PDB Short entry for 1B8M HEADER GROWTH FACTOR/NEUROTROPHIN-4 01-FEB-99 1B8M TITLE BRAIN DERIVED NEUROTROPHIC FACTOR, NEUROTROPHIN-4 COMPND MOL_ID: 1; COMPND 2 MOLECULE: PROTEIN (BRAIN DERIVED NEUROTROPHIC FACTOR); COMPND 3 CHAIN: A; COMPND 4 SYNONYM: BDNF; COMPND 5 ENGINEERED: YES; COMPND 6 MOL_ID: 2; COMPND 7 MOLECULE: PROTEIN (NEUROTROPHIN-4); COMPND 8 CHAIN: B; COMPND 9 SYNONYM: NT4; COMPND 10 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 OTHER_DETAILS: SUPPLIED BY REGENERON PHARM.; SOURCE 8 MOL_ID: 2; SOURCE 9 ORGANISM_SCIENTIFIC: HOMO SAPIENS; SOURCE 10 ORGANISM_COMMON: HUMAN; SOURCE 11 ORGANISM_TAXID: 9606; SOURCE 12 EXPRESSION_SYSTEM: ESCHERICHIA COLI; SOURCE 13 EXPRESSION_SYSTEM_TAXID: 562; SOURCE 14 OTHER_DETAILS: SUPPLIED BY REGENERON PHARM. KEYWDS COMPLEX (GROWTH FACTOR-GROWTH FACTOR), NEUROTROPHIN, GROWTH FACTOR- KEYWDS 2 NEUROTROPHIN-4 COMPLEX EXPDTA X-RAY DIFFRACTION AUTHOR R.C.ROBINSON,C.RADZIEJEWSKI,D.I.STUART,E.Y.JONES,S.CHOE REVDAT 6 09-AUG-23 1B8M 1 REMARK REVDAT 5 24-FEB-09 1B8M 1 VERSN REVDAT 4 01-APR-03 1B8M 1 JRNL REVDAT 3 08-APR-03 1B8M 1 SOURCE KEYWDS REMARK REVDAT 2 12-JAN-00 1B8M 1 JRNL DBREF REVDAT 1 09-FEB-99 1B8M 0 JRNL AUTH R.C.ROBINSON,C.RADZIEJEWSKI,G.SPRAGGON,J.GREENWALD, JRNL AUTH 2 M.R.KOSTURA,L.D.BURTNICK,D.I.STUART,S.CHOE,E.Y.JONES JRNL TITL THE STRUCTURES OF THE NEUROTROPHIN 4 HOMODIMER AND THE JRNL TITL 2 BRAIN-DERIVED NEUROTROPHIC FACTOR/NEUROTROPHIN 4 HETERODIMER JRNL TITL 3 REVEAL A COMMON TRK-BINDING SITE. JRNL REF PROTEIN SCI. V. 8 2589 1999 JRNL REFN ISSN 0961-8368 JRNL PMID 10631974 REMARK 1 REMARK 1 REFERENCE 1 REMARK 1 AUTH R.C.ROBINSON,C.RADZIEJEWSKI,D.I.STUART,E.Y.JONES REMARK 1 TITL STRUCTURE OF THE BRAIN-DERIVED NEUROTROPHIC FACTOR REMARK 1 TITL 2 (SLASH)NEUROTROPHIN 3 HETERODIMER REMARK 1 REF BIOCHEMISTRY V. 34 4139 1995 REMARK 1 REFN ISSN 0006-2960 REMARK 1 REFERENCE 2 REMARK 1 AUTH C.RADZIEJEWSKI,R.C.ROBINSON REMARK 1 TITL HETERODIMERS OF THE NEUROTROPHIC FACTORS: FORMATION, REMARK 1 TITL 2 ISOLATION, AND DIFFERENTIAL STABILITY REMARK 1 REF BIOCHEMISTRY V. 32 13350 1993 REMARK 1 REFN ISSN 0006-2960 REMARK 2 REMARK 2 RESOLUTION. 2.75 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) : 2.75 REMARK 3 RESOLUTION RANGE LOW (ANGSTROMS) : 20.00 REMARK 3 DATA CUTOFF (SIGMA(F)) : 0.000 REMARK 3 DATA CUTOFF HIGH (ABS(F)) : 10000000.000 REMARK 3 DATA CUTOFF LOW (ABS(F)) : 0.0010 REMARK 3 COMPLETENESS (WORKING+TEST) (%) : 98.0 REMARK 3 NUMBER OF REFLECTIONS : 7858 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 SET) : 0.198 REMARK 3 FREE R VALUE : 0.279 REMARK 3 FREE R VALUE TEST SET SIZE (%) : 5.000 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 : 1721 REMARK 3 NUCLEIC ACID ATOMS : 0 REMARK 3 HETEROGEN ATOMS : 0 REMARK 3 SOLVENT ATOMS : 57 REMARK 3 REMARK 3 B VALUES. REMARK 3 FROM WILSON PLOT (A**2) : NULL REMARK 3 MEAN B VALUE (OVERALL, A**2) : 36.90 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) : 0.014 REMARK 3 BOND ANGLES (DEGREES) : 2.000 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 1B8M COMPLIES WITH FORMAT V. 3.30, 13-JUL-11 REMARK 100 REMARK 100 THIS ENTRY HAS BEEN PROCESSED BY RCSB ON 02-FEB-99. REMARK 100 THE DEPOSITION ID IS D_1000000418. REMARK 200 REMARK 200 EXPERIMENTAL DETAILS REMARK 200 EXPERIMENT TYPE : X-RAY DIFFRACTION REMARK 200 DATE OF DATA COLLECTION : NULL REMARK 200 TEMPERATURE (KELVIN) : 270.0 REMARK 200 PH : 6.0 REMARK 200 NUMBER OF CRYSTALS USED : 1 REMARK 200 REMARK 200 SYNCHROTRON (Y/N) : Y REMARK 200 RADIATION SOURCE : SRS REMARK 200 BEAMLINE : PX9.6 REMARK 200 X-RAY GENERATOR MODEL : NULL REMARK 200 MONOCHROMATIC OR LAUE (M/L) : M REMARK 200 WAVELENGTH OR RANGE (A) : 0.97 REMARK 200 MONOCHROMATOR : NULL REMARK 200 OPTICS : NULL REMARK 200 REMARK 200 DETECTOR TYPE : IMAGE PLATE REMARK 200 DETECTOR MANUFACTURER : MAR SCANNER 300 MM PLATE REMARK 200 INTENSITY-INTEGRATION SOFTWARE : DENZO REMARK 200 DATA SCALING SOFTWARE : SCALEPACK REMARK 200 REMARK 200 NUMBER OF UNIQUE REFLECTIONS : 7858 REMARK 200 RESOLUTION RANGE HIGH (A) : 2.750 REMARK 200 RESOLUTION RANGE LOW (A) : 20.000 REMARK 200 REJECTION CRITERIA (SIGMA(I)) : NULL REMARK 200 REMARK 200 OVERALL. REMARK 200 COMPLETENESS FOR RANGE (%) : 98.0 REMARK 200 DATA REDUNDANCY : 2.700 REMARK 200 R MERGE (I) : 0.06000 REMARK 200 R SYM (I) : NULL REMARK 200 <I/SIGMA(I)> 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 <I/SIGMA(I)> FOR SHELL : NULL REMARK 200 REMARK 200 DIFFRACTION PROTOCOL: SINGLE WAVELENGTH REMARK 200 METHOD USED TO DETERMINE THE STRUCTURE: MOLECULAR REPLACEMENT REMARK 200 SOFTWARE USED: AMORE REMARK 200 STARTING MODEL: 1BNF REMARK 200 REMARK 200 REMARK: NULL REMARK 280 REMARK 280 CRYSTAL REMARK 280 SOLVENT CONTENT, VS (%): 50.00 REMARK 280 MATTHEWS COEFFICIENT, VM (ANGSTROMS**3/DA): 2.53 REMARK 280 REMARK 280 CRYSTALLIZATION CONDITIONS: PH 6.0 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 25.35000 REMARK 290 SMTRY2 3 0.000000 1.000000 0.000000 52.95000 REMARK 290 SMTRY3 3 0.000000 0.000000 -1.000000 0.00000 REMARK 290 SMTRY1 4 1.000000 0.000000 0.000000 25.35000 REMARK 290 SMTRY2 4 0.000000 -1.000000 0.000000 52.95000 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 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: 2830 ANGSTROM**2 REMARK 350 SURFACE AREA OF THE COMPLEX: 13150 ANGSTROM**2 REMARK 350 CHANGE IN SOLVENT FREE ENERGY: -17.0 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 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 HIS A 1 REMARK 465 SER A 2 REMARK 465 ASP A 3 REMARK 465 PRO A 4 REMARK 465 ALA A 5 REMARK 465 ARG A 6 REMARK 465 ARG A 7 REMARK 465 ARG A 117 REMARK 465 GLY A 118 REMARK 465 ARG A 119 REMARK 465 GLY B 1 REMARK 465 VAL B 2 REMARK 465 SER B 3 REMARK 465 GLU B 4 REMARK 465 THR B 5 REMARK 465 ALA B 6 REMARK 465 PRO B 7 REMARK 465 ALA B 8 REMARK 465 SER B 9 REMARK 465 ARG B 10 REMARK 465 ARG B 11 REMARK 465 ASP B 64 REMARK 465 ASN B 65 REMARK 465 ALA B 66 REMARK 465 GLU B 67 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 GLU B 68 CG CD OE1 OE2 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 9 CD GLU A 9 OE2 0.069 REMARK 500 GLU B 13 CD GLU B 13 OE2 0.073 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 27 NE - CZ - NH2 ANGL. DEV. = -3.7 DEGREES REMARK 500 GLY B 128 N - CA - C ANGL. DEV. = 18.6 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 46 -7.38 89.82 REMARK 500 MET A 61 40.83 -109.15 REMARK 500 ALA B 73 -103.97 -0.36 REMARK 500 ASP B 82 94.15 -59.17 REMARK 500 ARG B 126 -164.23 78.59 REMARK 500 THR B 127 166.96 170.41 REMARK 500 ARG B 129 64.88 85.23 REMARK 500 REMARK 500 REMARK: NULL DBREF 1B8M A 1 119 GB M61176 HUMBDNFB 133 251 DBREF 1B8M B 1 130 GB M86528 HUMPPNT4P 81 210 SEQRES 1 A 119 HIS SER ASP PRO ALA ARG ARG GLY GLU LEU SER VAL CYS SEQRES 2 A 119 ASP SER ILE SER GLU TRP VAL THR ALA ALA ASP LYS LYS SEQRES 3 A 119 THR ALA VAL ASP MET SER GLY GLY THR VAL THR VAL LEU SEQRES 4 A 119 GLU LYS VAL PRO VAL SER LYS GLY GLN LEU LYS GLN TYR SEQRES 5 A 119 PHE TYR GLU THR LYS CYS ASN PRO MET GLY TYR THR LYS SEQRES 6 A 119 GLU GLY CYS ARG GLY ILE ASP LYS ARG HIS TRP ASN SER SEQRES 7 A 119 GLN CYS ARG THR THR GLN SER TYR VAL ARG ALA LEU THR SEQRES 8 A 119 MET ASP SER LYS LYS ARG ILE GLY TRP ARG PHE ILE ARG SEQRES 9 A 119 ILE ASP THR SER CYS VAL CYS THR LEU THR ILE LYS ARG SEQRES 10 A 119 GLY ARG SEQRES 1 B 130 GLY VAL SER GLU THR ALA PRO ALA SER ARG ARG GLY GLU SEQRES 2 B 130 LEU ALA VAL CYS ASP ALA VAL SER GLY TRP VAL THR ASP SEQRES 3 B 130 ARG ARG THR ALA VAL ASP LEU ARG GLY ARG GLU VAL GLU SEQRES 4 B 130 VAL LEU GLY GLU VAL PRO ALA ALA GLY GLY SER PRO LEU SEQRES 5 B 130 ARG GLN TYR PHE PHE GLU THR ARG CYS LYS ALA ASP ASN SEQRES 6 B 130 ALA GLU GLU GLY GLY PRO GLY ALA GLY GLY GLY GLY CYS SEQRES 7 B 130 ARG GLY VAL ASP ARG ARG HIS TRP VAL SER GLU CYS LYS SEQRES 8 B 130 ALA LYS GLN SER TYR VAL ARG ALA LEU THR ALA ASP ALA SEQRES 9 B 130 GLN GLY ARG VAL GLY TRP ARG TRP ILE ARG ILE ASP THR SEQRES 10 B 130 ALA CYS VAL CYS THR LEU LEU SER ARG THR GLY ARG ALA FORMUL 3 HOH *57(H2 O) HELIX 1 1 ALA A 22 LYS A 25 5 4 SHEET 1 A 2 SER A 15 THR A 21 0 SHEET 2 A 2 TYR A 52 CYS A 58 -1 N LYS A 57 O ILE A 16 SHEET 1 B 2 THR A 27 VAL A 29 0 SHEET 2 B 2 THR A 35 THR A 37 -1 N VAL A 36 O ALA A 28 SHEET 1 C 2 LYS A 41 VAL A 44 0 SHEET 2 C 2 GLY A 47 LYS A 50 -1 N LEU A 49 O VAL A 42 SHEET 1 D 2 ASN A 77 MET A 92 0 SHEET 2 D 2 ILE A 98 THR A 114 -1 N THR A 114 O ASN A 77 SHEET 1 E 2 ALA B 19 VAL B 24 0 SHEET 2 E 2 PHE B 56 CYS B 61 -1 N ARG B 60 O VAL B 20 SHEET 1 F 2 THR B 29 VAL B 31 0 SHEET 2 F 2 GLU B 37 GLU B 39 -1 N VAL B 38 O ALA B 30 SHEET 1 G 2 GLN B 94 ALA B 102 0 SHEET 2 G 2 VAL B 108 ASP B 116 -1 N ILE B 115 O SER B 95 SHEET 1 H 2 VAL B 87 LYS B 93 0 SHEET 2 H 2 ALA B 118 SER B 125 -1 N SER B 125 O VAL B 87 SSBOND 1 CYS A 13 CYS A 80 1555 1555 2.01 SSBOND 2 CYS A 58 CYS A 109 1555 1555 2.04 SSBOND 3 CYS A 68 CYS A 111 1555 1555 2.02 SSBOND 4 CYS B 17 CYS B 90 1555 1555 2.02 SSBOND 5 CYS B 61 CYS B 119 1555 1555 2.02 SSBOND 6 CYS B 78 CYS B 121 1555 1555 2.02 CRYST1 50.700 105.900 51.800 90.00 90.00 90.00 P 21 21 2 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 0.019724 0.000000 0.000000 0.00000 SCALE2 0.000000 0.009443 0.000000 0.00000 SCALE3 0.000000 0.000000 0.019305 0.00000