PDB Short entry for 4P5Q HEADER TRANSFERASE 19-MAR-14 4P5Q TITLE HUMAN EPHA3 KINASE DOMAIN IN COMPLEX WITH QUINOXALINE DERIVATIVES COMPND MOL_ID: 1; COMPND 2 MOLECULE: EPHRIN TYPE-A RECEPTOR 3; COMPND 3 CHAIN: A; COMPND 4 FRAGMENT: KINASE DOMAIN, RESIDUES 606-947; COMPND 5 SYNONYM: EPH-LIKE KINASE 4, HEK4, HEK, HUMAN EMBRYO KINASE, TYROSINE- COMPND 6 PROTEIN KINASE TYRO4, TYROSINE-PROTEIN KINASE RECEPTOR ETK1, EPH-LIKE COMPND 7 TYROSINE KINASE 1, EPH RECEPTOR A3; COMPND 8 EC: 2.7.10.1; COMPND 9 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: EPHA3, ETK, ETK1, HEK, TYRO4; SOURCE 6 EXPRESSION_SYSTEM: ESCHERICHIA COLI; SOURCE 7 EXPRESSION_SYSTEM_TAXID: 469008; SOURCE 8 EXPRESSION_SYSTEM_STRAIN: BL21(DE3); SOURCE 9 EXPRESSION_SYSTEM_VECTOR_TYPE: PLASMID; SOURCE 10 EXPRESSION_SYSTEM_PLASMID: P28-LIC-THROMBIN KEYWDS TRANSFERASE, TRANSFERASE INHIBITOR EXPDTA X-RAY DIFFRACTION AUTHOR J.DONG,A.CAFLISCH REVDAT 3 20-DEC-23 4P5Q 1 REMARK REVDAT 2 27-AUG-14 4P5Q 1 JRNL REVDAT 1 13-AUG-14 4P5Q 0 JRNL AUTH A.UNZUE,J.DONG,K.LAFLEUR,H.ZHAO,E.FRUGIER,A.CAFLISCH, JRNL AUTH 2 C.NEVADO JRNL TITL PYRROLO[3,2-B]QUINOXALINE DERIVATIVES AS TYPES I1/2 AND II JRNL TITL 2 EPH TYROSINE KINASE INHIBITORS: STRUCTURE-BASED DESIGN, JRNL TITL 3 SYNTHESIS, AND IN VIVO VALIDATION. JRNL REF J.MED.CHEM. V. 57 6834 2014 JRNL REFN ISSN 0022-2623 JRNL PMID 25076195 JRNL DOI 10.1021/JM5009242 REMARK 2 REMARK 2 RESOLUTION. 1.35 ANGSTROMS. REMARK 3 REMARK 3 REFINEMENT. REMARK 3 PROGRAM : PHENIX (PHENIX.REFINE: 1.8.4_1496) 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 : ML REMARK 3 REMARK 3 DATA USED IN REFINEMENT. REMARK 3 RESOLUTION RANGE HIGH (ANGSTROMS) : 1.35 REMARK 3 RESOLUTION RANGE LOW (ANGSTROMS) : 39.19 REMARK 3 MIN(FOBS/SIGMA_FOBS) : 1.890 REMARK 3 COMPLETENESS FOR RANGE (%) : 96.7 REMARK 3 NUMBER OF REFLECTIONS : 63995 REMARK 3 REMARK 3 FIT TO DATA USED IN REFINEMENT. REMARK 3 R VALUE (WORKING + TEST SET) : 0.158 REMARK 3 R VALUE (WORKING SET) : 0.157 REMARK 3 FREE R VALUE : 0.182 REMARK 3 FREE R VALUE TEST SET SIZE (%) : 3.130 REMARK 3 FREE R VALUE TEST SET COUNT : 2000 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 39.2058 - 3.2513 0.82 3873 124 0.1742 0.1799 REMARK 3 2 3.2513 - 2.5808 0.99 4583 148 0.1604 0.1489 REMARK 3 3 2.5808 - 2.2546 0.99 4544 148 0.1505 0.2053 REMARK 3 4 2.2546 - 2.0485 0.99 4529 146 0.1423 0.1761 REMARK 3 5 2.0485 - 1.9017 0.99 4528 146 0.1402 0.1779 REMARK 3 6 1.9017 - 1.7895 0.99 4533 146 0.1405 0.1991 REMARK 3 7 1.7895 - 1.6999 0.98 4498 144 0.1360 0.1587 REMARK 3 8 1.6999 - 1.6259 0.98 4486 146 0.1355 0.1821 REMARK 3 9 1.6259 - 1.5633 0.98 4455 143 0.1427 0.1876 REMARK 3 10 1.5633 - 1.5094 0.98 4429 143 0.1520 0.2043 REMARK 3 11 1.5094 - 1.4622 0.97 4437 143 0.1578 0.2032 REMARK 3 12 1.4622 - 1.4204 0.97 4435 143 0.1731 0.2045 REMARK 3 13 1.4204 - 1.3830 0.97 4445 144 0.2029 0.2173 REMARK 3 14 1.3830 - 1.3493 0.94 4220 136 0.2412 0.2690 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) : 0.110 REMARK 3 PHASE ERROR (DEGREES, MAXIMUM-LIKELIHOOD BASED) : 17.440 REMARK 3 REMARK 3 B VALUES. REMARK 3 FROM WILSON PLOT (A**2) : NULL REMARK 3 MEAN B VALUE (OVERALL, A**2) : NULL 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 : 0.005 2336 REMARK 3 ANGLE : 1.257 3171 REMARK 3 CHIRALITY : 0.037 344 REMARK 3 PLANARITY : 0.004 406 REMARK 3 DIHEDRAL : 14.467 880 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 4P5Q COMPLIES WITH FORMAT V. 3.30, 13-JUL-11 REMARK 100 REMARK 100 THIS ENTRY HAS BEEN PROCESSED BY PDBE ON 21-MAR-14. REMARK 100 THE DEPOSITION ID IS D_1000200680. REMARK 200 REMARK 200 EXPERIMENTAL DETAILS REMARK 200 EXPERIMENT TYPE : X-RAY DIFFRACTION REMARK 200 DATE OF DATA COLLECTION : 22-FEB-13 REMARK 200 TEMPERATURE (KELVIN) : 100 REMARK 200 PH : 6.5 REMARK 200 NUMBER OF CRYSTALS USED : 1 REMARK 200 REMARK 200 SYNCHROTRON (Y/N) : Y REMARK 200 RADIATION SOURCE : SLS REMARK 200 BEAMLINE : X06SA REMARK 200 X-RAY GENERATOR MODEL : NULL REMARK 200 MONOCHROMATIC OR LAUE (M/L) : M REMARK 200 WAVELENGTH OR RANGE (A) : 0.99989 REMARK 200 MONOCHROMATOR : NULL REMARK 200 OPTICS : NULL REMARK 200 REMARK 200 DETECTOR TYPE : PIXEL REMARK 200 DETECTOR MANUFACTURER : PSI PILATUS 6M REMARK 200 INTENSITY-INTEGRATION SOFTWARE : XDS VERSION JANUARY 10, 2014 REMARK 200 BUILT=20140115 REMARK 200 DATA SCALING SOFTWARE : AIMLESS VESION: 0.2.17 REMARK 200 REMARK 200 NUMBER OF UNIQUE REFLECTIONS : 64017 REMARK 200 RESOLUTION RANGE HIGH (A) : 1.350 REMARK 200 RESOLUTION RANGE LOW (A) : 47.480 REMARK 200 REJECTION CRITERIA (SIGMA(I)) : NULL REMARK 200 REMARK 200 OVERALL. REMARK 200 COMPLETENESS FOR RANGE (%) : 97.1 REMARK 200 DATA REDUNDANCY : 4.100 REMARK 200 R MERGE (I) : 0.04900 REMARK 200 R SYM (I) : NULL REMARK 200 <I/SIGMA(I)> FOR THE DATA SET : 15.9000 REMARK 200 REMARK 200 IN THE HIGHEST RESOLUTION SHELL. REMARK 200 HIGHEST RESOLUTION SHELL, RANGE HIGH (A) : 1.35 REMARK 200 HIGHEST RESOLUTION SHELL, RANGE LOW (A) : 1.37 REMARK 200 COMPLETENESS FOR SHELL (%) : 93.2 REMARK 200 DATA REDUNDANCY IN SHELL : 4.00 REMARK 200 R MERGE FOR SHELL (I) : 0.70500 REMARK 200 R SYM FOR SHELL (I) : NULL REMARK 200 <I/SIGMA(I)> FOR SHELL : 2.100 REMARK 200 REMARK 200 DIFFRACTION PROTOCOL: SINGLE WAVELENGTH REMARK 200 METHOD USED TO DETERMINE THE STRUCTURE: MOLECULAR REPLACEMENT REMARK 200 SOFTWARE USED: PHASER 2.5.6 REMARK 200 STARTING MODEL: 2QOB REMARK 200 REMARK 200 REMARK: NULL REMARK 280 REMARK 280 CRYSTAL REMARK 280 SOLVENT CONTENT, VS (%): 34.22 REMARK 280 MATTHEWS COEFFICIENT, VM (ANGSTROMS**3/DA): 1.87 REMARK 280 REMARK 280 CRYSTALLIZATION CONDITIONS: 0.1M SODIUM CACODYLATE PH 6.5, 0.15M REMARK 280 AMMONIUM SULF ATE, 22.5% PEG 3350, VAPOR DIFFUSION, HANGING DROP, REMARK 280 TEMPERATURE 293.0K REMARK 290 REMARK 290 CRYSTALLOGRAPHIC SYMMETRY REMARK 290 SYMMETRY OPERATORS FOR SPACE GROUP: P 1 21 1 REMARK 290 REMARK 290 SYMOP SYMMETRY REMARK 290 NNNMMM OPERATOR REMARK 290 1555 X,Y,Z REMARK 290 2555 -X,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 19.09800 REMARK 290 SMTRY3 2 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 SOFTWARE DETERMINED QUATERNARY STRUCTURE: MONOMERIC REMARK 350 SOFTWARE USED: PISA REMARK 350 TOTAL BURIED SURFACE AREA: 0 ANGSTROM**2 REMARK 350 SURFACE AREA OF THE COMPLEX: 13170 ANGSTROM**2 REMARK 350 CHANGE IN SOLVENT FREE ENERGY: 0.0 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 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 587 REMARK 465 GLY A 588 REMARK 465 SER A 589 REMARK 465 SER A 590 REMARK 465 HIS A 591 REMARK 465 HIS A 592 REMARK 465 HIS A 593 REMARK 465 HIS A 594 REMARK 465 HIS A 595 REMARK 465 HIS A 596 REMARK 465 SER A 597 REMARK 465 SER A 598 REMARK 465 GLY A 599 REMARK 465 LEU A 600 REMARK 465 VAL A 601 REMARK 465 PRO A 602 REMARK 465 ARG A 603 REMARK 465 GLY A 604 REMARK 465 SER A 605 REMARK 465 THR A 606 REMARK 465 GLN A 607 REMARK 465 THR A 608 REMARK 465 VAL A 770 REMARK 465 LEU A 771 REMARK 465 GLU A 772 REMARK 465 ASP A 773 REMARK 465 ASP A 774 REMARK 465 PRO A 775 REMARK 465 GLU A 776 REMARK 465 ALA A 777 REMARK 465 ALA A 778 REMARK 465 TYR A 779 REMARK 465 THR A 780 REMARK 465 THR A 781 REMARK 465 ARG A 782 REMARK 465 GLY A 783 REMARK 465 GLY A 784 REMARK 465 LYS A 785 REMARK 465 SER A 893 REMARK 465 ALA A 894 REMARK 465 ALA A 895 REMARK 465 ALA A 896 REMARK 465 ARG A 897 REMARK 465 GLN A 905 REMARK 465 SER A 906 REMARK 465 ASN A 907 REMARK 465 VAL A 908 REMARK 465 ASP A 909 REMARK 465 ILE A 910 REMARK 465 THR A 911 REMARK 465 THR A 912 REMARK 465 PHE A 913 REMARK 465 ARG A 914 REMARK 465 THR A 915 REMARK 465 THR A 916 REMARK 465 GLY A 917 REMARK 465 ASP A 918 REMARK 465 TRP A 919 REMARK 465 LEU A 920 REMARK 465 ASN A 921 REMARK 465 GLY A 922 REMARK 465 VAL A 923 REMARK 465 TRP A 924 REMARK 465 THR A 925 REMARK 465 ALA A 926 REMARK 465 HIS A 927 REMARK 465 CYS A 928 REMARK 465 LYS A 929 REMARK 465 GLU A 930 REMARK 465 ILE A 931 REMARK 465 PHE A 932 REMARK 465 THR A 933 REMARK 465 GLY A 934 REMARK 465 VAL A 935 REMARK 465 GLU A 936 REMARK 465 TYR A 937 REMARK 465 SER A 938 REMARK 465 SER A 939 REMARK 465 CYS A 940 REMARK 465 ASP A 941 REMARK 465 THR A 942 REMARK 465 ILE A 943 REMARK 465 ALA A 944 REMARK 465 LYS A 945 REMARK 465 ILE A 946 REMARK 465 SER A 947 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 LEU A 767 CB CG CD1 CD2 REMARK 470 SER A 768 CB OG REMARK 470 LYS A 889 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 O HOH A 1171 O HOH A 1329 1.98 REMARK 500 O HOH A 1312 O HOH A 1316 2.00 REMARK 500 O HOH A 1312 O HOH A 1318 2.04 REMARK 500 O HOH A 1312 O HOH A 1317 2.06 REMARK 500 NH1 ARG A 769 O HOH A 1282 2.15 REMARK 500 O HOH A 1245 O HOH A 1305 2.16 REMARK 500 REMARK 500 REMARK: NULL 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 A 1201 O HOH A 1203 2454 2.17 REMARK 500 REMARK 500 REMARK: NULL 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 PROTEIN: ENGH AND HUBER, 1999 REMARK 500 EXPECTED VALUES NUCLEIC ACID: CLOWNEY ET AL 1996 REMARK 500 REMARK 500 M RES CSSEQI ATM1 ATM2 ATM3 REMARK 500 ASP A 624 CB - CG - OD2 ANGL. DEV. = 5.6 DEGREES REMARK 500 ASP A 904 CB - CG - OD1 ANGL. DEV. = 5.8 DEGREES 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 LYS A 645 -8.51 82.11 REMARK 500 ARG A 745 -8.33 71.58 REMARK 500 ASP A 764 76.17 65.28 REMARK 500 ASP A 764 76.17 65.75 REMARK 500 PHE A 765 30.73 -99.61 REMARK 500 TYR A 798 33.19 -151.29 REMARK 500 TRP A 826 -128.54 48.54 REMARK 500 TRP A 826 -128.90 48.54 REMARK 500 REMARK 500 REMARK: NULL REMARK 500 REMARK 500 GEOMETRY AND STEREOCHEMISTRY REMARK 500 SUBTOPIC: NON-CIS, NON-TRANS REMARK 500 REMARK 500 THE FOLLOWING PEPTIDE BONDS DEVIATE SIGNIFICANTLY FROM BOTH REMARK 500 CIS AND TRANS CONFORMATION. CIS BONDS, IF ANY, ARE LISTED REMARK 500 ON CISPEP RECORDS. TRANS IS DEFINED AS 180 +/- 30 AND REMARK 500 CIS IS DEFINED AS 0 +/- 30 DEGREES. REMARK 500 MODEL OMEGA REMARK 500 LEU A 903 ASP A 904 -141.31 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 A1360 DISTANCE = 5.91 ANGSTROMS REMARK 800 REMARK 800 SITE REMARK 800 SITE_IDENTIFIER: AC1 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: binding site for residue Q0B A 1001 DBREF 4P5Q A 606 947 UNP P29320 EPHA3_HUMAN 606 947 SEQADV 4P5Q MET A 587 UNP P29320 INITIATING METHIONINE SEQADV 4P5Q GLY A 588 UNP P29320 EXPRESSION TAG SEQADV 4P5Q SER A 589 UNP P29320 EXPRESSION TAG SEQADV 4P5Q SER A 590 UNP P29320 EXPRESSION TAG SEQADV 4P5Q HIS A 591 UNP P29320 EXPRESSION TAG SEQADV 4P5Q HIS A 592 UNP P29320 EXPRESSION TAG SEQADV 4P5Q HIS A 593 UNP P29320 EXPRESSION TAG SEQADV 4P5Q HIS A 594 UNP P29320 EXPRESSION TAG SEQADV 4P5Q HIS A 595 UNP P29320 EXPRESSION TAG SEQADV 4P5Q HIS A 596 UNP P29320 EXPRESSION TAG SEQADV 4P5Q SER A 597 UNP P29320 EXPRESSION TAG SEQADV 4P5Q SER A 598 UNP P29320 EXPRESSION TAG SEQADV 4P5Q GLY A 599 UNP P29320 EXPRESSION TAG SEQADV 4P5Q LEU A 600 UNP P29320 EXPRESSION TAG SEQADV 4P5Q VAL A 601 UNP P29320 EXPRESSION TAG SEQADV 4P5Q PRO A 602 UNP P29320 EXPRESSION TAG SEQADV 4P5Q ARG A 603 UNP P29320 EXPRESSION TAG SEQADV 4P5Q GLY A 604 UNP P29320 EXPRESSION TAG SEQADV 4P5Q SER A 605 UNP P29320 EXPRESSION TAG SEQADV 4P5Q THR A 608 UNP P29320 ALA 608 CONFLICT SEQRES 1 A 361 MET GLY SER SER HIS HIS HIS HIS HIS HIS SER SER GLY SEQRES 2 A 361 LEU VAL PRO ARG GLY SER THR GLN THR VAL HIS GLU PHE SEQRES 3 A 361 ALA LYS GLU LEU ASP ALA THR ASN ILE SER ILE ASP LYS SEQRES 4 A 361 VAL VAL GLY ALA GLY GLU PHE GLY GLU VAL CYS SER GLY SEQRES 5 A 361 ARG LEU LYS LEU PRO SER LYS LYS GLU ILE SER VAL ALA SEQRES 6 A 361 ILE LYS THR LEU LYS VAL GLY TYR THR GLU LYS GLN ARG SEQRES 7 A 361 ARG ASP PHE LEU GLY GLU ALA SER ILE MET GLY GLN PHE SEQRES 8 A 361 ASP HIS PRO ASN ILE ILE ARG LEU GLU GLY VAL VAL THR SEQRES 9 A 361 LYS SER LYS PRO VAL MET ILE VAL THR GLU TYR MET GLU SEQRES 10 A 361 ASN GLY SER LEU ASP SER PHE LEU ARG LYS HIS ASP ALA SEQRES 11 A 361 GLN PHE THR VAL ILE GLN LEU VAL GLY MET LEU ARG GLY SEQRES 12 A 361 ILE ALA SER GLY MET LYS TYR LEU SER ASP MET GLY TYR SEQRES 13 A 361 VAL HIS ARG ASP LEU ALA ALA ARG ASN ILE LEU ILE ASN SEQRES 14 A 361 SER ASN LEU VAL CYS LYS VAL SER ASP PHE GLY LEU SER SEQRES 15 A 361 ARG VAL LEU GLU ASP ASP PRO GLU ALA ALA TYR THR THR SEQRES 16 A 361 ARG GLY GLY LYS ILE PRO ILE ARG TRP THR SER PRO GLU SEQRES 17 A 361 ALA ILE ALA TYR ARG LYS PHE THR SER ALA SER ASP VAL SEQRES 18 A 361 TRP SER TYR GLY ILE VAL LEU TRP GLU VAL MET SER TYR SEQRES 19 A 361 GLY GLU ARG PRO TYR TRP GLU MET SER ASN GLN ASP VAL SEQRES 20 A 361 ILE LYS ALA VAL ASP GLU GLY TYR ARG LEU PRO PRO PRO SEQRES 21 A 361 MET ASP CYS PRO ALA ALA LEU TYR GLN LEU MET LEU ASP SEQRES 22 A 361 CYS TRP GLN LYS ASP ARG ASN ASN ARG PRO LYS PHE GLU SEQRES 23 A 361 GLN ILE VAL SER ILE LEU ASP LYS LEU ILE ARG ASN PRO SEQRES 24 A 361 GLY SER LEU LYS ILE ILE THR SER ALA ALA ALA ARG PRO SEQRES 25 A 361 SER ASN LEU LEU LEU ASP GLN SER ASN VAL ASP ILE THR SEQRES 26 A 361 THR PHE ARG THR THR GLY ASP TRP LEU ASN GLY VAL TRP SEQRES 27 A 361 THR ALA HIS CYS LYS GLU ILE PHE THR GLY VAL GLU TYR SEQRES 28 A 361 SER SER CYS ASP THR ILE ALA LYS ILE SER HET Q0B A1001 30 HETNAM Q0B 2-AMINO-1-(2-CHLOROPHENYL)-N-(3-ETHOXYPROPYL)-1H- HETNAM 2 Q0B PYRROLO[2,3-B]QUINOXALINE-3-CARBOXAMIDE FORMUL 2 Q0B C22 H22 CL N5 O2 FORMUL 3 HOH *263(H2 O) HELIX 1 AA1 ASP A 617 THR A 619 5 3 HELIX 2 AA2 THR A 660 GLY A 675 1 16 HELIX 3 AA3 SER A 706 LYS A 713 1 8 HELIX 4 AA4 THR A 719 MET A 740 1 22 HELIX 5 AA5 ALA A 748 ARG A 750 5 3 HELIX 6 AA6 PRO A 787 THR A 791 5 5 HELIX 7 AA7 SER A 792 ARG A 799 1 8 HELIX 8 AA8 THR A 802 SER A 819 1 18 HELIX 9 AA9 SER A 829 GLU A 839 1 11 HELIX 10 AB1 PRO A 850 TRP A 861 1 12 HELIX 11 AB2 ASP A 864 ARG A 868 5 5 HELIX 12 AB3 LYS A 870 ASN A 884 1 15 HELIX 13 AB4 PRO A 885 ILE A 890 5 6 SHEET 1 AA1 5 ILE A 621 ALA A 629 0 SHEET 2 AA1 5 GLU A 634 LYS A 641 -1 O VAL A 635 N GLY A 628 SHEET 3 AA1 5 GLU A 647 THR A 654 -1 O ILE A 652 N CYS A 636 SHEET 4 AA1 5 MET A 696 GLU A 700 -1 O ILE A 697 N LYS A 653 SHEET 5 AA1 5 LEU A 685 VAL A 689 -1 N GLY A 687 O VAL A 698 SHEET 1 AA2 2 ILE A 752 ILE A 754 0 SHEET 2 AA2 2 CYS A 760 VAL A 762 -1 O LYS A 761 N LEU A 753 SHEET 1 AA3 2 TYR A 841 ARG A 842 0 SHEET 2 AA3 2 LEU A 902 LEU A 903 -1 O LEU A 902 N ARG A 842 CISPEP 1 LYS A 693 PRO A 694 0 4.74 SITE 1 AC1 12 VAL A 635 ALA A 651 LYS A 653 MET A 674 SITE 2 AC1 12 THR A 699 GLU A 700 TYR A 701 MET A 702 SITE 3 AC1 12 GLU A 703 GLY A 705 LEU A 753 SER A 763 CRYST1 53.374 38.196 75.771 90.00 101.61 90.00 P 1 21 1 2 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 0.018736 0.000000 0.003850 0.00000 SCALE2 0.000000 0.026181 0.000000 0.00000 SCALE3 0.000000 0.000000 0.013473 0.00000