PDB Short entry for 2DSP HEADER PROTEIN BINDING/HORMONE/GROWTH FACTOR 05-JUL-06 2DSP TITLE STRUCTURAL BASIS FOR THE INHIBITION OF INSULIN-LIKE GROWTH FACTORS BY TITLE 2 IGF BINDING PROTEINS COMPND MOL_ID: 1; COMPND 2 MOLECULE: INSULIN-LIKE GROWTH FACTOR-BINDING PROTEIN 4; COMPND 3 CHAIN: B; COMPND 4 FRAGMENT: N-TERMINAL DOMAIN; COMPND 5 SYNONYM: IGFBP-4, IBP-4, IGF-BINDING PROTEIN 4; COMPND 6 ENGINEERED: YES; COMPND 7 MOL_ID: 2; COMPND 8 MOLECULE: INSULIN-LIKE GROWTH FACTOR IB; COMPND 9 CHAIN: I; COMPND 10 SYNONYM: IGF-IB, SOMATOMEDIN C, MECHANO GROWTH FACTOR, MGF; COMPND 11 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 BL21(DE3); SOURCE 6 EXPRESSION_SYSTEM_TAXID: 469008; SOURCE 7 EXPRESSION_SYSTEM_STRAIN: BL-21(DE3); SOURCE 8 EXPRESSION_SYSTEM_VECTOR_TYPE: PLASMID; SOURCE 9 EXPRESSION_SYSTEM_PLASMID: PET28A; SOURCE 10 MOL_ID: 2; SOURCE 11 ORGANISM_SCIENTIFIC: HOMO SAPIENS; SOURCE 12 ORGANISM_COMMON: HUMAN; SOURCE 13 ORGANISM_TAXID: 9606; SOURCE 14 EXPRESSION_SYSTEM: ESCHERICHIA COLI BL21(DE3); SOURCE 15 EXPRESSION_SYSTEM_TAXID: 469008; SOURCE 16 EXPRESSION_SYSTEM_STRAIN: BL-21(DE3); SOURCE 17 EXPRESSION_SYSTEM_VECTOR_TYPE: PLASMID; SOURCE 18 EXPRESSION_SYSTEM_PLASMID: PET28A KEYWDS IGF, IGFBP, INSULIN, PROTEIN BINDING-HORMONE-GROWTH FACTOR COMPLEX EXPDTA X-RAY DIFFRACTION AUTHOR T.SITAR,G.M.POPOWICZ,I.SIWANOWICZ,R.HUBER,T.A.HOLAK REVDAT 4 25-OCT-23 2DSP 1 REMARK REVDAT 3 24-FEB-09 2DSP 1 VERSN REVDAT 2 12-SEP-06 2DSP 1 JRNL REVDAT 1 22-AUG-06 2DSP 0 JRNL AUTH T.SITAR,G.M.POPOWICZ,I.SIWANOWICZ,R.HUBER,T.A.HOLAK JRNL TITL STRUCTURAL BASIS FOR THE INHIBITION OF INSULIN-LIKE GROWTH JRNL TITL 2 FACTORS BY INSULIN-LIKE GROWTH FACTOR-BINDING PROTEINS. JRNL REF PROC.NATL.ACAD.SCI.USA V. 103 13028 2006 JRNL REFN ISSN 0027-8424 JRNL PMID 16924115 JRNL DOI 10.1073/PNAS.0605652103 REMARK 2 REMARK 2 RESOLUTION. 2.50 ANGSTROMS. REMARK 3 REMARK 3 REFINEMENT. REMARK 3 PROGRAM : REFMAC 5.2.0005 REMARK 3 AUTHORS : MURSHUDOV,SKUBAK,LEBEDEV,PANNU,STEINER, REMARK 3 : NICHOLLS,WINN,LONG,VAGIN REMARK 3 REMARK 3 REFINEMENT TARGET : MAXIMUM LIKELIHOOD REMARK 3 REMARK 3 DATA USED IN REFINEMENT. REMARK 3 RESOLUTION RANGE HIGH (ANGSTROMS) : 2.50 REMARK 3 RESOLUTION RANGE LOW (ANGSTROMS) : 20.00 REMARK 3 DATA CUTOFF (SIGMA(F)) : 2.000 REMARK 3 COMPLETENESS FOR RANGE (%) : 100.0 REMARK 3 NUMBER OF REFLECTIONS : 5086 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 + TEST SET) : 0.223 REMARK 3 R VALUE (WORKING SET) : 0.220 REMARK 3 FREE R VALUE : 0.271 REMARK 3 FREE R VALUE TEST SET SIZE (%) : 4.600 REMARK 3 FREE R VALUE TEST SET COUNT : 243 REMARK 3 REMARK 3 FIT IN THE HIGHEST RESOLUTION BIN. REMARK 3 TOTAL NUMBER OF BINS USED : 20 REMARK 3 BIN RESOLUTION RANGE HIGH (A) : 2.50 REMARK 3 BIN RESOLUTION RANGE LOW (A) : 2.56 REMARK 3 REFLECTION IN BIN (WORKING SET) : 365 REMARK 3 BIN COMPLETENESS (WORKING+TEST) (%) : 100.0 REMARK 3 BIN R VALUE (WORKING SET) : 0.2240 REMARK 3 BIN FREE R VALUE SET COUNT : 14 REMARK 3 BIN FREE R VALUE : 0.4140 REMARK 3 REMARK 3 NUMBER OF NON-HYDROGEN ATOMS USED IN REFINEMENT. REMARK 3 PROTEIN ATOMS : 1067 REMARK 3 NUCLEIC ACID ATOMS : 0 REMARK 3 HETEROGEN ATOMS : 0 REMARK 3 SOLVENT ATOMS : 33 REMARK 3 REMARK 3 B VALUES. REMARK 3 FROM WILSON PLOT (A**2) : NULL REMARK 3 MEAN B VALUE (OVERALL, A**2) : 40.48 REMARK 3 OVERALL ANISOTROPIC B VALUE. REMARK 3 B11 (A**2) : 0.41000 REMARK 3 B22 (A**2) : -0.96000 REMARK 3 B33 (A**2) : 0.76000 REMARK 3 B12 (A**2) : 0.00000 REMARK 3 B13 (A**2) : 0.63000 REMARK 3 B23 (A**2) : 0.00000 REMARK 3 REMARK 3 ESTIMATED OVERALL COORDINATE ERROR. REMARK 3 ESU BASED ON R VALUE (A): 0.709 REMARK 3 ESU BASED ON FREE R VALUE (A): 0.320 REMARK 3 ESU BASED ON MAXIMUM LIKELIHOOD (A): 0.230 REMARK 3 ESU FOR B VALUES BASED ON MAXIMUM LIKELIHOOD (A**2): 10.243 REMARK 3 REMARK 3 CORRELATION COEFFICIENTS. REMARK 3 CORRELATION COEFFICIENT FO-FC : 0.919 REMARK 3 CORRELATION COEFFICIENT FO-FC FREE : 0.860 REMARK 3 REMARK 3 RMS DEVIATIONS FROM IDEAL VALUES COUNT RMS WEIGHT REMARK 3 BOND LENGTHS REFINED ATOMS (A): 1095 ; 0.011 ; 0.022 REMARK 3 BOND LENGTHS OTHERS (A): NULL ; NULL ; NULL REMARK 3 BOND ANGLES REFINED ATOMS (DEGREES): 1483 ; 1.370 ; 2.007 REMARK 3 BOND ANGLES OTHERS (DEGREES): NULL ; NULL ; NULL REMARK 3 TORSION ANGLES, PERIOD 1 (DEGREES): 144 ; 6.641 ; 5.000 REMARK 3 TORSION ANGLES, PERIOD 2 (DEGREES): 38 ;34.775 ;23.421 REMARK 3 TORSION ANGLES, PERIOD 3 (DEGREES): 167 ;19.028 ;15.000 REMARK 3 TORSION ANGLES, PERIOD 4 (DEGREES): 7 ;14.219 ;15.000 REMARK 3 CHIRAL-CENTER RESTRAINTS (A**3): 161 ; 0.090 ; 0.200 REMARK 3 GENERAL PLANES REFINED ATOMS (A): 820 ; 0.004 ; 0.020 REMARK 3 GENERAL PLANES OTHERS (A): NULL ; NULL ; NULL REMARK 3 NON-BONDED CONTACTS REFINED ATOMS (A): 456 ; 0.205 ; 0.200 REMARK 3 NON-BONDED CONTACTS OTHERS (A): NULL ; NULL ; NULL REMARK 3 NON-BONDED TORSION REFINED ATOMS (A): 719 ; 0.297 ; 0.200 REMARK 3 NON-BONDED TORSION OTHERS (A): NULL ; NULL ; NULL REMARK 3 H-BOND (X...Y) REFINED ATOMS (A): 36 ; 0.166 ; 0.200 REMARK 3 H-BOND (X...Y) OTHERS (A): NULL ; NULL ; NULL REMARK 3 POTENTIAL METAL-ION REFINED ATOMS (A): NULL ; NULL ; NULL REMARK 3 POTENTIAL METAL-ION OTHERS (A): NULL ; NULL ; NULL REMARK 3 SYMMETRY VDW REFINED ATOMS (A): 34 ; 0.192 ; 0.200 REMARK 3 SYMMETRY VDW OTHERS (A): NULL ; NULL ; NULL REMARK 3 SYMMETRY H-BOND REFINED ATOMS (A): 3 ; 0.103 ; 0.200 REMARK 3 SYMMETRY H-BOND OTHERS (A): NULL ; NULL ; NULL REMARK 3 SYMMETRY METAL-ION REFINED ATOMS (A): NULL ; NULL ; NULL REMARK 3 SYMMETRY METAL-ION OTHERS (A): NULL ; NULL ; NULL REMARK 3 REMARK 3 ISOTROPIC THERMAL FACTOR RESTRAINTS. COUNT RMS WEIGHT REMARK 3 MAIN-CHAIN BOND REFINED ATOMS (A**2): 757 ; 0.629 ; 1.500 REMARK 3 MAIN-CHAIN BOND OTHER ATOMS (A**2): NULL ; NULL ; NULL REMARK 3 MAIN-CHAIN ANGLE REFINED ATOMS (A**2): 1165 ; 1.019 ; 2.000 REMARK 3 MAIN-CHAIN ANGLE OTHER ATOMS (A**2): NULL ; NULL ; NULL REMARK 3 SIDE-CHAIN BOND REFINED ATOMS (A**2): 379 ; 1.265 ; 3.000 REMARK 3 SIDE-CHAIN BOND OTHER ATOMS (A**2): NULL ; NULL ; NULL REMARK 3 SIDE-CHAIN ANGLE REFINED ATOMS (A**2): 318 ; 2.075 ; 4.500 REMARK 3 SIDE-CHAIN ANGLE OTHER ATOMS (A**2): NULL ; NULL ; NULL REMARK 3 LONG RANGE B REFINED ATOMS (A**2): NULL ; NULL ; NULL REMARK 3 LONG RANGE B OTHER ATOMS (A**2): NULL ; NULL ; NULL REMARK 3 REMARK 3 ANISOTROPIC THERMAL FACTOR RESTRAINTS. COUNT RMS WEIGHT REMARK 3 RIGID-BOND RESTRAINTS (A**2): NULL ; NULL ; NULL REMARK 3 SPHERICITY; FREE ATOMS (A**2): NULL ; NULL ; NULL REMARK 3 SPHERICITY; BONDED ATOMS (A**2): NULL ; NULL ; NULL REMARK 3 REMARK 3 NCS RESTRAINTS STATISTICS REMARK 3 NUMBER OF DIFFERENT NCS GROUPS : NULL REMARK 3 REMARK 3 TLS DETAILS REMARK 3 NUMBER OF TLS GROUPS : NULL REMARK 3 REMARK 3 BULK SOLVENT MODELLING. REMARK 3 METHOD USED : BABINET MODEL WITH MASK REMARK 3 PARAMETERS FOR MASK CALCULATION REMARK 3 VDW PROBE RADIUS : 1.20 REMARK 3 ION PROBE RADIUS : 0.80 REMARK 3 SHRINKAGE RADIUS : 0.80 REMARK 3 REMARK 3 OTHER REFINEMENT REMARKS: HYDROGENS HAVE BEEN ADDED IN THE RIDING REMARK 3 POSITIONS REMARK 4 REMARK 4 2DSP COMPLIES WITH FORMAT V. 3.30, 13-JUL-11 REMARK 100 REMARK 100 THIS ENTRY HAS BEEN PROCESSED BY PDBJ ON 06-JUL-06. REMARK 100 THE DEPOSITION ID IS D_1000025798. REMARK 200 REMARK 200 EXPERIMENTAL DETAILS REMARK 200 EXPERIMENT TYPE : X-RAY DIFFRACTION REMARK 200 DATE OF DATA COLLECTION : 08-AUG-04 REMARK 200 TEMPERATURE (KELVIN) : 100 REMARK 200 PH : 7 REMARK 200 NUMBER OF CRYSTALS USED : 1 REMARK 200 REMARK 200 SYNCHROTRON (Y/N) : N REMARK 200 RADIATION SOURCE : ROTATING ANODE REMARK 200 BEAMLINE : NULL REMARK 200 X-RAY GENERATOR MODEL : RIGAKU RU200 REMARK 200 MONOCHROMATIC OR LAUE (M/L) : M REMARK 200 WAVELENGTH OR RANGE (A) : 1.5418 REMARK 200 MONOCHROMATOR : GRAPHITE REMARK 200 OPTICS : MONOCHROMATOR REMARK 200 REMARK 200 DETECTOR TYPE : IMAGE PLATE REMARK 200 DETECTOR MANUFACTURER : MAR SCANNER 345 MM PLATE REMARK 200 INTENSITY-INTEGRATION SOFTWARE : XDS REMARK 200 DATA SCALING SOFTWARE : XSCALE REMARK 200 REMARK 200 NUMBER OF UNIQUE REFLECTIONS : 5177 REMARK 200 RESOLUTION RANGE HIGH (A) : 2.500 REMARK 200 RESOLUTION RANGE LOW (A) : 30.000 REMARK 200 REJECTION CRITERIA (SIGMA(I)) : 2.000 REMARK 200 REMARK 200 OVERALL. REMARK 200 COMPLETENESS FOR RANGE (%) : 96.0 REMARK 200 DATA REDUNDANCY : NULL REMARK 200 R MERGE (I) : NULL 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) : 2.50 REMARK 200 HIGHEST RESOLUTION SHELL, RANGE LOW (A) : 2.60 REMARK 200 COMPLETENESS FOR SHELL (%) : 87.0 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: MOLREP REMARK 200 STARTING MODEL: 1WQJ REMARK 200 REMARK 200 REMARK: NULL REMARK 280 REMARK 280 CRYSTAL REMARK 280 SOLVENT CONTENT, VS (%): 43.46 REMARK 280 MATTHEWS COEFFICIENT, VM (ANGSTROMS**3/DA): 2.18 REMARK 280 REMARK 280 CRYSTALLIZATION CONDITIONS: 23% PEG 1500, 25MM TRIS PH 7, VAPOR REMARK 280 DIFFUSION, SITTING DROP, TEMPERATURE 290K 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 19.49500 REMARK 290 SMTRY3 2 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: 2030 ANGSTROM**2 REMARK 350 SURFACE AREA OF THE COMPLEX: 8890 ANGSTROM**2 REMARK 350 CHANGE IN SOLVENT FREE ENERGY: -11.0 KCAL/MOL REMARK 350 APPLY THE FOLLOWING TO CHAINS: B, I 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 ARG B 63 REMARK 465 GLY I 1 REMARK 465 GLY I 30 REMARK 465 TYR I 31 REMARK 465 GLY I 32 REMARK 465 SER I 33 REMARK 465 SER I 34 REMARK 465 SER I 35 REMARK 465 ARG I 36 REMARK 465 ARG I 37 REMARK 465 ALA I 38 REMARK 465 PRO I 39 REMARK 465 SER I 69 REMARK 465 ALA I 70 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 11 CB CG CD OE1 OE2 REMARK 470 GLU B 12 CG CD OE1 OE2 REMARK 470 LYS B 13 CG CD CE NZ REMARK 470 ARG B 16 CB CG CD NE CZ NH1 NH2 REMARK 470 THR B 37 CG2 REMARK 470 LEU B 42 CD1 REMARK 470 GLU B 66 CG CD OE1 OE2 REMARK 470 HIS B 70 CD2 REMARK 470 GLN B 76 CD OE1 REMARK 470 MET B 80 CE REMARK 470 GLU B 81 CD OE1 OE2 REMARK 470 LEU B 82 CD2 REMARK 470 ARG I 50 CG CD NE CZ NH1 NH2 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 ALA B 3 106.86 175.67 REMARK 500 ARG I 50 -90.24 -96.64 REMARK 500 REMARK 500 REMARK: NULL REMARK 900 REMARK 900 RELATED ENTRIES REMARK 900 RELATED ID: 1WQJ RELATED DB: PDB REMARK 900 INSULIN-LIKE GROWTH FACTOR AND IGFBP-4 BINARY COMPLEX (3-82) REMARK 900 RELATED ID: 2DSQ RELATED DB: PDB REMARK 900 INSULIN-LIKE GROWTH FACTOR, IGFBP-4 (1-92), IGFBP-1 (141-234) REMARK 900 TERNARY COMPLEX REMARK 900 RELATED ID: 2DSR RELATED DB: PDB REMARK 900 INSULIN-LIKE GROWTH FACTOR AND IGFBP-4 BINARY COMPLEX (1-92) DBREF 2DSP B 1 92 UNP P22692 IBP4_HUMAN 22 113 DBREF 2DSP I 1 70 UNP P05019 IGF1B_HUMAN 49 118 SEQRES 1 B 92 ASP GLU ALA ILE HIS CYS PRO PRO CYS SER GLU GLU LYS SEQRES 2 B 92 LEU ALA ARG CYS ARG PRO PRO VAL GLY CYS GLU GLU LEU SEQRES 3 B 92 VAL ARG GLU PRO GLY CYS GLY CYS CYS ALA THR CYS ALA SEQRES 4 B 92 LEU GLY LEU GLY MET PRO CYS GLY VAL TYR THR PRO ARG SEQRES 5 B 92 CYS GLY SER GLY LEU ARG CYS TYR PRO PRO ARG GLY VAL SEQRES 6 B 92 GLU LYS PRO LEU HIS THR LEU MET HIS GLY GLN GLY VAL SEQRES 7 B 92 CYS MET GLU LEU ALA GLU ILE GLU ALA ILE GLN GLU SER SEQRES 8 B 92 LEU SEQRES 1 I 70 GLY PRO GLU THR LEU CYS GLY ALA GLU LEU VAL ASP ALA SEQRES 2 I 70 LEU GLN PHE VAL CYS GLY ASP ARG GLY PHE TYR PHE ASN SEQRES 3 I 70 LYS PRO THR GLY TYR GLY SER SER SER ARG ARG ALA PRO SEQRES 4 I 70 GLN THR GLY ILE VAL ASP GLU CYS CYS PHE ARG SER CYS SEQRES 5 I 70 ASP LEU ARG ARG LEU GLU MET TYR CYS ALA PRO LEU LYS SEQRES 6 I 70 PRO ALA LYS SER ALA FORMUL 3 HOH *33(H2 O) HELIX 1 1 SER B 10 CYS B 17 1 8 HELIX 2 2 LYS B 67 HIS B 74 1 8 HELIX 3 3 GLU B 81 GLU B 90 1 10 HELIX 4 4 CYS I 6 GLY I 19 1 14 HELIX 5 5 ASP I 20 GLY I 22 5 3 HELIX 6 6 ILE I 43 CYS I 48 1 6 HELIX 7 7 ASP I 53 TYR I 60 1 8 SHEET 1 A 2 LEU B 26 ARG B 28 0 SHEET 2 A 2 ALA B 36 CYS B 38 -1 O THR B 37 N VAL B 27 SHEET 1 B 3 PRO B 45 CYS B 46 0 SHEET 2 B 3 GLY B 77 MET B 80 -1 O GLY B 77 N CYS B 46 SHEET 3 B 3 ARG B 58 TYR B 60 -1 N ARG B 58 O MET B 80 SHEET 1 C 2 ASN I 26 LYS I 27 0 SHEET 2 C 2 THR I 41 GLY I 42 -1 O THR I 41 N LYS I 27 SSBOND 1 CYS B 6 CYS B 32 1555 1555 2.04 SSBOND 2 CYS B 9 CYS B 34 1555 1555 2.04 SSBOND 3 CYS B 17 CYS B 35 1555 1555 2.03 SSBOND 4 CYS B 23 CYS B 38 1555 1555 2.04 SSBOND 5 CYS B 46 CYS B 59 1555 1555 2.05 SSBOND 6 CYS B 53 CYS B 79 1555 1555 2.04 SSBOND 7 CYS I 6 CYS I 48 1555 1555 2.06 SSBOND 8 CYS I 18 CYS I 61 1555 1555 2.05 SSBOND 9 CYS I 47 CYS I 52 1555 1555 2.03 CISPEP 1 ASP B 1 GLU B 2 0 2.01 CISPEP 2 GLU B 2 ALA B 3 0 -17.26 CRYST1 32.330 38.990 61.330 90.00 99.89 90.00 P 1 21 1 2 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 0.030931 0.000000 0.005391 0.00000 SCALE2 0.000000 0.025648 0.000000 0.00000 SCALE3 0.000000 0.000000 0.016551 0.00000