HEADER SPASMOLYTIC PROTEIN 05-JAN-94 1PSP TITLE PANCREATIC SPASMOLYTIC POLYPEPTIDE: FIRST THREE-DIMENSIONAL STRUCTURE TITLE 2 OF A MEMBER OF THE MAMMALIAN TREFOIL FAMILY OF PEPTIDES COMPND MOL_ID: 1; COMPND 2 MOLECULE: PANCREATIC SPASMOLYTIC POLYPEPTIDE; COMPND 3 CHAIN: A, B; COMPND 4 ENGINEERED: YES SOURCE MOL_ID: 1; SOURCE 2 ORGANISM_SCIENTIFIC: SUS SCROFA; SOURCE 3 ORGANISM_COMMON: PIG; SOURCE 4 ORGANISM_TAXID: 9823 KEYWDS SPASMOLYTIC PROTEIN EXPDTA X-RAY DIFFRACTION AUTHOR M.GAJHEDE,T.N.PETERSEN,A.HENRIKSEN,J.F.W.PETERSEN,Z.DAUTER, AUTHOR 2 K.S.WILSON,L.THIM REVDAT 5 25-DEC-19 1PSP 1 SEQADV SEQRES LINK REVDAT 4 29-NOV-17 1PSP 1 HELIX REVDAT 3 24-FEB-09 1PSP 1 VERSN REVDAT 2 30-SEP-03 1PSP 1 JRNL DBREF REVDAT 1 30-APR-94 1PSP 0 JRNL AUTH M.GAJHEDE,T.N.PETERSEN,A.HENRIKSEN,J.F.PETERSEN,Z.DAUTER, JRNL AUTH 2 K.S.WILSON,L.THIM JRNL TITL PANCREATIC SPASMOLYTIC POLYPEPTIDE: FIRST THREE-DIMENSIONAL JRNL TITL 2 STRUCTURE OF A MEMBER OF THE MAMMALIAN TREFOIL FAMILY OF JRNL TITL 3 PEPTIDES. JRNL REF STRUCTURE V. 1 253 1993 JRNL REFN ISSN 0969-2126 JRNL PMID 8081739 JRNL DOI 10.1016/0969-2126(93)90014-8 REMARK 1 REMARK 1 REFERENCE 1 REMARK 1 AUTH M.GAJHEDE,L.THIM,K.H.JORGENSEN,S.G.MELBERG REMARK 1 TITL PANCREATIC SPASMOLYTIC POLYPEPTIDE: CRYSTALLIZATION, REMARK 1 TITL 2 CIRCULAR DICHROISM ANALYSIS, AND PRELIMINARY X-RAY REMARK 1 TITL 3 DIFFRACTION STUDIES REMARK 1 REF PROTEINS V. 13 364 1992 REMARK 1 REFN ISSN 0887-3585 REMARK 2 REMARK 2 RESOLUTION. 2.50 ANGSTROMS. REMARK 3 REMARK 3 REFINEMENT. REMARK 3 PROGRAM : X-PLOR REMARK 3 AUTHORS : BRUNGER REMARK 3 REMARK 3 DATA USED IN REFINEMENT. REMARK 3 RESOLUTION RANGE HIGH (ANGSTROMS) : 2.50 REMARK 3 RESOLUTION RANGE LOW (ANGSTROMS) : NULL 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) (%) : NULL REMARK 3 NUMBER OF REFLECTIONS : NULL REMARK 3 REMARK 3 FIT TO DATA USED IN REFINEMENT. REMARK 3 CROSS-VALIDATION METHOD : NULL REMARK 3 FREE R VALUE TEST SET SELECTION : NULL REMARK 3 R VALUE (WORKING SET) : 0.200 REMARK 3 FREE R VALUE : NULL REMARK 3 FREE R VALUE TEST SET SIZE (%) : NULL REMARK 3 FREE R VALUE TEST SET COUNT : NULL 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) : NULL REMARK 3 BIN RESOLUTION RANGE LOW (A) : NULL REMARK 3 BIN COMPLETENESS (WORKING+TEST) (%) : NULL REMARK 3 REFLECTIONS IN BIN (WORKING SET) : NULL REMARK 3 BIN R VALUE (WORKING SET) : NULL REMARK 3 BIN FREE R VALUE : NULL REMARK 3 BIN FREE R VALUE TEST SET SIZE (%) : NULL REMARK 3 BIN FREE R VALUE TEST SET COUNT : NULL 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 : 1624 REMARK 3 NUCLEIC ACID ATOMS : 0 REMARK 3 HETEROGEN ATOMS : 0 REMARK 3 SOLVENT ATOMS : 88 REMARK 3 REMARK 3 B VALUES. REMARK 3 FROM WILSON PLOT (A**2) : NULL 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 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) : 0.026 REMARK 3 BOND ANGLES (DEGREES) : 2.360 REMARK 3 DIHEDRAL ANGLES (DEGREES) : NULL REMARK 3 IMPROPER ANGLES (DEGREES) : NULL REMARK 3 REMARK 3 ISOTROPIC THERMAL MODEL : 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 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: NULL REMARK 4 REMARK 4 1PSP COMPLIES WITH FORMAT V. 3.30, 13-JUL-11 REMARK 100 REMARK 100 THIS ENTRY HAS BEEN PROCESSED BY BNL. REMARK 100 THE DEPOSITION ID IS D_1000175833. REMARK 200 REMARK 200 EXPERIMENTAL DETAILS REMARK 200 EXPERIMENT TYPE : X-RAY DIFFRACTION REMARK 200 DATE OF DATA COLLECTION : NULL REMARK 200 TEMPERATURE (KELVIN) : NULL REMARK 200 PH : NULL REMARK 200 NUMBER OF CRYSTALS USED : NULL REMARK 200 REMARK 200 SYNCHROTRON (Y/N) : NULL REMARK 200 RADIATION SOURCE : NULL REMARK 200 BEAMLINE : NULL REMARK 200 X-RAY GENERATOR MODEL : NULL REMARK 200 MONOCHROMATIC OR LAUE (M/L) : NULL REMARK 200 WAVELENGTH OR RANGE (A) : NULL REMARK 200 MONOCHROMATOR : NULL REMARK 200 OPTICS : NULL REMARK 200 REMARK 200 DETECTOR TYPE : NULL REMARK 200 DETECTOR MANUFACTURER : NULL REMARK 200 INTENSITY-INTEGRATION SOFTWARE : NULL REMARK 200 DATA SCALING SOFTWARE : NULL REMARK 200 REMARK 200 NUMBER OF UNIQUE REFLECTIONS : NULL REMARK 200 RESOLUTION RANGE HIGH (A) : NULL REMARK 200 RESOLUTION RANGE LOW (A) : NULL REMARK 200 REJECTION CRITERIA (SIGMA(I)) : NULL REMARK 200 REMARK 200 OVERALL. REMARK 200 COMPLETENESS FOR RANGE (%) : NULL REMARK 200 DATA REDUNDANCY : NULL REMARK 200 R MERGE (I) : NULL REMARK 200 R SYM (I) : NULL REMARK 200 FOR THE DATA SET : NULL 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 FOR SHELL : NULL REMARK 200 REMARK 200 DIFFRACTION PROTOCOL: NULL REMARK 200 METHOD USED TO DETERMINE THE STRUCTURE: NULL REMARK 200 SOFTWARE USED: X-PLOR REMARK 200 STARTING MODEL: NULL REMARK 200 REMARK 200 REMARK: NULL REMARK 280 REMARK 280 CRYSTAL REMARK 280 SOLVENT CONTENT, VS (%): 67.92 REMARK 280 MATTHEWS COEFFICIENT, VM (ANGSTROMS**3/DA): 3.83 REMARK 280 REMARK 280 CRYSTALLIZATION CONDITIONS: NULL REMARK 290 REMARK 290 CRYSTALLOGRAPHIC SYMMETRY REMARK 290 SYMMETRY OPERATORS FOR SPACE GROUP: I 21 21 21 REMARK 290 REMARK 290 SYMOP SYMMETRY REMARK 290 NNNMMM OPERATOR REMARK 290 1555 X,Y,Z REMARK 290 2555 -X+1/2,-Y,Z+1/2 REMARK 290 3555 -X,Y+1/2,-Z+1/2 REMARK 290 4555 X+1/2,-Y+1/2,-Z REMARK 290 5555 X+1/2,Y+1/2,Z+1/2 REMARK 290 6555 -X,-Y+1/2,Z REMARK 290 7555 -X+1/2,Y,-Z REMARK 290 8555 X,-Y,-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 27.35000 REMARK 290 SMTRY2 2 0.000000 -1.000000 0.000000 0.00000 REMARK 290 SMTRY3 2 0.000000 0.000000 1.000000 90.75000 REMARK 290 SMTRY1 3 -1.000000 0.000000 0.000000 0.00000 REMARK 290 SMTRY2 3 0.000000 1.000000 0.000000 36.30000 REMARK 290 SMTRY3 3 0.000000 0.000000 -1.000000 90.75000 REMARK 290 SMTRY1 4 1.000000 0.000000 0.000000 27.35000 REMARK 290 SMTRY2 4 0.000000 -1.000000 0.000000 36.30000 REMARK 290 SMTRY3 4 0.000000 0.000000 -1.000000 0.00000 REMARK 290 SMTRY1 5 1.000000 0.000000 0.000000 27.35000 REMARK 290 SMTRY2 5 0.000000 1.000000 0.000000 36.30000 REMARK 290 SMTRY3 5 0.000000 0.000000 1.000000 90.75000 REMARK 290 SMTRY1 6 -1.000000 0.000000 0.000000 0.00000 REMARK 290 SMTRY2 6 0.000000 -1.000000 0.000000 36.30000 REMARK 290 SMTRY3 6 0.000000 0.000000 1.000000 0.00000 REMARK 290 SMTRY1 7 -1.000000 0.000000 0.000000 27.35000 REMARK 290 SMTRY2 7 0.000000 1.000000 0.000000 0.00000 REMARK 290 SMTRY3 7 0.000000 0.000000 -1.000000 0.00000 REMARK 290 SMTRY1 8 1.000000 0.000000 0.000000 0.00000 REMARK 290 SMTRY2 8 0.000000 -1.000000 0.000000 0.00000 REMARK 290 SMTRY3 8 0.000000 0.000000 -1.000000 90.75000 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 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 CYS B 83 CB CYS B 83 SG -0.137 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 B 16 NE - CZ - NH2 ANGL. DEV. = -3.3 DEGREES REMARK 500 ILE B 89 CB - CA - C ANGL. DEV. = -12.6 DEGREES REMARK 500 PRO B 98 C - N - CA ANGL. DEV. = 9.5 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 LYS A 2 108.02 -46.59 REMARK 500 ASN A 18 138.45 -33.68 REMARK 500 VAL A 62 -38.83 -33.71 REMARK 500 GLU A 102 -46.73 -169.35 REMARK 500 CYS A 104 95.98 -62.28 REMARK 500 ALA B 80 3.24 -64.37 REMARK 500 HIS B 105 169.58 178.58 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 TYR B 70 0.07 SIDE CHAIN REMARK 500 REMARK 500 REMARK: NULL DBREF 1PSP A 2 106 UNP P01359 TFF2_PIG 23 127 DBREF 1PSP B 2 106 UNP P01359 TFF2_PIG 23 127 SEQADV 1PSP GLN A 61 UNP P01359 GLU 82 CONFLICT SEQADV 1PSP ALA A 80 UNP P01359 ARG 101 CONFLICT SEQADV 1PSP GLN B 61 UNP P01359 GLU 82 CONFLICT SEQADV 1PSP ALA B 80 UNP P01359 ARG 101 CONFLICT SEQRES 1 A 106 PCA LYS PRO ALA ALA CYS ARG CYS SER ARG GLN ASP PRO SEQRES 2 A 106 LYS ASN ARG VAL ASN CYS GLY PHE PRO GLY ILE THR SER SEQRES 3 A 106 ASP GLN CYS PHE THR SER GLY CYS CYS PHE ASP SER GLN SEQRES 4 A 106 VAL PRO GLY VAL PRO TRP CYS PHE LYS PRO LEU PRO ALA SEQRES 5 A 106 GLN GLU SER GLU GLU CYS VAL MET GLN VAL SER ALA ARG SEQRES 6 A 106 LYS ASN CYS GLY TYR PRO GLY ILE SER PRO GLU ASP CYS SEQRES 7 A 106 ALA ALA ARG ASN CYS CYS PHE SER ASP THR ILE PRO GLU SEQRES 8 A 106 VAL PRO TRP CYS PHE PHE PRO MET SER VAL GLU ASP CYS SEQRES 9 A 106 HIS TYR SEQRES 1 B 106 PCA LYS PRO ALA ALA CYS ARG CYS SER ARG GLN ASP PRO SEQRES 2 B 106 LYS ASN ARG VAL ASN CYS GLY PHE PRO GLY ILE THR SER SEQRES 3 B 106 ASP GLN CYS PHE THR SER GLY CYS CYS PHE ASP SER GLN SEQRES 4 B 106 VAL PRO GLY VAL PRO TRP CYS PHE LYS PRO LEU PRO ALA SEQRES 5 B 106 GLN GLU SER GLU GLU CYS VAL MET GLN VAL SER ALA ARG SEQRES 6 B 106 LYS ASN CYS GLY TYR PRO GLY ILE SER PRO GLU ASP CYS SEQRES 7 B 106 ALA ALA ARG ASN CYS CYS PHE SER ASP THR ILE PRO GLU SEQRES 8 B 106 VAL PRO TRP CYS PHE PHE PRO MET SER VAL GLU ASP CYS SEQRES 9 B 106 HIS TYR MODRES 1PSP PCA A 1 GLN PYROGLUTAMIC ACID MODRES 1PSP PCA B 1 GLN PYROGLUTAMIC ACID HET PCA A 1 8 HET PCA B 1 8 HETNAM PCA PYROGLUTAMIC ACID FORMUL 1 PCA 2(C5 H7 N O3) FORMUL 3 HOH *88(H2 O) HELIX 1 H1A ALA A 5 ARG A 10 1 6 HELIX 2 H2A ASP A 12 ARG A 16 5 5 HELIX 3 H3A THR A 25 SER A 32 1 8 HELIX 4 H4A SER A 55 VAL A 59 5 5 HELIX 5 H5A GLN A 61 ARG A 65 5 5 HELIX 6 H6A SER A 74 ARG A 81 1 8 HELIX 7 H1B ALA B 5 ARG B 10 1 6 HELIX 8 H2B ASP B 12 ARG B 16 5 5 HELIX 9 H3B THR B 25 THR B 31 1 7 HELIX 10 H4B SER B 55 VAL B 59 5 5 HELIX 11 H5B GLN B 61 ARG B 65 5 5 HELIX 12 H6B SER B 74 ALA B 80 1 7 SHEET 1 S1A 2 CYS A 35 ASP A 37 0 SHEET 2 S1A 2 TRP A 45 PHE A 47 -1 N PHE A 47 O CYS A 35 SHEET 1 S1B 2 CYS B 35 ASP B 37 0 SHEET 2 S1B 2 TRP B 45 PHE B 47 -1 N PHE B 47 O CYS B 35 SSBOND 1 CYS A 6 CYS A 104 1555 1555 2.37 SSBOND 2 CYS A 8 CYS A 35 1555 1555 2.03 SSBOND 3 CYS A 19 CYS A 34 1555 1555 2.01 SSBOND 4 CYS A 29 CYS A 46 1555 1555 2.01 SSBOND 5 CYS A 58 CYS A 84 1555 1555 2.02 SSBOND 6 CYS A 68 CYS A 83 1555 1555 2.00 SSBOND 7 CYS A 78 CYS A 95 1555 1555 1.99 SSBOND 8 CYS B 6 CYS B 104 1555 1555 2.17 SSBOND 9 CYS B 8 CYS B 35 1555 1555 2.15 SSBOND 10 CYS B 19 CYS B 34 1555 1555 2.08 SSBOND 11 CYS B 29 CYS B 46 1555 1555 2.13 SSBOND 12 CYS B 58 CYS B 84 1555 1555 2.19 SSBOND 13 CYS B 68 CYS B 83 1555 1555 2.16 SSBOND 14 CYS B 78 CYS B 95 1555 1555 2.24 LINK C PCA A 1 N LYS A 2 1555 1555 1.33 LINK C PCA B 1 N LYS B 2 1555 1555 1.31 CRYST1 54.700 72.600 181.500 90.00 90.00 90.00 I 21 21 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 0.018282 0.000000 0.000000 0.00000 SCALE2 0.000000 0.013774 0.000000 0.00000 SCALE3 0.000000 0.000000 0.005510 0.00000 MTRIX1 1 0.798128 -0.602460 -0.005854 38.81870 1 MTRIX2 1 -0.602474 -0.798138 -0.000780 114.31960 1 MTRIX3 1 -0.004202 0.004149 -0.999983 119.92660 1 HETATM 1 N PCA A 1 25.686 44.892 82.141 1.00 38.54 N HETATM 2 CA PCA A 1 26.200 43.828 83.075 1.00 34.31 C HETATM 3 CB PCA A 1 25.263 42.626 83.061 1.00 36.68 C HETATM 4 CG PCA A 1 23.858 43.318 82.693 1.00 40.13 C HETATM 5 CD PCA A 1 24.263 44.619 81.973 1.00 40.74 C HETATM 6 OE PCA A 1 23.468 45.568 81.936 1.00 42.13 O HETATM 7 C PCA A 1 27.561 43.450 82.561 1.00 31.62 C HETATM 8 O PCA A 1 27.930 43.823 81.431 1.00 30.50 O