HEADER PROTEIN BINDING 19-AUG-04 1X91 TITLE CRYSTAL STRUCTURE OF MUTANT FORM A OF A PECTIN METHYLESTERASE TITLE 2 INHIBITOR FROM ARABIDOPSIS COMPND MOL_ID: 1; COMPND 2 MOLECULE: INVERTASE/PECTIN METHYLESTERASE INHIBITOR FAMILY PROTEIN; COMPND 3 CHAIN: A; COMPND 4 FRAGMENT: RESIDUES 1-149; COMPND 5 SYNONYM: PECTIN METHYLESTERASE INHIBITOR; COMPND 6 ENGINEERED: YES; COMPND 7 MUTATION: YES SOURCE MOL_ID: 1; SOURCE 2 ORGANISM_SCIENTIFIC: ARABIDOPSIS THALIANA; SOURCE 3 ORGANISM_COMMON: THALE CRESS; SOURCE 4 ORGANISM_TAXID: 3702; SOURCE 5 TISSUE: APOPLAST-CELL WALL; SOURCE 6 GENE: AT1G48020; SOURCE 7 EXPRESSION_SYSTEM: ESCHERICHIA COLI; SOURCE 8 EXPRESSION_SYSTEM_TAXID: 562; SOURCE 9 EXPRESSION_SYSTEM_STRAIN: ORIGAMI (DE3); SOURCE 10 EXPRESSION_SYSTEM_VECTOR_TYPE: PLASMID; SOURCE 11 EXPRESSION_SYSTEM_PLASMID: PETM 20 KEYWDS FOUR-HELIX BUNDLE, ALPHA HAIRPIN, DISULFIDE BRIDGE, DOMAIN-SWAPPING, KEYWDS 2 LINKER, PROLINE, MUTANT, PROTEIN BINDING EXPDTA X-RAY DIFFRACTION AUTHOR M.HOTHORN,S.WOLF,P.ALOY,S.GREINER,K.SCHEFFZEK REVDAT 5 20-NOV-24 1X91 1 REMARK REVDAT 4 25-OCT-23 1X91 1 REMARK REVDAT 3 10-NOV-21 1X91 1 SEQADV REVDAT 2 24-FEB-09 1X91 1 VERSN REVDAT 1 28-DEC-04 1X91 0 JRNL AUTH M.HOTHORN,S.WOLF,P.ALOY,S.GREINER,K.SCHEFFZEK JRNL TITL STRUCTURAL INSIGHTS INTO THE TARGET SPECIFICITY OF PLANT JRNL TITL 2 INVERTASE AND PECTIN METHYLESTERASE INHIBITORY PROTEINS JRNL REF PLANT CELL V. 16 3437 2004 JRNL REFN ISSN 1040-4651 JRNL PMID 15528298 JRNL DOI 10.1105/TPC.104.025684 REMARK 2 REMARK 2 RESOLUTION. 1.50 ANGSTROMS. REMARK 3 REMARK 3 REFINEMENT. REMARK 3 PROGRAM : CNS 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 DATA USED IN REFINEMENT. REMARK 3 RESOLUTION RANGE HIGH (ANGSTROMS) : 1.50 REMARK 3 RESOLUTION RANGE LOW (ANGSTROMS) : 54.23 REMARK 3 DATA CUTOFF (SIGMA(F)) : 0.000 REMARK 3 COMPLETENESS FOR RANGE (%) : 100.0 REMARK 3 NUMBER OF REFLECTIONS : 23639 REMARK 3 REMARK 3 FIT TO DATA USED IN REFINEMENT. REMARK 3 CROSS-VALIDATION METHOD : TROUGHOUT REMARK 3 FREE R VALUE TEST SET SELECTION : RANDOM REMARK 3 R VALUE (WORKING + TEST SET) : 0.185 REMARK 3 R VALUE (WORKING SET) : 0.184 REMARK 3 FREE R VALUE : 0.207 REMARK 3 FREE R VALUE TEST SET SIZE (%) : NULL REMARK 3 FREE R VALUE TEST SET COUNT : 1245 REMARK 3 REMARK 3 NUMBER OF NON-HYDROGEN ATOMS USED IN REFINEMENT. REMARK 3 PROTEIN ATOMS : 1114 REMARK 3 NUCLEIC ACID ATOMS : 0 REMARK 3 HETEROGEN ATOMS : 0 REMARK 3 SOLVENT ATOMS : 104 REMARK 3 REMARK 3 B VALUES. REMARK 3 FROM WILSON PLOT (A**2) : NULL REMARK 3 MEAN B VALUE (OVERALL, A**2) : 15.28 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 1X91 COMPLIES WITH FORMAT V. 3.30, 13-JUL-11 REMARK 100 REMARK 100 THIS ENTRY HAS BEEN PROCESSED BY PDBJ ON 26-AUG-04. REMARK 100 THE DEPOSITION ID IS D_1000030091. REMARK 200 REMARK 200 EXPERIMENTAL DETAILS REMARK 200 EXPERIMENT TYPE : X-RAY DIFFRACTION REMARK 200 DATE OF DATA COLLECTION : 18-APR-04 REMARK 200 TEMPERATURE (KELVIN) : 100 REMARK 200 PH : 5.6 REMARK 200 NUMBER OF CRYSTALS USED : 1 REMARK 200 REMARK 200 SYNCHROTRON (Y/N) : Y REMARK 200 RADIATION SOURCE : ESRF REMARK 200 BEAMLINE : ID14-2 REMARK 200 X-RAY GENERATOR MODEL : NULL REMARK 200 MONOCHROMATIC OR LAUE (M/L) : M REMARK 200 WAVELENGTH OR RANGE (A) : 0.933 REMARK 200 MONOCHROMATOR : DIAMOND (111), GE(220) REMARK 200 OPTICS : TOROIDAL MIRROR REMARK 200 REMARK 200 DETECTOR TYPE : CCD REMARK 200 DETECTOR MANUFACTURER : ADSC QUANTUM 4 REMARK 200 INTENSITY-INTEGRATION SOFTWARE : XDS V. DEC. 2003 REMARK 200 DATA SCALING SOFTWARE : XDS VERSION DEC. 2003 REMARK 200 REMARK 200 NUMBER OF UNIQUE REFLECTIONS : 24884 REMARK 200 RESOLUTION RANGE HIGH (A) : 1.500 REMARK 200 RESOLUTION RANGE LOW (A) : 54.230 REMARK 200 REJECTION CRITERIA (SIGMA(I)) : -3.000 REMARK 200 REMARK 200 OVERALL. REMARK 200 COMPLETENESS FOR RANGE (%) : 99.8 REMARK 200 DATA REDUNDANCY : 3.600 REMARK 200 R MERGE (I) : 0.05300 REMARK 200 R SYM (I) : NULL REMARK 200 <I/SIGMA(I)> FOR THE DATA SET : 15.4000 REMARK 200 REMARK 200 IN THE HIGHEST RESOLUTION SHELL. REMARK 200 HIGHEST RESOLUTION SHELL, RANGE HIGH (A) : 1.50 REMARK 200 HIGHEST RESOLUTION SHELL, RANGE LOW (A) : 1.54 REMARK 200 COMPLETENESS FOR SHELL (%) : 98.7 REMARK 200 DATA REDUNDANCY IN SHELL : 3.30 REMARK 200 R MERGE FOR SHELL (I) : 0.35800 REMARK 200 R SYM FOR SHELL (I) : NULL REMARK 200 <I/SIGMA(I)> FOR SHELL : 3.600 REMARK 200 REMARK 200 DIFFRACTION PROTOCOL: SINGLE WAVELENGTH REMARK 200 METHOD USED TO DETERMINE THE STRUCTURE: MOLECULAR REPLACEMENT REMARK 200 SOFTWARE USED: CNS REMARK 200 STARTING MODEL: PDB ENTRY 1X90 CHAIN A REMARK 200 REMARK 200 REMARK: NULL REMARK 280 REMARK 280 CRYSTAL REMARK 280 SOLVENT CONTENT, VS (%): 49.00 REMARK 280 MATTHEWS COEFFICIENT, VM (ANGSTROMS**3/DA): 2.40 REMARK 280 REMARK 280 CRYSTALLIZATION CONDITIONS: 0.2M (NH4)2SO4, 0.3M NA/K TARTRATE, REMARK 280 0.1M NA CITRATE, PH 5.6, VAPOR DIFFUSION, HANGING DROP, REMARK 280 TEMPERATURE 298K 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 54.19950 REMARK 290 SMTRY2 3 0.000000 1.000000 0.000000 31.22000 REMARK 290 SMTRY3 3 0.000000 0.000000 1.000000 0.00000 REMARK 290 SMTRY1 4 -1.000000 0.000000 0.000000 54.19950 REMARK 290 SMTRY2 4 0.000000 1.000000 0.000000 31.22000 REMARK 290 SMTRY3 4 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 BIOLOGICALLY ASSEMBLY IS CONSISTENT WITH THE CONTENT OF REMARK 300 THE ASYMMETRIC UNIT, MONOMER 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 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 HOH A 234 LIES ON A SPECIAL POSITION. REMARK 375 HOH A 237 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 GLY A -3 REMARK 465 ALA A -2 REMARK 465 MET A -1 REMARK 465 ASP A 0 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 GLU A 3 OE1 OE2 REMARK 480 MET A 4 SD REMARK 480 GLN A 42 NE2 REMARK 480 ARG A 44 CD NH1 NH2 REMARK 480 LYS A 50 CD CE REMARK 480 LYS A 51 CD NZ REMARK 480 LYS A 65 CE NZ REMARK 480 LEU A 66 CD1 CD2 REMARK 480 ARG A 69 CZ NH1 NH2 REMARK 480 MET A 95 CE REMARK 480 LYS A 116 CD CE NZ REMARK 480 ARG A 117 CB CD NE CZ NH1 NH2 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 OG SER A 70 OD2 ASP A 114 2.15 REMARK 500 REMARK 500 REMARK: NULL 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 GLU A 3 CD GLU A 3 OE2 -0.088 REMARK 500 ARG A 44 CD ARG A 44 NE -0.274 REMARK 500 ARG A 44 CZ ARG A 44 NH1 0.170 REMARK 500 ARG A 44 CZ ARG A 44 NH2 0.141 REMARK 500 ALA A 45 C THR A 46 N 0.245 REMARK 500 THR A 46 C GLN A 47 N 0.225 REMARK 500 LYS A 50 CE LYS A 50 NZ 0.199 REMARK 500 LYS A 51 CD LYS A 51 CE 0.158 REMARK 500 LYS A 65 CD LYS A 65 CE -0.281 REMARK 500 GLU A 76 C SER A 77 N 0.235 REMARK 500 SER A 77 C ALA A 78 N 0.139 REMARK 500 PHE A 86 C GLU A 87 N 0.145 REMARK 500 ALA A 90 C SER A 91 N 0.239 REMARK 500 GLY A 94 C MET A 95 N 0.147 REMARK 500 MET A 95 C GLY A 96 N 0.146 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 ARG A 44 NH1 - CZ - NH2 ANGL. DEV. = -18.0 DEGREES REMARK 500 ARG A 44 NE - CZ - NH2 ANGL. DEV. = 15.4 DEGREES REMARK 500 LYS A 50 CB - CG - CD ANGL. DEV. = 19.0 DEGREES REMARK 500 LYS A 51 CG - CD - CE ANGL. DEV. = 18.5 DEGREES REMARK 500 LYS A 51 CD - CE - NZ ANGL. DEV. = -14.0 DEGREES 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 PHE A 25 68.38 33.32 REMARK 500 REMARK 500 REMARK: NULL REMARK 900 REMARK 900 RELATED ENTRIES REMARK 900 RELATED ID: 1RJ1 RELATED DB: PDB REMARK 900 STRUCTURALLY RELATED INVERTASE INHIBITOR REMARK 900 RELATED ID: 1X8Z RELATED DB: PDB REMARK 900 WILD-TYPE PECTIN METHYLESTERASE INHIBITOR STRUCTURE REMARK 900 RELATED ID: 1X90 RELATED DB: PDB REMARK 900 PECTIN METHYLESTERASE INHIBITOR MUTANT FORM B STRUCTURE DBREF 1X91 A 1 149 UNP Q9LNF2 Q9LNF2_ARATH 28 176 SEQADV 1X91 GLY A -3 UNP Q9LNF2 CLONING ARTIFACT SEQADV 1X91 ALA A -2 UNP Q9LNF2 CLONING ARTIFACT SEQADV 1X91 MET A -1 UNP Q9LNF2 CLONING ARTIFACT SEQADV 1X91 ASP A 0 UNP Q9LNF2 CLONING ARTIFACT SEQADV 1X91 ALA A 28 UNP Q9LNF2 PRO 55 ENGINEERED MUTATION SEQRES 1 A 153 GLY ALA MET ASP SER SER GLU MET SER THR ILE CYS ASP SEQRES 2 A 153 LYS THR LEU ASN PRO SER PHE CYS LEU LYS PHE LEU ASN SEQRES 3 A 153 THR LYS PHE ALA SER ALA ASN LEU GLN ALA LEU ALA LYS SEQRES 4 A 153 THR THR LEU ASP SER THR GLN ALA ARG ALA THR GLN THR SEQRES 5 A 153 LEU LYS LYS LEU GLN SER ILE ILE ASP GLY GLY VAL ASP SEQRES 6 A 153 PRO ARG SER LYS LEU ALA TYR ARG SER CYS VAL ASP GLU SEQRES 7 A 153 TYR GLU SER ALA ILE GLY ASN LEU GLU GLU ALA PHE GLU SEQRES 8 A 153 HIS LEU ALA SER GLY ASP GLY MET GLY MET ASN MET LYS SEQRES 9 A 153 VAL SER ALA ALA LEU ASP GLY ALA ASP THR CYS LEU ASP SEQRES 10 A 153 ASP VAL LYS ARG LEU ARG SER VAL ASP SER SER VAL VAL SEQRES 11 A 153 ASN ASN SER LYS THR ILE LYS ASN LEU CYS GLY ILE ALA SEQRES 12 A 153 LEU VAL ILE SER ASN MET LEU PRO ARG ASN FORMUL 2 HOH *104(H2 O) HELIX 1 1 THR A 6 THR A 11 5 6 HELIX 2 2 ASN A 13 LYS A 24 1 12 HELIX 3 3 ASN A 29 GLY A 59 1 31 HELIX 4 4 ASP A 61 SER A 91 1 31 HELIX 5 5 ASP A 93 LYS A 116 1 24 HELIX 6 6 ASP A 122 LEU A 146 1 25 SSBOND 1 CYS A 8 CYS A 17 1555 1555 2.06 SSBOND 2 CYS A 71 CYS A 111 1555 1555 2.13 CRYST1 108.399 62.440 23.338 90.00 94.05 90.00 C 1 2 1 4 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 0.009225 0.000000 0.000653 0.00000 SCALE2 0.000000 0.016015 0.000000 0.00000 SCALE3 0.000000 0.000000 0.042956 0.00000