HEADER DEFENSIN 18-JAN-91 1DFN TITLE CRYSTAL STRUCTURE OF DEFENSIN HNP-3, AN AMPHIPHILIC DIMER: MECHANISMS TITLE 2 OF MEMBRANE PERMEABILIZATION COMPND MOL_ID: 1; COMPND 2 MOLECULE: DEFENSIN HNP-3; COMPND 3 CHAIN: A, B; COMPND 4 ENGINEERED: YES SOURCE MOL_ID: 1; SOURCE 2 ORGANISM_SCIENTIFIC: HOMO SAPIENS; SOURCE 3 ORGANISM_COMMON: HUMAN; SOURCE 4 ORGANISM_TAXID: 9606 KEYWDS DEFENSIN EXPDTA X-RAY DIFFRACTION AUTHOR C.P.HILL,J.YEE,M.E.SELSTED,D.EISENBERG REVDAT 4 23-OCT-24 1DFN 1 REMARK REVDAT 3 29-NOV-17 1DFN 1 HELIX REVDAT 2 24-FEB-09 1DFN 1 VERSN REVDAT 1 15-JUL-92 1DFN 0 JRNL AUTH C.P.HILL,J.YEE,M.E.SELSTED,D.EISENBERG JRNL TITL CRYSTAL STRUCTURE OF DEFENSIN HNP-3, AN AMPHIPHILIC DIMER: JRNL TITL 2 MECHANISMS OF MEMBRANE PERMEABILIZATION. JRNL REF SCIENCE V. 251 1481 1991 JRNL REFN ISSN 0036-8075 JRNL PMID 2006422 REMARK 1 REMARK 1 REFERENCE 1 REMARK 1 AUTH M.E.SELSTED,S.S.L.HARWIG,T.GANZ,J.W.SCHILLING,R.I.LEHRER REMARK 1 TITL PRIMARY STRUCTURES OF THREE HUMAN NEUTROPHIL DEFENSINS REMARK 1 REF J.CLIN.INVEST. V. 76 1436 1985 REMARK 1 REFN ISSN 0021-9738 REMARK 1 REFERENCE 2 REMARK 1 AUTH T.GANZ,M.E.SELSTED,D.SZKLAREK,S.S.L.HARWIG,K.DAHER, REMARK 1 AUTH 2 D.F.BAINTON,R.I.LEHRER REMARK 1 TITL DEFENSINS. NATURAL PEPTIDE ANTIBIOTICS OF HUMAN NEUTROPHILS REMARK 1 REF J.CLIN.INVEST. V. 76 1427 1985 REMARK 1 REFN ISSN 0021-9738 REMARK 2 REMARK 2 RESOLUTION. 1.90 ANGSTROMS. REMARK 3 REMARK 3 REFINEMENT. REMARK 3 PROGRAM : PROLSQ REMARK 3 AUTHORS : KONNERT,HENDRICKSON REMARK 3 REMARK 3 DATA USED IN REFINEMENT. REMARK 3 RESOLUTION RANGE HIGH (ANGSTROMS) : 1.90 REMARK 3 RESOLUTION RANGE LOW (ANGSTROMS) : 10.00 REMARK 3 DATA CUTOFF (SIGMA(F)) : NULL REMARK 3 COMPLETENESS FOR RANGE (%) : 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 + TEST SET) : 0.190 REMARK 3 R VALUE (WORKING SET) : NULL 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 REMARK 3 FIT/AGREEMENT OF MODEL WITH ALL DATA. 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) : NULL 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 NUMBER OF NON-HYDROGEN ATOMS USED IN REFINEMENT. REMARK 3 PROTEIN ATOMS : 470 REMARK 3 NUCLEIC ACID ATOMS : 0 REMARK 3 HETEROGEN ATOMS : 0 REMARK 3 SOLVENT ATOMS : 44 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 RMS DEVIATIONS FROM IDEAL VALUES. REMARK 3 DISTANCE RESTRAINTS. RMS SIGMA REMARK 3 BOND LENGTH (A) : 0.019 ; 0.020 REMARK 3 ANGLE DISTANCE (A) : 0.049 ; 0.040 REMARK 3 INTRAPLANAR 1-4 DISTANCE (A) : 0.045 ; 0.050 REMARK 3 H-BOND OR METAL COORDINATION (A) : NULL ; NULL REMARK 3 REMARK 3 PLANE RESTRAINT (A) : 0.014 ; 0.020 REMARK 3 CHIRAL-CENTER RESTRAINT (A**3) : 0.180 ; 0.150 REMARK 3 REMARK 3 NON-BONDED CONTACT RESTRAINTS. REMARK 3 SINGLE TORSION (A) : 0.204 ; 0.500 REMARK 3 MULTIPLE TORSION (A) : 0.274 ; 0.500 REMARK 3 H-BOND (X...Y) (A) : NULL ; NULL REMARK 3 H-BOND (X-H...Y) (A) : 0.181 ; 0.500 REMARK 3 REMARK 3 CONFORMATIONAL TORSION ANGLE RESTRAINTS. REMARK 3 SPECIFIED (DEGREES) : NULL ; NULL REMARK 3 PLANAR (DEGREES) : 2.800 ; 3.000 REMARK 3 STAGGERED (DEGREES) : 18.200; 15.000 REMARK 3 TRANSVERSE (DEGREES) : NULL ; NULL REMARK 3 REMARK 3 ISOTROPIC THERMAL FACTOR RESTRAINTS. RMS SIGMA REMARK 3 MAIN-CHAIN BOND (A**2) : 0.991 ; 1.000 REMARK 3 MAIN-CHAIN ANGLE (A**2) : 1.720 ; 1.500 REMARK 3 SIDE-CHAIN BOND (A**2) : 1.565 ; 1.000 REMARK 3 SIDE-CHAIN ANGLE (A**2) : 2.427 ; 1.500 REMARK 3 REMARK 3 OTHER REFINEMENT REMARKS: NULL REMARK 4 REMARK 4 1DFN 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_1000172771. 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: NULL REMARK 200 STARTING MODEL: NULL REMARK 200 REMARK 200 REMARK: NULL REMARK 280 REMARK 280 CRYSTAL REMARK 280 SOLVENT CONTENT, VS (%): 38.39 REMARK 280 MATTHEWS COEFFICIENT, VM (ANGSTROMS**3/DA): 2.00 REMARK 280 REMARK 280 CRYSTALLIZATION CONDITIONS: NULL REMARK 290 REMARK 290 CRYSTALLOGRAPHIC SYMMETRY REMARK 290 SYMMETRY OPERATORS FOR SPACE GROUP: P 21 21 2 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 15.40000 REMARK 290 SMTRY2 3 0.000000 1.000000 0.000000 22.50000 REMARK 290 SMTRY3 3 0.000000 0.000000 -1.000000 0.00000 REMARK 290 SMTRY1 4 1.000000 0.000000 0.000000 15.40000 REMARK 290 SMTRY2 4 0.000000 -1.000000 0.000000 22.50000 REMARK 290 SMTRY3 4 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 300 REMARK: THE TWO MOLECULES IN THE ASYMMETRIC UNIT HAVE BEEN ASSIGNED REMARK 300 CHAIN IDENTIFIERS *A* AND *B*. REMARK 300 REMARK 300 EACH OF THE TWO MONOMERS IN THE ASYMMETRIC UNIT CONTAINS REMARK 300 A THREE STRAND ANTIPARALLEL SHEET. A LOCAL TWO-FOLD AXIS REMARK 300 RELATING MOLECULES *A* AND *B* RESULTS IN A SIX-STRANDED REMARK 300 ANTIPARALLEL SHEET IN THE DIMER. REMARK 300 REMARK 300 THE TWO MOLECULES IN THE ASYMMETRIC UNIT ARE RELATED TO REMARK 300 EACH OTHER BY A LOCAL TWO-FOLD AXIS. 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: 850 ANGSTROM**2 REMARK 350 SURFACE AREA OF THE COMPLEX: 4160 ANGSTROM**2 REMARK 350 CHANGE IN SOLVENT FREE ENERGY: -9.0 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 350 REMARK 350 BIOMOLECULE: 2 REMARK 350 SOFTWARE DETERMINED QUATERNARY STRUCTURE: TETRAMERIC REMARK 350 SOFTWARE USED: PISA REMARK 350 TOTAL BURIED SURFACE AREA: 2400 ANGSTROM**2 REMARK 350 SURFACE AREA OF THE COMPLEX: 7610 ANGSTROM**2 REMARK 350 CHANGE IN SOLVENT FREE ENERGY: -28.0 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 350 BIOMT1 2 -1.000000 0.000000 0.000000 30.80000 REMARK 350 BIOMT2 2 0.000000 -1.000000 0.000000 45.00000 REMARK 350 BIOMT3 2 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 B 35 LIES ON A SPECIAL POSITION. REMARK 470 REMARK 470 MISSING ATOM REMARK 470 THE FOLLOWING RESIDUES HAVE MISSING ATOMS (M=MODEL NUMBER; REMARK 470 RES=RESIDUE NAME; C=CHAIN IDENTIFIER; SSEQ=SEQUENCE NUMBER; REMARK 470 I=INSERTION CODE): REMARK 470 M RES CSSEQI ATOMS REMARK 470 ARG A 15 CG CD NE CZ NH1 NH2 REMARK 470 ASP B 2 OD1 OD2 REMARK 470 ARG B 15 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 O HOH A 58 O HOH A 59 2.07 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 CYS B 20 CA CYS B 20 CB -0.084 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 TYR A 4 CB - CG - CD2 ANGL. DEV. = -5.4 DEGREES REMARK 500 ARG A 16 NE - CZ - NH2 ANGL. DEV. = 3.1 DEGREES REMARK 500 ARG A 25 CD - NE - CZ ANGL. DEV. = -9.1 DEGREES REMARK 500 ARG A 25 NH1 - CZ - NH2 ANGL. DEV. = 6.7 DEGREES REMARK 500 ARG A 25 NE - CZ - NH1 ANGL. DEV. = -4.0 DEGREES REMARK 500 ARG A 25 NE - CZ - NH2 ANGL. DEV. = -3.5 DEGREES REMARK 500 ARG B 6 NH1 - CZ - NH2 ANGL. DEV. = -6.6 DEGREES REMARK 500 ARG B 6 NE - CZ - NH2 ANGL. DEV. = 4.8 DEGREES REMARK 500 ILE B 7 CB - CA - C ANGL. DEV. = 13.2 DEGREES REMARK 500 ILE B 11 CA - CB - CG2 ANGL. DEV. = 13.3 DEGREES REMARK 500 ARG B 15 CA - CB - CG ANGL. DEV. = 14.2 DEGREES REMARK 500 ARG B 16 CD - NE - CZ ANGL. DEV. = 9.5 DEGREES REMARK 500 ARG B 16 NE - CZ - NH2 ANGL. DEV. = 4.3 DEGREES REMARK 500 ARG B 25 NH1 - CZ - NH2 ANGL. DEV. = -7.9 DEGREES REMARK 500 ARG B 25 NE - CZ - NH1 ANGL. DEV. = 7.2 DEGREES 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 25 0.10 SIDE CHAIN REMARK 500 REMARK 500 REMARK: NULL REMARK 700 REMARK 700 SHEET REMARK 700 THERE IS A CLASSIC BULGE INVOLVING RESIDUES 17, 18, REMARK 700 AND 29 FOR EACH OF THE CHAINS. REMARK 999 REMARK 999 SEQUENCE REMARK 999 THE 30 RESIDUES IN HNP-3 HAVE BEEN NUMBERED FROM 2 - 31 IN REMARK 999 ORDER TO BETTER FIT THE SEQUENCE ALIGNMENT WITH OTHER REMARK 999 DEFENSIN MOLECULES. DBREF 1DFN A 3 31 UNP P59665 DEF1_HUMAN 66 94 DBREF 1DFN B 3 31 UNP P59665 DEF1_HUMAN 66 94 SEQRES 1 A 30 ASP CYS TYR CYS ARG ILE PRO ALA CYS ILE ALA GLY GLU SEQRES 2 A 30 ARG ARG TYR GLY THR CYS ILE TYR GLN GLY ARG LEU TRP SEQRES 3 A 30 ALA PHE CYS CYS SEQRES 1 B 30 ASP CYS TYR CYS ARG ILE PRO ALA CYS ILE ALA GLY GLU SEQRES 2 B 30 ARG ARG TYR GLY THR CYS ILE TYR GLN GLY ARG LEU TRP SEQRES 3 B 30 ALA PHE CYS CYS FORMUL 3 HOH *44(H2 O) SHEET 1 SAB 6 TYR A 4 ARG A 6 0 SHEET 2 SAB 6 ARG A 25 CYS A 31 -1 SHEET 3 SAB 6 ARG A 15 TYR A 22 -1 SHEET 4 SAB 6 ARG B 15 TYR B 22 -1 SHEET 5 SAB 6 ARG B 25 CYS B 31 -1 SHEET 6 SAB 6 TYR B 4 ARG B 6 -1 SSBOND 1 CYS A 3 CYS A 31 1555 1555 1.97 SSBOND 2 CYS A 5 CYS A 20 1555 1555 1.97 SSBOND 3 CYS A 10 CYS A 30 1555 1555 1.93 SSBOND 4 CYS B 3 CYS B 31 1555 1555 2.01 SSBOND 5 CYS B 5 CYS B 20 1555 1555 1.98 SSBOND 6 CYS B 10 CYS B 30 1555 1555 1.96 CISPEP 1 ILE A 7 PRO A 8 0 2.87 CISPEP 2 ILE B 7 PRO B 8 0 -0.02 CRYST1 30.800 45.000 40.300 90.00 90.00 90.00 P 21 21 2 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 0.032467 0.000000 0.000000 0.00000 SCALE2 0.000000 0.022222 0.000000 0.00000 SCALE3 0.000000 0.000000 0.024814 0.00000