HEADER SIGNALING PROTEIN 06-SEP-17 5OXG TITLE CRYSTAL STRUCTURE OF THE ACVR1 (ALK2) KINASE IN COMPLEX WITH LDN- TITLE 2 212854 COMPND MOL_ID: 1; COMPND 2 MOLECULE: ACTIVIN RECEPTOR TYPE-1; COMPND 3 CHAIN: A, B, C, D; 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 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 KEYWDS KINASE, ALK2, RECEPTOR, BMP, STRUCTURAL GENOMICS, STRUCTURAL GENOMICS KEYWDS 2 CONSORTIUM, SGC, SIGNALING PROTEIN EXPDTA X-RAY DIFFRACTION AUTHOR E.P.WILLIAMS,F.J.SORRELL,J.KOPEC,R.P.NOWAK,K.KUPINSKA,F.VON DELFT, AUTHOR 2 N.BURGESS-BROWN,C.H.ARROWSMITH,A.M.EDWARDS,C.BOUNTRA,A.N.BULLOCK, AUTHOR 3 STRUCTURAL GENOMICS CONSORTIUM (SGC) REVDAT 5 17-JAN-24 5OXG 1 REMARK REVDAT 4 04-APR-18 5OXG 1 JRNL REVDAT 3 24-JAN-18 5OXG 1 AUTHOR REVDAT 2 27-SEP-17 5OXG 1 JRNL REVDAT 1 20-SEP-17 5OXG 0 JRNL AUTH E.WILLIAMS,A.N.BULLOCK JRNL TITL STRUCTURAL BASIS FOR THE POTENT AND SELECTIVE BINDING OF JRNL TITL 2 LDN-212854 TO THE BMP RECEPTOR KINASE ALK2. JRNL REF BONE V. 109 251 2018 JRNL REFN ISSN 1873-2763 JRNL PMID 28918311 JRNL DOI 10.1016/J.BONE.2017.09.004 REMARK 2 REMARK 2 RESOLUTION. 2.13 ANGSTROMS. REMARK 3 REMARK 3 REFINEMENT. REMARK 3 PROGRAM : REFMAC 5.8.0158 REMARK 3 AUTHORS : MURSHUDOV,SKUBAK,LEBEDEV,PANNU,STEINER, REMARK 3 : NICHOLLS,WINN,LONG,VAGIN REMARK 3 REMARK 3 REFINEMENT TARGET : NULL REMARK 3 REMARK 3 DATA USED IN REFINEMENT. REMARK 3 RESOLUTION RANGE HIGH (ANGSTROMS) : 2.13 REMARK 3 RESOLUTION RANGE LOW (ANGSTROMS) : 65.65 REMARK 3 DATA CUTOFF (SIGMA(F)) : NULL REMARK 3 COMPLETENESS FOR RANGE (%) : 99.6 REMARK 3 NUMBER OF REFLECTIONS : 84441 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) : 0.207 REMARK 3 R VALUE (WORKING SET) : 0.206 REMARK 3 FREE R VALUE : 0.232 REMARK 3 FREE R VALUE TEST SET SIZE (%) : 4.800 REMARK 3 FREE R VALUE TEST SET COUNT : 4290 REMARK 3 REMARK 3 FIT IN THE HIGHEST RESOLUTION BIN. REMARK 3 TOTAL NUMBER OF BINS USED : NULL REMARK 3 BIN RESOLUTION RANGE HIGH (A) : 2.13 REMARK 3 BIN RESOLUTION RANGE LOW (A) : 2.16 REMARK 3 REFLECTION IN BIN (WORKING SET) : 6181 REMARK 3 BIN COMPLETENESS (WORKING+TEST) (%) : 99.54 REMARK 3 BIN R VALUE (WORKING SET) : 0.3110 REMARK 3 BIN FREE R VALUE SET COUNT : 335 REMARK 3 BIN FREE R VALUE : 0.3190 REMARK 3 REMARK 3 NUMBER OF NON-HYDROGEN ATOMS USED IN REFINEMENT. REMARK 3 PROTEIN ATOMS : 9312 REMARK 3 NUCLEIC ACID ATOMS : 0 REMARK 3 HETEROGEN ATOMS : 134 REMARK 3 SOLVENT ATOMS : 353 REMARK 3 REMARK 3 B VALUES. REMARK 3 FROM WILSON PLOT (A**2) : 40.80 REMARK 3 MEAN B VALUE (OVERALL, A**2) : 45.97 REMARK 3 OVERALL ANISOTROPIC B VALUE. REMARK 3 B11 (A**2) : -2.40000 REMARK 3 B22 (A**2) : 1.00000 REMARK 3 B33 (A**2) : 1.00000 REMARK 3 B12 (A**2) : 0.00000 REMARK 3 B13 (A**2) : 2.81000 REMARK 3 B23 (A**2) : 0.00000 REMARK 3 REMARK 3 ESTIMATED OVERALL COORDINATE ERROR. REMARK 3 ESU BASED ON R VALUE (A): 0.206 REMARK 3 ESU BASED ON FREE R VALUE (A): 0.170 REMARK 3 ESU BASED ON MAXIMUM LIKELIHOOD (A): 0.148 REMARK 3 ESU FOR B VALUES BASED ON MAXIMUM LIKELIHOOD (A**2): 5.988 REMARK 3 REMARK 3 CORRELATION COEFFICIENTS. REMARK 3 CORRELATION COEFFICIENT FO-FC : 0.958 REMARK 3 CORRELATION COEFFICIENT FO-FC FREE : 0.946 REMARK 3 REMARK 3 RMS DEVIATIONS FROM IDEAL VALUES COUNT RMS WEIGHT REMARK 3 BOND LENGTHS REFINED ATOMS (A): 9725 ; 0.010 ; 0.019 REMARK 3 BOND LENGTHS OTHERS (A): 8879 ; 0.002 ; 0.020 REMARK 3 BOND ANGLES REFINED ATOMS (DEGREES): 13238 ; 1.369 ; 1.962 REMARK 3 BOND ANGLES OTHERS (DEGREES): 20522 ; 0.929 ; 3.000 REMARK 3 TORSION ANGLES, PERIOD 1 (DEGREES): 1193 ; 6.088 ; 5.000 REMARK 3 TORSION ANGLES, PERIOD 2 (DEGREES): 421 ;37.363 ;23.872 REMARK 3 TORSION ANGLES, PERIOD 3 (DEGREES): 1628 ;13.648 ;15.000 REMARK 3 TORSION ANGLES, PERIOD 4 (DEGREES): 60 ;21.385 ;15.000 REMARK 3 CHIRAL-CENTER RESTRAINTS (A**3): 1483 ; 0.081 ; 0.200 REMARK 3 GENERAL PLANES REFINED ATOMS (A): 10723 ; 0.005 ; 0.020 REMARK 3 GENERAL PLANES OTHERS (A): 2025 ; 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): 4742 ; 2.711 ; 4.650 REMARK 3 MAIN-CHAIN BOND OTHER ATOMS (A**2): 4741 ; 2.711 ; 4.650 REMARK 3 MAIN-CHAIN ANGLE REFINED ATOMS (A**2): 5921 ; 4.174 ; 6.965 REMARK 3 MAIN-CHAIN ANGLE OTHER ATOMS (A**2): 5922 ; 4.173 ; 6.965 REMARK 3 SIDE-CHAIN BOND REFINED ATOMS (A**2): 4981 ; 2.932 ; 4.840 REMARK 3 SIDE-CHAIN BOND OTHER ATOMS (A**2): 4981 ; 2.931 ; 4.840 REMARK 3 SIDE-CHAIN ANGLE REFINED ATOMS (A**2): NULL ; NULL ; NULL REMARK 3 SIDE-CHAIN ANGLE OTHER ATOMS (A**2): 7308 ; 4.533 ; 7.166 REMARK 3 LONG RANGE B REFINED ATOMS (A**2): 11153 ;11.351 ;54.059 REMARK 3 LONG RANGE B OTHER ATOMS (A**2): 11151 ;11.352 ;54.035 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 NCS TYPE: LOCAL REMARK 3 NUMBER OF DIFFERENT NCS PAIRS : 6 REMARK 3 GROUP CHAIN1 RANGE CHAIN2 RANGE COUNT RMS WEIGHT REMARK 3 1 A 203 498 B 203 498 19042 0.06 0.05 REMARK 3 2 A 203 497 C 203 497 19154 0.06 0.05 REMARK 3 3 A 204 497 D 204 497 18982 0.06 0.05 REMARK 3 4 B 203 497 C 203 497 19114 0.05 0.05 REMARK 3 5 B 204 498 D 204 498 18802 0.06 0.05 REMARK 3 6 C 204 498 D 204 498 19102 0.05 0.05 REMARK 3 REMARK 3 TLS DETAILS REMARK 3 NUMBER OF TLS GROUPS : NULL REMARK 3 REMARK 3 BULK SOLVENT MODELLING. REMARK 3 METHOD USED : NULL 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 5OXG COMPLIES WITH FORMAT V. 3.30, 13-JUL-11 REMARK 100 REMARK 100 THIS ENTRY HAS BEEN PROCESSED BY PDBE ON 07-SEP-17. REMARK 100 THE DEPOSITION ID IS D_1200006521. REMARK 200 REMARK 200 EXPERIMENTAL DETAILS REMARK 200 EXPERIMENT TYPE : X-RAY DIFFRACTION REMARK 200 DATE OF DATA COLLECTION : 06-DEC-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 : 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) : 0.9762 REMARK 200 MONOCHROMATOR : DOUBLE CRYSTAL REMARK 200 OPTICS : KIRKPATRICK BAEZ BIMORPH MIRROR REMARK 200 PAIR FOR HORIZONTAL AND VERTICAL REMARK 200 FOCUSING REMARK 200 REMARK 200 DETECTOR TYPE : PIXEL REMARK 200 DETECTOR MANUFACTURER : DECTRIS PILATUS 6M REMARK 200 INTENSITY-INTEGRATION SOFTWARE : IMOSFLM 7.2.1 REMARK 200 DATA SCALING SOFTWARE : AIMLESS 7.0.044 REMARK 200 REMARK 200 NUMBER OF UNIQUE REFLECTIONS : 88737 REMARK 200 RESOLUTION RANGE HIGH (A) : 2.130 REMARK 200 RESOLUTION RANGE LOW (A) : 65.650 REMARK 200 REJECTION CRITERIA (SIGMA(I)) : NULL REMARK 200 REMARK 200 OVERALL. REMARK 200 COMPLETENESS FOR RANGE (%) : 99.6 REMARK 200 DATA REDUNDANCY : 3.100 REMARK 200 R MERGE (I) : 0.07700 REMARK 200 R SYM (I) : NULL REMARK 200 FOR THE DATA SET : 8.0000 REMARK 200 REMARK 200 IN THE HIGHEST RESOLUTION SHELL. REMARK 200 HIGHEST RESOLUTION SHELL, RANGE HIGH (A) : 2.10 REMARK 200 HIGHEST RESOLUTION SHELL, RANGE LOW (A) : 2.14 REMARK 200 COMPLETENESS FOR SHELL (%) : 99.6 REMARK 200 DATA REDUNDANCY IN SHELL : 3.10 REMARK 200 R MERGE FOR SHELL (I) : 0.53900 REMARK 200 R SYM FOR SHELL (I) : NULL REMARK 200 FOR SHELL : 1.900 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: NULL REMARK 280 REMARK 280 CRYSTAL REMARK 280 SOLVENT CONTENT, VS (%): 56.29 REMARK 280 MATTHEWS COEFFICIENT, VM (ANGSTROMS**3/DA): 2.81 REMARK 280 REMARK 280 CRYSTALLIZATION CONDITIONS: 18% PEG8000 -- 0.2M CALCIUM ACETATE -- REMARK 280 0.1M CACODYLATE PH 6.5, VAPOR DIFFUSION, SITTING DROP, REMARK 280 TEMPERATURE 277K REMARK 290 REMARK 290 CRYSTALLOGRAPHIC SYMMETRY REMARK 290 SYMMETRY OPERATORS FOR SPACE GROUP: I 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+1/2 REMARK 290 4555 -X+1/2,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 36.80783 REMARK 290 SMTRY2 3 0.000000 1.000000 0.000000 51.10050 REMARK 290 SMTRY3 3 0.000000 0.000000 1.000000 88.43835 REMARK 290 SMTRY1 4 -1.000000 0.000000 0.000000 36.80783 REMARK 290 SMTRY2 4 0.000000 1.000000 0.000000 51.10050 REMARK 290 SMTRY3 4 0.000000 0.000000 -1.000000 88.43835 REMARK 290 REMARK 290 REMARK: NULL REMARK 300 REMARK 300 BIOMOLECULE: 1, 2, 3, 4 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 350 REMARK 350 BIOMOLECULE: 3 REMARK 350 AUTHOR DETERMINED BIOLOGICAL UNIT: MONOMERIC REMARK 350 APPLY THE FOLLOWING TO CHAINS: C 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: 4 REMARK 350 AUTHOR DETERMINED BIOLOGICAL UNIT: MONOMERIC REMARK 350 APPLY THE FOLLOWING TO CHAINS: D 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 ARG A 273 REMARK 465 HIS A 274 REMARK 465 SER A 275 REMARK 465 ASP A 499 REMARK 465 SER B 199 REMARK 465 MET B 200 REMARK 465 GLN B 201 REMARK 465 ARG B 202 REMARK 465 ASP B 499 REMARK 465 SER D 199 REMARK 465 MET D 200 REMARK 465 GLN D 201 REMARK 465 ARG D 202 REMARK 465 THR D 203 REMARK 465 ARG D 273 REMARK 465 HIS D 274 REMARK 465 SER D 275 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 LYS A 216 CE NZ REMARK 470 ARG A 218 CG CD NE CZ NH1 NH2 REMARK 470 ARG A 240 NE CZ NH1 NH2 REMARK 470 ARG A 258 CZ NH1 NH2 REMARK 470 SER A 276 OG REMARK 470 GLN A 278 CG CD OE1 NE2 REMARK 470 LEU A 297 CG CD1 CD2 REMARK 470 LYS A 346 CE NZ REMARK 470 GLU A 442 CG CD OE1 OE2 REMARK 470 LYS A 472 CE NZ REMARK 470 LYS A 475 CD CE NZ REMARK 470 LYS B 216 CD CE NZ REMARK 470 ARG B 218 CG CD NE CZ NH1 NH2 REMARK 470 ARG B 240 CZ NH1 NH2 REMARK 470 ARG B 258 NE CZ NH1 NH2 REMARK 470 SER B 275 OG REMARK 470 LEU B 297 CG CD1 CD2 REMARK 470 LYS B 346 CD CE NZ 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 VAL B 376 CG1 CG2 REMARK 470 ARG B 445 CZ NH1 NH2 REMARK 470 LYS B 446 CG CD CE NZ REMARK 470 LYS B 475 CG CD CE NZ REMARK 470 LYS B 497 CG CD CE NZ REMARK 470 LYS C 216 CG CD CE NZ REMARK 470 ARG C 218 CG CD NE CZ NH1 NH2 REMARK 470 GLU C 230 CD OE1 OE2 REMARK 470 ARG C 240 CG CD NE CZ NH1 NH2 REMARK 470 ARG C 258 CZ NH1 NH2 REMARK 470 HIS C 274 CG ND1 CD2 CE1 NE2 REMARK 470 SER C 275 OG REMARK 470 LYS C 346 CE NZ REMARK 470 ASN C 421 CG OD1 ND2 REMARK 470 LYS C 446 CG CD CE NZ REMARK 470 LYS C 472 CG CD CE NZ REMARK 470 LYS C 475 CG CD CE NZ REMARK 470 ARG C 490 CZ NH1 NH2 REMARK 470 LYS C 493 CE NZ REMARK 470 LYS C 497 CG CD CE NZ REMARK 470 ASP C 499 CG OD1 OD2 REMARK 470 ARG D 206 CG CD NE CZ NH1 NH2 REMARK 470 LYS D 216 CG CD CE NZ REMARK 470 ARG D 218 CG CD NE CZ NH1 NH2 REMARK 470 ARG D 240 CG CD NE CZ NH1 NH2 REMARK 470 ARG D 258 NE CZ NH1 NH2 REMARK 470 SER D 276 OG REMARK 470 THR D 326 OG1 CG2 REMARK 470 LYS D 346 CG CD CE NZ REMARK 470 GLN D 363 CG CD OE1 NE2 REMARK 470 SER D 364 OG REMARK 470 GLN D 367 CD OE1 NE2 REMARK 470 LYS D 446 CG CD CE NZ REMARK 470 ARG D 490 CZ NH1 NH2 REMARK 470 LYS D 497 NZ 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 ND2 ASN A 253 OG SER D 272 4955 1.86 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 335 -2.58 77.93 REMARK 500 ASP A 336 47.44 -141.54 REMARK 500 ASP A 354 82.20 68.98 REMARK 500 ASN A 372 74.16 -152.56 REMARK 500 SER B 275 -5.40 81.31 REMARK 500 ARG B 335 -1.00 76.79 REMARK 500 ASP B 336 45.20 -141.79 REMARK 500 ASP B 354 83.83 67.77 REMARK 500 ASN B 372 79.57 -154.89 REMARK 500 HIS C 259 148.34 -171.28 REMARK 500 SER C 275 -2.62 79.72 REMARK 500 ARG C 335 -1.83 76.99 REMARK 500 ASP C 336 45.86 -141.34 REMARK 500 ASP C 354 82.33 68.52 REMARK 500 ASN C 372 72.55 -154.75 REMARK 500 HIS D 259 147.20 -170.58 REMARK 500 ARG D 335 -2.23 77.97 REMARK 500 ASP D 336 46.41 -141.94 REMARK 500 ASP D 354 82.75 68.25 REMARK 500 ASN D 372 72.32 -151.91 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 CA A 503 CA REMARK 620 N RES CSSEQI ATOM REMARK 620 1 GLU A 413 O REMARK 620 2 LYS A 428 O 134.9 REMARK 620 N 1 REMARK 620 REMARK 620 COORDINATION ANGLES FOR: M RES CSSEQI METAL REMARK 620 CA C 503 CA REMARK 620 N RES CSSEQI ATOM REMARK 620 1 GLU C 413 O REMARK 620 2 LYS C 428 O 137.3 REMARK 620 N 1 REMARK 800 REMARK 800 SITE REMARK 800 SITE_IDENTIFIER: AC1 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: binding site for residue B4B A 501 REMARK 800 REMARK 800 SITE_IDENTIFIER: AC2 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: binding site for residue CA A 502 REMARK 800 REMARK 800 SITE_IDENTIFIER: AC3 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: binding site for residue CA A 503 REMARK 800 REMARK 800 SITE_IDENTIFIER: AC4 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: binding site for residue B4B B 501 REMARK 800 REMARK 800 SITE_IDENTIFIER: AC5 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: binding site for residue CA B 502 REMARK 800 REMARK 800 SITE_IDENTIFIER: AC6 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: binding site for residue B4B C 501 REMARK 800 REMARK 800 SITE_IDENTIFIER: AC7 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: binding site for residue CA C 503 REMARK 800 REMARK 800 SITE_IDENTIFIER: AC8 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: binding site for residue B4B D 501 REMARK 800 REMARK 800 SITE_IDENTIFIER: AC9 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: binding site for residue EDO D 502 REMARK 800 REMARK 800 SITE_IDENTIFIER: AD1 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: binding site for residue CA D 503 DBREF 5OXG A 201 499 UNP Q04771 ACVR1_HUMAN 201 499 DBREF 5OXG B 201 499 UNP Q04771 ACVR1_HUMAN 201 499 DBREF 5OXG C 201 499 UNP Q04771 ACVR1_HUMAN 201 499 DBREF 5OXG D 201 499 UNP Q04771 ACVR1_HUMAN 201 499 SEQADV 5OXG SER A 199 UNP Q04771 EXPRESSION TAG SEQADV 5OXG MET A 200 UNP Q04771 EXPRESSION TAG SEQADV 5OXG ASP A 207 UNP Q04771 GLN 207 ENGINEERED MUTATION SEQADV 5OXG SER B 199 UNP Q04771 EXPRESSION TAG SEQADV 5OXG MET B 200 UNP Q04771 EXPRESSION TAG SEQADV 5OXG ASP B 207 UNP Q04771 GLN 207 ENGINEERED MUTATION SEQADV 5OXG SER C 199 UNP Q04771 EXPRESSION TAG SEQADV 5OXG MET C 200 UNP Q04771 EXPRESSION TAG SEQADV 5OXG ASP C 207 UNP Q04771 GLN 207 ENGINEERED MUTATION SEQADV 5OXG SER D 199 UNP Q04771 EXPRESSION TAG SEQADV 5OXG MET D 200 UNP Q04771 EXPRESSION TAG SEQADV 5OXG ASP D 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 SEQRES 1 C 301 SER MET GLN ARG THR VAL ALA ARG ASP ILE THR LEU LEU SEQRES 2 C 301 GLU CYS VAL GLY LYS GLY ARG TYR GLY GLU VAL TRP ARG SEQRES 3 C 301 GLY SER TRP GLN GLY GLU ASN VAL ALA VAL LYS ILE PHE SEQRES 4 C 301 SER SER ARG ASP GLU LYS SER TRP PHE ARG GLU THR GLU SEQRES 5 C 301 LEU TYR ASN THR VAL MET LEU ARG HIS GLU ASN ILE LEU SEQRES 6 C 301 GLY PHE ILE ALA SER ASP MET THR SER ARG HIS SER SER SEQRES 7 C 301 THR GLN LEU TRP LEU ILE THR HIS TYR HIS GLU MET GLY SEQRES 8 C 301 SER LEU TYR ASP TYR LEU GLN LEU THR THR LEU ASP THR SEQRES 9 C 301 VAL SER CYS LEU ARG ILE VAL LEU SER ILE ALA SER GLY SEQRES 10 C 301 LEU ALA HIS LEU HIS ILE GLU ILE PHE GLY THR GLN GLY SEQRES 11 C 301 LYS PRO ALA ILE ALA HIS ARG ASP LEU LYS SER LYS ASN SEQRES 12 C 301 ILE LEU VAL LYS LYS ASN GLY GLN CYS CYS ILE ALA ASP SEQRES 13 C 301 LEU GLY LEU ALA VAL MET HIS SER GLN SER THR ASN GLN SEQRES 14 C 301 LEU ASP VAL GLY ASN ASN PRO ARG VAL GLY THR LYS ARG SEQRES 15 C 301 TYR MET ALA PRO GLU VAL LEU ASP GLU THR ILE GLN VAL SEQRES 16 C 301 ASP CYS PHE ASP SER TYR LYS ARG VAL ASP ILE TRP ALA SEQRES 17 C 301 PHE GLY LEU VAL LEU TRP GLU VAL ALA ARG ARG MET VAL SEQRES 18 C 301 SER ASN GLY ILE VAL GLU ASP TYR LYS PRO PRO PHE TYR SEQRES 19 C 301 ASP VAL VAL PRO ASN ASP PRO SER PHE GLU ASP MET ARG SEQRES 20 C 301 LYS VAL VAL CYS VAL ASP GLN GLN ARG PRO ASN ILE PRO SEQRES 21 C 301 ASN ARG TRP PHE SER ASP PRO THR LEU THR SER LEU ALA SEQRES 22 C 301 LYS LEU MET LYS GLU CYS TRP TYR GLN ASN PRO SER ALA SEQRES 23 C 301 ARG LEU THR ALA LEU ARG ILE LYS LYS THR LEU THR LYS SEQRES 24 C 301 ILE ASP SEQRES 1 D 301 SER MET GLN ARG THR VAL ALA ARG ASP ILE THR LEU LEU SEQRES 2 D 301 GLU CYS VAL GLY LYS GLY ARG TYR GLY GLU VAL TRP ARG SEQRES 3 D 301 GLY SER TRP GLN GLY GLU ASN VAL ALA VAL LYS ILE PHE SEQRES 4 D 301 SER SER ARG ASP GLU LYS SER TRP PHE ARG GLU THR GLU SEQRES 5 D 301 LEU TYR ASN THR VAL MET LEU ARG HIS GLU ASN ILE LEU SEQRES 6 D 301 GLY PHE ILE ALA SER ASP MET THR SER ARG HIS SER SER SEQRES 7 D 301 THR GLN LEU TRP LEU ILE THR HIS TYR HIS GLU MET GLY SEQRES 8 D 301 SER LEU TYR ASP TYR LEU GLN LEU THR THR LEU ASP THR SEQRES 9 D 301 VAL SER CYS LEU ARG ILE VAL LEU SER ILE ALA SER GLY SEQRES 10 D 301 LEU ALA HIS LEU HIS ILE GLU ILE PHE GLY THR GLN GLY SEQRES 11 D 301 LYS PRO ALA ILE ALA HIS ARG ASP LEU LYS SER LYS ASN SEQRES 12 D 301 ILE LEU VAL LYS LYS ASN GLY GLN CYS CYS ILE ALA ASP SEQRES 13 D 301 LEU GLY LEU ALA VAL MET HIS SER GLN SER THR ASN GLN SEQRES 14 D 301 LEU ASP VAL GLY ASN ASN PRO ARG VAL GLY THR LYS ARG SEQRES 15 D 301 TYR MET ALA PRO GLU VAL LEU ASP GLU THR ILE GLN VAL SEQRES 16 D 301 ASP CYS PHE ASP SER TYR LYS ARG VAL ASP ILE TRP ALA SEQRES 17 D 301 PHE GLY LEU VAL LEU TRP GLU VAL ALA ARG ARG MET VAL SEQRES 18 D 301 SER ASN GLY ILE VAL GLU ASP TYR LYS PRO PRO PHE TYR SEQRES 19 D 301 ASP VAL VAL PRO ASN ASP PRO SER PHE GLU ASP MET ARG SEQRES 20 D 301 LYS VAL VAL CYS VAL ASP GLN GLN ARG PRO ASN ILE PRO SEQRES 21 D 301 ASN ARG TRP PHE SER ASP PRO THR LEU THR SER LEU ALA SEQRES 22 D 301 LYS LEU MET LYS GLU CYS TRP TYR GLN ASN PRO SER ALA SEQRES 23 D 301 ARG LEU THR ALA LEU ARG ILE LYS LYS THR LEU THR LYS SEQRES 24 D 301 ILE ASP HET B4B A 501 31 HET CA A 502 1 HET CA A 503 1 HET B4B B 501 31 HET CA B 502 1 HET B4B C 501 31 HET CA C 502 1 HET CA C 503 1 HET B4B D 501 31 HET EDO D 502 4 HET CA D 503 1 HETNAM B4B 5-[6-(4-PIPERAZIN-1-YLPHENYL)PYRAZOLO[1,5-A]PYRIMIDIN- HETNAM 2 B4B 3-YL]QUINOLINE HETNAM CA CALCIUM ION HETNAM EDO 1,2-ETHANEDIOL HETSYN EDO ETHYLENE GLYCOL FORMUL 5 B4B 4(C25 H22 N6) FORMUL 6 CA 6(CA 2+) FORMUL 14 EDO C2 H6 O2 FORMUL 16 HOH *353(H2 O) HELIX 1 AA1 VAL A 204 ILE A 208 5 5 HELIX 2 AA2 ASP A 241 THR A 254 1 14 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 TRP A 478 1 15 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 VAL B 204 ILE B 208 5 5 HELIX 15 AB6 ASP B 241 THR B 254 1 14 HELIX 16 AB7 SER B 290 THR B 298 1 9 HELIX 17 AB8 ASP B 301 ILE B 321 1 21 HELIX 18 AB9 LYS B 338 LYS B 340 5 3 HELIX 19 AC1 THR B 378 MET B 382 5 5 HELIX 20 AC2 ALA B 383 ASP B 388 1 6 HELIX 21 AC3 CYS B 395 ARG B 416 1 22 HELIX 22 AC4 SER B 440 CYS B 449 1 10 HELIX 23 AC5 PRO B 458 SER B 463 5 6 HELIX 24 AC6 ASP B 464 TRP B 478 1 15 HELIX 25 AC7 ASN B 481 ARG B 485 5 5 HELIX 26 AC8 THR B 487 ILE B 498 1 12 HELIX 27 AC9 VAL C 204 ILE C 208 5 5 HELIX 28 AD1 ASP C 241 THR C 254 1 14 HELIX 29 AD2 SER C 290 THR C 298 1 9 HELIX 30 AD3 ASP C 301 ILE C 321 1 21 HELIX 31 AD4 LYS C 338 LYS C 340 5 3 HELIX 32 AD5 THR C 378 MET C 382 5 5 HELIX 33 AD6 ALA C 383 ASP C 388 1 6 HELIX 34 AD7 CYS C 395 ARG C 416 1 22 HELIX 35 AD8 SER C 440 CYS C 449 1 10 HELIX 36 AD9 PRO C 458 SER C 463 5 6 HELIX 37 AE1 ASP C 464 TRP C 478 1 15 HELIX 38 AE2 ASN C 481 ARG C 485 5 5 HELIX 39 AE3 THR C 487 ILE C 498 1 12 HELIX 40 AE4 VAL D 204 ILE D 208 5 5 HELIX 41 AE5 ASP D 241 THR D 254 1 14 HELIX 42 AE6 SER D 290 THR D 298 1 9 HELIX 43 AE7 ASP D 301 ILE D 321 1 21 HELIX 44 AE8 LYS D 338 LYS D 340 5 3 HELIX 45 AE9 THR D 378 MET D 382 5 5 HELIX 46 AF1 ALA D 383 ASP D 388 1 6 HELIX 47 AF2 CYS D 395 ARG D 416 1 22 HELIX 48 AF3 SER D 440 CYS D 449 1 10 HELIX 49 AF4 PRO D 458 SER D 463 5 6 HELIX 50 AF5 ASP D 464 TRP D 478 1 15 HELIX 51 AF6 ASN D 481 ARG D 485 5 5 HELIX 52 AF7 THR D 487 ILE D 498 1 12 SHEET 1 AA1 5 THR A 209 LYS A 216 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 GLN A 278 THR A 283 -1 O LEU A 281 N LYS A 235 SHEET 5 AA1 5 PHE A 265 THR A 271 -1 N ASP A 269 O TRP A 280 SHEET 1 AA2 3 ALA A 331 ALA A 333 0 SHEET 2 AA2 3 VAL A 359 SER A 362 -1 O VAL A 359 N ALA A 333 SHEET 3 AA2 3 GLN A 367 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 LYS B 216 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 THR B 283 -1 O LEU B 281 N LYS B 235 SHEET 5 AA4 5 PHE B 265 ARG B 273 -1 N ASP B 269 O TRP B 280 SHEET 1 AA5 3 ALA B 331 ALA B 333 0 SHEET 2 AA5 3 VAL B 359 SER B 362 -1 O VAL B 359 N ALA B 333 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 SHEET 1 AA7 5 THR C 209 LYS C 216 0 SHEET 2 AA7 5 GLY C 220 TRP C 227 -1 O ARG C 224 N GLU C 212 SHEET 3 AA7 5 GLU C 230 PHE C 237 -1 O VAL C 232 N GLY C 225 SHEET 4 AA7 5 SER C 276 THR C 283 -1 O LEU C 281 N LYS C 235 SHEET 5 AA7 5 PHE C 265 ARG C 273 -1 N ASP C 269 O TRP C 280 SHEET 1 AA8 3 ALA C 331 ALA C 333 0 SHEET 2 AA8 3 VAL C 359 SER C 362 -1 O VAL C 359 N ALA C 333 SHEET 3 AA8 3 GLN C 367 ASP C 369 -1 O ASP C 369 N MET C 360 SHEET 1 AA9 2 ILE C 342 VAL C 344 0 SHEET 2 AA9 2 CYS C 350 ILE C 352 -1 O CYS C 351 N LEU C 343 SHEET 1 AB1 5 THR D 209 LYS D 216 0 SHEET 2 AB1 5 GLY D 220 TRP D 227 -1 O ARG D 224 N GLU D 212 SHEET 3 AB1 5 GLU D 230 PHE D 237 -1 O VAL D 232 N GLY D 225 SHEET 4 AB1 5 GLN D 278 THR D 283 -1 O LEU D 281 N LYS D 235 SHEET 5 AB1 5 PHE D 265 THR D 271 -1 N ASP D 269 O TRP D 280 SHEET 1 AB2 3 ALA D 331 ALA D 333 0 SHEET 2 AB2 3 VAL D 359 SER D 362 -1 O VAL D 359 N ALA D 333 SHEET 3 AB2 3 GLN D 367 ASP D 369 -1 O ASP D 369 N MET D 360 SHEET 1 AB3 2 ILE D 342 VAL D 344 0 SHEET 2 AB3 2 CYS D 350 ILE D 352 -1 O CYS D 351 N LEU D 343 SSBOND 1 CYS A 395 CYS C 395 1555 1555 2.09 SSBOND 2 CYS B 395 CYS D 395 1555 1455 2.16 LINK O GLU A 413 CA CA A 503 1555 1555 2.82 LINK O LYS A 428 CA CA A 503 1555 1555 3.02 LINK O GLU B 413 CA CA B 502 1555 1555 2.58 LINK O GLU C 413 CA CA C 503 1555 1555 2.88 LINK O LYS C 428 CA CA C 503 1555 1555 2.95 LINK O GLU D 413 CA CA D 503 1555 1555 2.62 SITE 1 AC1 17 VAL A 214 VAL A 222 ALA A 233 LEU A 263 SITE 2 AC1 17 THR A 283 HIS A 284 TYR A 285 HIS A 286 SITE 3 AC1 17 GLU A 287 GLY A 289 ASP A 293 ASN A 341 SITE 4 AC1 17 LEU A 343 HOH A 626 HOH A 630 HOH A 650 SITE 5 AC1 17 HOH A 682 SITE 1 AC2 4 THR A 203 ASP A 269 MET A 270 THR A 271 SITE 1 AC3 4 GLU A 413 ARG A 416 TYR A 427 LYS A 428 SITE 1 AC4 14 PHE A 462 VAL B 214 VAL B 222 ALA B 233 SITE 2 AC4 14 LEU B 263 THR B 283 HIS B 284 TYR B 285 SITE 3 AC4 14 HIS B 286 GLU B 287 GLY B 289 ASP B 293 SITE 4 AC4 14 ASN B 341 LEU B 343 SITE 1 AC5 4 GLU B 413 ARG B 416 TYR B 427 LYS B 428 SITE 1 AC6 17 VAL C 214 VAL C 222 ALA C 233 LYS C 235 SITE 2 AC6 17 LEU C 263 THR C 283 HIS C 284 TYR C 285 SITE 3 AC6 17 HIS C 286 GLU C 287 GLY C 289 ASP C 293 SITE 4 AC6 17 LYS C 340 ASN C 341 LEU C 343 HOH C 631 SITE 5 AC6 17 HOH C 656 SITE 1 AC7 4 GLU C 413 ARG C 416 TYR C 427 LYS C 428 SITE 1 AC8 15 VAL D 214 VAL D 222 ALA D 233 LEU D 263 SITE 2 AC8 15 THR D 283 HIS D 284 TYR D 285 HIS D 286 SITE 3 AC8 15 GLU D 287 GLY D 289 ASP D 293 ASN D 341 SITE 4 AC8 15 LEU D 343 HOH D 612 HOH D 656 SITE 1 AC9 3 LYS D 493 THR D 496 LYS D 497 SITE 1 AD1 4 GLU D 413 ARG D 416 TYR D 427 LYS D 428 CRYST1 85.860 102.201 177.300 90.00 93.96 90.00 I 1 2 1 16 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 0.011647 0.000000 0.000805 0.00000 SCALE2 0.000000 0.009785 0.000000 0.00000 SCALE3 0.000000 0.000000 0.005654 0.00000