HEADER TRANSFERASE 22-OCT-25 9T1U TITLE JAK2-RUXOLITINIB COMPLEX WITH A PHOSPHORYLATED ACTIVATION LOOP COMPND MOL_ID: 1; COMPND 2 MOLECULE: TYROSINE-PROTEIN KINASE JAK2; COMPND 3 CHAIN: A; COMPND 4 SYNONYM: JANUS KINASE 2,JAK-2; COMPND 5 EC: 2.7.10.2; 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: JAK2; SOURCE 6 EXPRESSION_SYSTEM: TRICHOPLUSIA NI; SOURCE 7 EXPRESSION_SYSTEM_TAXID: 7111 KEYWDS JANUS KINASE, JAK2, JH1, TRANSFERASE EXPDTA X-RAY DIFFRACTION AUTHOR Y.MIAO,T.HAIKARAINEN REVDAT 1 29-JUL-26 9T1U 0 JRNL AUTH Y.MIAO,V.V.MYKULIAK,S.R.HUBBARD,O.SILVENNOINEN,V.HYTONEN, JRNL AUTH 2 T.HAIKARAINEN JRNL TITL JANUS KINASE 2 ACTIVATION LOOP AS A REGULATOR OF CATALYSIS JRNL TITL 2 AND TRANS-ACTIVATION. JRNL REF INT.J.BIOL.MACROMOL. V. 374 53276 2026 JRNL REFN ISSN 0141-8130 JRNL PMID 42409141 JRNL DOI 10.1016/J.IJBIOMAC.2026.153276 REMARK 2 REMARK 2 RESOLUTION. 1.65 ANGSTROMS. REMARK 3 REMARK 3 REFINEMENT. REMARK 3 PROGRAM : PHENIX 1.21.1_5286 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) : 1.65 REMARK 3 RESOLUTION RANGE LOW (ANGSTROMS) : 49.02 REMARK 3 MIN(FOBS/SIGMA_FOBS) : 1.340 REMARK 3 COMPLETENESS FOR RANGE (%) : 99.1 REMARK 3 NUMBER OF REFLECTIONS : 42789 REMARK 3 REMARK 3 FIT TO DATA USED IN REFINEMENT. REMARK 3 R VALUE (WORKING + TEST SET) : 0.167 REMARK 3 R VALUE (WORKING SET) : 0.166 REMARK 3 FREE R VALUE : 0.193 REMARK 3 FREE R VALUE TEST SET SIZE (%) : 4.950 REMARK 3 FREE R VALUE TEST SET COUNT : 2117 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 49.0200 - 4.0700 0.98 2786 125 0.1698 0.1802 REMARK 3 2 4.0700 - 3.2300 1.00 2770 137 0.1347 0.1809 REMARK 3 3 3.2300 - 2.8200 1.00 2751 142 0.1493 0.1654 REMARK 3 4 2.8200 - 2.5600 1.00 2724 132 0.1471 0.1710 REMARK 3 5 2.5600 - 2.3800 1.00 2744 139 0.1429 0.1658 REMARK 3 6 2.3800 - 2.2400 0.98 2661 162 0.1431 0.1930 REMARK 3 7 2.2400 - 2.1300 0.99 2692 164 0.1432 0.1534 REMARK 3 8 2.1300 - 2.0300 1.00 2728 141 0.1466 0.1882 REMARK 3 9 2.0300 - 1.9600 0.99 2726 131 0.1627 0.1899 REMARK 3 10 1.9600 - 1.8900 0.99 2664 153 0.1764 0.2190 REMARK 3 11 1.8900 - 1.8300 0.99 2710 142 0.2009 0.2352 REMARK 3 12 1.8300 - 1.7800 0.99 2677 149 0.2298 0.2484 REMARK 3 13 1.7800 - 1.7300 0.99 2696 125 0.2283 0.2927 REMARK 3 14 1.7300 - 1.6900 0.99 2716 138 0.2661 0.2729 REMARK 3 15 1.6900 - 1.6500 0.97 2627 137 0.2827 0.2890 REMARK 3 REMARK 3 BULK SOLVENT MODELLING. REMARK 3 METHOD USED : FLAT BULK SOLVENT MODEL REMARK 3 SOLVENT RADIUS : 1.10 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) : 0.182 REMARK 3 PHASE ERROR (DEGREES, MAXIMUM-LIKELIHOOD BASED) : 17.835 REMARK 3 REMARK 3 B VALUES. REMARK 3 FROM WILSON PLOT (A**2) : 13.76 REMARK 3 MEAN B VALUE (OVERALL, A**2) : 22.77 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 : 0.012 2602 REMARK 3 ANGLE : 1.210 3525 REMARK 3 CHIRALITY : 0.064 370 REMARK 3 PLANARITY : 0.013 457 REMARK 3 DIHEDRAL : 14.291 1014 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 : NULL REMARK 3 REMARK 3 OTHER REFINEMENT REMARKS: NULL REMARK 4 REMARK 4 9T1U COMPLIES WITH FORMAT V. 3.30, 13-JUL-11 REMARK 100 REMARK 100 THIS ENTRY HAS BEEN PROCESSED BY PDBE ON 22-OCT-25. REMARK 100 THE DEPOSITION ID IS D_1292151618. REMARK 200 REMARK 200 EXPERIMENTAL DETAILS REMARK 200 EXPERIMENT TYPE : X-RAY DIFFRACTION REMARK 200 DATE OF DATA COLLECTION : 11-DEC-23 REMARK 200 TEMPERATURE (KELVIN) : 100 REMARK 200 PH : 8.2 REMARK 200 NUMBER OF CRYSTALS USED : 1 REMARK 200 REMARK 200 SYNCHROTRON (Y/N) : Y REMARK 200 RADIATION SOURCE : DIAMOND REMARK 200 BEAMLINE : I03 REMARK 200 X-RAY GENERATOR MODEL : NULL REMARK 200 MONOCHROMATIC OR LAUE (M/L) : M REMARK 200 WAVELENGTH OR RANGE (A) : 0.976250 REMARK 200 MONOCHROMATOR : NULL REMARK 200 OPTICS : NULL REMARK 200 REMARK 200 DETECTOR TYPE : PIXEL REMARK 200 DETECTOR MANUFACTURER : DECTRIS EIGER2 XE 16M REMARK 200 INTENSITY-INTEGRATION SOFTWARE : XDS REMARK 200 DATA SCALING SOFTWARE : AIMLESS REMARK 200 REMARK 200 NUMBER OF UNIQUE REFLECTIONS : 42816 REMARK 200 RESOLUTION RANGE HIGH (A) : 1.650 REMARK 200 RESOLUTION RANGE LOW (A) : 57.840 REMARK 200 REJECTION CRITERIA (SIGMA(I)) : NULL REMARK 200 REMARK 200 OVERALL. REMARK 200 COMPLETENESS FOR RANGE (%) : 99.2 REMARK 200 DATA REDUNDANCY : 7.000 REMARK 200 R MERGE (I) : NULL REMARK 200 R SYM (I) : NULL REMARK 200 FOR THE DATA SET : 17.3000 REMARK 200 REMARK 200 IN THE HIGHEST RESOLUTION SHELL. REMARK 200 HIGHEST RESOLUTION SHELL, RANGE HIGH (A) : 1.65 REMARK 200 HIGHEST RESOLUTION SHELL, RANGE LOW (A) : 1.68 REMARK 200 COMPLETENESS FOR SHELL (%) : 96.7 REMARK 200 DATA REDUNDANCY IN SHELL : 6.60 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: PHENIX REMARK 200 STARTING MODEL: NULL REMARK 200 REMARK 200 REMARK: NULL REMARK 280 REMARK 280 CRYSTAL REMARK 280 SOLVENT CONTENT, VS (%): 49.63 REMARK 280 MATTHEWS COEFFICIENT, VM (ANGSTROMS**3/DA): 2.44 REMARK 280 REMARK 280 CRYSTALLIZATION CONDITIONS: 0.1 M GLY-GLY PH 8.2, 1.6 M NA REMARK 280 -MALONATE, VAPOR DIFFUSION, HANGING DROP, TEMPERATURE 295K 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 X+1/2,Y+1/2,Z 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 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 53.82700 REMARK 290 SMTRY2 3 0.000000 1.000000 0.000000 34.48700 REMARK 290 SMTRY3 3 0.000000 0.000000 1.000000 0.00000 REMARK 290 SMTRY1 4 -1.000000 0.000000 0.000000 53.82700 REMARK 290 SMTRY2 4 0.000000 1.000000 0.000000 34.48700 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: MONOMERIC REMARK 350 SOFTWARE DETERMINED QUATERNARY STRUCTURE: MONOMERIC REMARK 350 SOFTWARE USED: PISA REMARK 350 TOTAL BURIED SURFACE AREA: 450 ANGSTROM**2 REMARK 350 SURFACE AREA OF THE COMPLEX: 15100 ANGSTROM**2 REMARK 350 CHANGE IN SOLVENT FREE ENERGY: -12.0 KCAL/MOL 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 A1417 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 817 REMARK 465 HIS A 818 REMARK 465 HIS A 819 REMARK 465 HIS A 820 REMARK 465 HIS A 821 REMARK 465 HIS A 822 REMARK 465 HIS A 823 REMARK 465 SER A 824 REMARK 465 SER A 825 REMARK 465 GLY A 826 REMARK 465 VAL A 827 REMARK 465 ASP A 828 REMARK 465 LEU A 829 REMARK 465 GLY A 830 REMARK 465 THR A 831 REMARK 465 GLU A 832 REMARK 470 REMARK 470 MISSING ATOM REMARK 470 THE FOLLOWING RESIDUES HAVE MISSING ATOMS (M=MODEL NUMBER; REMARK 470 RES=RESIDUE NAME; C=CHAIN IDENTIFIER; SSEQ=SEQUENCE NUMBER; REMARK 470 I=INSERTION CODE): REMARK 470 M RES CSSEQI ATOMS REMARK 470 GLN A 837 CG CD OE1 NE2 REMARK 470 LYS A 857 CG CD CE NZ REMARK 470 ARG A 897 CG CD NE CZ NH1 NH2 REMARK 470 GLU A1012 CG CD OE1 OE2 REMARK 470 LYS A1053 CG CD CE NZ 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 DISTANCE REMARK 500 OE1 GLN A 853 O HOH A 1301 2.03 REMARK 500 REMARK 500 REMARK: NULL 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 GLN A 872 87.27 -41.90 REMARK 500 ASP A 873 19.40 -151.95 REMARK 500 ARG A 975 -8.47 76.73 REMARK 500 ASP A 976 45.82 -141.52 REMARK 500 GLU A1052 -105.05 -128.77 REMARK 500 TRP A1106 46.70 -92.48 REMARK 500 REMARK 500 REMARK: NULL 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 NA A1204 NA REMARK 620 N RES CSSEQI ATOM REMARK 620 1 LEU A 849 O REMARK 620 2 GLY A1132 O 46.0 REMARK 620 3 MLI A1202 O9 96.2 51.7 REMARK 620 4 HOH A1405 O 77.6 123.0 172.3 REMARK 620 5 HOH A1416 O 95.5 83.0 87.7 97.2 REMARK 620 6 HOH A1418 O 83.8 95.2 90.4 84.5 178.0 REMARK 620 N 1 2 3 4 5 REMARK 620 REMARK 620 COORDINATION ANGLES FOR: M RES CSSEQI METAL REMARK 620 NA A1203 NA REMARK 620 N RES CSSEQI ATOM REMARK 620 1 LYS A 943 O REMARK 620 2 GLU A 946 OE1 94.9 REMARK 620 3 HOH A1401 O 71.0 100.3 REMARK 620 4 HOH A1433 O 88.1 82.8 159.0 REMARK 620 5 HOH A1442 O 88.7 172.6 87.0 90.8 REMARK 620 N 1 2 3 4 DBREF 9T1U A 840 1132 UNP O60674 JAK2_HUMAN 840 1132 SEQADV 9T1U MET A 817 UNP O60674 INITIATING METHIONINE SEQADV 9T1U HIS A 818 UNP O60674 EXPRESSION TAG SEQADV 9T1U HIS A 819 UNP O60674 EXPRESSION TAG SEQADV 9T1U HIS A 820 UNP O60674 EXPRESSION TAG SEQADV 9T1U HIS A 821 UNP O60674 EXPRESSION TAG SEQADV 9T1U HIS A 822 UNP O60674 EXPRESSION TAG SEQADV 9T1U HIS A 823 UNP O60674 EXPRESSION TAG SEQADV 9T1U SER A 824 UNP O60674 EXPRESSION TAG SEQADV 9T1U SER A 825 UNP O60674 EXPRESSION TAG SEQADV 9T1U GLY A 826 UNP O60674 EXPRESSION TAG SEQADV 9T1U VAL A 827 UNP O60674 EXPRESSION TAG SEQADV 9T1U ASP A 828 UNP O60674 EXPRESSION TAG SEQADV 9T1U LEU A 829 UNP O60674 EXPRESSION TAG SEQADV 9T1U GLY A 830 UNP O60674 EXPRESSION TAG SEQADV 9T1U THR A 831 UNP O60674 EXPRESSION TAG SEQADV 9T1U GLU A 832 UNP O60674 EXPRESSION TAG SEQADV 9T1U ASN A 833 UNP O60674 EXPRESSION TAG SEQADV 9T1U LEU A 834 UNP O60674 EXPRESSION TAG SEQADV 9T1U TYR A 835 UNP O60674 EXPRESSION TAG SEQADV 9T1U PHE A 836 UNP O60674 EXPRESSION TAG SEQADV 9T1U GLN A 837 UNP O60674 EXPRESSION TAG SEQADV 9T1U SER A 838 UNP O60674 EXPRESSION TAG SEQADV 9T1U MET A 839 UNP O60674 EXPRESSION TAG SEQRES 1 A 316 MET HIS HIS HIS HIS HIS HIS SER SER GLY VAL ASP LEU SEQRES 2 A 316 GLY THR GLU ASN LEU TYR PHE GLN SER MET ASP PRO THR SEQRES 3 A 316 GLN PHE GLU GLU ARG HIS LEU LYS PHE LEU GLN GLN LEU SEQRES 4 A 316 GLY LYS GLY ASN PHE GLY SER VAL GLU MET CYS ARG TYR SEQRES 5 A 316 ASP PRO LEU GLN ASP ASN THR GLY GLU VAL VAL ALA VAL SEQRES 6 A 316 LYS LYS LEU GLN HIS SER THR GLU GLU HIS LEU ARG ASP SEQRES 7 A 316 PHE GLU ARG GLU ILE GLU ILE LEU LYS SER LEU GLN HIS SEQRES 8 A 316 ASP ASN ILE VAL LYS TYR LYS GLY VAL CYS TYR SER ALA SEQRES 9 A 316 GLY ARG ARG ASN LEU LYS LEU ILE MET GLU TYR LEU PRO SEQRES 10 A 316 TYR GLY SER LEU ARG ASP TYR LEU GLN LYS HIS LYS GLU SEQRES 11 A 316 ARG ILE ASP HIS ILE LYS LEU LEU GLN TYR THR SER GLN SEQRES 12 A 316 ILE CYS LYS GLY MET GLU TYR LEU GLY THR LYS ARG TYR SEQRES 13 A 316 ILE HIS ARG ASP LEU ALA THR ARG ASN ILE LEU VAL GLU SEQRES 14 A 316 ASN GLU ASN ARG VAL LYS ILE GLY ASP PHE GLY LEU THR SEQRES 15 A 316 LYS VAL LEU PRO GLN ASP LYS GLU PTR PTR LYS VAL LYS SEQRES 16 A 316 GLU PRO GLY GLU SER PRO ILE PHE TRP TYR ALA PRO GLU SEQRES 17 A 316 SER LEU THR GLU SER LYS PHE SER VAL ALA SER ASP VAL SEQRES 18 A 316 TRP SER PHE GLY VAL VAL LEU TYR GLU LEU PHE THR TYR SEQRES 19 A 316 ILE GLU LYS SER LYS SER PRO PRO ALA GLU PHE MET ARG SEQRES 20 A 316 MET ILE GLY ASN ASP LYS GLN GLY GLN MET ILE VAL PHE SEQRES 21 A 316 HIS LEU ILE GLU LEU LEU LYS ASN ASN GLY ARG LEU PRO SEQRES 22 A 316 ARG PRO ASP GLY CYS PRO ASP GLU ILE TYR MET ILE MET SEQRES 23 A 316 THR GLU CYS TRP ASN ASN ASN VAL ASN GLN ARG PRO SER SEQRES 24 A 316 PHE ARG ASP LEU ALA LEU ARG VAL ASP GLN ILE ARG ASP SEQRES 25 A 316 ASN MET ALA GLY MODRES 9T1U PTR A 1007 TYR MODIFIED RESIDUE MODRES 9T1U PTR A 1008 TYR MODIFIED RESIDUE HET PTR A1007 24 HET PTR A1008 23 HET RXT A1201 41 HET MLI A1202 9 HET NA A1203 1 HET NA A1204 1 HETNAM PTR O-PHOSPHOTYROSINE HETNAM RXT (3R)-3-CYCLOPENTYL-3-[4-(7H-PYRROLO[2,3-D]PYRIMIDIN-4- HETNAM 2 RXT YL)-1H-PYRAZOL-1-YL]PROPANENITRILE HETNAM MLI MALONATE ION HETNAM NA SODIUM ION HETSYN PTR PHOSPHONOTYROSINE HETSYN RXT RUXOLITINIB FORMUL 1 PTR 2(C9 H12 N O6 P) FORMUL 2 RXT C17 H18 N6 FORMUL 3 MLI C3 H2 O4 2- FORMUL 4 NA 2(NA 1+) FORMUL 6 HOH *159(H2 O) HELIX 1 AA1 GLU A 845 ARG A 847 5 3 HELIX 2 AA2 THR A 888 SER A 904 1 17 HELIX 3 AA3 TYR A 918 ARG A 923 1 6 HELIX 4 AA4 SER A 936 HIS A 944 1 9 HELIX 5 AA5 LYS A 945 ILE A 948 5 4 HELIX 6 AA6 ASP A 949 LYS A 970 1 22 HELIX 7 AA7 ALA A 978 ARG A 980 5 3 HELIX 8 AA8 PRO A 1017 TYR A 1021 5 5 HELIX 9 AA9 ALA A 1022 SER A 1029 1 8 HELIX 10 AB1 VAL A 1033 ILE A 1051 1 19 HELIX 11 AB2 SER A 1056 GLY A 1066 1 11 HELIX 12 AB3 GLY A 1071 ASN A 1084 1 14 HELIX 13 AB4 PRO A 1095 TRP A 1106 1 12 HELIX 14 AB5 ASN A 1109 ARG A 1113 5 5 HELIX 15 AB6 SER A 1115 ASN A 1129 1 15 SHEET 1 AA1 5 LEU A 849 LYS A 857 0 SHEET 2 AA1 5 GLY A 861 TYR A 868 -1 O ARG A 867 N LYS A 850 SHEET 3 AA1 5 GLU A 877 LEU A 884 -1 O GLU A 877 N TYR A 868 SHEET 4 AA1 5 LYS A 926 GLU A 930 -1 O MET A 929 N ALA A 880 SHEET 5 AA1 5 TYR A 913 CYS A 917 -1 N LYS A 914 O ILE A 928 SHEET 1 AA2 2 TYR A 972 ILE A 973 0 SHEET 2 AA2 2 LYS A 999 VAL A1000 -1 O LYS A 999 N ILE A 973 SHEET 1 AA3 2 ILE A 982 ASN A 986 0 SHEET 2 AA3 2 ARG A 989 ILE A 992 -1 O LYS A 991 N LEU A 983 SHEET 1 AA4 2 PTR A1007 LYS A1009 0 SHEET 2 AA4 2 LYS A1030 SER A1032 -1 O PHE A1031 N PTR A1008 LINK C GLU A1006 N PTR A1007 1555 1555 1.33 LINK C PTR A1007 N PTR A1008 1555 1555 1.32 LINK C PTR A1008 N LYS A1009 1555 1555 1.33 LINK O LEU A 849 NA NA A1204 1555 1555 2.44 LINK O LYS A 943 NA NA A1203 1555 1555 2.46 LINK OE1 GLU A 946 NA NA A1203 1555 1555 2.48 LINK O GLY A1132 NA NA A1204 1555 1554 2.57 LINK O9 MLI A1202 NA NA A1204 1555 1555 2.37 LINK NA NA A1203 O HOH A1401 1555 1555 2.64 LINK NA NA A1203 O HOH A1433 1555 1555 2.29 LINK NA NA A1203 O HOH A1442 1555 1555 2.32 LINK NA NA A1204 O HOH A1405 1555 1555 2.31 LINK NA NA A1204 O HOH A1416 1555 1555 2.69 LINK NA NA A1204 O HOH A1418 1555 1555 2.26 CRYST1 107.654 68.974 49.721 90.00 99.62 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 0.009289 0.000000 0.001575 0.00000 SCALE2 0.000000 0.014498 0.000000 0.00000 SCALE3 0.000000 0.000000 0.020399 0.00000 CONECT 260 5025 CONECT 1789 5024 CONECT 1854 5024 CONECT 2885 2898 CONECT 2898 2885 2899 2914 CONECT 2899 2898 2900 2902 2915 CONECT 2900 2899 2901 2922 CONECT 2901 2900 CONECT 2902 2899 2903 2916 2917 CONECT 2903 2902 2904 2905 CONECT 2904 2903 2906 2918 CONECT 2905 2903 2907 2919 CONECT 2906 2904 2908 2920 CONECT 2907 2905 2908 2921 CONECT 2908 2906 2907 2909 CONECT 2909 2908 2910 CONECT 2910 2909 2911 2912 2913 CONECT 2911 2910 CONECT 2912 2910 CONECT 2913 2910 CONECT 2914 2898 CONECT 2915 2899 CONECT 2916 2902 CONECT 2917 2902 CONECT 2918 2904 CONECT 2919 2905 CONECT 2920 2906 CONECT 2921 2907 CONECT 2922 2900 2923 CONECT 2923 2922 2924 2926 2938 CONECT 2924 2923 2925 2945 CONECT 2925 2924 CONECT 2926 2923 2927 2939 2940 CONECT 2927 2926 2928 2929 CONECT 2928 2927 2930 2941 CONECT 2929 2927 2931 2942 CONECT 2930 2928 2932 2943 CONECT 2931 2929 2932 2944 CONECT 2932 2930 2931 2933 CONECT 2933 2932 2934 CONECT 2934 2933 2935 2936 2937 CONECT 2935 2934 CONECT 2936 2934 CONECT 2937 2934 CONECT 2938 2923 CONECT 2939 2926 CONECT 2940 2926 CONECT 2941 2928 CONECT 2942 2929 CONECT 2943 2930 CONECT 2944 2931 CONECT 2945 2924 CONECT 4974 4975 4978 4997 4998 CONECT 4975 4974 4976 4999 5000 CONECT 4976 4975 4977 5001 5002 CONECT 4977 4976 4978 5003 5004 CONECT 4978 4974 4977 4979 5005 CONECT 4979 4978 4980 4983 5006 CONECT 4980 4979 4981 5007 5008 CONECT 4981 4980 4982 CONECT 4982 4981 CONECT 4983 4979 4984 4985 CONECT 4984 4983 4987 5009 CONECT 4985 4983 4986 CONECT 4986 4985 4987 5010 CONECT 4987 4984 4986 4988 CONECT 4988 4987 4989 4993 CONECT 4989 4988 4990 CONECT 4990 4989 4991 5011 CONECT 4991 4990 4992 CONECT 4992 4991 4993 4996 CONECT 4993 4988 4992 4994 CONECT 4994 4993 4995 5012 CONECT 4995 4994 4996 5013 CONECT 4996 4992 4995 5014 CONECT 4997 4974 CONECT 4998 4974 CONECT 4999 4975 CONECT 5000 4975 CONECT 5001 4976 CONECT 5002 4976 CONECT 5003 4977 CONECT 5004 4977 CONECT 5005 4978 CONECT 5006 4979 CONECT 5007 4980 CONECT 5008 4980 CONECT 5009 4984 CONECT 5010 4986 CONECT 5011 4990 CONECT 5012 4994 CONECT 5013 4995 CONECT 5014 4996 CONECT 5015 5016 5017 5022 5023 CONECT 5016 5015 5018 5019 CONECT 5017 5015 5020 5021 CONECT 5018 5016 CONECT 5019 5016 CONECT 5020 5017 CONECT 5021 5017 5025 CONECT 5022 5015 CONECT 5023 5015 CONECT 5024 1789 1854 5127 5160 CONECT 5024 5170 CONECT 5025 260 5021 5131 5142 CONECT 5025 5144 CONECT 5127 5024 CONECT 5131 5025 CONECT 5142 5025 CONECT 5144 5025 CONECT 5160 5024 CONECT 5170 5024 MASTER 306 0 6 15 11 0 0 6 2657 1 112 25 END