REMARK 200 METHOD USED TO DETERMINE THE STRUCTURE: MOLECULAR REPLACEMENT REMARK 200 SOFTWARE USED: X-PLOR 3.1 REMARK 200 STARTING MODEL: BACKBONE OF CYCLIN-DEPENDENT KINASE 2 (PDB REMARK 200 ENTRY 1HCL) REMARK 200 REMARK 200 REMARK: NULL REMARK 280 REMARK 280 CRYSTAL REMARK 280 SOLVENT CONTENT, VS (%): 50.00 REMARK 280 MATTHEWS COEFFICIENT, VM (ANGSTROMS**3/DA): 2.47 REMARK 280 REMARK 280 CRYSTALLIZATION CONDITIONS: NULL REMARK 290 REMARK 290 CRYSTALLOGRAPHIC SYMMETRY REMARK 290 SYMMETRY OPERATORS FOR SPACE GROUP: C 1 2 1 REMARK 290 REMARK 290 SYMOP SYMMETRY REMARK 290 NNNMMM OPERATOR REMARK 290 1555 X,Y,Z REMARK 290 2555 -X,Y,-Z REMARK 290 3555 1/2+X,1/2+Y,Z REMARK 290 4555 1/2-X,1/2+Y,-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 0.00000 REMARK 290 SMTRY1 3 1.000000 0.000000 0.000000 71.27500 REMARK 290 SMTRY2 3 0.000000 1.000000 0.000000 30.72000 REMARK 290 SMTRY3 3 0.000000 0.000000 1.000000 0.00000 REMARK 290 SMTRY1 4 -1.000000 0.000000 0.000000 71.27500 REMARK 290 SMTRY2 4 0.000000 1.000000 0.000000 30.72000 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 THIS ENTRY CONTAINS THE CRYSTALLOGRAPHIC ASYMMETRIC UNIT REMARK 300 WHICH CONSISTS OF 1 CHAIN(S). SEE REMARK 350 FOR REMARK 300 INFORMATION ON GENERATING THE BIOLOGICAL MOLECULE(S). REMARK 350 REMARK 350 GENERATING THE BIOMOLECULE 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 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 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 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 497 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 MET A 6 REMARK 465 ARG A 334 REMARK 465 THR A 335 REMARK 465 ARG A 336 REMARK 465 ALA A 337 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 REMARK 500 OH TYR A 257 O HOH 461 1.85 REMARK 500 OD2 ASP A 103 OG SER A 106 2.00 REMARK 500 O2A ATP 340 O HOH 389 2.04 REMARK 500 O GLN A 290 O HOH 457 2.10 REMARK 500 OH TYR A 39 OD2 ASP A 99 2.14 REMARK 500 O VAL A 162 O HOH 396 2.16 REMARK 500 REMARK 500 GEOMETRY AND STEREOCHEMISTRY REMARK 500 SUBTOPIC: CLOSE CONTACTS REMARK 500 REMARK 500 THE FOLLOWING ATOMS THAT ARE RELATED BY CRYSTALLOGRAPHIC REMARK 500 SYMMETRY ARE IN CLOSE CONTACT. AN ATOM LOCATED WITHIN 0.15 REMARK 500 ANGSTROMS OF A SYMMETRY RELATED ATOM IS ASSUMED TO BE ON A REMARK 500 SPECIAL POSITION AND IS, THEREFORE, LISTED IN REMARK 375 REMARK 500 INSTEAD OF REMARK 500. ATOMS WITH NON-BLANK ALTERNATE REMARK 500 LOCATION INDICATORS ARE NOT INCLUDED IN THE CALCULATIONS. REMARK 500 REMARK 500 DISTANCE CUTOFF: REMARK 500 2.2 ANGSTROMS FOR CONTACTS NOT INVOLVING HYDROGEN ATOMS REMARK 500 1.6 ANGSTROMS FOR CONTACTS INVOLVING HYDROGEN ATOMS REMARK 500 REMARK 500 ATM1 RES C SSEQI ATM2 RES C SSEQI SSYMOP DISTANCE REMARK 500 O HOH 400 O HOH 435 2555 2.14 REMARK 500 REMARK 500 GEOMETRY AND STEREOCHEMISTRY REMARK 500 SUBTOPIC: COVALENT BOND ANGLES REMARK 500 REMARK 500 THE STEREOCHEMICAL PARAMETERS OF THE FOLLOWING RESIDUES REMARK 500 HAVE VALUES WHICH DEVIATE FROM EXPECTED VALUES BY MORE REMARK 500 THAN 6*RMSD (M=MODEL NUMBER; RES=RESIDUE NAME; C=CHAIN REMARK 500 IDENTIFIER; SSEQ=SEQUENCE NUMBER; I=INSERTION CODE). REMARK 500 REMARK 500 STANDARD TABLE: REMARK 500 FORMAT: (10X,I3,1X,A3,1X,A1,I4,A1,3(1X,A4,2X),12X,F5.1) REMARK 500 REMARK 500 EXPECTED VALUES: ENGH AND HUBER, 1991 REMARK 500 REMARK 500 M RES CSSEQI ATM1 ATM2 ATM3 REMARK 500 ASP A 145 OD1 - CG - OD2 ANGL. DEV. = 29.3 DEGREES 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 M RES CSSEQI PSI PHI REMARK 500 ALA A 193 169.02 65.12 REMARK 525 REMARK 525 SOLVENT REMARK 525 THE FOLLOWING SOLVENT MOLECULES LIE FARTHER THAN EXPECTED REMARK 525 FROM THE PROTEIN OR NUCLEIC ACID MOLECULE AND MAY BE REMARK 525 ASSOCIATED WITH A SYMMETRY RELATED MOLECULE (M=MODEL REMARK 525 NUMBER; RES=RESIDUE NAME; C=CHAIN IDENTIFIER; SSEQ=SEQUENCE REMARK 525 NUMBER; I=INSERTION CODE): REMARK 525 REMARK 525 M RES CSSEQI REMARK 525 HOH 495 DISTANCE = 5.17 ANGSTROMS REMARK 999 REMARK 999 SEQUENCE REMARK 999 1A6O SWS P28523 1 - 1 NOT IN ATOMS LIST REMARK 999 1A6O SWS P28523 329 - 332 NOT IN ATOMS LIST DBREF 1A6O A 6 337 UNP P28523 KC2A_MAIZE 1 332 SEQRES 1 A 332 MET SER LYS ALA ARG VAL TYR ALA ASP VAL ASN VAL LEU SEQRES 2 A 332 ARG PRO LYS GLU TYR TRP ASP TYR GLU ALA LEU THR VAL SEQRES 3 A 332 GLN TRP GLY GLU GLN ASP ASP TYR GLU VAL VAL ARG LYS SEQRES 4 A 332 VAL GLY ARG GLY LYS TYR SER GLU VAL PHE GLU GLY ILE SEQRES 5 A 332 ASN VAL ASN ASN ASN GLU LYS CYS ILE ILE LYS ILE LEU SEQRES 6 A 332 LYS PRO VAL LYS LYS LYS LYS ILE LYS ARG GLU ILE LYS SEQRES 7 A 332 ILE LEU GLN ASN LEU CYS GLY GLY PRO ASN ILE VAL LYS SEQRES 8 A 332 LEU LEU ASP ILE VAL ARG ASP GLN HIS SER LYS THR PRO SEQRES 9 A 332 SER LEU ILE PHE GLU TYR VAL ASN ASN THR ASP PHE LYS SEQRES 10 A 332 VAL LEU TYR PRO THR LEU THR ASP TYR ASP ILE ARG TYR SEQRES 11 A 332 TYR ILE TYR GLU LEU LEU LYS ALA LEU ASP TYR CYS HIS SEQRES 12 A 332 SER GLN GLY ILE MET HIS ARG ASP VAL LYS PRO HIS ASN SEQRES 13 A 332 VAL MET ILE ASP HIS GLU LEU ARG LYS LEU ARG LEU ILE SEQRES 14 A 332 ASP TRP GLY LEU ALA GLU PHE TYR HIS PRO GLY LYS GLU SEQRES 15 A 332 TYR ASN VAL ARG VAL ALA SER ARG TYR PHE LYS GLY PRO SEQRES 16 A 332 GLU LEU LEU VAL ASP LEU GLN ASP TYR ASP TYR SER LEU SEQRES 17 A 332 ASP MET TRP SER LEU GLY CYS MET PHE ALA GLY MET ILE SEQRES 18 A 332 PHE ARG LYS GLU PRO PHE PHE TYR GLY HIS ASP ASN HIS SEQRES 19 A 332 ASP GLN LEU VAL LYS ILE ALA LYS VAL LEU GLY THR ASP SEQRES 20 A 332 GLY LEU ASN VAL TYR LEU ASN LYS TYR ARG ILE GLU LEU SEQRES 21 A 332 ASP PRO GLN LEU GLU ALA LEU VAL GLY ARG HIS SER ARG SEQRES 22 A 332 LYS PRO TRP LEU LYS PHE MET ASN ALA ASP ASN GLN HIS SEQRES 23 A 332 LEU VAL SER PRO GLU ALA ILE ASP PHE LEU ASP LYS LEU SEQRES 24 A 332 LEU ARG TYR ASP HIS GLN GLU ARG LEU THR ALA LEU GLU SEQRES 25 A 332 ALA MET THR HIS PRO TYR PHE GLN GLN VAL ARG ALA ALA SEQRES 26 A 332 GLU ASN SER ARG THR ARG ALA HET MG 341 1 HET ATP 340 31 HETNAM MG MAGNESIUM ION HETNAM ATP ADENOSINE-5'-TRIPHOSPHATE FORMUL 2 MG MG 2+ FORMUL 3 ATP C10 H16 N5 O13 P3 FORMUL 4 HOH *148(H2 O1) HELIX 1 1 VAL A 15 LEU A 18 1 4 HELIX 2 2 LYS A 21 TRP A 24 1 4 HELIX 3 3 TYR A 26 ALA A 28 5 3 HELIX 4 4 GLN A 36 ASP A 38 5 3 HELIX 5 5 LYS A 75 LEU A 88 1 14 HELIX 6 6 PHE A 121 THR A 127 1 7 HELIX 7 7 ASP A 130 GLN A 150 1 21 HELIX 8 8 PRO A 159 ASN A 161 5 3 HELIX 9 9 TRP A 176 LEU A 178 5 3 HELIX 10 10 ARG A 195 PHE A 197 5 3 HELIX 11 11 PRO A 200 LEU A 203 1 4 HELIX 12 12 TYR A 211 PHE A 227 5 17 HELIX 13 13 ASN A 238 LEU A 249 1 12 HELIX 14 14 ASP A 252 TYR A 261 1 10 HELIX 15 15 PRO A 267 VAL A 273 1 7 HELIX 16 16 TRP A 281 PHE A 284 5 4 HELIX 17 17 GLN A 290 LEU A 292 5 3 HELIX 18 18 PRO A 295 LEU A 304 1 10 HELIX 19 19 HIS A 309 GLU A 311 5 3 HELIX 20 20 ALA A 315 THR A 320 1 6 HELIX 21 21 PRO A 322 GLU A 331 5 10 SHEET 1 A 5 LEU A 97 ARG A 102 0 SHEET 2 A 5 PRO A 109 PHE A 113 -1 N ILE A 112 O LEU A 98 SHEET 3 A 5 GLU A 63 LEU A 70 -1 N LYS A 68 O LEU A 111 SHEET 4 A 5 SER A 51 ASN A 58 -1 N ASN A 58 O GLU A 63 SHEET 5 A 5 TYR A 39 LYS A 44 -1 N ARG A 43 O GLU A 55 SHEET 1 B 2 VAL A 162 ASP A 165 0 SHEET 2 B 2 LYS A 170 LEU A 173 -1 N ARG A 172 O MET A 163 CISPEP 1 GLU A 230 PRO A 231 0 -3.14 CRYST1 142.550 61.440 45.410 90.00 103.06 90.00 C 1 2 1 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 0.007015 0.000000 0.001627 0.00000 SCALE2 0.000000 0.016276 0.000000 0.00000 SCALE3 0.000000 0.000000 0.022606 0.00000