HEADER TRANSFERASE 04-JUN-25 9RFN TITLE STRUCTURE OF PROTEIN KINASE CK2ALPHA MUTANT E264D ASSOCIATED WITH THE TITLE 2 OKUR-CHUNG NEURODEVELOPMENTAL SYNDROME COMPND MOL_ID: 1; COMPND 2 MOLECULE: CASEIN KINASE II SUBUNIT ALPHA; COMPND 3 CHAIN: A, B; COMPND 4 SYNONYM: CK II ALPHA; COMPND 5 EC: 2.7.11.1; COMPND 6 ENGINEERED: YES; COMPND 7 MUTATION: YES SOURCE MOL_ID: 1; SOURCE 2 ORGANISM_SCIENTIFIC: HOMO SAPIENS; SOURCE 3 ORGANISM_COMMON: HUMAN; SOURCE 4 ORGANISM_TAXID: 9606; SOURCE 5 GENE: CSNK2A1, CK2A1; SOURCE 6 EXPRESSION_SYSTEM: ESCHERICHIA COLI; SOURCE 7 EXPRESSION_SYSTEM_TAXID: 562 KEYWDS OCNDS, OKUR-CHUNG NEURODEVERLOPMENTAL SYNDROME, CASEIN KINASE II, KEYWDS 2 PROTEIN KINASE, CK2, PROTEIN KINASE CK2, TRANSFERASE EXPDTA X-RAY DIFFRACTION AUTHOR C.WERNER,A.GAST,J.JOSE,K.NIEFIND REVDAT 1 29-APR-26 9RFN 0 JRNL AUTH A.GAST,C.WERNER,K.NIEFIND,J.JOSE JRNL TITL FUNCTIONAL CHARACTERIZATION OF 42 CK2 ALPHA DE NOVO VARIANTS JRNL TITL 2 ASSOCIATED WITH OKUR-CHUNG NEURODEVELOPMENTAL SYNDROME. JRNL REF FEBS J. 2026 JRNL REFN ISSN 1742-464X JRNL PMID 41978434 JRNL DOI 10.1111/FEBS.70538 REMARK 2 REMARK 2 RESOLUTION. 2.58 ANGSTROMS. REMARK 3 REMARK 3 REFINEMENT. REMARK 3 PROGRAM : PHENIX 1.19.2_4158 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 : GEOSTD + MONOMER LIBRARY + CDL V1.2 REMARK 3 REMARK 3 DATA USED IN REFINEMENT. REMARK 3 RESOLUTION RANGE HIGH (ANGSTROMS) : 2.58 REMARK 3 RESOLUTION RANGE LOW (ANGSTROMS) : 73.36 REMARK 3 MIN(FOBS/SIGMA_FOBS) : 1.350 REMARK 3 COMPLETENESS FOR RANGE (%) : 94.6 REMARK 3 NUMBER OF REFLECTIONS : 31697 REMARK 3 REMARK 3 FIT TO DATA USED IN REFINEMENT. REMARK 3 R VALUE (WORKING + TEST SET) : 0.243 REMARK 3 R VALUE (WORKING SET) : 0.241 REMARK 3 FREE R VALUE : 0.280 REMARK 3 FREE R VALUE TEST SET SIZE (%) : 4.900 REMARK 3 FREE R VALUE TEST SET COUNT : 1552 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 73.3600 - 5.7300 1.00 3069 189 0.2262 0.2282 REMARK 3 2 5.7300 - 4.5500 1.00 2938 164 0.1912 0.2555 REMARK 3 3 4.5500 - 3.9700 1.00 2912 142 0.2000 0.2226 REMARK 3 4 3.9700 - 3.6100 0.78 2263 116 0.2163 0.2759 REMARK 3 5 3.6100 - 3.3500 0.86 2505 108 0.2379 0.3209 REMARK 3 6 3.3500 - 3.1500 1.00 2828 170 0.2568 0.3234 REMARK 3 7 3.1500 - 3.0000 1.00 2894 117 0.2890 0.3497 REMARK 3 8 3.0000 - 2.8700 1.00 2857 151 0.2836 0.3060 REMARK 3 9 2.8700 - 2.7600 1.00 2816 160 0.3048 0.3577 REMARK 3 10 2.7500 - 2.6600 0.93 2558 120 0.3169 0.3699 REMARK 3 11 2.6500 - 2.5800 0.99 2505 115 0.3355 0.3585 REMARK 3 REMARK 3 BULK SOLVENT MODELLING. REMARK 3 METHOD USED : FLAT BULK SOLVENT MODEL 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) : 0.398 REMARK 3 PHASE ERROR (DEGREES, MAXIMUM-LIKELIHOOD BASED) : 29.556 REMARK 3 REMARK 3 B VALUES. REMARK 3 FROM WILSON PLOT (A**2) : 19.36 REMARK 3 MEAN B VALUE (OVERALL, A**2) : 43.65 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 : 0.002 5798 REMARK 3 ANGLE : 0.486 7852 REMARK 3 CHIRALITY : 0.042 807 REMARK 3 PLANARITY : 0.004 1005 REMARK 3 DIHEDRAL : 12.352 2175 REMARK 3 REMARK 3 TLS DETAILS REMARK 3 NUMBER OF TLS GROUPS : NULL REMARK 3 REMARK 3 NCS DETAILS REMARK 3 NUMBER OF NCS GROUPS : 1 REMARK 3 NCS GROUP : ens_1 REMARK 3 NCS OPERATOR : 1 REMARK 3 REFERENCE SELECTION: NULL REMARK 3 SELECTION : (chain "A" and (resid 2 through 258 or REMARK 3 resid 260 through 310 or resid 312 REMARK 3 through 331)) REMARK 3 ATOM PAIRS NUMBER : NULL REMARK 3 RMSD : NULL REMARK 3 NCS OPERATOR : 2 REMARK 3 REFERENCE SELECTION: NULL REMARK 3 SELECTION : (chain "B" and (resid 2 through 258 or REMARK 3 resid 260 through 310 or resid 312 REMARK 3 through 331)) REMARK 3 ATOM PAIRS NUMBER : NULL REMARK 3 RMSD : NULL REMARK 3 REMARK 3 OTHER REFINEMENT REMARKS: NULL REMARK 4 REMARK 4 9RFN COMPLIES WITH FORMAT V. 3.30, 13-JUL-11 REMARK 100 REMARK 100 THIS ENTRY HAS BEEN PROCESSED BY PDBE ON 04-JUN-25. REMARK 100 THE DEPOSITION ID IS D_1292148182. REMARK 200 REMARK 200 EXPERIMENTAL DETAILS REMARK 200 EXPERIMENT TYPE : X-RAY DIFFRACTION REMARK 200 DATE OF DATA COLLECTION : 27-FEB-25 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 : ESRF REMARK 200 BEAMLINE : ID30B REMARK 200 X-RAY GENERATOR MODEL : NULL REMARK 200 MONOCHROMATIC OR LAUE (M/L) : M REMARK 200 WAVELENGTH OR RANGE (A) : 0.87313 REMARK 200 MONOCHROMATOR : NULL REMARK 200 OPTICS : NULL REMARK 200 REMARK 200 DETECTOR TYPE : PIXEL REMARK 200 DETECTOR MANUFACTURER : DECTRIS EIGER2 X 9M REMARK 200 INTENSITY-INTEGRATION SOFTWARE : XDS REMARK 200 DATA SCALING SOFTWARE : AIMLESS REMARK 200 REMARK 200 NUMBER OF UNIQUE REFLECTIONS : 31814 REMARK 200 RESOLUTION RANGE HIGH (A) : 2.577 REMARK 200 RESOLUTION RANGE LOW (A) : 89.389 REMARK 200 REJECTION CRITERIA (SIGMA(I)) : NULL REMARK 200 REMARK 200 OVERALL. REMARK 200 COMPLETENESS FOR RANGE (%) : 95.0 REMARK 200 DATA REDUNDANCY : 26.00 REMARK 200 R MERGE (I) : 0.56700 REMARK 200 R SYM (I) : NULL REMARK 200 FOR THE DATA SET : 7.1000 REMARK 200 REMARK 200 IN THE HIGHEST RESOLUTION SHELL. REMARK 200 HIGHEST RESOLUTION SHELL, RANGE HIGH (A) : 2.58 REMARK 200 HIGHEST RESOLUTION SHELL, RANGE LOW (A) : 2.62 REMARK 200 COMPLETENESS FOR SHELL (%) : NULL REMARK 200 DATA REDUNDANCY IN SHELL : NULL REMARK 200 R MERGE FOR SHELL (I) : 3.08300 REMARK 200 R SYM FOR SHELL (I) : NULL REMARK 200 FOR SHELL : 1.500 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 (%): 54.60 REMARK 280 MATTHEWS COEFFICIENT, VM (ANGSTROMS**3/DA): 2.71 REMARK 280 REMARK 280 CRYSTALLIZATION CONDITIONS: RESERVOIR: 200 MM LI2SO4, 100 MM BIS REMARK 280 -TRIS, HCL PH 6.5, 35 % PEG 3350 PROTEIN: 5 MG PER ML IN 500 MM REMARK 280 NACL, 25 MM TRIS-HCL, PH 8.5 DROP: 4 MICROLITER PROTEIN MIXED REMARK 280 WITH 2 MICROLITER RESERVOIR, VAPOR DIFFUSION, SITTING DROP, REMARK 280 TEMPERATURE 293K REMARK 290 REMARK 290 CRYSTALLOGRAPHIC SYMMETRY REMARK 290 SYMMETRY OPERATORS FOR SPACE GROUP: P 43 21 2 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 -Y+1/2,X+1/2,Z+3/4 REMARK 290 4555 Y+1/2,-X+1/2,Z+1/4 REMARK 290 5555 -X+1/2,Y+1/2,-Z+3/4 REMARK 290 6555 X+1/2,-Y+1/2,-Z+1/4 REMARK 290 7555 Y,X,-Z REMARK 290 8555 -Y,-X,-Z+1/2 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 62.25600 REMARK 290 SMTRY1 3 0.000000 -1.000000 0.000000 64.20400 REMARK 290 SMTRY2 3 1.000000 0.000000 0.000000 64.20400 REMARK 290 SMTRY3 3 0.000000 0.000000 1.000000 93.38400 REMARK 290 SMTRY1 4 0.000000 1.000000 0.000000 64.20400 REMARK 290 SMTRY2 4 -1.000000 0.000000 0.000000 64.20400 REMARK 290 SMTRY3 4 0.000000 0.000000 1.000000 31.12800 REMARK 290 SMTRY1 5 -1.000000 0.000000 0.000000 64.20400 REMARK 290 SMTRY2 5 0.000000 1.000000 0.000000 64.20400 REMARK 290 SMTRY3 5 0.000000 0.000000 -1.000000 93.38400 REMARK 290 SMTRY1 6 1.000000 0.000000 0.000000 64.20400 REMARK 290 SMTRY2 6 0.000000 -1.000000 0.000000 64.20400 REMARK 290 SMTRY3 6 0.000000 0.000000 -1.000000 31.12800 REMARK 290 SMTRY1 7 0.000000 1.000000 0.000000 0.00000 REMARK 290 SMTRY2 7 1.000000 0.000000 0.000000 0.00000 REMARK 290 SMTRY3 7 0.000000 0.000000 -1.000000 0.00000 REMARK 290 SMTRY1 8 0.000000 -1.000000 0.000000 0.00000 REMARK 290 SMTRY2 8 -1.000000 0.000000 0.000000 0.00000 REMARK 290 SMTRY3 8 0.000000 0.000000 -1.000000 62.25600 REMARK 290 REMARK 290 REMARK: NULL REMARK 300 REMARK 300 BIOMOLECULE: 1, 2 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 350 REMARK 350 BIOMOLECULE: 2 REMARK 350 AUTHOR DETERMINED BIOLOGICAL UNIT: MONOMERIC REMARK 350 APPLY THE FOLLOWING TO CHAINS: B 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 MET A -19 REMARK 465 GLY A -18 REMARK 465 SER A -17 REMARK 465 SER A -16 REMARK 465 HIS A -15 REMARK 465 HIS A -14 REMARK 465 HIS A -13 REMARK 465 HIS A -12 REMARK 465 HIS A -11 REMARK 465 HIS A -10 REMARK 465 SER A -9 REMARK 465 SER A -8 REMARK 465 GLY A -7 REMARK 465 LEU A -6 REMARK 465 VAL A -5 REMARK 465 PRO A -4 REMARK 465 ARG A -3 REMARK 465 GLY A -2 REMARK 465 SER A -1 REMARK 465 HIS A 0 REMARK 465 MET A 1 REMARK 465 ALA A 332 REMARK 465 ARG A 333 REMARK 465 MET A 334 REMARK 465 GLY A 335 REMARK 465 SER A 336 REMARK 465 SER A 337 REMARK 465 SER A 338 REMARK 465 MET A 339 REMARK 465 PRO A 340 REMARK 465 GLY A 341 REMARK 465 GLY A 342 REMARK 465 SER A 343 REMARK 465 THR A 344 REMARK 465 PRO A 345 REMARK 465 VAL A 346 REMARK 465 SER A 347 REMARK 465 SER A 348 REMARK 465 ALA A 349 REMARK 465 ASN A 350 REMARK 465 MET A 351 REMARK 465 MET A 352 REMARK 465 SER A 353 REMARK 465 GLY A 354 REMARK 465 ILE A 355 REMARK 465 SER A 356 REMARK 465 SER A 357 REMARK 465 VAL A 358 REMARK 465 PRO A 359 REMARK 465 THR A 360 REMARK 465 PRO A 361 REMARK 465 SER A 362 REMARK 465 PRO A 363 REMARK 465 LEU A 364 REMARK 465 GLY A 365 REMARK 465 PRO A 366 REMARK 465 LEU A 367 REMARK 465 ALA A 368 REMARK 465 GLY A 369 REMARK 465 SER A 370 REMARK 465 PRO A 371 REMARK 465 VAL A 372 REMARK 465 ILE A 373 REMARK 465 ALA A 374 REMARK 465 ALA A 375 REMARK 465 ALA A 376 REMARK 465 ASN A 377 REMARK 465 PRO A 378 REMARK 465 LEU A 379 REMARK 465 GLY A 380 REMARK 465 MET A 381 REMARK 465 PRO A 382 REMARK 465 VAL A 383 REMARK 465 PRO A 384 REMARK 465 ALA A 385 REMARK 465 ALA A 386 REMARK 465 ALA A 387 REMARK 465 GLY A 388 REMARK 465 ALA A 389 REMARK 465 GLN A 390 REMARK 465 GLN A 391 REMARK 465 MET B -19 REMARK 465 GLY B -18 REMARK 465 SER B -17 REMARK 465 SER B -16 REMARK 465 HIS B -15 REMARK 465 HIS B -14 REMARK 465 HIS B -13 REMARK 465 HIS B -12 REMARK 465 HIS B -11 REMARK 465 HIS B -10 REMARK 465 SER B -9 REMARK 465 SER B -8 REMARK 465 GLY B -7 REMARK 465 LEU B -6 REMARK 465 VAL B -5 REMARK 465 PRO B -4 REMARK 465 ARG B -3 REMARK 465 GLY B -2 REMARK 465 SER B -1 REMARK 465 HIS B 0 REMARK 465 MET B 1 REMARK 465 ALA B 332 REMARK 465 ARG B 333 REMARK 465 MET B 334 REMARK 465 GLY B 335 REMARK 465 SER B 336 REMARK 465 SER B 337 REMARK 465 SER B 338 REMARK 465 MET B 339 REMARK 465 PRO B 340 REMARK 465 GLY B 341 REMARK 465 GLY B 342 REMARK 465 SER B 343 REMARK 465 THR B 344 REMARK 465 PRO B 345 REMARK 465 VAL B 346 REMARK 465 SER B 347 REMARK 465 SER B 348 REMARK 465 ALA B 349 REMARK 465 ASN B 350 REMARK 465 MET B 351 REMARK 465 MET B 352 REMARK 465 SER B 353 REMARK 465 GLY B 354 REMARK 465 ILE B 355 REMARK 465 SER B 356 REMARK 465 SER B 357 REMARK 465 VAL B 358 REMARK 465 PRO B 359 REMARK 465 THR B 360 REMARK 465 PRO B 361 REMARK 465 SER B 362 REMARK 465 PRO B 363 REMARK 465 LEU B 364 REMARK 465 GLY B 365 REMARK 465 PRO B 366 REMARK 465 LEU B 367 REMARK 465 ALA B 368 REMARK 465 GLY B 369 REMARK 465 SER B 370 REMARK 465 PRO B 371 REMARK 465 VAL B 372 REMARK 465 ILE B 373 REMARK 465 ALA B 374 REMARK 465 ALA B 375 REMARK 465 ALA B 376 REMARK 465 ASN B 377 REMARK 465 PRO B 378 REMARK 465 LEU B 379 REMARK 465 GLY B 380 REMARK 465 MET B 381 REMARK 465 PRO B 382 REMARK 465 VAL B 383 REMARK 465 PRO B 384 REMARK 465 ALA B 385 REMARK 465 ALA B 386 REMARK 465 ALA B 387 REMARK 465 GLY B 388 REMARK 465 ALA B 389 REMARK 465 GLN B 390 REMARK 465 GLN B 391 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 ASN A 93 16.04 59.09 REMARK 500 ARG A 107 17.75 57.00 REMARK 500 ASP A 156 45.69 -155.84 REMARK 500 ASP A 175 82.44 51.78 REMARK 500 ALA A 193 163.89 66.82 REMARK 500 ASP A 210 -152.48 -137.04 REMARK 500 VAL A 328 36.59 -78.55 REMARK 500 ASP A 330 46.39 -165.96 REMARK 500 PRO B 72 108.90 -57.08 REMARK 500 ASN B 93 16.47 59.75 REMARK 500 ASP B 156 46.33 -156.52 REMARK 500 ASP B 175 82.44 52.56 REMARK 500 ALA B 193 163.20 66.05 REMARK 500 ASP B 210 -152.21 -138.66 REMARK 500 ASP B 330 40.30 -83.74 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 588 DISTANCE = 5.87 ANGSTROMS REMARK 525 HOH A 589 DISTANCE = 6.33 ANGSTROMS DBREF 9RFN A 1 391 UNP P68400 CSK21_HUMAN 1 391 DBREF 9RFN B 1 391 UNP P68400 CSK21_HUMAN 1 391 SEQADV 9RFN MET A -19 UNP P68400 INITIATING METHIONINE SEQADV 9RFN GLY A -18 UNP P68400 EXPRESSION TAG SEQADV 9RFN SER A -17 UNP P68400 EXPRESSION TAG SEQADV 9RFN SER A -16 UNP P68400 EXPRESSION TAG SEQADV 9RFN HIS A -15 UNP P68400 EXPRESSION TAG SEQADV 9RFN HIS A -14 UNP P68400 EXPRESSION TAG SEQADV 9RFN HIS A -13 UNP P68400 EXPRESSION TAG SEQADV 9RFN HIS A -12 UNP P68400 EXPRESSION TAG SEQADV 9RFN HIS A -11 UNP P68400 EXPRESSION TAG SEQADV 9RFN HIS A -10 UNP P68400 EXPRESSION TAG SEQADV 9RFN SER A -9 UNP P68400 EXPRESSION TAG SEQADV 9RFN SER A -8 UNP P68400 EXPRESSION TAG SEQADV 9RFN GLY A -7 UNP P68400 EXPRESSION TAG SEQADV 9RFN LEU A -6 UNP P68400 EXPRESSION TAG SEQADV 9RFN VAL A -5 UNP P68400 EXPRESSION TAG SEQADV 9RFN PRO A -4 UNP P68400 EXPRESSION TAG SEQADV 9RFN ARG A -3 UNP P68400 EXPRESSION TAG SEQADV 9RFN GLY A -2 UNP P68400 EXPRESSION TAG SEQADV 9RFN SER A -1 UNP P68400 EXPRESSION TAG SEQADV 9RFN HIS A 0 UNP P68400 EXPRESSION TAG SEQADV 9RFN ASP A 264 UNP P68400 GLU 264 ENGINEERED MUTATION SEQADV 9RFN MET B -19 UNP P68400 INITIATING METHIONINE SEQADV 9RFN GLY B -18 UNP P68400 EXPRESSION TAG SEQADV 9RFN SER B -17 UNP P68400 EXPRESSION TAG SEQADV 9RFN SER B -16 UNP P68400 EXPRESSION TAG SEQADV 9RFN HIS B -15 UNP P68400 EXPRESSION TAG SEQADV 9RFN HIS B -14 UNP P68400 EXPRESSION TAG SEQADV 9RFN HIS B -13 UNP P68400 EXPRESSION TAG SEQADV 9RFN HIS B -12 UNP P68400 EXPRESSION TAG SEQADV 9RFN HIS B -11 UNP P68400 EXPRESSION TAG SEQADV 9RFN HIS B -10 UNP P68400 EXPRESSION TAG SEQADV 9RFN SER B -9 UNP P68400 EXPRESSION TAG SEQADV 9RFN SER B -8 UNP P68400 EXPRESSION TAG SEQADV 9RFN GLY B -7 UNP P68400 EXPRESSION TAG SEQADV 9RFN LEU B -6 UNP P68400 EXPRESSION TAG SEQADV 9RFN VAL B -5 UNP P68400 EXPRESSION TAG SEQADV 9RFN PRO B -4 UNP P68400 EXPRESSION TAG SEQADV 9RFN ARG B -3 UNP P68400 EXPRESSION TAG SEQADV 9RFN GLY B -2 UNP P68400 EXPRESSION TAG SEQADV 9RFN SER B -1 UNP P68400 EXPRESSION TAG SEQADV 9RFN HIS B 0 UNP P68400 EXPRESSION TAG SEQADV 9RFN ASP B 264 UNP P68400 GLU 264 ENGINEERED MUTATION SEQRES 1 A 411 MET GLY SER SER HIS HIS HIS HIS HIS HIS SER SER GLY SEQRES 2 A 411 LEU VAL PRO ARG GLY SER HIS MET SER GLY PRO VAL PRO SEQRES 3 A 411 SER ARG ALA ARG VAL TYR THR ASP VAL ASN THR HIS ARG SEQRES 4 A 411 PRO ARG GLU TYR TRP ASP TYR GLU SER HIS VAL VAL GLU SEQRES 5 A 411 TRP GLY ASN GLN ASP ASP TYR GLN LEU VAL ARG LYS LEU SEQRES 6 A 411 GLY ARG GLY LYS TYR SER GLU VAL PHE GLU ALA ILE ASN SEQRES 7 A 411 ILE THR ASN ASN GLU LYS VAL VAL VAL LYS ILE LEU LYS SEQRES 8 A 411 PRO VAL LYS LYS LYS LYS ILE LYS ARG GLU ILE LYS ILE SEQRES 9 A 411 LEU GLU ASN LEU ARG GLY GLY PRO ASN ILE ILE THR LEU SEQRES 10 A 411 ALA ASP ILE VAL LYS ASP PRO VAL SER ARG THR PRO ALA SEQRES 11 A 411 LEU VAL PHE GLU HIS VAL ASN ASN THR ASP PHE LYS GLN SEQRES 12 A 411 LEU TYR GLN THR LEU THR ASP TYR ASP ILE ARG PHE TYR SEQRES 13 A 411 MET TYR GLU ILE LEU LYS ALA LEU ASP TYR CYS HIS SER SEQRES 14 A 411 MET GLY ILE MET HIS ARG ASP VAL LYS PRO HIS ASN VAL SEQRES 15 A 411 MET ILE ASP HIS GLU HIS ARG LYS LEU ARG LEU ILE ASP SEQRES 16 A 411 TRP GLY LEU ALA GLU PHE TYR HIS PRO GLY GLN GLU TYR SEQRES 17 A 411 ASN VAL ARG VAL ALA SER ARG TYR PHE LYS GLY PRO GLU SEQRES 18 A 411 LEU LEU VAL ASP TYR GLN MET TYR ASP TYR SER LEU ASP SEQRES 19 A 411 MET TRP SER LEU GLY CYS MET LEU ALA SER MET ILE PHE SEQRES 20 A 411 ARG LYS GLU PRO PHE PHE HIS GLY HIS ASP ASN TYR ASP SEQRES 21 A 411 GLN LEU VAL ARG ILE ALA LYS VAL LEU GLY THR GLU ASP SEQRES 22 A 411 LEU TYR ASP TYR ILE ASP LYS TYR ASN ILE ASP LEU ASP SEQRES 23 A 411 PRO ARG PHE ASN ASP ILE LEU GLY ARG HIS SER ARG LYS SEQRES 24 A 411 ARG TRP GLU ARG PHE VAL HIS SER GLU ASN GLN HIS LEU SEQRES 25 A 411 VAL SER PRO GLU ALA LEU ASP PHE LEU ASP LYS LEU LEU SEQRES 26 A 411 ARG TYR ASP HIS GLN SER ARG LEU THR ALA ARG GLU ALA SEQRES 27 A 411 MET GLU HIS PRO TYR PHE TYR THR VAL VAL LYS ASP GLN SEQRES 28 A 411 ALA ARG MET GLY SER SER SER MET PRO GLY GLY SER THR SEQRES 29 A 411 PRO VAL SER SER ALA ASN MET MET SER GLY ILE SER SER SEQRES 30 A 411 VAL PRO THR PRO SER PRO LEU GLY PRO LEU ALA GLY SER SEQRES 31 A 411 PRO VAL ILE ALA ALA ALA ASN PRO LEU GLY MET PRO VAL SEQRES 32 A 411 PRO ALA ALA ALA GLY ALA GLN GLN SEQRES 1 B 411 MET GLY SER SER HIS HIS HIS HIS HIS HIS SER SER GLY SEQRES 2 B 411 LEU VAL PRO ARG GLY SER HIS MET SER GLY PRO VAL PRO SEQRES 3 B 411 SER ARG ALA ARG VAL TYR THR ASP VAL ASN THR HIS ARG SEQRES 4 B 411 PRO ARG GLU TYR TRP ASP TYR GLU SER HIS VAL VAL GLU SEQRES 5 B 411 TRP GLY ASN GLN ASP ASP TYR GLN LEU VAL ARG LYS LEU SEQRES 6 B 411 GLY ARG GLY LYS TYR SER GLU VAL PHE GLU ALA ILE ASN SEQRES 7 B 411 ILE THR ASN ASN GLU LYS VAL VAL VAL LYS ILE LEU LYS SEQRES 8 B 411 PRO VAL LYS LYS LYS LYS ILE LYS ARG GLU ILE LYS ILE SEQRES 9 B 411 LEU GLU ASN LEU ARG GLY GLY PRO ASN ILE ILE THR LEU SEQRES 10 B 411 ALA ASP ILE VAL LYS ASP PRO VAL SER ARG THR PRO ALA SEQRES 11 B 411 LEU VAL PHE GLU HIS VAL ASN ASN THR ASP PHE LYS GLN SEQRES 12 B 411 LEU TYR GLN THR LEU THR ASP TYR ASP ILE ARG PHE TYR SEQRES 13 B 411 MET TYR GLU ILE LEU LYS ALA LEU ASP TYR CYS HIS SER SEQRES 14 B 411 MET GLY ILE MET HIS ARG ASP VAL LYS PRO HIS ASN VAL SEQRES 15 B 411 MET ILE ASP HIS GLU HIS ARG LYS LEU ARG LEU ILE ASP SEQRES 16 B 411 TRP GLY LEU ALA GLU PHE TYR HIS PRO GLY GLN GLU TYR SEQRES 17 B 411 ASN VAL ARG VAL ALA SER ARG TYR PHE LYS GLY PRO GLU SEQRES 18 B 411 LEU LEU VAL ASP TYR GLN MET TYR ASP TYR SER LEU ASP SEQRES 19 B 411 MET TRP SER LEU GLY CYS MET LEU ALA SER MET ILE PHE SEQRES 20 B 411 ARG LYS GLU PRO PHE PHE HIS GLY HIS ASP ASN TYR ASP SEQRES 21 B 411 GLN LEU VAL ARG ILE ALA LYS VAL LEU GLY THR GLU ASP SEQRES 22 B 411 LEU TYR ASP TYR ILE ASP LYS TYR ASN ILE ASP LEU ASP SEQRES 23 B 411 PRO ARG PHE ASN ASP ILE LEU GLY ARG HIS SER ARG LYS SEQRES 24 B 411 ARG TRP GLU ARG PHE VAL HIS SER GLU ASN GLN HIS LEU SEQRES 25 B 411 VAL SER PRO GLU ALA LEU ASP PHE LEU ASP LYS LEU LEU SEQRES 26 B 411 ARG TYR ASP HIS GLN SER ARG LEU THR ALA ARG GLU ALA SEQRES 27 B 411 MET GLU HIS PRO TYR PHE TYR THR VAL VAL LYS ASP GLN SEQRES 28 B 411 ALA ARG MET GLY SER SER SER MET PRO GLY GLY SER THR SEQRES 29 B 411 PRO VAL SER SER ALA ASN MET MET SER GLY ILE SER SER SEQRES 30 B 411 VAL PRO THR PRO SER PRO LEU GLY PRO LEU ALA GLY SER SEQRES 31 B 411 PRO VAL ILE ALA ALA ALA ASN PRO LEU GLY MET PRO VAL SEQRES 32 B 411 PRO ALA ALA ALA GLY ALA GLN GLN HET EDO A 401 4 HET SO4 A 402 5 HET SO4 A 403 5 HET SO4 A 404 5 HET SO4 A 405 5 HET SO4 A 406 5 HET SO4 A 407 5 HET SO4 A 408 5 HET SO4 B 401 5 HET SO4 B 402 5 HET SO4 B 403 5 HET SO4 B 404 5 HET SO4 B 405 5 HETNAM EDO 1,2-ETHANEDIOL HETNAM SO4 SULFATE ION HETSYN EDO ETHYLENE GLYCOL FORMUL 3 EDO C2 H6 O2 FORMUL 4 SO4 12(O4 S 2-) FORMUL 16 HOH *173(H2 O) HELIX 1 AA1 PRO A 20 ASP A 25 1 6 HELIX 2 AA2 TYR A 26 HIS A 29 5 4 HELIX 3 AA3 ASN A 35 ASP A 37 5 3 HELIX 4 AA4 LYS A 74 LEU A 88 1 15 HELIX 5 AA5 ASP A 120 LEU A 128 1 9 HELIX 6 AA6 THR A 129 MET A 150 1 22 HELIX 7 AA7 LYS A 158 HIS A 160 5 3 HELIX 8 AA8 SER A 194 LYS A 198 5 5 HELIX 9 AA9 GLY A 199 VAL A 204 1 6 HELIX 10 AB1 TYR A 211 PHE A 227 1 17 HELIX 11 AB2 ASP A 237 GLY A 250 1 14 HELIX 12 AB3 GLY A 250 TYR A 261 1 12 HELIX 13 AB4 ASP A 266 GLY A 274 1 9 HELIX 14 AB5 ARG A 280 VAL A 285 5 6 HELIX 15 AB6 SER A 294 LEU A 305 1 12 HELIX 16 AB7 THR A 314 GLU A 320 1 7 HELIX 17 AB8 HIS A 321 VAL A 328 5 8 HELIX 18 AB9 PRO B 20 ASP B 25 1 6 HELIX 19 AC1 TYR B 26 HIS B 29 5 4 HELIX 20 AC2 ASN B 35 ASP B 37 5 3 HELIX 21 AC3 LYS B 74 LEU B 88 1 15 HELIX 22 AC4 ASP B 120 TYR B 125 1 6 HELIX 23 AC5 THR B 129 MET B 150 1 22 HELIX 24 AC6 LYS B 158 HIS B 160 5 3 HELIX 25 AC7 SER B 194 LYS B 198 5 5 HELIX 26 AC8 GLY B 199 VAL B 204 1 6 HELIX 27 AC9 TYR B 211 PHE B 227 1 17 HELIX 28 AD1 ASP B 237 GLY B 250 1 14 HELIX 29 AD2 GLY B 250 TYR B 261 1 12 HELIX 30 AD3 ASP B 266 GLY B 274 1 9 HELIX 31 AD4 ARG B 280 VAL B 285 5 6 HELIX 32 AD5 SER B 294 LEU B 305 1 12 HELIX 33 AD6 THR B 314 GLU B 320 1 7 HELIX 34 AD7 HIS B 321 TYR B 323 5 3 HELIX 35 AD8 PHE B 324 ASP B 330 1 7 SHEET 1 AA1 5 TYR A 39 GLY A 48 0 SHEET 2 AA1 5 SER A 51 ASN A 58 -1 O GLU A 55 N ARG A 43 SHEET 3 AA1 5 GLU A 63 LEU A 70 -1 O GLU A 63 N ASN A 58 SHEET 4 AA1 5 PRO A 109 GLU A 114 -1 O PHE A 113 N VAL A 66 SHEET 5 AA1 5 LEU A 97 LYS A 102 -1 N ALA A 98 O VAL A 112 SHEET 1 AA2 2 ILE A 152 MET A 153 0 SHEET 2 AA2 2 GLU A 180 PHE A 181 -1 O GLU A 180 N MET A 153 SHEET 1 AA3 2 VAL A 162 ASP A 165 0 SHEET 2 AA3 2 LYS A 170 LEU A 173 -1 O LYS A 170 N ASP A 165 SHEET 1 AA4 5 TYR B 39 ARG B 47 0 SHEET 2 AA4 5 SER B 51 ASN B 58 -1 O ILE B 57 N GLN B 40 SHEET 3 AA4 5 GLU B 63 LEU B 70 -1 O GLU B 63 N ASN B 58 SHEET 4 AA4 5 PRO B 109 GLU B 114 -1 O LEU B 111 N LYS B 68 SHEET 5 AA4 5 LEU B 97 LYS B 102 -1 N ASP B 99 O VAL B 112 SHEET 1 AA5 2 ILE B 152 MET B 153 0 SHEET 2 AA5 2 GLU B 180 PHE B 181 -1 O GLU B 180 N MET B 153 SHEET 1 AA6 2 VAL B 162 ASP B 165 0 SHEET 2 AA6 2 LYS B 170 LEU B 173 -1 O LYS B 170 N ASP B 165 CISPEP 1 GLU A 230 PRO A 231 0 -6.08 CISPEP 2 GLU B 230 PRO B 231 0 -6.59 CRYST1 128.408 128.408 124.512 90.00 90.00 90.00 P 43 21 2 16 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 0.007788 0.000000 0.000000 0.00000 SCALE2 0.000000 0.007788 0.000000 0.00000 SCALE3 0.000000 0.000000 0.008031 0.00000 MTRIX1 1 0.007276 0.997907 0.064251 -65.06683 1 MTRIX2 1 -0.999973 0.007177 0.001780 -63.33541 1 MTRIX3 1 0.001315 -0.064262 0.997932 -28.00859 1 CONECT 5597 5598 5599 CONECT 5598 5597 CONECT 5599 5597 5600 CONECT 5600 5599 CONECT 5601 5602 5603 5604 5605 CONECT 5602 5601 CONECT 5603 5601 CONECT 5604 5601 CONECT 5605 5601 CONECT 5606 5607 5608 5609 5610 CONECT 5607 5606 CONECT 5608 5606 CONECT 5609 5606 CONECT 5610 5606 CONECT 5611 5612 5613 5614 5615 CONECT 5612 5611 CONECT 5613 5611 CONECT 5614 5611 CONECT 5615 5611 CONECT 5616 5617 5618 5619 5620 CONECT 5617 5616 CONECT 5618 5616 CONECT 5619 5616 CONECT 5620 5616 CONECT 5621 5622 5623 5624 5625 CONECT 5622 5621 CONECT 5623 5621 CONECT 5624 5621 CONECT 5625 5621 CONECT 5626 5627 5628 5629 5630 CONECT 5627 5626 CONECT 5628 5626 CONECT 5629 5626 CONECT 5630 5626 CONECT 5631 5632 5633 5634 5635 CONECT 5632 5631 CONECT 5633 5631 CONECT 5634 5631 CONECT 5635 5631 CONECT 5636 5637 5638 5639 5640 CONECT 5637 5636 CONECT 5638 5636 CONECT 5639 5636 CONECT 5640 5636 CONECT 5641 5642 5643 5644 5645 CONECT 5642 5641 CONECT 5643 5641 CONECT 5644 5641 CONECT 5645 5641 CONECT 5646 5647 5648 5649 5650 CONECT 5647 5646 CONECT 5648 5646 CONECT 5649 5646 CONECT 5650 5646 CONECT 5651 5652 5653 5654 5655 CONECT 5652 5651 CONECT 5653 5651 CONECT 5654 5651 CONECT 5655 5651 CONECT 5656 5657 5658 5659 5660 CONECT 5657 5656 CONECT 5658 5656 CONECT 5659 5656 CONECT 5660 5656 MASTER 453 0 13 35 18 0 0 9 5811 2 64 64 END