PDB Short entry for 1JFR HEADER SERINE HYDROLASE 11-JUL-97 1JFR TITLE CRYSTAL STRUCTURE OF THE STREPTOMYCES EXFOLIATUS LIPASE AT TITLE 2 1.9A RESOLUTION: A MODEL FOR A FAMILY OF PLATELET- TITLE 3 ACTIVATING FACTOR ACETYLHYDROLASES COMPND MOL_ID: 1; COMPND 2 MOLECULE: LIPASE; COMPND 3 CHAIN: A, B; COMPND 4 ENGINEERED: YES SOURCE MOL_ID: 1; SOURCE 2 ORGANISM_SCIENTIFIC: STREPTOMYCES EXFOLIATUS; SOURCE 3 ORGANISM_TAXID: 1905; SOURCE 4 GENE: STREPTOMYCES EXFOLIATUS; SOURCE 5 EXPRESSION_SYSTEM: ESCHERICHIA COLI; SOURCE 6 EXPRESSION_SYSTEM_TAXID: 562; SOURCE 7 EXPRESSION_SYSTEM_GENE: STREPTOMYCES EXFOLIATUS KEYWDS SERINE HYDROLASE, LIPASE EXPDTA X-RAY DIFFRACTION AUTHOR Y.WEI,Z.S.DEREWENDA REVDAT 2 24-FEB-09 1JFR 1 VERSN REVDAT 1 15-JUL-98 1JFR 0 JRNL AUTH Y.WEI,L.SWENSON,C.CASTRO,U.DEREWENDA,W.MINOR, JRNL AUTH 2 H.ARAI,J.AOKI,K.INOUE,L.SERVIN-GONZALEZ, JRNL AUTH 3 Z.S.DEREWENDA JRNL TITL STRUCTURE OF A MICROBIAL HOMOLOGUE OF MAMMALIAN JRNL TITL 2 PLATELET-ACTIVATING FACTOR ACETYLHYDROLASES: JRNL TITL 3 STREPTOMYCES EXFOLIATUS LIPASE AT 1.9 A RESOLUTION. JRNL REF STRUCTURE V. 6 511 1998 JRNL REFN ISSN 0969-2126 JRNL PMID 9562561 JRNL DOI 10.1016/S0969-2126(98)00052-5 REMARK 1 REMARK 2 REMARK 2 RESOLUTION. 1.90 ANGSTROMS. REMARK 3 REMARK 3 REFINEMENT. REMARK 3 PROGRAM : SHELX-90 REMARK 3 AUTHORS : G.M.SHELDRICK REMARK 3 REMARK 3 DATA USED IN REFINEMENT. REMARK 3 RESOLUTION RANGE HIGH (ANGSTROMS) : 1.90 REMARK 3 RESOLUTION RANGE LOW (ANGSTROMS) : 8.00 REMARK 3 DATA CUTOFF (SIGMA(F)) : 0.000 REMARK 3 COMPLETENESS FOR RANGE (%) : NULL REMARK 3 CROSS-VALIDATION METHOD : NULL REMARK 3 FREE R VALUE TEST SET SELECTION : NULL REMARK 3 REMARK 3 FIT TO DATA USED IN REFINEMENT (NO CUTOFF). REMARK 3 R VALUE (WORKING + TEST SET, NO CUTOFF) : NULL REMARK 3 R VALUE (WORKING SET, NO CUTOFF) : NULL REMARK 3 FREE R VALUE (NO CUTOFF) : 0.186 REMARK 3 FREE R VALUE TEST SET SIZE (%, NO CUTOFF) : NULL REMARK 3 FREE R VALUE TEST SET COUNT (NO CUTOFF) : NULL REMARK 3 TOTAL NUMBER OF REFLECTIONS (NO CUTOFF) : NULL REMARK 3 REMARK 3 FIT/AGREEMENT OF MODEL FOR DATA WITH F>4SIG(F). REMARK 3 R VALUE (WORKING + TEST SET, F>4SIG(F)) : NULL REMARK 3 R VALUE (WORKING SET, F>4SIG(F)) : NULL REMARK 3 FREE R VALUE (F>4SIG(F)) : NULL REMARK 3 FREE R VALUE TEST SET SIZE (%, F>4SIG(F)) : NULL REMARK 3 FREE R VALUE TEST SET COUNT (F>4SIG(F)) : NULL REMARK 3 TOTAL NUMBER OF REFLECTIONS (F>4SIG(F)) : NULL REMARK 3 REMARK 3 NUMBER OF NON-HYDROGEN ATOMS USED IN REFINEMENT. REMARK 3 PROTEIN ATOMS : 3924 REMARK 3 NUCLEIC ACID ATOMS : 0 REMARK 3 HETEROGEN ATOMS : 0 REMARK 3 SOLVENT ATOMS : 607 REMARK 3 REMARK 3 MODEL REFINEMENT. REMARK 3 OCCUPANCY SUM OF NON-HYDROGEN ATOMS : NULL REMARK 3 OCCUPANCY SUM OF HYDROGEN ATOMS : NULL REMARK 3 NUMBER OF DISCRETELY DISORDERED RESIDUES : NULL REMARK 3 NUMBER OF LEAST-SQUARES PARAMETERS : NULL REMARK 3 NUMBER OF RESTRAINTS : NULL REMARK 3 REMARK 3 RMS DEVIATIONS FROM RESTRAINT TARGET VALUES. REMARK 3 BOND LENGTHS (A) : NULL REMARK 3 ANGLE DISTANCES (A) : NULL REMARK 3 SIMILAR DISTANCES (NO TARGET VALUES) (A) : NULL REMARK 3 DISTANCES FROM RESTRAINT PLANES (A) : NULL REMARK 3 ZERO CHIRAL VOLUMES (A**3) : NULL REMARK 3 NON-ZERO CHIRAL VOLUMES (A**3) : NULL REMARK 3 ANTI-BUMPING DISTANCE RESTRAINTS (A) : NULL REMARK 3 RIGID-BOND ADP COMPONENTS (A**2) : NULL REMARK 3 SIMILAR ADP COMPONENTS (A**2) : NULL REMARK 3 APPROXIMATELY ISOTROPIC ADPS (A**2) : NULL REMARK 3 REMARK 3 BULK SOLVENT MODELING. REMARK 3 METHOD USED: NULL REMARK 3 REMARK 3 STEREOCHEMISTRY TARGET VALUES : NULL REMARK 3 SPECIAL CASE: NULL REMARK 3 REMARK 3 OTHER REFINEMENT REMARKS: NULL REMARK 4 REMARK 4 1JFR COMPLIES WITH FORMAT V. 3.15, 01-DEC-08 REMARK 100 REMARK 100 THIS ENTRY HAS BEEN PROCESSED BY BNL. REMARK 200 REMARK 200 EXPERIMENTAL DETAILS REMARK 200 EXPERIMENT TYPE : X-RAY DIFFRACTION REMARK 200 DATE OF DATA COLLECTION : 08-JUL-96 REMARK 200 TEMPERATURE (KELVIN) : 293 REMARK 200 PH : 7.75 REMARK 200 NUMBER OF CRYSTALS USED : 8 REMARK 200 REMARK 200 SYNCHROTRON (Y/N) : N REMARK 200 RADIATION SOURCE : ROTATING ANODE REMARK 200 BEAMLINE : NULL REMARK 200 X-RAY GENERATOR MODEL : ENRAF-NONIUS FR591 REMARK 200 MONOCHROMATIC OR LAUE (M/L) : M REMARK 200 WAVELENGTH OR RANGE (A) : 1.5418 REMARK 200 MONOCHROMATOR : NULL REMARK 200 OPTICS : MIRRORS REMARK 200 REMARK 200 DETECTOR TYPE : IMAGE PLATE REMARK 200 DETECTOR MANUFACTURER : MACSCIENCE REMARK 200 INTENSITY-INTEGRATION SOFTWARE : DENZO REMARK 200 DATA SCALING SOFTWARE : CCP4, SCALEPACK REMARK 200 REMARK 200 NUMBER OF UNIQUE REFLECTIONS : 49042 REMARK 200 RESOLUTION RANGE HIGH (A) : 1.900 REMARK 200 RESOLUTION RANGE LOW (A) : 20.000 REMARK 200 REJECTION CRITERIA (SIGMA(I)) : 0.000 REMARK 200 REMARK 200 OVERALL. REMARK 200 COMPLETENESS FOR RANGE (%) : 95.4 REMARK 200 DATA REDUNDANCY : 4.800 REMARK 200 R MERGE (I) : 0.04500 REMARK 200 R SYM (I) : 0.04500 REMARK 200 <I/SIGMA(I)> FOR THE DATA SET : 14.7500 REMARK 200 REMARK 200 IN THE HIGHEST RESOLUTION SHELL. REMARK 200 HIGHEST RESOLUTION SHELL, RANGE HIGH (A) : NULL REMARK 200 HIGHEST RESOLUTION SHELL, RANGE LOW (A) : NULL REMARK 200 COMPLETENESS FOR SHELL (%) : NULL REMARK 200 DATA REDUNDANCY IN SHELL : NULL REMARK 200 R MERGE FOR SHELL (I) : NULL REMARK 200 R SYM FOR SHELL (I) : NULL REMARK 200 <I/SIGMA(I)> FOR SHELL : NULL REMARK 200 REMARK 200 DIFFRACTION PROTOCOL: NULL REMARK 200 METHOD USED TO DETERMINE THE STRUCTURE: MIR REMARK 200 SOFTWARE USED: SHELX-90 REMARK 200 STARTING MODEL: NULL REMARK 200 REMARK 200 REMARK: NULL REMARK 280 REMARK 280 CRYSTAL REMARK 280 SOLVENT CONTENT, VS (%): 54.00 REMARK 280 MATTHEWS COEFFICIENT, VM (ANGSTROMS**3/DA): 2.65 REMARK 280 REMARK 280 CRYSTALLIZATION CONDITIONS: PH 7.75 REMARK 290 REMARK 290 CRYSTALLOGRAPHIC SYMMETRY REMARK 290 SYMMETRY OPERATORS FOR SPACE GROUP: P 1 21 1 REMARK 290 REMARK 290 SYMOP SYMMETRY REMARK 290 NNNMMM OPERATOR REMARK 290 1555 X,Y,Z REMARK 290 2555 -X,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 26.50000 REMARK 290 SMTRY3 2 0.000000 0.000000 -1.000000 0.00000 REMARK 290 REMARK 290 REMARK: NULL REMARK 300 REMARK 300 BIOMOLECULE: 1, 2 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 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 ALA A 1 REMARK 465 ALA A 2 REMARK 465 ALA B 1 REMARK 465 ALA B 2 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 ARG A 20 CD ARG A 20 NE -0.194 REMARK 500 LEU A 170 CA LEU A 170 CB 0.174 REMARK 500 SER A 262 CA SER A 262 C -0.351 REMARK 500 SER B 262 CA SER B 262 C -0.285 REMARK 500 SER B 262 C SER B 262 OXT 0.304 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 20 CB - CG - CD ANGL. DEV. = 42.9 DEGREES REMARK 500 ARG A 20 CG - CD - NE ANGL. DEV. = 24.8 DEGREES REMARK 500 ARG A 99 NE - CZ - NH1 ANGL. DEV. = 3.2 DEGREES REMARK 500 ARG A 99 NE - CZ - NH2 ANGL. DEV. = -3.4 DEGREES REMARK 500 ARG A 113 CD - NE - CZ ANGL. DEV. = 10.7 DEGREES REMARK 500 ARG A 113 NE - CZ - NH1 ANGL. DEV. = 4.7 DEGREES REMARK 500 ARG A 144 CD - NE - CZ ANGL. DEV. = 36.4 DEGREES REMARK 500 ARG A 144 NH1 - CZ - NH2 ANGL. DEV. = 9.5 DEGREES REMARK 500 ARG A 144 NE - CZ - NH1 ANGL. DEV. = -9.2 DEGREES REMARK 500 SER A 262 CB - CA - C ANGL. DEV. = 11.5 DEGREES REMARK 500 SER A 262 CA - C - O ANGL. DEV. = -22.2 DEGREES REMARK 500 ARG B 20 NE - CZ - NH2 ANGL. DEV. = 3.5 DEGREES REMARK 500 ARG B 99 NE - CZ - NH1 ANGL. DEV. = 3.1 DEGREES REMARK 500 ARG B 144 CD - NE - CZ ANGL. DEV. = 13.1 DEGREES REMARK 500 ARG B 144 NE - CZ - NH1 ANGL. DEV. = 6.3 DEGREES REMARK 500 ARG B 144 NE - CZ - NH2 ANGL. DEV. = -3.6 DEGREES REMARK 500 ARG B 246 NE - CZ - NH2 ANGL. DEV. = 3.3 DEGREES REMARK 500 SER B 262 CA - C - O ANGL. DEV. = 20.9 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 SER A 131 -123.35 61.24 REMARK 500 HIS A 185 -82.82 -122.30 REMARK 500 THR B 64 19.85 59.81 REMARK 500 SER B 131 -123.22 61.60 REMARK 500 HIS B 185 -82.86 -122.96 REMARK 500 REMARK 500 REMARK: NULL REMARK 500 REMARK 500 GEOMETRY AND STEREOCHEMISTRY REMARK 500 SUBTOPIC: PLANAR GROUPS REMARK 500 REMARK 500 PLANAR GROUPS IN THE FOLLOWING RESIDUES HAVE A TOTAL REMARK 500 RMS DISTANCE OF ALL ATOMS FROM THE BEST-FIT PLANE REMARK 500 BY MORE THAN AN EXPECTED VALUE OF 6*RMSD, WITH AN REMARK 500 RMSD 0.02 ANGSTROMS, OR AT LEAST ONE ATOM HAS REMARK 500 AN RMSD GREATER THAN THIS VALUE REMARK 500 (M=MODEL NUMBER; RES=RESIDUE NAME; C=CHAIN IDENTIFIER; REMARK 500 SSEQ=SEQUENCE NUMBER; I=INSERTION CODE). REMARK 500 REMARK 500 M RES CSSEQI RMS TYPE REMARK 500 ARG A 20 0.19 SIDE_CHAIN REMARK 500 REMARK 500 REMARK: NULL REMARK 500 REMARK 500 GEOMETRY AND STEREOCHEMISTRY REMARK 500 SUBTOPIC: MAIN CHAIN PLANARITY REMARK 500 REMARK 500 THE FOLLOWING RESIDUES HAVE A PSEUDO PLANARITY REMARK 500 TORSION, C(I) - CA(I) - N(I+1) - O(I), GREATER REMARK 500 10.0 DEGREES. (M=MODEL NUMBER; RES=RESIDUE NAME; REMARK 500 C=CHAIN IDENTIFIER; SSEQ=SEQUENCE NUMBER; REMARK 500 I=INSERTION CODE). REMARK 500 REMARK 500 M RES CSSEQI ANGLE REMARK 500 THR A 28 -10.12 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 B 547 DISTANCE = 5.00 ANGSTROMS DBREF 1JFR A 1 262 UNP Q56008 Q56008_STRSQ 49 310 DBREF 1JFR B 1 262 UNP Q56008 Q56008_STRSQ 49 310 SEQRES 1 A 262 ALA ALA ASN PRO TYR GLU ARG GLY PRO ALA PRO THR ASN SEQRES 2 A 262 ALA SER ILE GLU ALA SER ARG GLY PRO TYR ALA THR SER SEQRES 3 A 262 GLN THR SER VAL SER SER LEU VAL ALA SER GLY PHE GLY SEQRES 4 A 262 GLY GLY THR ILE TYR TYR PRO THR SER THR ALA ASP GLY SEQRES 5 A 262 THR PHE GLY ALA VAL VAL ILE SER PRO GLY PHE THR ALA SEQRES 6 A 262 TYR GLN SER SER ILE ALA TRP LEU GLY PRO ARG LEU ALA SEQRES 7 A 262 SER GLN GLY PHE VAL VAL PHE THR ILE ASP THR ASN THR SEQRES 8 A 262 THR LEU ASP GLN PRO ASP SER ARG GLY ARG GLN LEU LEU SEQRES 9 A 262 SER ALA LEU ASP TYR LEU THR GLN ARG SER SER VAL ARG SEQRES 10 A 262 THR ARG VAL ASP ALA THR ARG LEU GLY VAL MET GLY HIS SEQRES 11 A 262 SER MET GLY GLY GLY GLY SER LEU GLU ALA ALA LYS SER SEQRES 12 A 262 ARG THR SER LEU LYS ALA ALA ILE PRO LEU THR GLY TRP SEQRES 13 A 262 ASN THR ASP LYS THR TRP PRO GLU LEU ARG THR PRO THR SEQRES 14 A 262 LEU VAL VAL GLY ALA ASP GLY ASP THR VAL ALA PRO VAL SEQRES 15 A 262 ALA THR HIS SER LYS PRO PHE TYR GLU SER LEU PRO GLY SEQRES 16 A 262 SER LEU ASP LYS ALA TYR LEU GLU LEU ARG GLY ALA SER SEQRES 17 A 262 HIS PHE THR PRO ASN THR SER ASP THR THR ILE ALA LYS SEQRES 18 A 262 TYR SER ILE SER TRP LEU LYS ARG PHE ILE ASP SER ASP SEQRES 19 A 262 THR ARG TYR GLU GLN PHE LEU CYS PRO ILE PRO ARG PRO SEQRES 20 A 262 SER LEU THR ILE ALA GLU TYR ARG GLY THR CYS PRO HIS SEQRES 21 A 262 THR SER SEQRES 1 B 262 ALA ALA ASN PRO TYR GLU ARG GLY PRO ALA PRO THR ASN SEQRES 2 B 262 ALA SER ILE GLU ALA SER ARG GLY PRO TYR ALA THR SER SEQRES 3 B 262 GLN THR SER VAL SER SER LEU VAL ALA SER GLY PHE GLY SEQRES 4 B 262 GLY GLY THR ILE TYR TYR PRO THR SER THR ALA ASP GLY SEQRES 5 B 262 THR PHE GLY ALA VAL VAL ILE SER PRO GLY PHE THR ALA SEQRES 6 B 262 TYR GLN SER SER ILE ALA TRP LEU GLY PRO ARG LEU ALA SEQRES 7 B 262 SER GLN GLY PHE VAL VAL PHE THR ILE ASP THR ASN THR SEQRES 8 B 262 THR LEU ASP GLN PRO ASP SER ARG GLY ARG GLN LEU LEU SEQRES 9 B 262 SER ALA LEU ASP TYR LEU THR GLN ARG SER SER VAL ARG SEQRES 10 B 262 THR ARG VAL ASP ALA THR ARG LEU GLY VAL MET GLY HIS SEQRES 11 B 262 SER MET GLY GLY GLY GLY SER LEU GLU ALA ALA LYS SER SEQRES 12 B 262 ARG THR SER LEU LYS ALA ALA ILE PRO LEU THR GLY TRP SEQRES 13 B 262 ASN THR ASP LYS THR TRP PRO GLU LEU ARG THR PRO THR SEQRES 14 B 262 LEU VAL VAL GLY ALA ASP GLY ASP THR VAL ALA PRO VAL SEQRES 15 B 262 ALA THR HIS SER LYS PRO PHE TYR GLU SER LEU PRO GLY SEQRES 16 B 262 SER LEU ASP LYS ALA TYR LEU GLU LEU ARG GLY ALA SER SEQRES 17 B 262 HIS PHE THR PRO ASN THR SER ASP THR THR ILE ALA LYS SEQRES 18 B 262 TYR SER ILE SER TRP LEU LYS ARG PHE ILE ASP SER ASP SEQRES 19 B 262 THR ARG TYR GLU GLN PHE LEU CYS PRO ILE PRO ARG PRO SEQRES 20 B 262 SER LEU THR ILE ALA GLU TYR ARG GLY THR CYS PRO HIS SEQRES 21 B 262 THR SER FORMUL 3 HOH *612(H2 O) HELIX 1 1 ASN A 13 GLU A 17 1 5 HELIX 2 2 GLN A 67 SER A 69 5 3 HELIX 3 3 ALA A 71 GLN A 80 5 10 HELIX 4 4 PRO A 96 GLN A 112 1 17 HELIX 5 5 ARG A 117 ARG A 119 5 3 HELIX 6 6 SER A 131 SER A 143 5 13 HELIX 7 7 SER A 186 SER A 192 1 7 HELIX 8 8 THR A 211 ASN A 213 5 3 HELIX 9 9 THR A 217 ILE A 231 1 15 HELIX 10 10 THR A 235 PHE A 240 5 6 HELIX 11 11 ASN B 13 GLU B 17 1 5 HELIX 12 12 GLN B 67 SER B 69 5 3 HELIX 13 13 ALA B 71 GLN B 80 5 10 HELIX 14 14 PRO B 96 GLN B 112 1 17 HELIX 15 15 ARG B 117 ARG B 119 5 3 HELIX 16 16 SER B 131 SER B 143 5 13 HELIX 17 17 SER B 186 SER B 192 1 7 HELIX 18 18 THR B 211 ASN B 213 5 3 HELIX 19 19 THR B 217 ILE B 231 1 15 HELIX 20 20 THR B 235 LEU B 241 5 7 SHEET 1 A 6 THR A 25 VAL A 30 0 SHEET 2 A 6 GLY A 41 PRO A 46 -1 N TYR A 45 O SER A 26 SHEET 3 A 6 VAL A 83 ILE A 87 -1 N THR A 86 O THR A 42 SHEET 4 A 6 ALA A 56 SER A 60 1 N VAL A 57 O VAL A 83 SHEET 5 A 6 LEU A 125 HIS A 130 1 N GLY A 126 O ALA A 56 SHEET 6 A 6 ALA A 149 LEU A 153 1 N ALA A 149 O VAL A 127 SHEET 1 B 3 THR A 169 ALA A 174 0 SHEET 2 B 3 LYS A 199 LEU A 204 1 N ALA A 200 O THR A 169 SHEET 3 B 3 ILE A 251 GLY A 256 -1 N ARG A 255 O TYR A 201 SHEET 1 C 6 THR B 25 VAL B 30 0 SHEET 2 C 6 GLY B 41 PRO B 46 -1 N TYR B 45 O SER B 26 SHEET 3 C 6 VAL B 83 ILE B 87 -1 N THR B 86 O THR B 42 SHEET 4 C 6 ALA B 56 SER B 60 1 N VAL B 57 O VAL B 83 SHEET 5 C 6 LEU B 125 HIS B 130 1 N GLY B 126 O ALA B 56 SHEET 6 C 6 ALA B 149 LEU B 153 1 N ALA B 149 O VAL B 127 SHEET 1 D 3 THR B 169 ALA B 174 0 SHEET 2 D 3 LYS B 199 LEU B 204 1 N ALA B 200 O THR B 169 SHEET 3 D 3 ILE B 251 GLY B 256 -1 N ARG B 255 O TYR B 201 SSBOND 1 CYS A 242 CYS A 258 1555 1555 1.95 SSBOND 2 CYS B 242 CYS B 258 1555 1555 2.04 CISPEP 1 CYS A 242 PRO A 243 0 0.42 CISPEP 2 CYS A 258 PRO A 259 0 -4.35 CISPEP 3 CYS B 242 PRO B 243 0 -4.16 CISPEP 4 CYS B 258 PRO B 259 0 -4.70 CRYST1 77.500 53.000 81.100 90.00 95.80 90.00 P 1 21 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 0.012903 0.000000 0.001311 0.00000 SCALE2 0.000000 0.018868 0.000000 0.00000 SCALE3 0.000000 0.000000 0.012394 0.00000