PDB Short entry for 2FXM HEADER CONTRACTILE PROTEIN 06-FEB-06 2FXM TITLE STRUCTURE OF THE HUMAN BETA-MYOSIN S2 FRAGMENT COMPND MOL_ID: 1; COMPND 2 MOLECULE: MYOSIN HEAVY CHAIN, CARDIAC MUSCLE BETA ISOFORM; COMPND 3 CHAIN: A, B; COMPND 4 FRAGMENT: DELTA-S2 FRAGMENT (838-963); COMPND 5 SYNONYM: BETA-MYOSIN, MYHC-BETA; COMPND 6 ENGINEERED: YES SOURCE MOL_ID: 1; SOURCE 2 ORGANISM_SCIENTIFIC: HOMO SAPIENS; SOURCE 3 ORGANISM_COMMON: HUMAN; SOURCE 4 ORGANISM_TAXID: 9606; SOURCE 5 TISSUE: HEART MUSCLE; SOURCE 6 GENE: HSBMHC; SOURCE 7 EXPRESSION_SYSTEM: ESCHERICHIA COLI BL21; SOURCE 8 EXPRESSION_SYSTEM_TAXID: 511693; SOURCE 9 EXPRESSION_SYSTEM_STRAIN: BL21; SOURCE 10 EXPRESSION_SYSTEM_VECTOR_TYPE: PLASMID; SOURCE 11 EXPRESSION_SYSTEM_PLASMID: PET KEYWDS COILED COIL (DIMERIC, PARALLEL), FAMILIAL HYPERTROPHIC KEYWDS 2 CARDIOMYOPATHY, THICK FILAMENT, CONTRACTILE PROTEIN EXPDTA X-RAY DIFFRACTION AUTHOR W.BLANKENFELDT,N.H.THOMA,J.S.WRAY,M.GAUTEL,I.SCHLICHTING REVDAT 4 13-MAR-24 2FXM 1 REMARK SEQADV LINK REVDAT 3 18-OCT-17 2FXM 1 REMARK REVDAT 2 24-FEB-09 2FXM 1 VERSN REVDAT 1 21-NOV-06 2FXM 0 JRNL AUTH W.BLANKENFELDT,N.H.THOMA,J.S.WRAY,M.GAUTEL,I.SCHLICHTING JRNL TITL CRYSTAL STRUCTURES OF HUMAN CARDIAC {BETA}-MYOSIN II JRNL TITL 2 S2-{DELTA} PROVIDE INSIGHT INTO THE FUNCTIONAL ROLE OF THE JRNL TITL 3 S2 SUBFRAGMENT JRNL REF PROC.NATL.ACAD.SCI.USA V. 103 17713 2006 JRNL REFN ISSN 0027-8424 JRNL PMID 17095604 JRNL DOI 10.1073/PNAS.0606741103 REMARK 1 REMARK 1 REFERENCE 1 REMARK 1 AUTH M.GRUEN,M.GAUTEL REMARK 1 TITL MUTATIONS IN BETA-MYOSIN S2 THAT CAUSE FAMILIAL HYPERTROPHIC REMARK 1 TITL 2 CARDIOMYOPATHY (FHC) ABOLISH THE INTERACTION WITH THE REMARK 1 TITL 3 REGULATORY DOMAIN OF MYOSIN-BINDING PROTEIN-C REMARK 1 REF J.MOL.BIOL. V. 286 933 1999 REMARK 1 REFN ISSN 0022-2836 REMARK 1 PMID 10024460 REMARK 1 DOI 10.1006/JMBI.1998.2522 REMARK 1 REFERENCE 2 REMARK 1 AUTH Y.LI,J.H.BROWN,L.RESHETNIKOVA,A.BLAZSEK,L.FARKAS,L.NYITRAY, REMARK 1 AUTH 2 C.COHEN REMARK 1 TITL VISUALIZATION OF AN UNSTABLE COILED COIL FROM THE SCALLOP REMARK 1 TITL 2 MYOSIN ROD REMARK 1 REF NATURE V. 424 341 2003 REMARK 1 REFN ISSN 0028-0836 REMARK 1 PMID 12867988 REMARK 1 DOI 10.1038/NATURE01801 REMARK 2 REMARK 2 RESOLUTION. 2.70 ANGSTROMS. REMARK 3 REMARK 3 REFINEMENT. REMARK 3 PROGRAM : CNS 1.0 REMARK 3 AUTHORS : BRUNGER,ADAMS,CLORE,DELANO,GROS,GROSSE- REMARK 3 : KUNSTLEVE,JIANG,KUSZEWSKI,NILGES,PANNU, REMARK 3 : READ,RICE,SIMONSON,WARREN REMARK 3 REMARK 3 REFINEMENT TARGET : ENGH & HUBER REMARK 3 REMARK 3 DATA USED IN REFINEMENT. REMARK 3 RESOLUTION RANGE HIGH (ANGSTROMS) : 2.70 REMARK 3 RESOLUTION RANGE LOW (ANGSTROMS) : 20.00 REMARK 3 DATA CUTOFF (SIGMA(F)) : NULL REMARK 3 DATA CUTOFF HIGH (ABS(F)) : NULL REMARK 3 DATA CUTOFF LOW (ABS(F)) : NULL REMARK 3 COMPLETENESS (WORKING+TEST) (%) : 96.7 REMARK 3 NUMBER OF REFLECTIONS : 9756 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 SET) : 0.242 REMARK 3 FREE R VALUE : 0.283 REMARK 3 FREE R VALUE TEST SET SIZE (%) : 5.000 REMARK 3 FREE R VALUE TEST SET COUNT : 496 REMARK 3 ESTIMATED ERROR OF FREE R VALUE : NULL 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) : 2.70 REMARK 3 BIN RESOLUTION RANGE LOW (A) : 2.87 REMARK 3 BIN COMPLETENESS (WORKING+TEST) (%) : 86.30 REMARK 3 REFLECTIONS IN BIN (WORKING SET) : NULL REMARK 3 BIN R VALUE (WORKING SET) : 0.3530 REMARK 3 BIN FREE R VALUE : 0.3930 REMARK 3 BIN FREE R VALUE TEST SET SIZE (%) : NULL REMARK 3 BIN FREE R VALUE TEST SET COUNT : 37 REMARK 3 ESTIMATED ERROR OF BIN FREE R VALUE : NULL REMARK 3 REMARK 3 NUMBER OF NON-HYDROGEN ATOMS USED IN REFINEMENT. REMARK 3 PROTEIN ATOMS : 1953 REMARK 3 NUCLEIC ACID ATOMS : 0 REMARK 3 HETEROGEN ATOMS : 2 REMARK 3 SOLVENT ATOMS : 0 REMARK 3 REMARK 3 B VALUES. REMARK 3 FROM WILSON PLOT (A**2) : 53.00 REMARK 3 MEAN B VALUE (OVERALL, A**2) : 77.00 REMARK 3 OVERALL ANISOTROPIC B VALUE. REMARK 3 B11 (A**2) : -12.99500 REMARK 3 B22 (A**2) : -32.36000 REMARK 3 B33 (A**2) : 45.35400 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 COORDINATE ERROR. REMARK 3 ESD FROM LUZZATI PLOT (A) : NULL REMARK 3 ESD FROM SIGMAA (A) : NULL REMARK 3 LOW RESOLUTION CUTOFF (A) : NULL REMARK 3 REMARK 3 CROSS-VALIDATED ESTIMATED COORDINATE ERROR. REMARK 3 ESD FROM C-V LUZZATI PLOT (A) : NULL REMARK 3 ESD FROM C-V SIGMAA (A) : NULL REMARK 3 REMARK 3 RMS DEVIATIONS FROM IDEAL VALUES. REMARK 3 BOND LENGTHS (A) : 0.009 REMARK 3 BOND ANGLES (DEGREES) : 1.180 REMARK 3 DIHEDRAL ANGLES (DEGREES) : NULL REMARK 3 IMPROPER ANGLES (DEGREES) : NULL REMARK 3 REMARK 3 ISOTROPIC THERMAL MODEL : ISOTROPIC REMARK 3 REMARK 3 ISOTROPIC THERMAL FACTOR RESTRAINTS. RMS SIGMA REMARK 3 MAIN-CHAIN BOND (A**2) : NULL ; NULL REMARK 3 MAIN-CHAIN ANGLE (A**2) : NULL ; NULL REMARK 3 SIDE-CHAIN BOND (A**2) : NULL ; NULL REMARK 3 SIDE-CHAIN ANGLE (A**2) : NULL ; NULL REMARK 3 REMARK 3 BULK SOLVENT MODELING. REMARK 3 METHOD USED : NULL REMARK 3 KSOL : NULL REMARK 3 BSOL : NULL REMARK 3 REMARK 3 NCS MODEL : NULL REMARK 3 REMARK 3 NCS RESTRAINTS. RMS SIGMA/WEIGHT REMARK 3 GROUP 1 POSITIONAL (A) : NULL ; NULL REMARK 3 GROUP 1 B-FACTOR (A**2) : NULL ; NULL REMARK 3 REMARK 3 PARAMETER FILE 1 : NULL REMARK 3 TOPOLOGY FILE 1 : NULL REMARK 3 REMARK 3 OTHER REFINEMENT REMARKS: TARGET SIGMA VALUES FOR RESTRAINED B REMARK 3 -FACTOR REFINEMENT HAVE BEEN RELAXED TO 10 A*A TO REFLECT THE REMARK 3 SPECIAL SHAPE OF THE MOLECULE. ATOMS THAT COULD NOT BE LOCATED REMARK 3 HAVE BEEN ASSIGNED A TEMPERATURE FACTOR OF 500 A*A AND OCCUPANCY REMARK 3 VALUE OF 0 FOR BETTER DISCERNABILITY. REMARK 4 REMARK 4 2FXM COMPLIES WITH FORMAT V. 3.30, 13-JUL-11 REMARK 100 REMARK 100 THIS ENTRY HAS BEEN PROCESSED BY PDBJ ON 08-FEB-06. REMARK 100 THE DEPOSITION ID IS D_1000036431. REMARK 200 REMARK 200 EXPERIMENTAL DETAILS REMARK 200 EXPERIMENT TYPE : X-RAY DIFFRACTION REMARK 200 DATE OF DATA COLLECTION : 08-MAY-02 REMARK 200 TEMPERATURE (KELVIN) : 100.0 REMARK 200 PH : 8.50 REMARK 200 NUMBER OF CRYSTALS USED : 1 REMARK 200 REMARK 200 SYNCHROTRON (Y/N) : Y REMARK 200 RADIATION SOURCE : ESRF REMARK 200 BEAMLINE : ID29 REMARK 200 X-RAY GENERATOR MODEL : NULL REMARK 200 MONOCHROMATIC OR LAUE (M/L) : M REMARK 200 WAVELENGTH OR RANGE (A) : 1.0088, 0.82655 REMARK 200 MONOCHROMATOR : SI(311) REMARK 200 OPTICS : NULL REMARK 200 REMARK 200 DETECTOR TYPE : CCD REMARK 200 DETECTOR MANUFACTURER : ADSC QUANTUM 4 REMARK 200 INTENSITY-INTEGRATION SOFTWARE : XDS REMARK 200 DATA SCALING SOFTWARE : XDS REMARK 200 REMARK 200 NUMBER OF UNIQUE REFLECTIONS : 9756 REMARK 200 RESOLUTION RANGE HIGH (A) : 2.700 REMARK 200 RESOLUTION RANGE LOW (A) : 20.000 REMARK 200 REJECTION CRITERIA (SIGMA(I)) : -3.000 REMARK 200 REMARK 200 OVERALL. REMARK 200 COMPLETENESS FOR RANGE (%) : 96.7 REMARK 200 DATA REDUNDANCY : 5.700 REMARK 200 R MERGE (I) : NULL REMARK 200 R SYM (I) : 0.10400 REMARK 200 <I/SIGMA(I)> FOR THE DATA SET : 9.8000 REMARK 200 REMARK 200 IN THE HIGHEST RESOLUTION SHELL. REMARK 200 HIGHEST RESOLUTION SHELL, RANGE HIGH (A) : 2.70 REMARK 200 HIGHEST RESOLUTION SHELL, RANGE LOW (A) : 2.80 REMARK 200 COMPLETENESS FOR SHELL (%) : 86.3 REMARK 200 DATA REDUNDANCY IN SHELL : 3.40 REMARK 200 R MERGE FOR SHELL (I) : NULL REMARK 200 R SYM FOR SHELL (I) : 0.32600 REMARK 200 <I/SIGMA(I)> FOR SHELL : 3.100 REMARK 200 REMARK 200 DIFFRACTION PROTOCOL: MAD REMARK 200 METHOD USED TO DETERMINE THE STRUCTURE: MAD REMARK 200 SOFTWARE USED: SHELXD, SHARP REMARK 200 STARTING MODEL: NULL REMARK 200 REMARK 200 REMARK: NULL REMARK 280 REMARK 280 CRYSTAL REMARK 280 SOLVENT CONTENT, VS (%): 56.50 REMARK 280 MATTHEWS COEFFICIENT, VM (ANGSTROMS**3/DA): 2.90 REMARK 280 REMARK 280 CRYSTALLIZATION CONDITIONS: PEG 3350, LITHIUM CITRATE, TRIS- HCL, REMARK 280 PH 8.50, VAPOR DIFFUSION, SITTING DROP, TEMPERATURE 296K 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 186.85000 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 186.85000 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 20.14500 REMARK 290 SMTRY2 5 0.000000 1.000000 0.000000 22.98500 REMARK 290 SMTRY3 5 0.000000 0.000000 1.000000 0.00000 REMARK 290 SMTRY1 6 -1.000000 0.000000 0.000000 20.14500 REMARK 290 SMTRY2 6 0.000000 -1.000000 0.000000 22.98500 REMARK 290 SMTRY3 6 0.000000 0.000000 1.000000 186.85000 REMARK 290 SMTRY1 7 -1.000000 0.000000 0.000000 20.14500 REMARK 290 SMTRY2 7 0.000000 1.000000 0.000000 22.98500 REMARK 290 SMTRY3 7 0.000000 0.000000 -1.000000 186.85000 REMARK 290 SMTRY1 8 1.000000 0.000000 0.000000 20.14500 REMARK 290 SMTRY2 8 0.000000 -1.000000 0.000000 22.98500 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 AUTHOR DETERMINED BIOLOGICAL UNIT: DIMERIC REMARK 350 SOFTWARE DETERMINED QUATERNARY STRUCTURE: DIMERIC REMARK 350 SOFTWARE USED: PISA REMARK 350 TOTAL BURIED SURFACE AREA: 6600 ANGSTROM**2 REMARK 350 SURFACE AREA OF THE COMPLEX: 17450 ANGSTROM**2 REMARK 350 CHANGE IN SOLVENT FREE ENERGY: -128.0 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 GLY A -3 REMARK 465 SER A -2 REMARK 465 SER A -1 REMARK 465 GLY B -3 REMARK 465 SER B -2 REMARK 465 SER B -1 REMARK 465 PRO B 838 REMARK 465 LEU B 839 REMARK 465 LEU B 840 REMARK 465 LYS B 841 REMARK 465 SER B 842 REMARK 465 ALA B 843 REMARK 465 GLU B 844 REMARK 465 ARG B 845 REMARK 465 GLU B 846 REMARK 465 LYS B 847 REMARK 465 GLU B 848 REMARK 465 MET B 849 REMARK 465 ALA B 962 REMARK 465 LYS B 963 REMARK 480 REMARK 480 ZERO OCCUPANCY ATOM REMARK 480 THE FOLLOWING RESIDUES HAVE ATOMS MODELED WITH ZERO REMARK 480 OCCUPANCY. THE LOCATION AND PROPERTIES OF THESE ATOMS REMARK 480 MAY NOT BE RELIABLE. (M=MODEL NUMBER; RES=RESIDUE NAME; REMARK 480 C=CHAIN IDENTIFIER; SSEQ=SEQUENCE NUMBER; I=INSERTION CODE): REMARK 480 M RES C SSEQI ATOMS REMARK 480 PRO A 838 CG CD REMARK 480 GLU A 927 CG CD OE1 OE2 REMARK 480 LYS B 853 CG CD CE NZ REMARK 480 LYS B 860 CG CD CE REMARK 480 GLU B 864 CG CD OE1 OE2 REMARK 480 LYS B 871 CG CD CE NZ REMARK 480 LYS B 942 CD CE NZ REMARK 480 LEU B 959 CG CD1 CD2 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 HG A 2 HG REMARK 620 N RES CSSEQI ATOM REMARK 620 1 ALA A 901 O REMARK 620 2 CYS A 905 SG 87.4 REMARK 620 3 CYS A 905 N 58.4 69.8 REMARK 620 4 ALA B 901 O 110.4 96.7 161.8 REMARK 620 5 CYS B 905 SG 92.7 179.9 110.3 83.2 REMARK 620 6 CYS B 905 N 157.8 105.5 142.8 51.1 74.4 REMARK 620 N 1 2 3 4 5 REMARK 620 REMARK 620 COORDINATION ANGLES FOR: M RES CSSEQI METAL REMARK 620 HG B 1 HG REMARK 620 N RES CSSEQI ATOM REMARK 620 1 CYS A 947 SG REMARK 620 2 CYS A 947 N 69.2 REMARK 620 3 LEU B 943 O 89.4 154.0 REMARK 620 4 CYS B 947 SG 179.3 110.7 90.8 REMARK 620 5 CYS B 947 N 102.6 147.1 49.9 77.1 REMARK 620 N 1 2 3 4 REMARK 800 REMARK 800 SITE REMARK 800 SITE_IDENTIFIER: AC1 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE HG B 1 REMARK 800 REMARK 800 SITE_IDENTIFIER: AC2 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE HG A 2 REMARK 900 REMARK 900 RELATED ENTRIES REMARK 900 RELATED ID: 1NKN RELATED DB: PDB REMARK 900 RELATED ID: 2FXO RELATED DB: PDB REMARK 900 THE SAME PROTEIN, E924K MUTANT DBREF 2FXM A 838 963 UNP P12883 MYH7_HUMAN 838 963 DBREF 2FXM B 838 963 UNP P12883 MYH7_HUMAN 838 963 SEQADV 2FXM GLY A -3 UNP P12883 CLONING ARTIFACT SEQADV 2FXM SER A -2 UNP P12883 CLONING ARTIFACT SEQADV 2FXM SER A -1 UNP P12883 CLONING ARTIFACT SEQADV 2FXM GLY B -3 UNP P12883 CLONING ARTIFACT SEQADV 2FXM SER B -2 UNP P12883 CLONING ARTIFACT SEQADV 2FXM SER B -1 UNP P12883 CLONING ARTIFACT SEQRES 1 A 129 GLY SER SER PRO LEU LEU LYS SER ALA GLU ARG GLU LYS SEQRES 2 A 129 GLU MET ALA SER MET LYS GLU GLU PHE THR ARG LEU LYS SEQRES 3 A 129 GLU ALA LEU GLU LYS SER GLU ALA ARG ARG LYS GLU LEU SEQRES 4 A 129 GLU GLU LYS MET VAL SER LEU LEU GLN GLU LYS ASN ASP SEQRES 5 A 129 LEU GLN LEU GLN VAL GLN ALA GLU GLN ASP ASN LEU ALA SEQRES 6 A 129 ASP ALA GLU GLU ARG CYS ASP GLN LEU ILE LYS ASN LYS SEQRES 7 A 129 ILE GLN LEU GLU ALA LYS VAL LYS GLU MET ASN GLU ARG SEQRES 8 A 129 LEU GLU ASP GLU GLU GLU MET ASN ALA GLU LEU THR ALA SEQRES 9 A 129 LYS LYS ARG LYS LEU GLU ASP GLU CYS SER GLU LEU LYS SEQRES 10 A 129 ARG ASP ILE ASP ASP LEU GLU LEU THR LEU ALA LYS SEQRES 1 B 129 GLY SER SER PRO LEU LEU LYS SER ALA GLU ARG GLU LYS SEQRES 2 B 129 GLU MET ALA SER MET LYS GLU GLU PHE THR ARG LEU LYS SEQRES 3 B 129 GLU ALA LEU GLU LYS SER GLU ALA ARG ARG LYS GLU LEU SEQRES 4 B 129 GLU GLU LYS MET VAL SER LEU LEU GLN GLU LYS ASN ASP SEQRES 5 B 129 LEU GLN LEU GLN VAL GLN ALA GLU GLN ASP ASN LEU ALA SEQRES 6 B 129 ASP ALA GLU GLU ARG CYS ASP GLN LEU ILE LYS ASN LYS SEQRES 7 B 129 ILE GLN LEU GLU ALA LYS VAL LYS GLU MET ASN GLU ARG SEQRES 8 B 129 LEU GLU ASP GLU GLU GLU MET ASN ALA GLU LEU THR ALA SEQRES 9 B 129 LYS LYS ARG LYS LEU GLU ASP GLU CYS SER GLU LEU LYS SEQRES 10 B 129 ARG ASP ILE ASP ASP LEU GLU LEU THR LEU ALA LYS HET HG A 2 1 HET HG B 1 1 HETNAM HG MERCURY (II) ION FORMUL 3 HG 2(HG 2+) HELIX 1 1 LEU A 839 LYS A 963 1 125 HELIX 2 2 SER B 851 LEU B 961 1 111 LINK HG HG A 2 O ALA A 901 1555 1555 3.17 LINK HG HG A 2 SG CYS A 905 1555 1555 2.30 LINK HG HG A 2 N CYS A 905 1555 1555 3.42 LINK HG HG A 2 O ALA B 901 1555 1555 3.49 LINK HG HG A 2 SG CYS B 905 1555 1555 2.29 LINK HG HG A 2 N CYS B 905 1555 1555 3.41 LINK SG CYS A 947 HG HG B 1 1555 1555 2.32 LINK N CYS A 947 HG HG B 1 1555 1555 3.54 LINK HG HG B 1 O LEU B 943 1555 1555 3.49 LINK HG HG B 1 SG CYS B 947 1555 1555 2.29 LINK HG HG B 1 N CYS B 947 1555 1555 3.32 SITE 1 AC1 4 LEU A 943 CYS A 947 LEU B 943 CYS B 947 SITE 1 AC2 4 ALA A 901 CYS A 905 ALA B 901 CYS B 905 CRYST1 40.290 45.970 373.700 90.00 90.00 90.00 C 2 2 21 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 0.024820 0.000000 0.000000 0.00000 SCALE2 0.000000 0.021753 0.000000 0.00000 SCALE3 0.000000 0.000000 0.002676 0.00000