PDB Short entry for 1K8U HEADER SIGNALING PROTEIN 25-OCT-01 1K8U TITLE CRYSTAL STRUCTURE OF CALCIUM-FREE (OR APO) HUMAN S100A6; CYS3MET TITLE 2 MUTANT (SELENOMETHIONINE DERIVATIVE) COMPND MOL_ID: 1; COMPND 2 MOLECULE: S100A6; COMPND 3 CHAIN: A; COMPND 4 SYNONYM: CALCYCLIN, CACY; COMPND 5 ENGINEERED: YES SOURCE MOL_ID: 1; SOURCE 2 ORGANISM_SCIENTIFIC: HOMO SAPIENS; SOURCE 3 ORGANISM_COMMON: HUMAN; SOURCE 4 ORGANISM_TAXID: 9606; SOURCE 5 EXPRESSION_SYSTEM: ESCHERICHIA COLI; SOURCE 6 EXPRESSION_SYSTEM_TAXID: 562; SOURCE 7 EXPRESSION_SYSTEM_STRAIN: BL21 (DE3) PLYS; SOURCE 8 EXPRESSION_SYSTEM_VECTOR_TYPE: PLASMID; SOURCE 9 EXPRESSION_SYSTEM_PLASMID: PAED4 KEYWDS S100A6, CALCYCLIN, CALCIUM REGULATORY PROTEIN, CALCIUM FREE, APO, KEYWDS 2 CACY, SIGNALING PROTEIN EXPDTA X-RAY DIFFRACTION AUTHOR L.R.OTTERBEIN,R.DOMINGUEZ REVDAT 4 13-JUL-11 1K8U 1 VERSN REVDAT 3 24-FEB-09 1K8U 1 VERSN REVDAT 2 01-APR-03 1K8U 1 JRNL REVDAT 1 10-APR-02 1K8U 0 JRNL AUTH L.R.OTTERBEIN,J.KORDOWSKA,C.WITTE-HOFFMANN,C.L.WANG, JRNL AUTH 2 R.DOMINGUEZ JRNL TITL CRYSTAL STRUCTURES OF S100A6 IN THE CA(2+)-FREE AND JRNL TITL 2 CA(2+)-BOUND STATES: THE CALCIUM SENSOR MECHANISM OF S100 JRNL TITL 3 PROTEINS REVEALED AT ATOMIC RESOLUTION. JRNL REF STRUCTURE V. 10 557 2002 JRNL REFN ISSN 0969-2126 JRNL PMID 11937060 JRNL DOI 10.1016/S0969-2126(02)00740-2 REMARK 2 REMARK 2 RESOLUTION. 1.15 ANGSTROMS. REMARK 3 REMARK 3 REFINEMENT. REMARK 3 PROGRAM : REFMAC REMARK 3 AUTHORS : MURSHUDOV,VAGIN,DODSON REMARK 3 REMARK 3 DATA USED IN REFINEMENT. REMARK 3 RESOLUTION RANGE HIGH (ANGSTROMS) : 1.15 REMARK 3 RESOLUTION RANGE LOW (ANGSTROMS) : 20.00 REMARK 3 DATA CUTOFF (SIGMA(F)) : 0.000 REMARK 3 COMPLETENESS FOR RANGE (%) : 95.2 REMARK 3 NUMBER OF REFLECTIONS : 24523 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) : 0.186 REMARK 3 R VALUE (WORKING SET) : 0.186 REMARK 3 FREE R VALUE : 0.221 REMARK 3 FREE R VALUE TEST SET SIZE (%) : 5.000 REMARK 3 FREE R VALUE TEST SET COUNT : 1226 REMARK 3 REMARK 3 NUMBER OF NON-HYDROGEN ATOMS USED IN REFINEMENT. REMARK 3 PROTEIN ATOMS : 709 REMARK 3 NUCLEIC ACID ATOMS : 0 REMARK 3 HETEROGEN ATOMS : 0 REMARK 3 SOLVENT ATOMS : 117 REMARK 3 REMARK 3 B VALUES. REMARK 3 FROM WILSON PLOT (A**2) : 14.00 REMARK 3 MEAN B VALUE (OVERALL, A**2) : NULL REMARK 3 OVERALL ANISOTROPIC B VALUE. REMARK 3 B11 (A**2) : NULL REMARK 3 B22 (A**2) : NULL REMARK 3 B33 (A**2) : NULL REMARK 3 B12 (A**2) : NULL REMARK 3 B13 (A**2) : NULL REMARK 3 B23 (A**2) : NULL REMARK 3 REMARK 3 ESTIMATED OVERALL COORDINATE ERROR. REMARK 3 ESU BASED ON R VALUE (A): NULL REMARK 3 ESU BASED ON FREE R VALUE (A): NULL REMARK 3 ESU BASED ON MAXIMUM LIKELIHOOD (A): NULL REMARK 3 ESU FOR B VALUES BASED ON MAXIMUM LIKELIHOOD (A**2): NULL REMARK 3 REMARK 3 RMS DEVIATIONS FROM IDEAL VALUES. REMARK 3 DISTANCE RESTRAINTS. RMS SIGMA REMARK 3 BOND LENGTH (A) : NULL ; NULL REMARK 3 ANGLE DISTANCE (A) : NULL ; NULL REMARK 3 INTRAPLANAR 1-4 DISTANCE (A) : NULL ; NULL REMARK 3 H-BOND OR METAL COORDINATION (A) : NULL ; NULL REMARK 3 REMARK 3 PLANE RESTRAINT (A) : NULL ; NULL REMARK 3 CHIRAL-CENTER RESTRAINT (A**3) : NULL ; NULL REMARK 3 REMARK 3 NON-BONDED CONTACT RESTRAINTS. REMARK 3 SINGLE TORSION (A) : NULL ; NULL REMARK 3 MULTIPLE TORSION (A) : NULL ; NULL REMARK 3 H-BOND (X...Y) (A) : NULL ; NULL REMARK 3 H-BOND (X-H...Y) (A) : NULL ; NULL REMARK 3 REMARK 3 CONFORMATIONAL TORSION ANGLE RESTRAINTS. REMARK 3 SPECIFIED (DEGREES) : NULL ; NULL REMARK 3 PLANAR (DEGREES) : NULL ; NULL REMARK 3 STAGGERED (DEGREES) : NULL ; NULL REMARK 3 TRANSVERSE (DEGREES) : NULL ; NULL 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 OTHER REFINEMENT REMARKS: NULL REMARK 4 REMARK 4 1K8U COMPLIES WITH FORMAT V. 3.30, 13-JUL-11 REMARK 100 REMARK 100 THIS ENTRY HAS BEEN PROCESSED BY RCSB ON 09-NOV-01. REMARK 100 THE RCSB ID CODE IS RCSB014704. REMARK 200 REMARK 200 EXPERIMENTAL DETAILS REMARK 200 EXPERIMENT TYPE : X-RAY DIFFRACTION REMARK 200 DATE OF DATA COLLECTION : 07-DEC-00; 08-DEC-00 REMARK 200 TEMPERATURE (KELVIN) : 100.0; NULL REMARK 200 PH : 7.0 REMARK 200 NUMBER OF CRYSTALS USED : 1 REMARK 200 REMARK 200 SYNCHROTRON (Y/N) : Y; Y REMARK 200 RADIATION SOURCE : APS; APS REMARK 200 BEAMLINE : 14-BM-D; 14-BM-D REMARK 200 X-RAY GENERATOR MODEL : NULL; NULL REMARK 200 MONOCHROMATIC OR LAUE (M/L) : M; M REMARK 200 WAVELENGTH OR RANGE (A) : 1.00000; 1.02046, 0.97997, REMARK 200 0.94286 REMARK 200 MONOCHROMATOR : SI(111) DOUBLE-CRYSTAL REMARK 200 MONOCHROMATOR; SI(111) DOUBLE- REMARK 200 CRYSTAL MONOCHROMATOR REMARK 200 OPTICS : BENT CYLINDRICAL SI-MIRROR (RH REMARK 200 COATING); BENT CYLINDRICAL SI- REMARK 200 MIRROR (RH COATING) REMARK 200 REMARK 200 DETECTOR TYPE : CCD; CCD REMARK 200 DETECTOR MANUFACTURER : ADSC QUANTUM 4; ADSC QUANTUM 4 REMARK 200 INTENSITY-INTEGRATION SOFTWARE : DENZO REMARK 200 DATA SCALING SOFTWARE : SCALEPACK REMARK 200 REMARK 200 NUMBER OF UNIQUE REFLECTIONS : 25759 REMARK 200 RESOLUTION RANGE HIGH (A) : 1.150 REMARK 200 RESOLUTION RANGE LOW (A) : 30.000 REMARK 200 REJECTION CRITERIA (SIGMA(I)) : NULL REMARK 200 REMARK 200 OVERALL. REMARK 200 COMPLETENESS FOR RANGE (%) : 95.2 REMARK 200 DATA REDUNDANCY : 14.800 REMARK 200 R MERGE (I) : 0.06100 REMARK 200 R SYM (I) : NULL REMARK 200 <I/SIGMA(I)> FOR THE DATA SET : 11.7000 REMARK 200 REMARK 200 IN THE HIGHEST RESOLUTION SHELL. REMARK 200 HIGHEST RESOLUTION SHELL, RANGE HIGH (A) : 1.15 REMARK 200 HIGHEST RESOLUTION SHELL, RANGE LOW (A) : 1.24 REMARK 200 COMPLETENESS FOR SHELL (%) : 87.6 REMARK 200 DATA REDUNDANCY IN SHELL : 8.00 REMARK 200 R MERGE FOR SHELL (I) : 0.26700 REMARK 200 R SYM FOR SHELL (I) : NULL REMARK 200 <I/SIGMA(I)> FOR SHELL : NULL REMARK 200 REMARK 200 DIFFRACTION PROTOCOL: MAD; MAD REMARK 200 METHOD USED TO DETERMINE THE STRUCTURE: MAD REMARK 200 SOFTWARE USED: SHARP REMARK 200 STARTING MODEL: NULL REMARK 200 REMARK 200 REMARK: NULL REMARK 280 REMARK 280 CRYSTAL REMARK 280 SOLVENT CONTENT, VS (%): 35.54 REMARK 280 MATTHEWS COEFFICIENT, VM (ANGSTROMS**3/DA): 1.91 REMARK 280 REMARK 280 CRYSTALLIZATION CONDITIONS: 28% PEG 1500, 30MM SODIUM CACODYLATE, REMARK 280 6% GLYCEROL, PH 7.0, VAPOR DIFFUSION, HANGING DROP, TEMPERATURE REMARK 280 293K 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 41.73650 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 41.73650 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 18.62950 REMARK 290 SMTRY2 5 0.000000 1.000000 0.000000 24.05650 REMARK 290 SMTRY3 5 0.000000 0.000000 1.000000 0.00000 REMARK 290 SMTRY1 6 -1.000000 0.000000 0.000000 18.62950 REMARK 290 SMTRY2 6 0.000000 -1.000000 0.000000 24.05650 REMARK 290 SMTRY3 6 0.000000 0.000000 1.000000 41.73650 REMARK 290 SMTRY1 7 -1.000000 0.000000 0.000000 18.62950 REMARK 290 SMTRY2 7 0.000000 1.000000 0.000000 24.05650 REMARK 290 SMTRY3 7 0.000000 0.000000 -1.000000 41.73650 REMARK 290 SMTRY1 8 1.000000 0.000000 0.000000 18.62950 REMARK 290 SMTRY2 8 0.000000 -1.000000 0.000000 24.05650 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 300 REMARK: THE SECOND PART OF THE BIOLOGICAL ASSEMBLY IS GENERATED REMARK 300 BY THE TWO FOLD AXIS: REMARK 300 X, -Y, -Z+1 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,PQS REMARK 350 TOTAL BURIED SURFACE AREA: 3020 ANGSTROM**2 REMARK 350 SURFACE AREA OF THE COMPLEX: 9140 ANGSTROM**2 REMARK 350 CHANGE IN SOLVENT FREE ENERGY: -24.0 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 83.47300 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 MET A 1 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 GLY A 21 NH2 ARG A 62 5445 2.08 REMARK 500 REMARK 500 REMARK: NULL REMARK 500 REMARK 500 GEOMETRY AND STEREOCHEMISTRY REMARK 500 SUBTOPIC: COVALENT BOND ANGLES REMARK 500 REMARK 500 THE STEREOCHEMICAL PARAMETERS OF THE FOLLOWING RESIDUES REMARK 500 HAVE VALUES WHICH DEVIATE FROM EXPECTED VALUES BY MORE REMARK 500 THAN 6*RMSD (M=MODEL NUMBER; RES=RESIDUE NAME; C=CHAIN REMARK 500 IDENTIFIER; SSEQ=SEQUENCE NUMBER; I=INSERTION CODE). REMARK 500 REMARK 500 STANDARD TABLE: REMARK 500 FORMAT: (10X,I3,1X,A3,1X,A1,I4,A1,3(1X,A4,2X),12X,F5.1) REMARK 500 REMARK 500 EXPECTED VALUES PROTEIN: ENGH AND HUBER, 1999 REMARK 500 EXPECTED VALUES NUCLEIC ACID: CLOWNEY ET AL 1996 REMARK 500 REMARK 500 M RES CSSEQI ATM1 ATM2 ATM3 REMARK 500 GLU A 33 OE1 - CD - OE2 ANGL. DEV. = -7.4 DEGREES REMARK 500 ARG A 55 NE - CZ - NH1 ANGL. DEV. = -4.2 DEGREES REMARK 500 GLU A 67 OE1 - CD - OE2 ANGL. DEV. = -7.3 DEGREES REMARK 500 REMARK 500 REMARK: NULL REMARK 500 REMARK 500 GEOMETRY AND STEREOCHEMISTRY REMARK 500 SUBTOPIC: CHIRAL CENTERS REMARK 500 REMARK 500 UNEXPECTED CONFIGURATION OF THE FOLLOWING CHIRAL REMARK 500 CENTER(S) USING IMPROPER CA--C--CB--N CHIRALITY REMARK 500 FOR AMINO ACIDS AND C1'--O4'--N1(N9)--C2' FOR REMARK 500 NUCLEIC ACIDS OR EQUIVALENT ANGLE REMARK 500 M=MODEL NUMBER; RES=RESIDUE NAME; C=CHAIN REMARK 500 IDENTIFIER; SSEQ=SEQUENCE NUMBER; I=INSERTION CODE REMARK 500 REMARK 500 STANDARD TABLE: REMARK 500 FORMAT: (10X,I3,1X,A3,1X,A1,I4,A1,6X,F5.1,6X,A1,10X,A1,3X,A16) REMARK 500 REMARK 500 M RES CSSEQI IMPROPER EXPECTED FOUND DETAILS REMARK 500 GLU A 86 24.5 L L OUTSIDE RANGE REMARK 500 REMARK 500 REMARK: NULL REMARK 525 REMARK 525 SOLVENT REMARK 525 REMARK 525 THE SOLVENT MOLECULES HAVE CHAIN IDENTIFIERS THAT REMARK 525 INDICATE THE POLYMER CHAIN WITH WHICH THEY ARE MOST REMARK 525 CLOSELY ASSOCIATED. THE REMARK LISTS ALL THE SOLVENT REMARK 525 MOLECULES WHICH ARE MORE THAN 5A AWAY FROM THE REMARK 525 NEAREST POLYMER CHAIN (M = MODEL NUMBER; REMARK 525 RES=RESIDUE NAME; C=CHAIN IDENTIFIER; SSEQ=SEQUENCE REMARK 525 NUMBER; I=INSERTION CODE): REMARK 525 REMARK 525 M RES CSSEQI REMARK 525 HOH A 197 DISTANCE = 5.26 ANGSTROMS REMARK 900 REMARK 900 RELATED ENTRIES REMARK 900 RELATED ID: 1K96 RELATED DB: PDB REMARK 900 CRYSTAL STRUCTURE OF CALCIUM BOUND HUMAN S100A6 REMARK 900 RELATED ID: 1K9K RELATED DB: PDB REMARK 900 CRYSTAL STRUCTURE OF CALCIUM BOUND HUMAN S100A6 REMARK 900 RELATED ID: 1K9P RELATED DB: PDB REMARK 900 CRYSTAL STRUCTURE OF CALCIUM FREE(OR APO) HUMAN S100A6 DBREF 1K8U A 1 90 UNP P06703 S10A6_HUMAN 1 90 SEQADV 1K8U MSE A 3 UNP P06703 CYS 3 MODIFIED RESIDUE SEQADV 1K8U MSE A 57 UNP P06703 MET 57 MODIFIED RESIDUE SEQRES 1 A 90 MET ALA MSE PRO LEU ASP GLN ALA ILE GLY LEU LEU VAL SEQRES 2 A 90 ALA ILE PHE HIS LYS TYR SER GLY ARG GLU GLY ASP LYS SEQRES 3 A 90 HIS THR LEU SER LYS LYS GLU LEU LYS GLU LEU ILE GLN SEQRES 4 A 90 LYS GLU LEU THR ILE GLY SER LYS LEU GLN ASP ALA GLU SEQRES 5 A 90 ILE ALA ARG LEU MSE GLU ASP LEU ASP ARG ASN LYS ASP SEQRES 6 A 90 GLN GLU VAL ASN PHE GLN GLU TYR VAL THR PHE LEU GLY SEQRES 7 A 90 ALA LEU ALA LEU ILE TYR ASN GLU ALA LEU LYS GLY MODRES 1K8U MSE A 3 MET SELENOMETHIONINE MODRES 1K8U MSE A 57 MET SELENOMETHIONINE HET MSE A 3 11 HET MSE A 57 8 HETNAM MSE SELENOMETHIONINE FORMUL 1 MSE 2(C5 H11 N O2 SE) FORMUL 2 HOH *117(H2 O) HELIX 1 1 MSE A 3 GLY A 21 1 19 HELIX 2 2 LYS A 31 LEU A 42 1 12 HELIX 3 3 ILE A 44 LEU A 48 5 5 HELIX 4 4 ASP A 50 ASN A 63 1 14 HELIX 5 5 PHE A 70 ASN A 85 1 16 HELIX 6 6 GLU A 86 LYS A 89 5 4 SHEET 1 A 2 THR A 28 SER A 30 0 SHEET 2 A 2 GLU A 67 ASN A 69 -1 O VAL A 68 N LEU A 29 LINK C ALA A 2 N MSE A 3 1555 1555 1.33 LINK C MSE A 3 N PRO A 4 1555 1555 1.35 LINK C LEU A 56 N MSE A 57 1555 1555 1.31 LINK C MSE A 57 N GLU A 58 1555 1555 1.33 CRYST1 37.259 48.113 83.473 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 0.026839 -0.000001 -0.000001 0.00000 SCALE2 0.000000 0.020784 -0.000001 0.00000 SCALE3 0.000000 0.000000 0.011980 0.00000