HEADER TRANSFERASE/INHIBITOR 23-MAR-15 4YXS TITLE CAMP-DEPENDENT PROTEIN KINASE PKA CATALYTIC SUBUNIT WITH PKI-5-24 COMPND MOL_ID: 1; COMPND 2 MOLECULE: CAMP-DEPENDENT PROTEIN KINASE CATALYTIC SUBUNIT ALPHA; COMPND 3 CHAIN: A; COMPND 4 SYNONYM: PKA C-ALPHA; COMPND 5 EC: 2.7.11.11; COMPND 6 ENGINEERED: YES; COMPND 7 MOL_ID: 2; COMPND 8 MOLECULE: CAMP-DEPENDENT PROTEIN KINASE INHIBITOR ALPHA; COMPND 9 CHAIN: I; COMPND 10 FRAGMENT: UNP RESIDUES 6-25; COMPND 11 SYNONYM: PKI-ALPHA,CAMP-DEPENDENT PROTEIN KINASE INHIBITOR, COMPND 12 MUSCLE/BRAIN ISOFORM; COMPND 13 ENGINEERED: YES SOURCE MOL_ID: 1; SOURCE 2 ORGANISM_SCIENTIFIC: BOS TAURUS; SOURCE 3 ORGANISM_COMMON: BOVINE; SOURCE 4 ORGANISM_TAXID: 9913; SOURCE 5 GENE: PRKACA; SOURCE 6 EXPRESSION_SYSTEM: ESCHERICHIA COLI; SOURCE 7 EXPRESSION_SYSTEM_TAXID: 562; SOURCE 8 MOL_ID: 2; SOURCE 9 SYNTHETIC: YES; SOURCE 10 ORGANISM_SCIENTIFIC: ORYCTOLAGUS CUNICULUS; SOURCE 11 ORGANISM_COMMON: RABBIT; SOURCE 12 ORGANISM_TAXID: 9986 KEYWDS ATP-BINDING, PHOSPHOPROTEIN, SERINE/THREONINE-PROTEIN KINASE, KEYWDS 2 TRANSFERASE, CAMP, PROTEIN KINASE INHIBITOR, TRANSFERASE-IN COMPLEX, KEYWDS 3 TRANSFERASE-INHIBITOR COMPLEX EXPDTA X-RAY DIFFRACTION AUTHOR A.SCHIFFER,K.U.WENDT REVDAT 3 06-NOV-24 4YXS 1 REMARK REVDAT 2 03-JUN-15 4YXS 1 JRNL REVDAT 1 20-MAY-15 4YXS 0 JRNL AUTH J.PILGER,A.MAZUR,P.MONECKE,H.SCHREUDER,B.ELSHORST, JRNL AUTH 2 S.BARTOSCHEK,T.LANGER,A.SCHIFFER,I.KRIMM,M.WEGSTROTH,D.LEE, JRNL AUTH 3 G.HESSLER,K.U.WENDT,S.BECKER,C.GRIESINGER JRNL TITL A COMBINATION OF SPIN DIFFUSION METHODS FOR THE JRNL TITL 2 DETERMINATION OF PROTEIN-LIGAND COMPLEX STRUCTURAL JRNL TITL 3 ENSEMBLES. JRNL REF ANGEW.CHEM.INT.ED.ENGL. V. 54 6511 2015 JRNL REFN ESSN 1521-3773 JRNL PMID 25877959 JRNL DOI 10.1002/ANIE.201500671 REMARK 2 REMARK 2 RESOLUTION. 2.11 ANGSTROMS. REMARK 3 REMARK 3 REFINEMENT. REMARK 3 PROGRAM : BUSTER 2.11.2 REMARK 3 AUTHORS : BRICOGNE,BLANC,BRANDL,FLENSBURG,KELLER, REMARK 3 : PACIOREK,ROVERSI,SHARFF,SMART,VONRHEIN, REMARK 3 : WOMACK,MATTHEWS,TEN EYCK,TRONRUD REMARK 3 REMARK 3 DATA USED IN REFINEMENT. REMARK 3 RESOLUTION RANGE HIGH (ANGSTROMS) : 2.11 REMARK 3 RESOLUTION RANGE LOW (ANGSTROMS) : 53.99 REMARK 3 DATA CUTOFF (SIGMA(F)) : 0.000 REMARK 3 COMPLETENESS FOR RANGE (%) : 99.9 REMARK 3 NUMBER OF REFLECTIONS : 26050 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) : 0.179 REMARK 3 R VALUE (WORKING SET) : 0.176 REMARK 3 FREE R VALUE : 0.232 REMARK 3 FREE R VALUE TEST SET SIZE (%) : 4.930 REMARK 3 FREE R VALUE TEST SET COUNT : 1285 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 : 13 REMARK 3 BIN RESOLUTION RANGE HIGH (ANGSTROMS) : 2.11 REMARK 3 BIN RESOLUTION RANGE LOW (ANGSTROMS) : 2.20 REMARK 3 BIN COMPLETENESS (WORKING+TEST) (%) : 99.88 REMARK 3 REFLECTIONS IN BIN (WORKING + TEST SET) : 2884 REMARK 3 BIN R VALUE (WORKING + TEST SET) : 0.2011 REMARK 3 REFLECTIONS IN BIN (WORKING SET) : 2741 REMARK 3 BIN R VALUE (WORKING SET) : 0.1990 REMARK 3 BIN FREE R VALUE : 0.2408 REMARK 3 BIN FREE R VALUE TEST SET SIZE (%) : 4.96 REMARK 3 BIN FREE R VALUE TEST SET COUNT : 143 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 : 2943 REMARK 3 NUCLEIC ACID ATOMS : 0 REMARK 3 HETEROGEN ATOMS : 17 REMARK 3 SOLVENT ATOMS : 343 REMARK 3 REMARK 3 B VALUES. REMARK 3 FROM WILSON PLOT (A**2) : 25.96 REMARK 3 MEAN B VALUE (OVERALL, A**2) : 27.11 REMARK 3 OVERALL ANISOTROPIC B VALUE. REMARK 3 B11 (A**2) : -1.69110 REMARK 3 B22 (A**2) : -4.90890 REMARK 3 B33 (A**2) : 6.60000 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) : 0.223 REMARK 3 DPI (BLOW EQ-10) BASED ON R VALUE (A) : 0.209 REMARK 3 DPI (BLOW EQ-9) BASED ON FREE R VALUE (A) : 0.180 REMARK 3 DPI (CRUICKSHANK) BASED ON R VALUE (A) : 0.190 REMARK 3 DPI (CRUICKSHANK) BASED ON FREE R VALUE (A) : 0.174 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 : 0.935 REMARK 3 CORRELATION COEFFICIENT FO-FC FREE : 0.887 REMARK 3 REMARK 3 NUMBER OF GEOMETRIC FUNCTION TERMS DEFINED : 15 REMARK 3 TERM COUNT WEIGHT FUNCTION. REMARK 3 BOND LENGTHS : 3058 ; 2.000 ; HARMONIC REMARK 3 BOND ANGLES : 4130 ; 2.000 ; HARMONIC REMARK 3 TORSION ANGLES : 1070 ; 2.000 ; SINUSOIDAL REMARK 3 TRIGONAL CARBON PLANES : 81 ; 2.000 ; HARMONIC REMARK 3 GENERAL PLANES : 437 ; 5.000 ; HARMONIC REMARK 3 ISOTROPIC THERMAL FACTORS : 3058 ; 20.000 ; HARMONIC REMARK 3 BAD NON-BONDED CONTACTS : NULL ; NULL ; NULL REMARK 3 IMPROPER TORSIONS : NULL ; NULL ; NULL REMARK 3 PSEUDOROTATION ANGLES : NULL ; NULL ; NULL REMARK 3 CHIRAL IMPROPER TORSION : 377 ; 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 : 3882 ; 4.000 ; SEMIHARMONIC REMARK 3 REMARK 3 RMS DEVIATIONS FROM IDEAL VALUES. REMARK 3 BOND LENGTHS (A) : 0.010 REMARK 3 BOND ANGLES (DEGREES) : 1.04 REMARK 3 PEPTIDE OMEGA TORSION ANGLES (DEGREES) : 3.06 REMARK 3 OTHER TORSION ANGLES (DEGREES) : 19.19 REMARK 3 REMARK 3 TLS DETAILS REMARK 3 NUMBER OF TLS GROUPS : NULL REMARK 3 REMARK 3 OTHER REFINEMENT REMARKS: NULL REMARK 4 REMARK 4 4YXS COMPLIES WITH FORMAT V. 3.30, 13-JUL-11 REMARK 100 REMARK 100 THIS ENTRY HAS BEEN PROCESSED BY PDBE ON 23-MAR-15. REMARK 100 THE DEPOSITION ID IS D_1000208183. REMARK 200 REMARK 200 EXPERIMENTAL DETAILS REMARK 200 EXPERIMENT TYPE : X-RAY DIFFRACTION REMARK 200 DATE OF DATA COLLECTION : 09-SEP-10 REMARK 200 TEMPERATURE (KELVIN) : 100 REMARK 200 PH : 6.4 REMARK 200 NUMBER OF CRYSTALS USED : 1 REMARK 200 REMARK 200 SYNCHROTRON (Y/N) : Y REMARK 200 RADIATION SOURCE : ESRF REMARK 200 BEAMLINE : ID23-1 REMARK 200 X-RAY GENERATOR MODEL : NULL REMARK 200 MONOCHROMATIC OR LAUE (M/L) : M REMARK 200 WAVELENGTH OR RANGE (A) : 1.0 REMARK 200 MONOCHROMATOR : SILICON (1 1 1) REMARK 200 OPTICS : NULL REMARK 200 REMARK 200 DETECTOR TYPE : CCD REMARK 200 DETECTOR MANUFACTURER : ADSC QUANTUM 210 REMARK 200 INTENSITY-INTEGRATION SOFTWARE : PROCESS REMARK 200 DATA SCALING SOFTWARE : PROCESS REMARK 200 REMARK 200 NUMBER OF UNIQUE REFLECTIONS : 26146 REMARK 200 RESOLUTION RANGE HIGH (A) : 2.110 REMARK 200 RESOLUTION RANGE LOW (A) : 75.350 REMARK 200 REJECTION CRITERIA (SIGMA(I)) : 1.000 REMARK 200 REMARK 200 OVERALL. REMARK 200 COMPLETENESS FOR RANGE (%) : 99.9 REMARK 200 DATA REDUNDANCY : 5.500 REMARK 200 R MERGE (I) : NULL REMARK 200 R SYM (I) : NULL REMARK 200 FOR THE DATA SET : 15.0000 REMARK 200 REMARK 200 IN THE HIGHEST RESOLUTION SHELL. REMARK 200 HIGHEST RESOLUTION SHELL, RANGE HIGH (A) : 2.11 REMARK 200 HIGHEST RESOLUTION SHELL, RANGE LOW (A) : 2.22 REMARK 200 COMPLETENESS FOR SHELL (%) : 100.0 REMARK 200 DATA REDUNDANCY IN SHELL : NULL REMARK 200 R MERGE FOR SHELL (I) : NULL 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: FOURIER SYNTHESIS REMARK 200 SOFTWARE USED: BUSTER REMARK 200 STARTING MODEL: NULL REMARK 200 REMARK 200 REMARK: NULL REMARK 280 REMARK 280 CRYSTAL REMARK 280 SOLVENT CONTENT, VS (%): 52.10 REMARK 280 MATTHEWS COEFFICIENT, VM (ANGSTROMS**3/DA): 2.57 REMARK 280 REMARK 280 CRYSTALLIZATION CONDITIONS: 75MM LICL, 30MM MESBISTRIS, 1MM DTT, REMARK 280 0.2MM EDTA, PH 6.5, 15% METHANOL, PH 6.4, VAPOR DIFFUSION, REMARK 280 HANGING DROP, TEMPERATURE 277K 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 36.58000 REMARK 290 SMTRY2 2 0.000000 -1.000000 0.000000 0.00000 REMARK 290 SMTRY3 2 0.000000 0.000000 1.000000 40.00000 REMARK 290 SMTRY1 3 -1.000000 0.000000 0.000000 0.00000 REMARK 290 SMTRY2 3 0.000000 1.000000 0.000000 37.67500 REMARK 290 SMTRY3 3 0.000000 0.000000 -1.000000 40.00000 REMARK 290 SMTRY1 4 1.000000 0.000000 0.000000 36.58000 REMARK 290 SMTRY2 4 0.000000 -1.000000 0.000000 37.67500 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 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 SOFTWARE DETERMINED QUATERNARY STRUCTURE: DIMERIC REMARK 350 SOFTWARE USED: PISA REMARK 350 TOTAL BURIED SURFACE AREA: 2600 ANGSTROM**2 REMARK 350 SURFACE AREA OF THE COMPLEX: 16170 ANGSTROM**2 REMARK 350 CHANGE IN SOLVENT FREE ENERGY: -2.0 KCAL/MOL REMARK 350 APPLY THE FOLLOWING TO CHAINS: A, I 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 1 REMARK 465 ASN A 2 REMARK 465 ALA A 3 REMARK 465 ALA A 4 REMARK 465 ALA A 5 REMARK 465 ALA A 6 REMARK 465 LYS A 7 REMARK 465 LYS A 8 REMARK 465 GLY A 9 REMARK 465 SER A 10 REMARK 465 GLU A 11 REMARK 465 GLN A 12 REMARK 465 GLU A 13 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 ILE A 46 -64.17 -108.88 REMARK 500 ASP A 112 -165.22 -129.48 REMARK 500 ASP A 166 37.67 -144.23 REMARK 500 ASP A 184 97.14 67.40 REMARK 500 ASN A 216 -159.72 -132.07 REMARK 500 LEU A 273 53.18 -95.86 REMARK 500 LYS A 319 46.49 -90.69 REMARK 500 REMARK 500 REMARK: NULL REMARK 525 REMARK 525 SOLVENT REMARK 525 REMARK 525 THE SOLVENT MOLECULES HAVE CHAIN IDENTIFIERS THAT REMARK 525 INDICATE THE POLYMER CHAIN WITH WHICH THEY ARE MOST REMARK 525 CLOSELY ASSOCIATED. THE REMARK LISTS ALL THE SOLVENT REMARK 525 MOLECULES WHICH ARE MORE THAN 5A AWAY FROM THE REMARK 525 NEAREST POLYMER CHAIN (M = MODEL NUMBER; REMARK 525 RES=RESIDUE NAME; C=CHAIN IDENTIFIER; SSEQ=SEQUENCE REMARK 525 NUMBER; I=INSERTION CODE): REMARK 525 REMARK 525 M RES CSSEQI REMARK 525 HOH A 808 DISTANCE = 5.86 ANGSTROMS REMARK 525 HOH A 809 DISTANCE = 6.48 ANGSTROMS REMARK 525 HOH A 810 DISTANCE = 6.90 ANGSTROMS REMARK 525 HOH A 811 DISTANCE = 6.98 ANGSTROMS REMARK 525 HOH A 812 DISTANCE = 7.15 ANGSTROMS REMARK 525 HOH A 813 DISTANCE = 9.35 ANGSTROMS REMARK 800 REMARK 800 SITE REMARK 800 SITE_IDENTIFIER: AC1 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: binding site for residue EMU A 401 REMARK 900 REMARK 900 RELATED ENTRIES REMARK 900 RELATED ID: 4EXF RELATED DB: PDB DBREF 4YXS A 1 350 UNP P00517 KAPCA_BOVIN 2 351 DBREF 4YXS I 5 24 UNP P61926 IPKA_RABIT 6 25 SEQADV 4YXS ASP A 286 UNP P00517 ASN 287 CONFLICT SEQRES 1 A 350 GLY ASN ALA ALA ALA ALA LYS LYS GLY SER GLU GLN GLU SEQRES 2 A 350 SER VAL LYS GLU PHE LEU ALA LYS ALA LYS GLU ASP PHE SEQRES 3 A 350 LEU LYS LYS TRP GLU ASN PRO ALA GLN ASN THR ALA HIS SEQRES 4 A 350 LEU ASP GLN PHE GLU ARG ILE LYS THR LEU GLY THR GLY SEQRES 5 A 350 SER PHE GLY ARG VAL MET LEU VAL LYS HIS MET GLU THR SEQRES 6 A 350 GLY ASN HIS TYR ALA MET LYS ILE LEU ASP LYS GLN LYS SEQRES 7 A 350 VAL VAL LYS LEU LYS GLN ILE GLU HIS THR LEU ASN GLU SEQRES 8 A 350 LYS ARG ILE LEU GLN ALA VAL ASN PHE PRO PHE LEU VAL SEQRES 9 A 350 LYS LEU GLU PHE SER PHE LYS ASP ASN SER ASN LEU TYR SEQRES 10 A 350 MET VAL MET GLU TYR VAL PRO GLY GLY GLU MET PHE SER SEQRES 11 A 350 HIS LEU ARG ARG ILE GLY ARG PHE SER GLU PRO HIS ALA SEQRES 12 A 350 ARG PHE TYR ALA ALA GLN ILE VAL LEU THR PHE GLU TYR SEQRES 13 A 350 LEU HIS SER LEU ASP LEU ILE TYR ARG ASP LEU LYS PRO SEQRES 14 A 350 GLU ASN LEU LEU ILE ASP GLN GLN GLY TYR ILE GLN VAL SEQRES 15 A 350 THR ASP PHE GLY PHE ALA LYS ARG VAL LYS GLY ARG THR SEQRES 16 A 350 TRP TPO LEU CYS GLY THR PRO GLU TYR LEU ALA PRO GLU SEQRES 17 A 350 ILE ILE LEU SER LYS GLY TYR ASN LYS ALA VAL ASP TRP SEQRES 18 A 350 TRP ALA LEU GLY VAL LEU ILE TYR GLU MET ALA ALA GLY SEQRES 19 A 350 TYR PRO PRO PHE PHE ALA ASP GLN PRO ILE GLN ILE TYR SEQRES 20 A 350 GLU LYS ILE VAL SER GLY LYS VAL ARG PHE PRO SER HIS SEQRES 21 A 350 PHE SER SER ASP LEU LYS ASP LEU LEU ARG ASN LEU LEU SEQRES 22 A 350 GLN VAL ASP LEU THR LYS ARG PHE GLY ASN LEU LYS ASP SEQRES 23 A 350 GLY VAL ASN ASP ILE LYS ASN HIS LYS TRP PHE ALA THR SEQRES 24 A 350 THR ASP TRP ILE ALA ILE TYR GLN ARG LYS VAL GLU ALA SEQRES 25 A 350 PRO PHE ILE PRO LYS PHE LYS GLY PRO GLY ASP THR SER SEQRES 26 A 350 ASN PHE ASP ASP TYR GLU GLU GLU GLU ILE ARG VAL SEP SEQRES 27 A 350 ILE ASN GLU LYS CYS GLY LYS GLU PHE SER GLU PHE SEQRES 1 I 20 THR THR TYR ALA ASP PHE ILE ALA SER GLY ARG THR GLY SEQRES 2 I 20 ARG ARG ASN ALA ILE HIS ASP MODRES 4YXS TPO A 197 THR MODIFIED RESIDUE MODRES 4YXS SEP A 338 SER MODIFIED RESIDUE HET TPO A 197 11 HET SEP A 338 10 HET EMU A 401 17 HETNAM TPO PHOSPHOTHREONINE HETNAM SEP PHOSPHOSERINE HETNAM EMU N-BENZYL-9H-PURIN-6-AMINE HETSYN TPO PHOSPHONOTHREONINE HETSYN SEP PHOSPHONOSERINE HETSYN EMU BENZYLAMINOPURINE FORMUL 1 TPO C4 H10 N O6 P FORMUL 1 SEP C3 H8 N O6 P FORMUL 3 EMU C12 H11 N5 FORMUL 4 HOH *343(H2 O) HELIX 1 AA1 SER A 14 ASN A 32 1 19 HELIX 2 AA2 HIS A 39 ASP A 41 5 3 HELIX 3 AA3 LYS A 76 LEU A 82 1 7 HELIX 4 AA4 GLN A 84 GLN A 96 1 13 HELIX 5 AA5 GLU A 127 GLY A 136 1 10 HELIX 6 AA6 SER A 139 LEU A 160 1 22 HELIX 7 AA7 LYS A 168 GLU A 170 5 3 HELIX 8 AA8 THR A 201 LEU A 205 5 5 HELIX 9 AA9 ALA A 206 LEU A 211 1 6 HELIX 10 AB1 LYS A 217 GLY A 234 1 18 HELIX 11 AB2 GLN A 242 GLY A 253 1 12 HELIX 12 AB3 SER A 262 LEU A 273 1 12 HELIX 13 AB4 VAL A 288 ASN A 293 1 6 HELIX 14 AB5 HIS A 294 ALA A 298 5 5 HELIX 15 AB6 ASP A 301 GLN A 307 1 7 HELIX 16 AB7 THR I 6 ALA I 12 1 7 SHEET 1 AA1 5 PHE A 43 THR A 51 0 SHEET 2 AA1 5 GLY A 55 HIS A 62 -1 O LEU A 59 N LYS A 47 SHEET 3 AA1 5 ASN A 67 ASP A 75 -1 O ASN A 67 N HIS A 62 SHEET 4 AA1 5 ASN A 115 GLU A 121 -1 O MET A 120 N ALA A 70 SHEET 5 AA1 5 LEU A 106 LYS A 111 -1 N PHE A 108 O VAL A 119 SHEET 1 AA2 2 LEU A 162 ILE A 163 0 SHEET 2 AA2 2 LYS A 189 ARG A 190 -1 O LYS A 189 N ILE A 163 SHEET 1 AA3 2 LEU A 172 ILE A 174 0 SHEET 2 AA3 2 ILE A 180 VAL A 182 -1 O GLN A 181 N LEU A 173 SHEET 1 AA4 2 CYS A 199 GLY A 200 0 SHEET 2 AA4 2 ILE I 22 HIS I 23 -1 O ILE I 22 N GLY A 200 LINK C TRP A 196 N TPO A 197 1555 1555 1.34 LINK C TPO A 197 N LEU A 198 1555 1555 1.33 LINK C VAL A 337 N SEP A 338 1555 1555 1.34 LINK C SEP A 338 N ILE A 339 1555 1555 1.35 SITE 1 AC1 13 LEU A 49 ALA A 70 VAL A 104 MET A 120 SITE 2 AC1 13 GLU A 121 VAL A 123 GLU A 127 GLU A 170 SITE 3 AC1 13 ASN A 171 LEU A 173 THR A 183 PHE A 327 SITE 4 AC1 13 ARG I 18 CRYST1 73.160 75.350 80.000 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 0.013669 0.000000 0.000000 0.00000 SCALE2 0.000000 0.013271 0.000000 0.00000 SCALE3 0.000000 0.000000 0.012500 0.00000