HEADER HYDROLASE 01-OCT-08 3ERB TITLE THE CRYSTAL STRUCTURE OF C2B, A FRAGMENT OF COMPLEMENT COMPONENT C2 TITLE 2 PRODUCED DURING C3-CONVERTASE FORMATION COMPND MOL_ID: 1; COMPND 2 MOLECULE: COMPLEMENT C2; COMPND 3 CHAIN: A; COMPND 4 FRAGMENT: COMPLEMENT C2B FRAGMENT, N-TERMINAL FRAGMENT; COMPND 5 SYNONYM: C3/C5 CONVERTASE, COMPLEMENT C2B FRAGMENT; COMPND 6 EC: 3.4.21.43; COMPND 7 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: TRICHOPLUSIA NI; SOURCE 6 EXPRESSION_SYSTEM_COMMON: CABBAGE LOOPER; SOURCE 7 EXPRESSION_SYSTEM_TAXID: 7111; SOURCE 8 EXPRESSION_SYSTEM_CELL_LINE: HIGH FIVE(BTI-TN-5B1-4); SOURCE 9 EXPRESSION_SYSTEM_VECTOR_TYPE: BACULOVIRUS KEYWDS COMPLEMENT COMPONENT C2B, C3/C5 CONVERTASE, COMPLEMENT CONTROL KEYWDS 2 PROTEIN (CCP), SHORT CONSENSUS REPEAT(SCR), SUSHI DOMAIN, HUMAN KEYWDS 3 COMPLEMENT SYSTEM, COMPLEMENT SECOND COMPONENT C2, COMPLEMENT KEYWDS 4 PATHWAY, DISEASE MUTATION, GLYCOPROTEIN, HYDROLASE, IMMUNE RESPONSE, KEYWDS 5 INNATE IMMUNITY, POLYMORPHISM, PROTEASE, SECRETED, SERINE PROTEASE, KEYWDS 6 SUSHI EXPDTA X-RAY DIFFRACTION AUTHOR S.V.L.NARAYAN,V.KRISHNAN REVDAT 2 01-NOV-23 3ERB 1 REMARK REVDAT 1 10-MAR-09 3ERB 0 JRNL AUTH V.KRISHNAN,Y.XU,K.MACON,J.E.VOLANAKIS,S.V.NARAYANA JRNL TITL THE STRUCTURE OF C2B, A FRAGMENT OF COMPLEMENT COMPONENT C2 JRNL TITL 2 PRODUCED DURING C3 CONVERTASE FORMATION JRNL REF ACTA CRYSTALLOGR.,SECT.D V. 65 266 2009 JRNL REFN ISSN 0907-4449 JRNL PMID 19237749 JRNL DOI 10.1107/S0907444909000389 REMARK 2 REMARK 2 RESOLUTION. 1.80 ANGSTROMS. REMARK 3 REMARK 3 REFINEMENT. REMARK 3 PROGRAM : REFMAC 5.2.0019 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) : 1.80 REMARK 3 RESOLUTION RANGE LOW (ANGSTROMS) : 21.52 REMARK 3 DATA CUTOFF (SIGMA(F)) : NULL REMARK 3 COMPLETENESS FOR RANGE (%) : 99.9 REMARK 3 NUMBER OF REFLECTIONS : 21882 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) : 0.216 REMARK 3 R VALUE (WORKING SET) : 0.214 REMARK 3 FREE R VALUE : 0.240 REMARK 3 FREE R VALUE TEST SET SIZE (%) : 5.100 REMARK 3 FREE R VALUE TEST SET COUNT : 1182 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) : 1.80 REMARK 3 BIN RESOLUTION RANGE LOW (A) : 1.85 REMARK 3 REFLECTION IN BIN (WORKING SET) : 1627 REMARK 3 BIN COMPLETENESS (WORKING+TEST) (%) : 99.94 REMARK 3 BIN R VALUE (WORKING SET) : 0.3210 REMARK 3 BIN FREE R VALUE SET COUNT : 98 REMARK 3 BIN FREE R VALUE : 0.3930 REMARK 3 REMARK 3 NUMBER OF NON-HYDROGEN ATOMS USED IN REFINEMENT. REMARK 3 PROTEIN ATOMS : 1410 REMARK 3 NUCLEIC ACID ATOMS : 0 REMARK 3 HETEROGEN ATOMS : 0 REMARK 3 SOLVENT ATOMS : 197 REMARK 3 REMARK 3 B VALUES. REMARK 3 FROM WILSON PLOT (A**2) : NULL REMARK 3 MEAN B VALUE (OVERALL, A**2) : 23.26 REMARK 3 OVERALL ANISOTROPIC B VALUE. REMARK 3 B11 (A**2) : 0.22000 REMARK 3 B22 (A**2) : 0.22000 REMARK 3 B33 (A**2) : -0.33000 REMARK 3 B12 (A**2) : 0.11000 REMARK 3 B13 (A**2) : 0.00000 REMARK 3 B23 (A**2) : 0.00000 REMARK 3 REMARK 3 ESTIMATED OVERALL COORDINATE ERROR. REMARK 3 ESU BASED ON R VALUE (A): 0.127 REMARK 3 ESU BASED ON FREE R VALUE (A): 0.119 REMARK 3 ESU BASED ON MAXIMUM LIKELIHOOD (A): 0.079 REMARK 3 ESU FOR B VALUES BASED ON MAXIMUM LIKELIHOOD (A**2): 2.490 REMARK 3 REMARK 3 CORRELATION COEFFICIENTS. REMARK 3 CORRELATION COEFFICIENT FO-FC : 0.943 REMARK 3 CORRELATION COEFFICIENT FO-FC FREE : 0.930 REMARK 3 REMARK 3 RMS DEVIATIONS FROM IDEAL VALUES COUNT RMS WEIGHT REMARK 3 BOND LENGTHS REFINED ATOMS (A): 1463 ; 0.011 ; 0.021 REMARK 3 BOND LENGTHS OTHERS (A): NULL ; NULL ; NULL REMARK 3 BOND ANGLES REFINED ATOMS (DEGREES): 1996 ; 1.243 ; 1.951 REMARK 3 BOND ANGLES OTHERS (DEGREES): NULL ; NULL ; NULL REMARK 3 TORSION ANGLES, PERIOD 1 (DEGREES): 188 ; 6.300 ; 5.000 REMARK 3 TORSION ANGLES, PERIOD 2 (DEGREES): 64 ;30.163 ;22.969 REMARK 3 TORSION ANGLES, PERIOD 3 (DEGREES): 206 ;12.198 ;15.000 REMARK 3 TORSION ANGLES, PERIOD 4 (DEGREES): 12 ;16.708 ;15.000 REMARK 3 CHIRAL-CENTER RESTRAINTS (A**3): 201 ; 0.084 ; 0.200 REMARK 3 GENERAL PLANES REFINED ATOMS (A): 1167 ; 0.005 ; 0.020 REMARK 3 GENERAL PLANES OTHERS (A): NULL ; NULL ; NULL REMARK 3 NON-BONDED CONTACTS REFINED ATOMS (A): 666 ; 0.203 ; 0.200 REMARK 3 NON-BONDED CONTACTS OTHERS (A): NULL ; NULL ; NULL REMARK 3 NON-BONDED TORSION REFINED ATOMS (A): 969 ; 0.301 ; 0.200 REMARK 3 NON-BONDED TORSION OTHERS (A): NULL ; NULL ; NULL REMARK 3 H-BOND (X...Y) REFINED ATOMS (A): 137 ; 0.128 ; 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): 31 ; 0.157 ; 0.200 REMARK 3 SYMMETRY VDW OTHERS (A): NULL ; NULL ; NULL REMARK 3 SYMMETRY H-BOND REFINED ATOMS (A): 17 ; 0.146 ; 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): 963 ; 0.813 ; 1.500 REMARK 3 MAIN-CHAIN BOND OTHER ATOMS (A**2): NULL ; NULL ; NULL REMARK 3 MAIN-CHAIN ANGLE REFINED ATOMS (A**2): 1502 ; 1.157 ; 2.000 REMARK 3 MAIN-CHAIN ANGLE OTHER ATOMS (A**2): NULL ; NULL ; NULL REMARK 3 SIDE-CHAIN BOND REFINED ATOMS (A**2): 585 ; 2.070 ; 3.000 REMARK 3 SIDE-CHAIN BOND OTHER ATOMS (A**2): NULL ; NULL ; NULL REMARK 3 SIDE-CHAIN ANGLE REFINED ATOMS (A**2): 493 ; 3.341 ; 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 : MASK REMARK 3 PARAMETERS FOR MASK CALCULATION REMARK 3 VDW PROBE RADIUS : 1.40 REMARK 3 ION PROBE RADIUS : 0.80 REMARK 3 SHRINKAGE RADIUS : 0.80 REMARK 3 REMARK 3 OTHER REFINEMENT REMARKS: NULL REMARK 4 REMARK 4 3ERB COMPLIES WITH FORMAT V. 3.30, 13-JUL-11 REMARK 100 REMARK 100 THIS ENTRY HAS BEEN PROCESSED BY PDBJ ON 06-OCT-08. REMARK 100 THE DEPOSITION ID IS D_1000049672. REMARK 200 REMARK 200 EXPERIMENTAL DETAILS REMARK 200 EXPERIMENT TYPE : X-RAY DIFFRACTION REMARK 200 DATE OF DATA COLLECTION : 06-DEC-06 REMARK 200 TEMPERATURE (KELVIN) : 100 REMARK 200 PH : NULL 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 REMARK 200 MONOCHROMATIC OR LAUE (M/L) : M REMARK 200 WAVELENGTH OR RANGE (A) : 1.5418 REMARK 200 MONOCHROMATOR : NULL REMARK 200 OPTICS : NULL REMARK 200 REMARK 200 DETECTOR TYPE : IMAGE PLATE REMARK 200 DETECTOR MANUFACTURER : RIGAKU RAXIS IV REMARK 200 INTENSITY-INTEGRATION SOFTWARE : D*TREK REMARK 200 DATA SCALING SOFTWARE : D*TREK REMARK 200 REMARK 200 NUMBER OF UNIQUE REFLECTIONS : 23095 REMARK 200 RESOLUTION RANGE HIGH (A) : 1.800 REMARK 200 RESOLUTION RANGE LOW (A) : 40.000 REMARK 200 REJECTION CRITERIA (SIGMA(I)) : NULL REMARK 200 REMARK 200 OVERALL. REMARK 200 COMPLETENESS FOR RANGE (%) : 100.0 REMARK 200 DATA REDUNDANCY : 4.360 REMARK 200 R MERGE (I) : 0.03300 REMARK 200 R SYM (I) : NULL REMARK 200 FOR THE DATA SET : 21.0000 REMARK 200 REMARK 200 IN THE HIGHEST RESOLUTION SHELL. REMARK 200 HIGHEST RESOLUTION SHELL, RANGE HIGH (A) : 1.80 REMARK 200 HIGHEST RESOLUTION SHELL, RANGE LOW (A) : 1.86 REMARK 200 COMPLETENESS FOR SHELL (%) : 100.0 REMARK 200 DATA REDUNDANCY IN SHELL : 4.15 REMARK 200 R MERGE FOR SHELL (I) : 0.23700 REMARK 200 R SYM FOR SHELL (I) : NULL REMARK 200 FOR SHELL : 5.100 REMARK 200 REMARK 200 DIFFRACTION PROTOCOL: SINGLE WAVELENGTH REMARK 200 METHOD USED TO DETERMINE THE STRUCTURE: MOLECULAR REPLACEMENT REMARK 200 SOFTWARE USED: CNS REMARK 200 STARTING MODEL: PDB ENTRY 2OK5 REMARK 200 REMARK 200 REMARK: NULL REMARK 280 REMARK 280 CRYSTAL REMARK 280 SOLVENT CONTENT, VS (%): 54.60 REMARK 280 MATTHEWS COEFFICIENT, VM (ANGSTROMS**3/DA): 2.71 REMARK 280 REMARK 280 CRYSTALLIZATION CONDITIONS: 18% PEG 3350, 0.22M SODIUM CHLORIDE, REMARK 280 0.02M BETAINE HYDROCHLORIDE, VAPOR DIFFUSION, HANGING DROP, REMARK 280 TEMPERATURE 277K REMARK 290 REMARK 290 CRYSTALLOGRAPHIC SYMMETRY REMARK 290 SYMMETRY OPERATORS FOR SPACE GROUP: P 31 REMARK 290 REMARK 290 SYMOP SYMMETRY REMARK 290 NNNMMM OPERATOR REMARK 290 1555 X,Y,Z REMARK 290 2555 -Y,X-Y,Z+1/3 REMARK 290 3555 -X+Y,-X,Z+2/3 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 -0.500000 -0.866025 0.000000 0.00000 REMARK 290 SMTRY2 2 0.866025 -0.500000 0.000000 0.00000 REMARK 290 SMTRY3 2 0.000000 0.000000 1.000000 20.56233 REMARK 290 SMTRY1 3 -0.500000 0.866025 0.000000 0.00000 REMARK 290 SMTRY2 3 -0.866025 -0.500000 0.000000 0.00000 REMARK 290 SMTRY3 3 0.000000 0.000000 1.000000 41.12467 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: MONOMERIC REMARK 350 SOFTWARE DETERMINED QUATERNARY STRUCTURE: MONOMERIC REMARK 350 SOFTWARE USED: PISA 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 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 PRO A 2 REMARK 465 GLY A 54 REMARK 465 ALA A 55 REMARK 465 THR A 56 REMARK 465 ARG A 57 REMARK 465 SER A 58 REMARK 465 LEU A 59 REMARK 465 SER A 60 REMARK 465 PRO A 198 REMARK 465 ALA A 199 REMARK 465 LEU A 200 REMARK 465 GLY A 201 REMARK 465 THR A 202 REMARK 465 SER A 203 REMARK 465 PHE A 204 REMARK 465 SER A 205 REMARK 465 HIS A 206 REMARK 465 MET A 207 REMARK 465 LEU A 208 REMARK 465 GLY A 209 REMARK 465 ALA A 210 REMARK 465 THR A 211 REMARK 465 ASN A 212 REMARK 465 PRO A 213 REMARK 465 THR A 214 REMARK 465 GLN A 215 REMARK 465 LYS A 216 REMARK 465 THR A 217 REMARK 465 LYS A 218 REMARK 465 GLU A 219 REMARK 465 SER A 220 REMARK 465 LEU A 221 REMARK 465 GLY A 222 REMARK 465 ARG A 223 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 159 -132.01 51.84 REMARK 500 REMARK 500 REMARK: NULL REMARK 900 REMARK 900 RELATED ENTRIES REMARK 900 RELATED ID: 2ODP RELATED DB: PDB REMARK 900 COMPLEMENT COMPONENT C2A, THE CATALYTIC FRAGMENT OF C3- AND C5- REMARK 900 CONVERTASE REMARK 900 RELATED ID: 2ODQ RELATED DB: PDB REMARK 900 COMPLEMENT COMPONENT C2A, THE CATALYTIC FRAGMENT OF C3- AND C5- REMARK 900 CONVERTASE DBREF 3ERB A 1 223 UNP P06681 CO2_HUMAN 21 243 SEQRES 1 A 223 ALA PRO SER CYS PRO GLN ASN VAL ASN ILE SER GLY GLY SEQRES 2 A 223 THR PHE THR LEU SER HIS GLY TRP ALA PRO GLY SER LEU SEQRES 3 A 223 LEU THR TYR SER CYS PRO GLN GLY LEU TYR PRO SER PRO SEQRES 4 A 223 ALA SER ARG LEU CYS LYS SER SER GLY GLN TRP GLN THR SEQRES 5 A 223 PRO GLY ALA THR ARG SER LEU SER LYS ALA VAL CYS LYS SEQRES 6 A 223 PRO VAL ARG CYS PRO ALA PRO VAL SER PHE GLU ASN GLY SEQRES 7 A 223 ILE TYR THR PRO ARG LEU GLY SER TYR PRO VAL GLY GLY SEQRES 8 A 223 ASN VAL SER PHE GLU CYS GLU ASP GLY PHE ILE LEU ARG SEQRES 9 A 223 GLY SER PRO VAL ARG GLN CYS ARG PRO ASN GLY MET TRP SEQRES 10 A 223 ASP GLY GLU THR ALA VAL CYS ASP ASN GLY ALA GLY HIS SEQRES 11 A 223 CYS PRO ASN PRO GLY ILE SER LEU GLY ALA VAL ARG THR SEQRES 12 A 223 GLY PHE ARG PHE GLY HIS GLY ASP LYS VAL ARG TYR ARG SEQRES 13 A 223 CYS SER SER ASN LEU VAL LEU THR GLY SER SER GLU ARG SEQRES 14 A 223 GLU CYS GLN GLY ASN GLY VAL TRP SER GLY THR GLU PRO SEQRES 15 A 223 ILE CYS ARG GLN PRO TYR SER TYR ASP PHE PRO GLU ASP SEQRES 16 A 223 VAL ALA PRO ALA LEU GLY THR SER PHE SER HIS MET LEU SEQRES 17 A 223 GLY ALA THR ASN PRO THR GLN LYS THR LYS GLU SER LEU SEQRES 18 A 223 GLY ARG FORMUL 2 HOH *197(H2 O) HELIX 1 1 GLN A 186 PHE A 192 5 7 SHEET 1 A 4 THR A 14 LEU A 17 0 SHEET 2 A 4 LEU A 26 SER A 30 -1 O SER A 30 N THR A 14 SHEET 3 A 4 SER A 41 CYS A 44 -1 O ARG A 42 N LEU A 27 SHEET 4 A 4 TRP A 50 GLN A 51 -1 O GLN A 51 N LEU A 43 SHEET 1 B 2 LEU A 35 SER A 38 0 SHEET 2 B 2 VAL A 63 PRO A 66 -1 O VAL A 63 N SER A 38 SHEET 1 C 2 ARG A 68 PRO A 70 0 SHEET 2 C 2 SER A 86 PRO A 88 -1 O TYR A 87 N CYS A 69 SHEET 1 D 3 GLY A 78 THR A 81 0 SHEET 2 D 3 ASN A 92 CYS A 97 -1 O SER A 94 N THR A 81 SHEET 3 D 3 VAL A 108 GLN A 110 -1 O ARG A 109 N VAL A 93 SHEET 1 E 2 ILE A 102 ARG A 104 0 SHEET 2 E 2 VAL A 123 ASP A 125 -1 O VAL A 123 N ARG A 104 SHEET 1 F 3 ALA A 140 THR A 143 0 SHEET 2 F 3 LYS A 152 CYS A 157 -1 O ARG A 154 N THR A 143 SHEET 3 F 3 GLU A 168 GLU A 170 -1 O ARG A 169 N VAL A 153 SHEET 1 G 2 VAL A 162 THR A 164 0 SHEET 2 G 2 ILE A 183 ARG A 185 -1 O ARG A 185 N VAL A 162 SSBOND 1 CYS A 4 CYS A 44 1555 1555 2.04 SSBOND 2 CYS A 31 CYS A 64 1555 1555 2.04 SSBOND 3 CYS A 69 CYS A 111 1555 1555 2.03 SSBOND 4 CYS A 97 CYS A 124 1555 1555 2.05 SSBOND 5 CYS A 131 CYS A 171 1555 1555 2.03 SSBOND 6 CYS A 157 CYS A 184 1555 1555 2.03 CISPEP 1 SER A 38 PRO A 39 0 -5.44 CISPEP 2 THR A 81 PRO A 82 0 -3.27 CRYST1 60.060 60.060 61.687 90.00 90.00 120.00 P 31 3 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 0.016650 0.009613 0.000000 0.00000 SCALE2 0.000000 0.019226 0.000000 0.00000 SCALE3 0.000000 0.000000 0.016211 0.00000