HEADER SIGNALING PROTEIN 02-OCT-19 6SZM TITLE CRYSTAL STRUCTURE OF THE ACVR1 (ALK2) KINASE IN COMPLEX WITH THE TITLE 2 COMPOUND M4K2009 COMPND MOL_ID: 1; COMPND 2 MOLECULE: ACTIVIN RECEPTOR TYPE I; COMPND 3 CHAIN: A, B; COMPND 4 EC: 2.7.11.30; COMPND 5 ENGINEERED: YES; COMPND 6 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; SOURCE 6 EXPRESSION_SYSTEM: SPODOPTERA FRUGIPERDA; SOURCE 7 EXPRESSION_SYSTEM_COMMON: FALL ARMYWORM; SOURCE 8 EXPRESSION_SYSTEM_TAXID: 7108; SOURCE 9 EXPRESSION_SYSTEM_CELL_LINE: SF9 KEYWDS KINASE, BMP, INHIBITOR, SIGNALLING, SIGNALING PROTEIN EXPDTA X-RAY DIFFRACTION AUTHOR R.J.ADAMSON,E.P.WILLIAMS,D.SMIL,N.BURGESS-BROWN,F.VON DELFT, AUTHOR 2 C.H.ARROWSMITH,A.M.EDWARDS,C.BOUNTRA,A.N.BULLOCK REVDAT 3 24-JAN-24 6SZM 1 REMARK REVDAT 2 28-OCT-20 6SZM 1 JRNL REVDAT 1 16-OCT-19 6SZM 0 JRNL AUTH D.SMIL,J.F.WONG,E.P.WILLIAMS,R.J.ADAMSON,A.HOWARTH, JRNL AUTH 2 D.A.MCLEOD,A.MAMAI,S.KIM,B.J.WILSON,T.KIYOTA,A.AMAN,J.OWEN, JRNL AUTH 3 G.PODA,K.Y.HORIUCHI,E.KUZNETSOVA,H.MA,J.N.HAMBLIN,S.CRAMP, JRNL AUTH 4 O.G.ROBERTS,A.M.EDWARDS,D.UEHLING,R.AL-AWAR,A.N.BULLOCK, JRNL AUTH 5 J.A.O'MEARA,M.B.ISAAC JRNL TITL LEVERAGING AN OPEN SCIENCE DRUG DISCOVERY MODEL TO DEVELOP JRNL TITL 2 CNS-PENETRANT ALK2 INHIBITORS FOR THE TREATMENT OF DIFFUSE JRNL TITL 3 INTRINSIC PONTINE GLIOMA. JRNL REF J.MED.CHEM. V. 63 10061 2020 JRNL REFN ISSN 0022-2623 JRNL PMID 32787083 JRNL DOI 10.1021/ACS.JMEDCHEM.0C01199 REMARK 2 REMARK 2 RESOLUTION. 1.42 ANGSTROMS. REMARK 3 REMARK 3 REFINEMENT. REMARK 3 PROGRAM : PHENIX 1.16_3549 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) : 1.42 REMARK 3 RESOLUTION RANGE LOW (ANGSTROMS) : 63.36 REMARK 3 MIN(FOBS/SIGMA_FOBS) : 1.330 REMARK 3 COMPLETENESS FOR RANGE (%) : 99.8 REMARK 3 NUMBER OF REFLECTIONS : 131968 REMARK 3 REMARK 3 FIT TO DATA USED IN REFINEMENT. REMARK 3 R VALUE (WORKING + TEST SET) : 0.154 REMARK 3 R VALUE (WORKING SET) : 0.152 REMARK 3 FREE R VALUE : 0.188 REMARK 3 FREE R VALUE TEST SET SIZE (%) : 4.990 REMARK 3 FREE R VALUE TEST SET COUNT : 6591 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 63.3600 - 4.4100 1.00 4312 196 0.1707 0.1912 REMARK 3 2 4.4100 - 3.5000 1.00 4215 252 0.1303 0.1486 REMARK 3 3 3.5000 - 3.0600 1.00 4171 252 0.1469 0.1678 REMARK 3 4 3.0600 - 2.7800 1.00 4250 196 0.1497 0.1944 REMARK 3 5 2.7800 - 2.5800 1.00 4170 254 0.1423 0.1832 REMARK 3 6 2.5800 - 2.4300 1.00 4199 230 0.1320 0.1471 REMARK 3 7 2.4300 - 2.3100 1.00 4153 222 0.1302 0.1720 REMARK 3 8 2.3100 - 2.2100 1.00 4192 221 0.1321 0.1773 REMARK 3 9 2.2100 - 2.1200 1.00 4204 202 0.1332 0.1812 REMARK 3 10 2.1200 - 2.0500 1.00 4203 212 0.1336 0.1724 REMARK 3 11 2.0500 - 1.9800 1.00 4232 176 0.1332 0.1574 REMARK 3 12 1.9800 - 1.9300 1.00 4182 205 0.1358 0.1837 REMARK 3 13 1.9300 - 1.8800 1.00 4142 215 0.1363 0.1783 REMARK 3 14 1.8800 - 1.8300 1.00 4258 183 0.1398 0.1978 REMARK 3 15 1.8300 - 1.7900 1.00 4167 220 0.1434 0.2062 REMARK 3 16 1.7900 - 1.7500 1.00 4179 206 0.0000 0.1902 REMARK 3 17 1.7500 - 1.7200 1.00 4194 222 0.0000 0.2189 REMARK 3 18 1.7200 - 1.6800 1.00 4137 234 0.0000 0.2469 REMARK 3 19 1.6800 - 1.6500 1.00 4201 215 0.0000 0.2160 REMARK 3 20 1.6500 - 1.6300 1.00 4091 235 0.0000 0.2320 REMARK 3 21 1.6300 - 1.6000 1.00 4199 234 0.0000 0.2418 REMARK 3 22 1.6000 - 1.5700 1.00 4154 223 0.0000 0.2357 REMARK 3 23 1.5700 - 1.5500 1.00 4144 234 0.0000 0.2705 REMARK 3 24 1.5500 - 1.5300 1.00 4191 229 0.0000 0.2348 REMARK 3 25 1.5300 - 1.5100 1.00 4156 231 0.0000 0.2587 REMARK 3 26 1.5100 - 1.4900 1.00 4132 221 0.0000 0.2744 REMARK 3 27 1.4900 - 1.4700 1.00 4153 225 0.0000 0.2695 REMARK 3 28 1.4700 - 1.4500 1.00 4206 217 0.0000 0.3138 REMARK 3 29 1.4500 - 1.4400 1.00 4106 209 0.0000 0.3167 REMARK 3 30 1.4400 - 1.4200 0.97 4084 220 0.0000 0.3332 REMARK 3 REMARK 3 BULK SOLVENT MODELLING. REMARK 3 METHOD USED : NULL 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) : 0.159 REMARK 3 PHASE ERROR (DEGREES, MAXIMUM-LIKELIHOOD BASED) : 20.161 REMARK 3 REMARK 3 B VALUES. REMARK 3 FROM WILSON PLOT (A**2) : 15.70 REMARK 3 MEAN B VALUE (OVERALL, A**2) : 24.18 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 : 0.008 5075 REMARK 3 ANGLE : 1.084 6889 REMARK 3 CHIRALITY : 0.079 741 REMARK 3 PLANARITY : 0.007 861 REMARK 3 DIHEDRAL : 12.019 2975 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 6SZM COMPLIES WITH FORMAT V. 3.30, 13-JUL-11 REMARK 100 REMARK 100 THIS ENTRY HAS BEEN PROCESSED BY PDBE ON 02-OCT-19. REMARK 100 THE DEPOSITION ID IS D_1292104520. REMARK 200 REMARK 200 EXPERIMENTAL DETAILS REMARK 200 EXPERIMENT TYPE : X-RAY DIFFRACTION REMARK 200 DATE OF DATA COLLECTION : 20-JAN-19 REMARK 200 TEMPERATURE (KELVIN) : 100 REMARK 200 PH : 5.5 REMARK 200 NUMBER OF CRYSTALS USED : 1 REMARK 200 REMARK 200 SYNCHROTRON (Y/N) : Y REMARK 200 RADIATION SOURCE : DIAMOND REMARK 200 BEAMLINE : I24 REMARK 200 X-RAY GENERATOR MODEL : NULL REMARK 200 MONOCHROMATIC OR LAUE (M/L) : M REMARK 200 WAVELENGTH OR RANGE (A) : 0.9686 REMARK 200 MONOCHROMATOR : ACCEL FIXED EXIT DOUBLE CRYSTAL REMARK 200 OPTICS : OXFORD DANFYSIK/SESO TWO STAGE REMARK 200 DEMAGNIFICATION USING TWO K-B REMARK 200 PAIRS OF BIMORPH TYPE MIRRORS REMARK 200 REMARK 200 DETECTOR TYPE : PIXEL REMARK 200 DETECTOR MANUFACTURER : DECTRIS PILATUS3 6M REMARK 200 INTENSITY-INTEGRATION SOFTWARE : XIA2 REMARK 200 DATA SCALING SOFTWARE : AIMLESS 0.7.3 REMARK 200 REMARK 200 NUMBER OF UNIQUE REFLECTIONS : 132079 REMARK 200 RESOLUTION RANGE HIGH (A) : 1.420 REMARK 200 RESOLUTION RANGE LOW (A) : 63.410 REMARK 200 REJECTION CRITERIA (SIGMA(I)) : NULL REMARK 200 REMARK 200 OVERALL. REMARK 200 COMPLETENESS FOR RANGE (%) : 100.0 REMARK 200 DATA REDUNDANCY : 6.600 REMARK 200 R MERGE (I) : 0.10500 REMARK 200 R SYM (I) : NULL REMARK 200 FOR THE DATA SET : 7.2000 REMARK 200 REMARK 200 IN THE HIGHEST RESOLUTION SHELL. REMARK 200 HIGHEST RESOLUTION SHELL, RANGE HIGH (A) : 1.42 REMARK 200 HIGHEST RESOLUTION SHELL, RANGE LOW (A) : 1.46 REMARK 200 COMPLETENESS FOR SHELL (%) : 99.9 REMARK 200 DATA REDUNDANCY IN SHELL : 6.70 REMARK 200 R MERGE FOR SHELL (I) : 0.05100 REMARK 200 R SYM FOR SHELL (I) : NULL REMARK 200 FOR SHELL : 19.90 REMARK 200 REMARK 200 DIFFRACTION PROTOCOL: SINGLE WAVELENGTH REMARK 200 METHOD USED TO DETERMINE THE STRUCTURE: MOLECULAR REPLACEMENT REMARK 200 SOFTWARE USED: PHASER 2.8.1 REMARK 200 STARTING MODEL: 6SRH REMARK 200 REMARK 200 REMARK: NULL REMARK 280 REMARK 280 CRYSTAL REMARK 280 SOLVENT CONTENT, VS (%): 53.81 REMARK 280 MATTHEWS COEFFICIENT, VM (ANGSTROMS**3/DA): 2.66 REMARK 280 REMARK 280 CRYSTALLIZATION CONDITIONS: 2M AMMONIUM SULFATE, 0.1M BIS-TRIS PH REMARK 280 5.5, VAPOR DIFFUSION, SITTING DROP, TEMPERATURE 277K 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 63.66900 REMARK 290 SMTRY2 3 0.000000 1.000000 0.000000 42.21600 REMARK 290 SMTRY3 3 0.000000 0.000000 1.000000 0.00000 REMARK 290 SMTRY1 4 -1.000000 0.000000 0.000000 63.66900 REMARK 290 SMTRY2 4 0.000000 1.000000 0.000000 42.21600 REMARK 290 SMTRY3 4 0.000000 0.000000 -1.000000 0.00000 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 SER A 199 REMARK 465 MET A 200 REMARK 465 GLN A 201 REMARK 465 GLN A 363 REMARK 465 SER A 364 REMARK 465 THR A 365 REMARK 465 ASN A 366 REMARK 465 GLN A 367 REMARK 465 LEU A 368 REMARK 465 ASP A 369 REMARK 465 VAL A 370 REMARK 465 GLY A 371 REMARK 465 ASN A 372 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 465 VAL B 204 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 LYS A 216 CG CD CE NZ REMARK 470 ARG A 240 CG CD NE CZ NH1 NH2 REMARK 470 LYS A 475 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 HZ2 LYS A 400 O HOH A 602 1.42 REMARK 500 HZ3 LYS A 400 O HOH A 602 1.56 REMARK 500 HH11 ARG B 258 O HOH B 604 1.57 REMARK 500 HH12 ARG B 258 O HOH B 601 1.58 REMARK 500 NH2 ARG A 218 O HOH A 601 1.60 REMARK 500 O HOH A 732 O HOH A 916 1.69 REMARK 500 NZ LYS A 400 O HOH A 602 1.82 REMARK 500 O HOH A 887 O HOH A 923 1.83 REMARK 500 O HOH B 601 O HOH B 604 1.88 REMARK 500 O HOH B 655 O HOH B 846 1.95 REMARK 500 OE2 GLU A 230 O HOH A 604 1.97 REMARK 500 O HOH A 841 O HOH A 842 1.98 REMARK 500 NH1 ARG B 258 O HOH B 601 1.99 REMARK 500 O HOH A 871 O HOH A 940 1.99 REMARK 500 O HOH A 664 O HOH A 823 1.99 REMARK 500 NH2 ARG B 218 O HOH B 602 2.04 REMARK 500 O HOH A 860 O HOH A 898 2.04 REMARK 500 O HOH B 840 O HOH B 890 2.08 REMARK 500 O HOH B 720 O HOH B 931 2.09 REMARK 500 O HOH B 649 O HOH B 853 2.09 REMARK 500 O HOH B 849 O HOH B 867 2.12 REMARK 500 O HOH A 726 O HOH A 750 2.13 REMARK 500 O HOH B 879 O HOH B 883 2.14 REMARK 500 O HOH A 805 O HOH A 820 2.15 REMARK 500 O HOH B 615 O HOH B 869 2.15 REMARK 500 O HOH A 832 O HOH A 892 2.16 REMARK 500 O HOH B 610 O HOH B 674 2.16 REMARK 500 O HOH A 613 O HOH A 743 2.16 REMARK 500 O HOH A 765 O HOH A 899 2.17 REMARK 500 O HOH B 862 O HOH B 902 2.18 REMARK 500 O HOH A 730 O HOH A 857 2.19 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 831 4445 2.02 REMARK 500 O HOH A 656 O HOH A 833 4445 2.09 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 327 37.15 -94.59 REMARK 500 ASP A 336 47.25 -148.52 REMARK 500 ASP A 354 88.39 76.41 REMARK 500 HIS B 274 -132.40 52.91 REMARK 500 ASP B 336 46.10 -146.76 REMARK 500 ASP B 354 85.65 76.00 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 M2Z A 501 REMARK 800 REMARK 800 SITE_IDENTIFIER: AC2 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: binding site for residue M2Z A 502 REMARK 800 REMARK 800 SITE_IDENTIFIER: AC3 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: binding site for residue M2Z 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 EDO A 508 REMARK 800 REMARK 800 SITE_IDENTIFIER: AC9 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: binding site for residue NH4 A 509 REMARK 800 REMARK 800 SITE_IDENTIFIER: AD1 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: binding site for residue EDO A 510 REMARK 800 REMARK 800 SITE_IDENTIFIER: AD2 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: binding site for residue SO4 A 511 REMARK 800 REMARK 800 SITE_IDENTIFIER: AD3 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: binding site for residue M2Z B 501 REMARK 800 REMARK 800 SITE_IDENTIFIER: AD4 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: binding site for residue SO4 B 502 REMARK 800 REMARK 800 SITE_IDENTIFIER: AD5 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: binding site for residue DMS B 503 REMARK 800 REMARK 800 SITE_IDENTIFIER: AD6 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: binding site for residue EDO B 504 REMARK 800 REMARK 800 SITE_IDENTIFIER: AD7 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: binding site for residue EDO B 505 REMARK 800 REMARK 800 SITE_IDENTIFIER: AD8 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: binding site for residue SO4 B 506 REMARK 800 REMARK 800 SITE_IDENTIFIER: AD9 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: binding site for residue SO4 B 507 DBREF 6SZM A 201 499 UNP Q04771 ACVR1_HUMAN 201 499 DBREF 6SZM B 201 499 UNP Q04771 ACVR1_HUMAN 201 499 SEQADV 6SZM SER A 199 UNP Q04771 EXPRESSION TAG SEQADV 6SZM MET A 200 UNP Q04771 EXPRESSION TAG SEQADV 6SZM ASP A 207 UNP Q04771 GLN 207 CONFLICT SEQADV 6SZM SER B 199 UNP Q04771 EXPRESSION TAG SEQADV 6SZM MET B 200 UNP Q04771 EXPRESSION TAG SEQADV 6SZM ASP B 207 UNP Q04771 GLN 207 CONFLICT 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 M2Z A 501 60 HET M2Z A 502 60 HET M2Z A 503 60 HET SO4 A 504 5 HET EDO A 505 10 HET EDO A 506 10 HET EDO A 507 10 HET EDO A 508 10 HET NH4 A 509 5 HET EDO A 510 10 HET SO4 A 511 5 HET M2Z B 501 60 HET SO4 B 502 5 HET DMS B 503 10 HET EDO B 504 10 HET EDO B 505 10 HET SO4 B 506 5 HET SO4 B 507 5 HETNAM M2Z 1-[4-[4-METHYL-5-(3,4,5-TRIMETHOXYPHENYL)PYRIDIN-3- HETNAM 2 M2Z YL]PHENYL]PIPERAZINE HETNAM SO4 SULFATE ION HETNAM EDO 1,2-ETHANEDIOL HETNAM NH4 AMMONIUM ION HETNAM DMS DIMETHYL SULFOXIDE HETSYN EDO ETHYLENE GLYCOL FORMUL 3 M2Z 4(C25 H29 N3 O3) FORMUL 6 SO4 5(O4 S 2-) FORMUL 7 EDO 7(C2 H6 O2) FORMUL 11 NH4 H4 N 1+ FORMUL 16 DMS C2 H6 O S FORMUL 21 HOH *694(H2 O) HELIX 1 AA1 ASP A 241 VAL A 255 1 15 HELIX 2 AA2 SER A 290 THR A 298 1 9 HELIX 3 AA3 ASP A 301 ILE A 321 1 21 HELIX 4 AA4 LYS A 338 LYS A 340 5 3 HELIX 5 AA5 THR A 378 MET A 382 5 5 HELIX 6 AA6 ALA A 383 ASP A 388 1 6 HELIX 7 AA7 CYS A 395 ARG A 416 1 22 HELIX 8 AA8 SER A 440 CYS A 449 1 10 HELIX 9 AA9 PRO A 458 SER A 463 5 6 HELIX 10 AB1 ASP A 464 TRP A 478 1 15 HELIX 11 AB2 ASN A 481 ARG A 485 5 5 HELIX 12 AB3 THR A 487 ILE A 498 1 12 HELIX 13 AB4 ASP B 241 ASN B 253 1 13 HELIX 14 AB5 THR B 254 ARG B 258 5 5 HELIX 15 AB6 SER B 290 GLN B 296 1 7 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 GLU A 212 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 THR A 283 -1 O LEU A 281 N LYS A 235 SHEET 5 AA1 5 PHE A 265 SER A 272 -1 N ALA A 267 O ILE A 282 SHEET 1 AA2 2 ALA A 331 ALA A 333 0 SHEET 2 AA2 2 VAL A 359 HIS A 361 -1 O HIS A 361 N ALA A 331 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 ILE B 208 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 ALA B 267 O ILE B 282 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 GLN B 367 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 14 ARG A 202 VAL A 204 ALA A 205 ARG A 206 SITE 2 AC1 14 TRP A 227 ALA A 267 M2Z A 502 HOH A 641 SITE 3 AC1 14 HOH A 712 ARG B 206 ASP B 269 THR B 271 SITE 4 AC1 14 GLN B 278 TRP B 280 SITE 1 AC2 11 TRP A 227 ILE A 266 ASN A 459 PHE A 462 SITE 2 AC2 11 SER A 463 M2Z A 501 HOH A 722 SER B 272 SITE 3 AC2 11 ARG B 273 SER B 276 HOH B 746 SITE 1 AC3 16 VAL A 214 ALA A 233 LYS A 235 LEU A 281 SITE 2 AC3 16 THR A 283 TYR A 285 HIS A 286 GLY A 289 SITE 3 AC3 16 ASP A 293 LYS A 340 ASN A 341 LEU A 343 SITE 4 AC3 16 ALA A 353 ASP A 354 HOH A 738 HOH A 907 SITE 1 AC4 8 HIS A 286 LYS A 345 LYS A 346 HOH A 643 SITE 2 AC4 8 HOH A 652 HOH A 669 HOH A 676 HOH A 756 SITE 1 AC5 6 PHE A 431 ASP A 433 ARG A 454 ASN A 456 SITE 2 AC5 6 HOH A 735 HOH A 749 SITE 1 AC6 6 HIS A 259 ILE A 262 GLY A 264 HIS A 284 SITE 2 AC6 6 HIS A 286 HOH A 720 SITE 1 AC7 6 ARG A 380 TYR A 432 VAL A 435 PRO A 436 SITE 2 AC7 6 ASN A 437 ASN B 437 SITE 1 AC8 4 LYS A 243 ARG A 247 GLU A 250 HOH B 609 SITE 1 AC9 2 LYS A 243 ARG A 247 SITE 1 AD1 4 ARG A 416 TYR A 432 HOH A 609 HOH A 760 SITE 1 AD2 7 ASN A 456 PRO A 458 ASN A 459 HOH A 631 SITE 2 AD2 7 HOH A 671 HOH A 764 HIS B 274 SITE 1 AD3 16 VAL B 214 ALA B 233 LYS B 235 GLU B 248 SITE 2 AD3 16 LEU B 281 THR B 283 TYR B 285 HIS B 286 SITE 3 AD3 16 GLY B 289 ASP B 293 PHE B 324 LYS B 340 SITE 4 AD3 16 ASN B 341 LEU B 343 HOH B 685 HOH B 796 SITE 1 AD4 8 HIS B 286 LYS B 345 LYS B 346 HOH B 617 SITE 2 AD4 8 HOH B 662 HOH B 671 HOH B 677 HOH B 710 SITE 1 AD5 5 GLY B 377 THR B 378 LYS B 379 HOH B 684 SITE 2 AD5 5 HOH B 781 SITE 1 AD6 2 ARG B 380 ASP B 438 SITE 1 AD7 2 GLN B 480 ASN B 481 SITE 1 AD8 8 ARG A 380 ASP A 438 PRO A 439 HOH B 692 SITE 2 AD8 8 HOH B 693 HOH B 731 HOH B 763 HOH B 815 SITE 1 AD9 7 ARG A 490 LYS A 493 GLU B 385 THR B 390 SITE 2 AD9 7 ILE B 391 GLN B 392 PRO B 482 CRYST1 127.338 84.432 88.136 90.00 131.16 90.00 C 1 2 1 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 0.007853 0.000000 0.006866 0.00000 SCALE2 0.000000 0.011844 0.000000 0.00000 SCALE3 0.000000 0.000000 0.015071 0.00000