HEADER TRANSFERASE/TRANSFERASE INHIBITOR 29-FEB-12 4DYM TITLE CRYSTAL STRUCTURE OF THE ACVR1 KINASE DOMAIN IN COMPLEX WITH THE TITLE 2 IMIDAZO[1,2-B]PYRIDAZINE INHIBITOR K00135 COMPND MOL_ID: 1; COMPND 2 MOLECULE: ACTIVIN RECEPTOR TYPE-1; COMPND 3 CHAIN: A; COMPND 4 FRAGMENT: UNP RESIDUES 299-401; COMPND 5 SYNONYM: ACTIVIN RECEPTOR TYPE I, ACTR-I, ACTIVIN RECEPTOR-LIKE COMPND 6 KINASE 2, ALK-2, SERINE/THREONINE-PROTEIN KINASE RECEPTOR R1, SKR1, COMPND 7 TGF-B SUPERFAMILY RECEPTOR TYPE I, TSR-I; COMPND 8 EC: 2.7.11.30; COMPND 9 ENGINEERED: YES; COMPND 10 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_COMMON: FALL ARMYWORM; SOURCE 8 EXPRESSION_SYSTEM_TAXID: 7108; SOURCE 9 EXPRESSION_SYSTEM_CELL_LINE: SF9; SOURCE 10 EXPRESSION_SYSTEM_VECTOR_TYPE: PLASMID; SOURCE 11 EXPRESSION_SYSTEM_VECTOR: BACULOVIRUS; SOURCE 12 EXPRESSION_SYSTEM_PLASMID: PFB-LIC-BSE KEYWDS STRUCTURAL GENOMICS, STRUCTURAL GENOMICS CONSORTIUM, SGC, PROTEIN KEYWDS 2 KINASE, TRANSFERASE-TRANSFERASE INHIBITOR COMPLEX EXPDTA X-RAY DIFFRACTION AUTHOR A.CHAIKUAD,C.SANVITALE,C.COOPER,P.CANNING,P.MAHAJAN,N.DAGA,K.PETRIE, AUTHOR 2 I.ALFANO,O.GILEADI,O.FEDOROV,T.KROJER,P.FILIPPAKOPOULOS,J.R.C.MUNIZ, AUTHOR 3 F.VON DELFT,J.WEIGELT,C.H.ARROWSMITH,A.M.EDWARDS,C.BOUNTRA, AUTHOR 4 A.BULLOCK,STRUCTURAL GENOMICS CONSORTIUM (SGC) REVDAT 2 13-SEP-23 4DYM 1 REMARK SEQADV REVDAT 1 21-MAR-12 4DYM 0 JRNL AUTH A.CHAIKUAD,C.SANVITALE,C.COOPER,P.CANNING,P.MAHAJAN,N.DAGA, JRNL AUTH 2 K.PETRIE,I.ALFANO,O.GILEADI,O.FEDOROV,T.KROJER, JRNL AUTH 3 P.FILIPPAKOPOULOS,J.R.C.MUNIZ,F.VON DELFT,J.WEIGELT, JRNL AUTH 4 C.H.ARROWSMITH,A.M.EDWARDS,C.BOUNTRA,A.BULLOCK, JRNL AUTH 5 STRUCTURAL GENOMICS CONSORTIUM (SGC) JRNL TITL CRYSTAL STRUCTURE OF THE ACVR1 KINASE DOMAIN IN COMPLEX WITH JRNL TITL 2 THE IMIDAZO[1,2-B]PYRIDAZINE INHIBITOR K00135 JRNL REF TO BE PUBLISHED JRNL REFN REMARK 2 REMARK 2 RESOLUTION. 2.42 ANGSTROMS. REMARK 3 REMARK 3 REFINEMENT. REMARK 3 PROGRAM : REFMAC 5.6.0117 REMARK 3 AUTHORS : MURSHUDOV,SKUBAK,LEBEDEV,PANNU,STEINER, REMARK 3 : NICHOLLS,WINN,LONG,VAGIN REMARK 3 REMARK 3 REFINEMENT TARGET : MAXIMUM LIKELIHOOD REMARK 3 REMARK 3 DATA USED IN REFINEMENT. REMARK 3 RESOLUTION RANGE HIGH (ANGSTROMS) : 2.42 REMARK 3 RESOLUTION RANGE LOW (ANGSTROMS) : 39.18 REMARK 3 DATA CUTOFF (SIGMA(F)) : 0.000 REMARK 3 COMPLETENESS FOR RANGE (%) : 99.7 REMARK 3 NUMBER OF REFLECTIONS : 12375 REMARK 3 REMARK 3 FIT TO DATA USED IN REFINEMENT. REMARK 3 CROSS-VALIDATION METHOD : THROUGHOUT REMARK 3 FREE R VALUE TEST SET SELECTION : RANDOM REMARK 3 R VALUE (WORKING + TEST SET) : 0.223 REMARK 3 R VALUE (WORKING SET) : 0.220 REMARK 3 FREE R VALUE : 0.279 REMARK 3 FREE R VALUE TEST SET SIZE (%) : 5.100 REMARK 3 FREE R VALUE TEST SET COUNT : 671 REMARK 3 REMARK 3 FIT IN THE HIGHEST RESOLUTION BIN. REMARK 3 TOTAL NUMBER OF BINS USED : 20 REMARK 3 BIN RESOLUTION RANGE HIGH (A) : 2.42 REMARK 3 BIN RESOLUTION RANGE LOW (A) : 2.48 REMARK 3 REFLECTION IN BIN (WORKING SET) : 849 REMARK 3 BIN COMPLETENESS (WORKING+TEST) (%) : 100.0 REMARK 3 BIN R VALUE (WORKING SET) : 0.2980 REMARK 3 BIN FREE R VALUE SET COUNT : 33 REMARK 3 BIN FREE R VALUE : 0.4390 REMARK 3 REMARK 3 NUMBER OF NON-HYDROGEN ATOMS USED IN REFINEMENT. REMARK 3 PROTEIN ATOMS : 2306 REMARK 3 NUCLEIC ACID ATOMS : 0 REMARK 3 HETEROGEN ATOMS : 57 REMARK 3 SOLVENT ATOMS : 124 REMARK 3 REMARK 3 B VALUES. REMARK 3 FROM WILSON PLOT (A**2) : 37.50 REMARK 3 MEAN B VALUE (OVERALL, A**2) : 35.90 REMARK 3 OVERALL ANISOTROPIC B VALUE. REMARK 3 B11 (A**2) : -2.53000 REMARK 3 B22 (A**2) : 6.58000 REMARK 3 B33 (A**2) : -4.05000 REMARK 3 B12 (A**2) : 0.00000 REMARK 3 B13 (A**2) : 0.00000 REMARK 3 B23 (A**2) : 0.00000 REMARK 3 REMARK 3 ESTIMATED OVERALL COORDINATE ERROR. REMARK 3 ESU BASED ON R VALUE (A): 0.548 REMARK 3 ESU BASED ON FREE R VALUE (A): 0.309 REMARK 3 ESU BASED ON MAXIMUM LIKELIHOOD (A): 0.280 REMARK 3 ESU FOR B VALUES BASED ON MAXIMUM LIKELIHOOD (A**2): 22.958 REMARK 3 REMARK 3 CORRELATION COEFFICIENTS. REMARK 3 CORRELATION COEFFICIENT FO-FC : 0.933 REMARK 3 CORRELATION COEFFICIENT FO-FC FREE : 0.900 REMARK 3 REMARK 3 RMS DEVIATIONS FROM IDEAL VALUES COUNT RMS WEIGHT REMARK 3 BOND LENGTHS REFINED ATOMS (A): 2413 ; 0.012 ; 0.020 REMARK 3 BOND LENGTHS OTHERS (A): 1603 ; 0.001 ; 0.020 REMARK 3 BOND ANGLES REFINED ATOMS (DEGREES): 3278 ; 1.467 ; 1.968 REMARK 3 BOND ANGLES OTHERS (DEGREES): 3886 ; 0.793 ; 3.001 REMARK 3 TORSION ANGLES, PERIOD 1 (DEGREES): 292 ; 7.837 ; 5.000 REMARK 3 TORSION ANGLES, PERIOD 2 (DEGREES): 103 ;37.713 ;23.883 REMARK 3 TORSION ANGLES, PERIOD 3 (DEGREES): 396 ;16.158 ;15.000 REMARK 3 TORSION ANGLES, PERIOD 4 (DEGREES): 14 ;17.582 ;15.000 REMARK 3 CHIRAL-CENTER RESTRAINTS (A**3): 371 ; 0.123 ; 0.200 REMARK 3 GENERAL PLANES REFINED ATOMS (A): 2642 ; 0.006 ; 0.021 REMARK 3 GENERAL PLANES OTHERS (A): 487 ; 0.001 ; 0.020 REMARK 3 NON-BONDED CONTACTS REFINED ATOMS (A): NULL ; NULL ; NULL REMARK 3 NON-BONDED CONTACTS OTHERS (A): NULL ; NULL ; NULL REMARK 3 NON-BONDED TORSION REFINED ATOMS (A): NULL ; NULL ; NULL REMARK 3 NON-BONDED TORSION OTHERS (A): NULL ; NULL ; NULL REMARK 3 H-BOND (X...Y) REFINED ATOMS (A): NULL ; NULL ; NULL REMARK 3 H-BOND (X...Y) OTHERS (A): NULL ; NULL ; NULL REMARK 3 POTENTIAL METAL-ION REFINED ATOMS (A): NULL ; NULL ; NULL REMARK 3 POTENTIAL METAL-ION OTHERS (A): NULL ; NULL ; NULL REMARK 3 SYMMETRY VDW REFINED ATOMS (A): NULL ; NULL ; NULL REMARK 3 SYMMETRY VDW OTHERS (A): NULL ; NULL ; NULL REMARK 3 SYMMETRY H-BOND REFINED ATOMS (A): NULL ; NULL ; NULL REMARK 3 SYMMETRY H-BOND OTHERS (A): NULL ; NULL ; NULL REMARK 3 SYMMETRY METAL-ION REFINED ATOMS (A): NULL ; NULL ; NULL REMARK 3 SYMMETRY METAL-ION OTHERS (A): NULL ; NULL ; NULL REMARK 3 REMARK 3 ISOTROPIC THERMAL FACTOR RESTRAINTS. COUNT RMS WEIGHT REMARK 3 MAIN-CHAIN BOND REFINED ATOMS (A**2): NULL ; NULL ; NULL REMARK 3 MAIN-CHAIN BOND OTHER ATOMS (A**2): NULL ; NULL ; NULL REMARK 3 MAIN-CHAIN ANGLE REFINED ATOMS (A**2): NULL ; NULL ; NULL REMARK 3 MAIN-CHAIN ANGLE OTHER ATOMS (A**2): NULL ; NULL ; NULL REMARK 3 SIDE-CHAIN BOND REFINED ATOMS (A**2): NULL ; NULL ; NULL REMARK 3 SIDE-CHAIN BOND OTHER ATOMS (A**2): NULL ; NULL ; NULL REMARK 3 SIDE-CHAIN ANGLE REFINED ATOMS (A**2): NULL ; NULL ; NULL REMARK 3 SIDE-CHAIN ANGLE OTHER ATOMS (A**2): NULL ; NULL ; NULL REMARK 3 LONG RANGE B REFINED ATOMS (A**2): NULL ; NULL ; NULL REMARK 3 LONG RANGE B OTHER ATOMS (A**2): NULL ; NULL ; NULL REMARK 3 REMARK 3 ANISOTROPIC THERMAL FACTOR RESTRAINTS. COUNT RMS WEIGHT REMARK 3 RIGID-BOND RESTRAINTS (A**2): NULL ; NULL ; NULL REMARK 3 SPHERICITY; FREE ATOMS (A**2): NULL ; NULL ; NULL REMARK 3 SPHERICITY; BONDED ATOMS (A**2): NULL ; NULL ; NULL REMARK 3 REMARK 3 NCS RESTRAINTS STATISTICS REMARK 3 NUMBER OF DIFFERENT NCS GROUPS : NULL REMARK 3 REMARK 3 TLS DETAILS REMARK 3 NUMBER OF TLS GROUPS : 1 REMARK 3 REMARK 3 TLS GROUP : 1 REMARK 3 NUMBER OF COMPONENTS GROUP : 1 REMARK 3 COMPONENTS C SSSEQI TO C SSSEQI REMARK 3 RESIDUE RANGE : A 207 A 499 REMARK 3 ORIGIN FOR THE GROUP (A): -15.8484 -16.5914 17.6326 REMARK 3 T TENSOR REMARK 3 T11: 0.1582 T22: 0.1164 REMARK 3 T33: 0.1506 T12: 0.0262 REMARK 3 T13: 0.0028 T23: -0.0194 REMARK 3 L TENSOR REMARK 3 L11: 2.5704 L22: 1.9489 REMARK 3 L33: 4.5204 L12: -0.9560 REMARK 3 L13: 0.5820 L23: -0.7299 REMARK 3 S TENSOR REMARK 3 S11: -0.0873 S12: -0.2503 S13: 0.0607 REMARK 3 S21: 0.0924 S22: 0.1038 S23: -0.0622 REMARK 3 S31: -0.1947 S32: -0.6744 S33: -0.0165 REMARK 3 REMARK 3 BULK SOLVENT MODELLING. REMARK 3 METHOD USED : MASK REMARK 3 PARAMETERS FOR MASK CALCULATION REMARK 3 VDW PROBE RADIUS : 1.20 REMARK 3 ION PROBE RADIUS : 0.80 REMARK 3 SHRINKAGE RADIUS : 0.80 REMARK 3 REMARK 3 OTHER REFINEMENT REMARKS: HYDROGENS HAVE BEEN ADDED IN THE RIDING REMARK 3 POSITIONS REMARK 4 REMARK 4 4DYM COMPLIES WITH FORMAT V. 3.30, 13-JUL-11 REMARK 100 REMARK 100 THIS ENTRY HAS BEEN PROCESSED BY RCSB ON 02-MAR-12. REMARK 100 THE DEPOSITION ID IS D_1000070946. REMARK 200 REMARK 200 EXPERIMENTAL DETAILS REMARK 200 EXPERIMENT TYPE : X-RAY DIFFRACTION REMARK 200 DATE OF DATA COLLECTION : 04-FEB-10 REMARK 200 TEMPERATURE (KELVIN) : 100.0 REMARK 200 PH : 6.5 REMARK 200 NUMBER OF CRYSTALS USED : 1 REMARK 200 REMARK 200 SYNCHROTRON (Y/N) : Y REMARK 200 RADIATION SOURCE : DIAMOND REMARK 200 BEAMLINE : I02 REMARK 200 X-RAY GENERATOR MODEL : NULL REMARK 200 MONOCHROMATIC OR LAUE (M/L) : M REMARK 200 WAVELENGTH OR RANGE (A) : 0.9795 REMARK 200 MONOCHROMATOR : SI (111) DOUBLE CRYSTAL REMARK 200 MONOCHROMATOR REMARK 200 OPTICS : KIRKPATRICK BAEZ BIMORPH MIRROR REMARK 200 PAIR REMARK 200 REMARK 200 DETECTOR TYPE : CCD REMARK 200 DETECTOR MANUFACTURER : ADSC QUANTUM 315 REMARK 200 INTENSITY-INTEGRATION SOFTWARE : MOSFLM REMARK 200 DATA SCALING SOFTWARE : SCALA REMARK 200 REMARK 200 NUMBER OF UNIQUE REFLECTIONS : 13046 REMARK 200 RESOLUTION RANGE HIGH (A) : 2.420 REMARK 200 RESOLUTION RANGE LOW (A) : 44.730 REMARK 200 REJECTION CRITERIA (SIGMA(I)) : 0.000 REMARK 200 REMARK 200 OVERALL. REMARK 200 COMPLETENESS FOR RANGE (%) : 99.8 REMARK 200 DATA REDUNDANCY : 4.500 REMARK 200 R MERGE (I) : 0.14600 REMARK 200 R SYM (I) : NULL REMARK 200 FOR THE DATA SET : 8.1000 REMARK 200 REMARK 200 IN THE HIGHEST RESOLUTION SHELL. REMARK 200 HIGHEST RESOLUTION SHELL, RANGE HIGH (A) : 2.42 REMARK 200 HIGHEST RESOLUTION SHELL, RANGE LOW (A) : 2.55 REMARK 200 COMPLETENESS FOR SHELL (%) : 100.0 REMARK 200 DATA REDUNDANCY IN SHELL : 4.70 REMARK 200 R MERGE FOR SHELL (I) : 0.75000 REMARK 200 R SYM FOR SHELL (I) : NULL REMARK 200 FOR SHELL : 2.000 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: PDB ENTRY 3H9R REMARK 200 REMARK 200 REMARK: NULL REMARK 280 REMARK 280 CRYSTAL REMARK 280 SOLVENT CONTENT, VS (%): 48.85 REMARK 280 MATTHEWS COEFFICIENT, VM (ANGSTROMS**3/DA): 2.40 REMARK 280 REMARK 280 CRYSTALLIZATION CONDITIONS: 1.60M MGSO4; 0.1M MES PH 6.5, VAPOR REMARK 280 DIFFUSION, SITTING DROP, TEMPERATURE 293.15K REMARK 290 REMARK 290 CRYSTALLOGRAPHIC SYMMETRY REMARK 290 SYMMETRY OPERATORS FOR SPACE GROUP: C 2 2 21 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 -X,Y,-Z+1/2 REMARK 290 4555 X,-Y,-Z REMARK 290 5555 X+1/2,Y+1/2,Z REMARK 290 6555 -X+1/2,-Y+1/2,Z+1/2 REMARK 290 7555 -X+1/2,Y+1/2,-Z+1/2 REMARK 290 8555 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 70.19500 REMARK 290 SMTRY1 3 -1.000000 0.000000 0.000000 0.00000 REMARK 290 SMTRY2 3 0.000000 1.000000 0.000000 0.00000 REMARK 290 SMTRY3 3 0.000000 0.000000 -1.000000 70.19500 REMARK 290 SMTRY1 4 1.000000 0.000000 0.000000 0.00000 REMARK 290 SMTRY2 4 0.000000 -1.000000 0.000000 0.00000 REMARK 290 SMTRY3 4 0.000000 0.000000 -1.000000 0.00000 REMARK 290 SMTRY1 5 1.000000 0.000000 0.000000 28.90000 REMARK 290 SMTRY2 5 0.000000 1.000000 0.000000 40.93000 REMARK 290 SMTRY3 5 0.000000 0.000000 1.000000 0.00000 REMARK 290 SMTRY1 6 -1.000000 0.000000 0.000000 28.90000 REMARK 290 SMTRY2 6 0.000000 -1.000000 0.000000 40.93000 REMARK 290 SMTRY3 6 0.000000 0.000000 1.000000 70.19500 REMARK 290 SMTRY1 7 -1.000000 0.000000 0.000000 28.90000 REMARK 290 SMTRY2 7 0.000000 1.000000 0.000000 40.93000 REMARK 290 SMTRY3 7 0.000000 0.000000 -1.000000 70.19500 REMARK 290 SMTRY1 8 1.000000 0.000000 0.000000 28.90000 REMARK 290 SMTRY2 8 0.000000 -1.000000 0.000000 40.93000 REMARK 290 SMTRY3 8 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: DIMERIC REMARK 350 SOFTWARE USED: PISA REMARK 350 TOTAL BURIED SURFACE AREA: 5550 ANGSTROM**2 REMARK 350 SURFACE AREA OF THE COMPLEX: 25770 ANGSTROM**2 REMARK 350 CHANGE IN SOLVENT FREE ENERGY: -79.0 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 350 BIOMT1 2 -1.000000 0.000000 0.000000 0.00000 REMARK 350 BIOMT2 2 0.000000 1.000000 0.000000 0.00000 REMARK 350 BIOMT3 2 0.000000 0.000000 -1.000000 70.19500 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 O2 GOL A 506 LIES ON A SPECIAL POSITION. REMARK 375 HOH A 704 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 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 VAL A 204 REMARK 465 ALA A 205 REMARK 465 HIS A 206 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 207 CG CD OE1 NE2 REMARK 470 ARG A 240 CG CD NE CZ NH1 NH2 REMARK 470 ARG A 258 CG CD NE CZ NH1 NH2 REMARK 470 ARG A 273 CG CD NE CZ NH1 NH2 REMARK 470 SER A 275 OG REMARK 470 THR A 326 OG1 CG2 REMARK 470 GLN A 327 CG CD OE1 NE2 REMARK 470 GLN A 392 CG CD OE1 NE2 REMARK 470 GLU A 442 CG CD OE1 OE2 REMARK 470 LYS A 446 CD CE NZ REMARK 470 LYS A 475 CG CD CE NZ REMARK 470 ARG A 490 CG CD NE CZ NH1 NH2 REMARK 470 LYS A 497 CG CD CE NZ REMARK 500 REMARK 500 GEOMETRY AND STEREOCHEMISTRY REMARK 500 SUBTOPIC: COVALENT BOND LENGTHS 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,2(A3,1X,A1,I4,A1,1X,A4,3X),1X,F6.3) 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 RES CSSEQI ATM2 DEVIATION REMARK 500 HIS A 334 CG HIS A 334 CD2 0.060 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 ARG A 258 103.23 -45.80 REMARK 500 ASP A 336 37.69 -150.79 REMARK 500 ASP A 354 94.25 68.54 REMARK 500 ASN A 372 71.70 -151.68 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 SO4 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 IYZ A 503 REMARK 800 REMARK 800 SITE_IDENTIFIER: AC4 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE GOL A 504 REMARK 800 REMARK 800 SITE_IDENTIFIER: AC5 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE GOL A 505 REMARK 800 REMARK 800 SITE_IDENTIFIER: AC6 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE GOL A 506 REMARK 800 REMARK 800 SITE_IDENTIFIER: AC7 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE GOL A 507 REMARK 900 REMARK 900 RELATED ENTRIES REMARK 900 RELATED ID: 3MTF RELATED DB: PDB REMARK 900 ACVR1 COMPLEXED WITH A 2-AMINOPYRIDINE INHIBITOR REMARK 900 RELATED ID: 3OOM RELATED DB: PDB REMARK 900 ACVR1 COMPLEXED WITH K00507 DBREF 4DYM A 201 499 UNP Q04771 ACVR1_HUMAN 201 499 SEQADV 4DYM SER A 199 UNP Q04771 EXPRESSION TAG SEQADV 4DYM MET A 200 UNP Q04771 EXPRESSION TAG SEQADV 4DYM HIS A 206 UNP Q04771 ARG 206 ENGINEERED MUTATION SEQRES 1 A 301 SER MET GLN ARG THR VAL ALA HIS GLN 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 HET SO4 A 501 5 HET SO4 A 502 5 HET IYZ A 503 23 HET GOL A 504 6 HET GOL A 505 6 HET GOL A 506 6 HET GOL A 507 6 HETNAM SO4 SULFATE ION HETNAM IYZ 1-(3-{6-[(CYCLOPROPYLMETHYL)AMINO]IMIDAZO[1,2- HETNAM 2 IYZ B]PYRIDAZIN-3-YL}PHENYL)ETHANONE HETNAM GOL GLYCEROL HETSYN IYZ IMIDAZOPYRIDAZIN 1 HETSYN GOL GLYCERIN; PROPANE-1,2,3-TRIOL FORMUL 2 SO4 2(O4 S 2-) FORMUL 4 IYZ C18 H18 N4 O FORMUL 5 GOL 4(C3 H8 O3) FORMUL 9 HOH *124(H2 O) HELIX 1 1 SER A 238 ARG A 240 5 3 HELIX 2 2 ASP A 241 VAL A 255 1 15 HELIX 3 3 LEU A 291 THR A 298 1 8 HELIX 4 4 ASP A 301 ILE A 321 1 21 HELIX 5 5 LYS A 338 LYS A 340 5 3 HELIX 6 6 THR A 378 MET A 382 5 5 HELIX 7 7 ALA A 383 ASP A 388 1 6 HELIX 8 8 CYS A 395 ARG A 416 1 22 HELIX 9 9 SER A 440 CYS A 449 1 10 HELIX 10 10 PRO A 458 SER A 463 5 6 HELIX 11 11 ASP A 464 GLU A 476 1 13 HELIX 12 12 ASN A 481 ARG A 485 5 5 HELIX 13 13 THR A 487 ILE A 498 1 12 SHEET 1 A 5 ILE A 208 GLY A 217 0 SHEET 2 A 5 GLY A 220 TRP A 227 -1 O ARG A 224 N GLU A 212 SHEET 3 A 5 GLU A 230 ILE A 236 -1 O ILE A 236 N GLU A 221 SHEET 4 A 5 SER A 276 THR A 283 -1 O THR A 283 N ALA A 233 SHEET 5 A 5 PHE A 265 ARG A 273 -1 N THR A 271 O GLN A 278 SHEET 1 B 3 GLY A 289 SER A 290 0 SHEET 2 B 3 ILE A 342 VAL A 344 -1 O VAL A 344 N GLY A 289 SHEET 3 B 3 CYS A 350 ILE A 352 -1 O CYS A 351 N LEU A 343 SHEET 1 C 2 ALA A 331 ALA A 333 0 SHEET 2 C 2 VAL A 359 HIS A 361 -1 O HIS A 361 N ALA A 331 SITE 1 AC1 5 ARG A 380 ASN A 437 ASP A 438 HOH A 647 SITE 2 AC1 5 HOH A 660 SITE 1 AC2 6 HIS A 286 LYS A 345 LYS A 346 HOH A 661 SITE 2 AC2 6 HOH A 682 HOH A 683 SITE 1 AC3 12 ALA A 233 LEU A 263 THR A 283 HIS A 284 SITE 2 AC3 12 TYR A 285 HIS A 286 GLY A 289 SER A 290 SITE 3 AC3 12 LYS A 340 LEU A 343 ALA A 353 GOL A 505 SITE 1 AC4 4 ARG A 416 GLU A 425 TYR A 432 HOH A 686 SITE 1 AC5 8 TYR A 219 LYS A 235 LYS A 338 ASN A 341 SITE 2 AC5 8 ASP A 354 IYZ A 503 GOL A 507 HOH A 639 SITE 1 AC6 2 TYR A 432 ASP A 433 SITE 1 AC7 4 ARG A 218 TYR A 219 GOL A 505 HOH A 639 CRYST1 57.800 81.860 140.390 90.00 90.00 90.00 C 2 2 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 0.017301 0.000000 0.000000 0.00000 SCALE2 0.000000 0.012216 0.000000 0.00000 SCALE3 0.000000 0.000000 0.007123 0.00000