HEADER SIGNALING PROTEIN 14-MAY-18 6GIN TITLE CRYSTAL STRUCTURE OF THE ACVR1 (ALK2) KINASE IN COMPLEX WITH AN TITLE 2 QUINAZOLINONE BASED ALK2 INHIBITOR WITH A 4-MORPHOLINOPHENYL SOLVENT TITLE 3 ACCESSIBLE GROUP. COMPND MOL_ID: 1; COMPND 2 MOLECULE: ACTIVIN RECEPTOR TYPE-1; COMPND 3 CHAIN: A, B; COMPND 4 SYNONYM: ACTIVIN RECEPTOR TYPE I,ACTR-I,ACTIVIN RECEPTOR-LIKE KINASE COMPND 5 2,ALK-2,SERINE/THREONINE-PROTEIN KINASE RECEPTOR R1,SKR1,TGF-B COMPND 6 SUPERFAMILY RECEPTOR TYPE I,TSR-I; COMPND 7 EC: 2.7.11.30; COMPND 8 ENGINEERED: YES; COMPND 9 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: ACVR1, ACVRLK2; SOURCE 6 EXPRESSION_SYSTEM: SPODOPTERA FRUGIPERDA; SOURCE 7 EXPRESSION_SYSTEM_TAXID: 7108; SOURCE 8 EXPRESSION_SYSTEM_CELL_LINE: SF9 KEYWDS KINASE, BMP, INHIBITOR, SIGNALLING, SIGNALING PROTEIN EXPDTA X-RAY DIFFRACTION AUTHOR E.WILLIAMS,L.HUDSON,G.A.BEZERRA,J.KOPEC,P.MAHAJAN,K.KUPINSKA, AUTHOR 2 S.HOELDER,N.BURGESS-BROWN,F.VON DELFT,C.H.ARROWSMITH,A.M.EDWARDS, AUTHOR 3 C.BOUNTRA,A.N.BULLOCK REVDAT 5 17-JAN-24 6GIN 1 REMARK REVDAT 4 03-APR-19 6GIN 1 SOURCE REVDAT 3 05-SEP-18 6GIN 1 JRNL REVDAT 2 22-AUG-18 6GIN 1 JRNL REVDAT 1 23-MAY-18 6GIN 0 JRNL AUTH L.HUDSON,J.MUI,S.VAZQUEZ,D.M.CARVALHO,E.WILLIAMS,C.JONES, JRNL AUTH 2 A.N.BULLOCK,S.HOELDER JRNL TITL NOVEL QUINAZOLINONE INHIBITORS OF ALK2 FLIP BETWEEN JRNL TITL 2 ALTERNATE BINDING MODES: STRUCTURE-ACTIVITY RELATIONSHIP, JRNL TITL 3 STRUCTURAL CHARACTERIZATION, KINASE PROFILING, AND CELLULAR JRNL TITL 4 PROOF OF CONCEPT. JRNL REF J. MED. CHEM. V. 61 7261 2018 JRNL REFN ISSN 1520-4804 JRNL PMID 30085668 JRNL DOI 10.1021/ACS.JMEDCHEM.8B00782 REMARK 2 REMARK 2 RESOLUTION. 2.20 ANGSTROMS. REMARK 3 REMARK 3 REFINEMENT. REMARK 3 PROGRAM : PHENIX 1.13-2998 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 : NULL REMARK 3 REMARK 3 DATA USED IN REFINEMENT. REMARK 3 RESOLUTION RANGE HIGH (ANGSTROMS) : 2.20 REMARK 3 RESOLUTION RANGE LOW (ANGSTROMS) : 73.42 REMARK 3 MIN(FOBS/SIGMA_FOBS) : 2.000 REMARK 3 COMPLETENESS FOR RANGE (%) : 99.7 REMARK 3 NUMBER OF REFLECTIONS : 36830 REMARK 3 REMARK 3 FIT TO DATA USED IN REFINEMENT. REMARK 3 R VALUE (WORKING + TEST SET) : NULL REMARK 3 R VALUE (WORKING SET) : 0.175 REMARK 3 FREE R VALUE : 0.228 REMARK 3 FREE R VALUE TEST SET SIZE (%) : 5.000 REMARK 3 FREE R VALUE TEST SET COUNT : NULL REMARK 3 REMARK 3 FIT TO DATA USED IN REFINEMENT (IN BINS). REMARK 3 BIN RESOLUTION RANGE COMPL. NWORK NFREE RWORK RFREE REMARK 3 REMARK 3 BULK SOLVENT MODELLING. REMARK 3 METHOD USED : NULL REMARK 3 SOLVENT RADIUS : NULL REMARK 3 SHRINKAGE RADIUS : NULL REMARK 3 K_SOL : NULL REMARK 3 B_SOL : NULL REMARK 3 REMARK 3 ERROR ESTIMATES. REMARK 3 COORDINATE ERROR (MAXIMUM-LIKELIHOOD BASED) : NULL REMARK 3 PHASE ERROR (DEGREES, MAXIMUM-LIKELIHOOD BASED) : NULL 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 : NULL NULL REMARK 3 ANGLE : NULL NULL REMARK 3 CHIRALITY : NULL NULL REMARK 3 PLANARITY : NULL NULL REMARK 3 DIHEDRAL : NULL NULL 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: USE OF TLS FACTORS IN REFINEMENT REMARK 4 REMARK 4 6GIN COMPLIES WITH FORMAT V. 3.30, 13-JUL-11 REMARK 100 REMARK 100 THIS ENTRY HAS BEEN PROCESSED BY PDBE ON 15-MAY-18. REMARK 100 THE DEPOSITION ID IS D_1200009991. REMARK 200 REMARK 200 EXPERIMENTAL DETAILS REMARK 200 EXPERIMENT TYPE : X-RAY DIFFRACTION REMARK 200 DATE OF DATA COLLECTION : 04-MAR-16 REMARK 200 TEMPERATURE (KELVIN) : 100 REMARK 200 PH : 8.5 REMARK 200 NUMBER OF CRYSTALS USED : 1 REMARK 200 REMARK 200 SYNCHROTRON (Y/N) : Y REMARK 200 RADIATION SOURCE : DIAMOND REMARK 200 BEAMLINE : I04 REMARK 200 X-RAY GENERATOR MODEL : NULL REMARK 200 MONOCHROMATIC OR LAUE (M/L) : M REMARK 200 WAVELENGTH OR RANGE (A) : 0.97949 REMARK 200 MONOCHROMATOR : DOUBLE CRYSTAL REMARK 200 OPTICS : COMPOUND REFRACTIVE LENSES REMARK 200 REMARK 200 DETECTOR TYPE : CCD REMARK 200 DETECTOR MANUFACTURER : ADSC QUANTUM 315 REMARK 200 INTENSITY-INTEGRATION SOFTWARE : IMOSFLM 7.2.2 REMARK 200 DATA SCALING SOFTWARE : AIMLESS 7.0.044 REMARK 200 REMARK 200 NUMBER OF UNIQUE REFLECTIONS : 36830 REMARK 200 RESOLUTION RANGE HIGH (A) : 2.200 REMARK 200 RESOLUTION RANGE LOW (A) : 86.390 REMARK 200 REJECTION CRITERIA (SIGMA(I)) : 2.000 REMARK 200 REMARK 200 OVERALL. REMARK 200 COMPLETENESS FOR RANGE (%) : 99.9 REMARK 200 DATA REDUNDANCY : 4.600 REMARK 200 R MERGE (I) : 0.11400 REMARK 200 R SYM (I) : NULL REMARK 200 FOR THE DATA SET : 8.8000 REMARK 200 REMARK 200 IN THE HIGHEST RESOLUTION SHELL. REMARK 200 HIGHEST RESOLUTION SHELL, RANGE HIGH (A) : 2.20 REMARK 200 HIGHEST RESOLUTION SHELL, RANGE LOW (A) : 2.27 REMARK 200 COMPLETENESS FOR SHELL (%) : 99.9 REMARK 200 DATA REDUNDANCY IN SHELL : 4.10 REMARK 200 R MERGE FOR SHELL (I) : 0.52200 REMARK 200 R SYM FOR SHELL (I) : NULL REMARK 200 FOR SHELL : 2.900 REMARK 200 REMARK 200 DIFFRACTION PROTOCOL: SINGLE WAVELENGTH REMARK 200 METHOD USED TO DETERMINE THE STRUCTURE: MOLECULAR REPLACEMENT REMARK 200 SOFTWARE USED: PHASER 7.0.044 REMARK 200 STARTING MODEL: 3H9R REMARK 200 REMARK 200 REMARK: P2 21 21 REMARK 280 REMARK 280 CRYSTAL REMARK 280 SOLVENT CONTENT, VS (%): 48.82 REMARK 280 MATTHEWS COEFFICIENT, VM (ANGSTROMS**3/DA): 2.40 REMARK 280 REMARK 280 CRYSTALLIZATION CONDITIONS: 1.6M AMMONIUM SULFATE,12% GLYCEROL, REMARK 280 0.1M TRIS PH 8.5, VAPOR DIFFUSION, SITTING DROP, TEMPERATURE 277K REMARK 290 REMARK 290 CRYSTALLOGRAPHIC SYMMETRY REMARK 290 SYMMETRY OPERATORS FOR SPACE GROUP: P 2 21 21 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,Y+1/2,-Z+1/2 REMARK 290 4555 -X,-Y+1/2,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 0.00000 REMARK 290 SMTRY1 3 -1.000000 0.000000 0.000000 0.00000 REMARK 290 SMTRY2 3 0.000000 1.000000 0.000000 43.19500 REMARK 290 SMTRY3 3 0.000000 0.000000 -1.000000 69.64500 REMARK 290 SMTRY1 4 -1.000000 0.000000 0.000000 0.00000 REMARK 290 SMTRY2 4 0.000000 -1.000000 0.000000 43.19500 REMARK 290 SMTRY3 4 0.000000 0.000000 1.000000 69.64500 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: 3280 ANGSTROM**2 REMARK 350 SURFACE AREA OF THE COMPLEX: 26120 ANGSTROM**2 REMARK 350 CHANGE IN SOLVENT FREE ENERGY: -85.0 KCAL/MOL REMARK 350 APPLY THE FOLLOWING TO CHAINS: A, 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 SER A 199 REMARK 465 MET A 200 REMARK 465 GLN A 201 REMARK 465 ARG A 202 REMARK 465 THR A 203 REMARK 465 SER B 199 REMARK 465 MET B 200 REMARK 465 GLN B 201 REMARK 465 ARG B 202 REMARK 465 THR B 203 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 ARG A 206 CG CD NE CZ NH1 NH2 REMARK 470 GLU A 230 CG CD OE1 OE2 REMARK 470 ARG A 240 CG CD NE CZ NH1 NH2 REMARK 470 ARG A 258 CZ NH1 NH2 REMARK 470 PHE A 265 CG CD1 CD2 CE1 CE2 CZ REMARK 470 ARG A 273 CG CD NE CZ NH1 NH2 REMARK 470 HIS A 274 CG ND1 CD2 CE1 NE2 REMARK 470 THR A 326 OG1 CG2 REMARK 470 GLN A 327 CG CD OE1 NE2 REMARK 470 GLN A 367 CG CD OE1 NE2 REMARK 470 LYS A 472 CG CD CE NZ REMARK 470 LYS A 497 CE NZ REMARK 470 ASP A 499 CG OD1 OD2 REMARK 470 ARG B 206 NE CZ NH1 NH2 REMARK 470 GLU B 230 CG CD OE1 OE2 REMARK 470 ARG B 240 NE CZ NH1 NH2 REMARK 470 MET B 256 CG SD CE REMARK 470 PHE B 265 CG CD1 CD2 CE1 CE2 CZ REMARK 470 GLN B 363 CG CD OE1 NE2 REMARK 470 ASN B 366 CG OD1 ND2 REMARK 470 GLN B 367 CG CD OE1 NE2 REMARK 470 LEU B 368 CG CD1 CD2 REMARK 470 ASN B 372 CG OD1 ND2 REMARK 470 LYS B 497 CG CD CE NZ REMARK 470 ASP B 499 CG OD1 OD2 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 B 722 O HOH B 734 1.69 REMARK 500 O HOH A 768 O HOH B 699 1.76 REMARK 500 O HOH B 729 O HOH B 737 1.88 REMARK 500 O HOH B 728 O HOH B 731 1.92 REMARK 500 O HOH A 743 O HOH A 786 1.97 REMARK 500 O HOH A 768 O HOH B 719 1.98 REMARK 500 O HOH B 635 O HOH B 718 2.04 REMARK 500 O HOH B 673 O HOH B 752 2.05 REMARK 500 O HOH B 706 O HOH B 755 2.07 REMARK 500 O HOH A 710 O HOH A 718 2.15 REMARK 500 O HOH A 708 O HOH A 730 2.17 REMARK 500 O HOH B 656 O HOH B 719 2.18 REMARK 500 O HOH A 765 O HOH A 773 2.18 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 787 O HOH A 787 2597 1.97 REMARK 500 O HOH A 718 O HOH A 718 2597 2.04 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 TYR A 381 CB - CG - CD2 ANGL. DEV. = -4.2 DEGREES REMARK 500 TYR B 381 CB - CG - CD2 ANGL. DEV. = -3.6 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 SER A 276 142.65 -173.23 REMARK 500 THR A 326 -71.02 -57.63 REMARK 500 GLN A 327 48.62 -94.69 REMARK 500 ARG A 335 -5.41 83.49 REMARK 500 ASP A 354 83.84 78.13 REMARK 500 ASN A 372 56.98 -152.97 REMARK 500 GLN A 392 93.44 -69.15 REMARK 500 TRP B 227 118.84 -160.33 REMARK 500 ARG B 335 -5.86 83.89 REMARK 500 ASP B 336 43.33 -140.40 REMARK 500 ASP B 354 82.56 76.39 REMARK 500 THR B 365 135.98 -171.90 REMARK 500 REMARK 500 REMARK: NULL REMARK 800 REMARK 800 SITE REMARK 800 SITE_IDENTIFIER: AC1 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: binding site for residue IR2 A 501 REMARK 800 REMARK 800 SITE_IDENTIFIER: AC2 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: binding site for residue SO4 A 502 REMARK 800 REMARK 800 SITE_IDENTIFIER: AC3 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: binding site for residue SO4 A 503 REMARK 800 REMARK 800 SITE_IDENTIFIER: AC4 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: binding site for residue SO4 A 504 REMARK 800 REMARK 800 SITE_IDENTIFIER: AC5 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: binding site for residue EDO A 505 REMARK 800 REMARK 800 SITE_IDENTIFIER: AC6 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: binding site for residue EDO A 506 REMARK 800 REMARK 800 SITE_IDENTIFIER: AC7 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: binding site for residue EDO A 507 REMARK 800 REMARK 800 SITE_IDENTIFIER: AC8 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: binding site for residue IR2 B 501 REMARK 800 REMARK 800 SITE_IDENTIFIER: AC9 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: binding site for residue SO4 B 502 REMARK 800 REMARK 800 SITE_IDENTIFIER: AD1 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: binding site for residue SO4 B 503 REMARK 800 REMARK 800 SITE_IDENTIFIER: AD2 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: binding site for residue SO4 B 504 REMARK 800 REMARK 800 SITE_IDENTIFIER: AD3 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: binding site for residue EDO B 505 DBREF 6GIN A 201 499 UNP Q04771 ACVR1_HUMAN 201 499 DBREF 6GIN B 201 499 UNP Q04771 ACVR1_HUMAN 201 499 SEQADV 6GIN SER A 199 UNP Q04771 EXPRESSION TAG SEQADV 6GIN MET A 200 UNP Q04771 EXPRESSION TAG SEQADV 6GIN ASP A 207 UNP Q04771 GLN 207 ENGINEERED MUTATION SEQADV 6GIN SER B 199 UNP Q04771 EXPRESSION TAG SEQADV 6GIN MET B 200 UNP Q04771 EXPRESSION TAG SEQADV 6GIN ASP B 207 UNP Q04771 GLN 207 ENGINEERED MUTATION SEQRES 1 A 301 SER MET GLN ARG THR VAL ALA ARG ASP ILE THR LEU LEU SEQRES 2 A 301 GLU CYS VAL GLY LYS GLY ARG TYR GLY GLU VAL TRP ARG SEQRES 3 A 301 GLY SER TRP GLN GLY GLU ASN VAL ALA VAL LYS ILE PHE SEQRES 4 A 301 SER SER ARG ASP GLU LYS SER TRP PHE ARG GLU THR GLU SEQRES 5 A 301 LEU TYR ASN THR VAL MET LEU ARG HIS GLU ASN ILE LEU SEQRES 6 A 301 GLY PHE ILE ALA SER ASP MET THR SER ARG HIS SER SER SEQRES 7 A 301 THR GLN LEU TRP LEU ILE THR HIS TYR HIS GLU MET GLY SEQRES 8 A 301 SER LEU TYR ASP TYR LEU GLN LEU THR THR LEU ASP THR SEQRES 9 A 301 VAL SER CYS LEU ARG ILE VAL LEU SER ILE ALA SER GLY SEQRES 10 A 301 LEU ALA HIS LEU HIS ILE GLU ILE PHE GLY THR GLN GLY SEQRES 11 A 301 LYS PRO ALA ILE ALA HIS ARG ASP LEU LYS SER LYS ASN SEQRES 12 A 301 ILE LEU VAL LYS LYS ASN GLY GLN CYS CYS ILE ALA ASP SEQRES 13 A 301 LEU GLY LEU ALA VAL MET HIS SER GLN SER THR ASN GLN SEQRES 14 A 301 LEU ASP VAL GLY ASN ASN PRO ARG VAL GLY THR LYS ARG SEQRES 15 A 301 TYR MET ALA PRO GLU VAL LEU ASP GLU THR ILE GLN VAL SEQRES 16 A 301 ASP CYS PHE ASP SER TYR LYS ARG VAL ASP ILE TRP ALA SEQRES 17 A 301 PHE GLY LEU VAL LEU TRP GLU VAL ALA ARG ARG MET VAL SEQRES 18 A 301 SER ASN GLY ILE VAL GLU ASP TYR LYS PRO PRO PHE TYR SEQRES 19 A 301 ASP VAL VAL PRO ASN ASP PRO SER PHE GLU ASP MET ARG SEQRES 20 A 301 LYS VAL VAL CYS VAL ASP GLN GLN ARG PRO ASN ILE PRO SEQRES 21 A 301 ASN ARG TRP PHE SER ASP PRO THR LEU THR SER LEU ALA SEQRES 22 A 301 LYS LEU MET LYS GLU CYS TRP TYR GLN ASN PRO SER ALA SEQRES 23 A 301 ARG LEU THR ALA LEU ARG ILE LYS LYS THR LEU THR LYS SEQRES 24 A 301 ILE ASP SEQRES 1 B 301 SER MET GLN ARG THR VAL ALA ARG ASP ILE THR LEU LEU SEQRES 2 B 301 GLU CYS VAL GLY LYS GLY ARG TYR GLY GLU VAL TRP ARG SEQRES 3 B 301 GLY SER TRP GLN GLY GLU ASN VAL ALA VAL LYS ILE PHE SEQRES 4 B 301 SER SER ARG ASP GLU LYS SER TRP PHE ARG GLU THR GLU SEQRES 5 B 301 LEU TYR ASN THR VAL MET LEU ARG HIS GLU ASN ILE LEU SEQRES 6 B 301 GLY PHE ILE ALA SER ASP MET THR SER ARG HIS SER SER SEQRES 7 B 301 THR GLN LEU TRP LEU ILE THR HIS TYR HIS GLU MET GLY SEQRES 8 B 301 SER LEU TYR ASP TYR LEU GLN LEU THR THR LEU ASP THR SEQRES 9 B 301 VAL SER CYS LEU ARG ILE VAL LEU SER ILE ALA SER GLY SEQRES 10 B 301 LEU ALA HIS LEU HIS ILE GLU ILE PHE GLY THR GLN GLY SEQRES 11 B 301 LYS PRO ALA ILE ALA HIS ARG ASP LEU LYS SER LYS ASN SEQRES 12 B 301 ILE LEU VAL LYS LYS ASN GLY GLN CYS CYS ILE ALA ASP SEQRES 13 B 301 LEU GLY LEU ALA VAL MET HIS SER GLN SER THR ASN GLN SEQRES 14 B 301 LEU ASP VAL GLY ASN ASN PRO ARG VAL GLY THR LYS ARG SEQRES 15 B 301 TYR MET ALA PRO GLU VAL LEU ASP GLU THR ILE GLN VAL SEQRES 16 B 301 ASP CYS PHE ASP SER TYR LYS ARG VAL ASP ILE TRP ALA SEQRES 17 B 301 PHE GLY LEU VAL LEU TRP GLU VAL ALA ARG ARG MET VAL SEQRES 18 B 301 SER ASN GLY ILE VAL GLU ASP TYR LYS PRO PRO PHE TYR SEQRES 19 B 301 ASP VAL VAL PRO ASN ASP PRO SER PHE GLU ASP MET ARG SEQRES 20 B 301 LYS VAL VAL CYS VAL ASP GLN GLN ARG PRO ASN ILE PRO SEQRES 21 B 301 ASN ARG TRP PHE SER ASP PRO THR LEU THR SER LEU ALA SEQRES 22 B 301 LYS LEU MET LYS GLU CYS TRP TYR GLN ASN PRO SER ALA SEQRES 23 B 301 ARG LEU THR ALA LEU ARG ILE LYS LYS THR LEU THR LYS SEQRES 24 B 301 ILE ASP HET IR2 A 501 33 HET SO4 A 502 5 HET SO4 A 503 5 HET SO4 A 504 5 HET EDO A 505 4 HET EDO A 506 4 HET EDO A 507 10 HET IR2 B 501 33 HET SO4 B 502 5 HET SO4 B 503 5 HET SO4 B 504 5 HET EDO B 505 4 HETNAM IR2 3-(4-MORPHOLIN-4-YLPHENYL)-6-QUINOLIN-4-YL-QUINAZOLIN- HETNAM 2 IR2 4-ONE HETNAM SO4 SULFATE ION HETNAM EDO 1,2-ETHANEDIOL HETSYN EDO ETHYLENE GLYCOL FORMUL 3 IR2 2(C27 H22 N4 O2) FORMUL 4 SO4 6(O4 S 2-) FORMUL 7 EDO 4(C2 H6 O2) FORMUL 15 HOH *347(H2 O) HELIX 1 AA1 VAL A 204 ILE A 208 5 5 HELIX 2 AA2 ASP A 241 VAL A 255 1 15 HELIX 3 AA3 SER A 290 THR A 298 1 9 HELIX 4 AA4 ASP A 301 ILE A 321 1 21 HELIX 5 AA5 LYS A 338 LYS A 340 5 3 HELIX 6 AA6 THR A 378 MET A 382 5 5 HELIX 7 AA7 ALA A 383 ASP A 388 1 6 HELIX 8 AA8 CYS A 395 ARG A 416 1 22 HELIX 9 AA9 SER A 440 CYS A 449 1 10 HELIX 10 AB1 PRO A 458 SER A 463 5 6 HELIX 11 AB2 ASP A 464 GLU A 476 1 13 HELIX 12 AB3 ASN A 481 ARG A 485 5 5 HELIX 13 AB4 THR A 487 ILE A 498 1 12 HELIX 14 AB5 ASP B 241 VAL B 255 1 15 HELIX 15 AB6 SER B 290 THR B 298 1 9 HELIX 16 AB7 ASP B 301 ILE B 321 1 21 HELIX 17 AB8 LYS B 338 LYS B 340 5 3 HELIX 18 AB9 THR B 378 MET B 382 5 5 HELIX 19 AC1 ALA B 383 ASP B 388 1 6 HELIX 20 AC2 CYS B 395 ARG B 416 1 22 HELIX 21 AC3 SER B 440 CYS B 449 1 10 HELIX 22 AC4 PRO B 458 SER B 463 5 6 HELIX 23 AC5 ASP B 464 GLU B 476 1 13 HELIX 24 AC6 ASN B 481 ARG B 485 5 5 HELIX 25 AC7 THR B 487 ILE B 498 1 12 SHEET 1 AA1 5 THR A 209 GLY A 217 0 SHEET 2 AA1 5 GLY A 220 TRP A 227 -1 O ARG A 224 N LEU A 211 SHEET 3 AA1 5 GLU A 230 PHE A 237 -1 O VAL A 232 N GLY A 225 SHEET 4 AA1 5 THR A 277 HIS A 284 -1 O LEU A 281 N LYS A 235 SHEET 5 AA1 5 PHE A 265 SER A 272 -1 N THR A 271 O GLN A 278 SHEET 1 AA2 3 ALA A 331 ALA A 333 0 SHEET 2 AA2 3 VAL A 359 HIS A 361 -1 O HIS A 361 N ALA A 331 SHEET 3 AA2 3 LEU A 368 ASP A 369 -1 O ASP A 369 N MET A 360 SHEET 1 AA3 2 ILE A 342 VAL A 344 0 SHEET 2 AA3 2 CYS A 350 ILE A 352 -1 O CYS A 351 N LEU A 343 SHEET 1 AA4 5 THR B 209 GLY B 217 0 SHEET 2 AA4 5 GLY B 220 TRP B 227 -1 O ARG B 224 N GLU B 212 SHEET 3 AA4 5 GLU B 230 PHE B 237 -1 O VAL B 232 N GLY B 225 SHEET 4 AA4 5 SER B 276 HIS B 284 -1 O LEU B 281 N LYS B 235 SHEET 5 AA4 5 PHE B 265 ARG B 273 -1 N THR B 271 O GLN B 278 SHEET 1 AA5 3 ALA B 331 ALA B 333 0 SHEET 2 AA5 3 VAL B 359 SER B 362 -1 O HIS B 361 N ALA B 331 SHEET 3 AA5 3 THR B 365 ASP B 369 -1 O ASP B 369 N MET B 360 SHEET 1 AA6 2 ILE B 342 VAL B 344 0 SHEET 2 AA6 2 CYS B 350 ILE B 352 -1 O CYS B 351 N LEU B 343 SITE 1 AC1 16 VAL A 222 ALA A 233 LYS A 235 LEU A 263 SITE 2 AC1 16 THR A 283 HIS A 284 TYR A 285 HIS A 286 SITE 3 AC1 16 GLY A 289 ASP A 293 LYS A 340 ASN A 341 SITE 4 AC1 16 LEU A 343 ASP A 354 HOH A 614 HOH A 664 SITE 1 AC2 5 LEU A 263 GLY A 264 HIS A 284 HIS A 286 SITE 2 AC2 5 HOH A 604 SITE 1 AC3 4 ARG A 380 ASP A 438 PRO A 439 HOH A 685 SITE 1 AC4 8 HIS A 286 LYS A 345 LYS A 346 HOH A 627 SITE 2 AC4 8 HOH A 631 HOH A 643 HOH A 658 HOH A 660 SITE 1 AC5 5 PHE A 431 ASP A 433 GLN A 453 ARG A 454 SITE 2 AC5 5 ASN A 456 SITE 1 AC6 7 ARG A 380 TYR A 432 VAL A 435 PRO A 436 SITE 2 AC6 7 ASN A 437 HOH A 649 HOH A 717 SITE 1 AC7 3 ARG A 416 ASP A 426 TYR A 432 SITE 1 AC8 13 ALA B 233 LYS B 235 LEU B 263 THR B 283 SITE 2 AC8 13 HIS B 284 TYR B 285 HIS B 286 GLY B 289 SITE 3 AC8 13 ASP B 293 ASN B 341 LEU B 343 ASP B 354 SITE 4 AC8 13 HOH B 627 SITE 1 AC9 8 ARG B 380 ASN B 437 ASP B 438 PRO B 439 SITE 2 AC9 8 HOH B 609 HOH B 634 HOH B 661 HOH B 673 SITE 1 AD1 9 GLU B 260 ILE B 262 LEU B 263 GLY B 264 SITE 2 AD1 9 HIS B 284 HIS B 286 LYS B 345 CYS B 351 SITE 3 AD1 9 HOH B 602 SITE 1 AD2 6 HIS B 286 LYS B 345 LYS B 346 HOH B 625 SITE 2 AD2 6 HOH B 645 HOH B 649 SITE 1 AD3 5 PHE B 431 ASP B 433 ARG B 454 ASN B 456 SITE 2 AD3 5 HOH B 614 CRYST1 59.080 86.390 139.290 90.00 90.00 90.00 P 2 21 21 8 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 0.016926 0.000000 0.000000 0.00000 SCALE2 0.000000 0.011575 0.000000 0.00000 SCALE3 0.000000 0.000000 0.007179 0.00000