HEADER IMMUNE SYSTEM 22-APR-08 2JJU TITLE STRUCTURE OF HUMAN SIGNAL REGULATORY PROTEIN (SIRP) BETA COMPND MOL_ID: 1; COMPND 2 MOLECULE: SIGNAL REGULATORY PROTEIN BETA-1; COMPND 3 CHAIN: A, B; COMPND 4 FRAGMENT: N-TERMINAL ECTODOMAIN, RESIDUES 30-148; COMPND 5 SYNONYM: SIRP-BETA-1, CD172B ANTIGEN, SIRP BETA; COMPND 6 ENGINEERED: YES; COMPND 7 OTHER_DETAILS: 2 ISOFORMS PRODUCED BY ALTERNATIVE SPLICING. IN THIS COMPND 8 ENTRY ISOFORM 1 (O00241-1) IS PRESENT SOURCE MOL_ID: 1; SOURCE 2 ORGANISM_SCIENTIFIC: HOMO SAPIENS; SOURCE 3 ORGANISM_COMMON: HUMAN; SOURCE 4 ORGANISM_TAXID: 9606; SOURCE 5 EXPRESSION_SYSTEM: CRICETULUS GRISEUS; SOURCE 6 EXPRESSION_SYSTEM_TAXID: 10029; SOURCE 7 EXPRESSION_SYSTEM_VARIANT: LEC3.2.8.1; SOURCE 8 EXPRESSION_SYSTEM_CELL_LINE: CHO; SOURCE 9 EXPRESSION_SYSTEM_VECTOR_TYPE: PLASMID; SOURCE 10 EXPRESSION_SYSTEM_PLASMID: PEE14 KEYWDS IMMUNOGLOBULIN DOMAIN, IMMUNOGLOBULIN SUPERFAMILY, SIGNAL REGULATORY KEYWDS 2 PROTEIN BETA, IMMUNE SYSTEM, TRANSMEMBRANE, PAIRED RECEPTOR, KEYWDS 3 ALTERNATIVE SPLICING, SIRP, SIRPB1, MEMBRANE, POLYMORPHISM, KEYWDS 4 GLYCOPROTEIN EXPDTA X-RAY DIFFRACTION AUTHOR D.HATHERLEY,S.C.GRAHAM,J.TURNER,K.HARLOS,D.I.STUART,A.N.BARCLAY REVDAT 4 13-DEC-23 2JJU 1 REMARK REVDAT 3 03-APR-19 2JJU 1 SOURCE REVDAT 2 24-FEB-09 2JJU 1 VERSN REVDAT 1 05-AUG-08 2JJU 0 JRNL AUTH D.HATHERLEY,S.C.GRAHAM,J.TURNER,K.HARLOS,D.I.STUART, JRNL AUTH 2 A.N.BARCLAY JRNL TITL PAIRED RECEPTOR SPECIFICITY EXPLAINED BY STRUCTURES OF JRNL TITL 2 SIGNAL REGULATORY PROTEINS ALONE AND COMPLEXED WITH CD47. JRNL REF MOL.CELL V. 31 266 2008 JRNL REFN ISSN 1097-2765 JRNL PMID 18657508 JRNL DOI 10.1016/J.MOLCEL.2008.05.026 REMARK 2 REMARK 2 RESOLUTION. 1.19 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) : 1.19 REMARK 3 RESOLUTION RANGE LOW (ANGSTROMS) : 32.11 REMARK 3 DATA CUTOFF (SIGMA(F)) : NULL REMARK 3 COMPLETENESS FOR RANGE (%) : 99.9 REMARK 3 NUMBER OF REFLECTIONS : 72274 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) : 0.140 REMARK 3 R VALUE (WORKING SET) : 0.139 REMARK 3 FREE R VALUE : 0.157 REMARK 3 FREE R VALUE TEST SET SIZE (%) : 5.000 REMARK 3 FREE R VALUE TEST SET COUNT : 3809 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) : 1.19 REMARK 3 BIN RESOLUTION RANGE LOW (A) : 1.22 REMARK 3 REFLECTION IN BIN (WORKING SET) : 5238 REMARK 3 BIN COMPLETENESS (WORKING+TEST) (%) : NULL REMARK 3 BIN R VALUE (WORKING SET) : 0.1860 REMARK 3 BIN FREE R VALUE SET COUNT : 247 REMARK 3 BIN FREE R VALUE : 0.2150 REMARK 3 REMARK 3 NUMBER OF NON-HYDROGEN ATOMS USED IN REFINEMENT. REMARK 3 PROTEIN ATOMS : 1661 REMARK 3 NUCLEIC ACID ATOMS : 0 REMARK 3 HETEROGEN ATOMS : 7 REMARK 3 SOLVENT ATOMS : 343 REMARK 3 REMARK 3 B VALUES. REMARK 3 FROM WILSON PLOT (A**2) : 10.70 REMARK 3 MEAN B VALUE (OVERALL, A**2) : 11.37 REMARK 3 OVERALL ANISOTROPIC B VALUE. REMARK 3 B11 (A**2) : -0.51000 REMARK 3 B22 (A**2) : 0.01000 REMARK 3 B33 (A**2) : 0.48000 REMARK 3 B12 (A**2) : 0.00000 REMARK 3 B13 (A**2) : -0.18000 REMARK 3 B23 (A**2) : 0.00000 REMARK 3 REMARK 3 ESTIMATED OVERALL COORDINATE ERROR. REMARK 3 ESU BASED ON R VALUE (A): 0.033 REMARK 3 ESU BASED ON FREE R VALUE (A): 0.033 REMARK 3 ESU BASED ON MAXIMUM LIKELIHOOD (A): 0.020 REMARK 3 ESU FOR B VALUES BASED ON MAXIMUM LIKELIHOOD (A**2): 0.970 REMARK 3 REMARK 3 CORRELATION COEFFICIENTS. REMARK 3 CORRELATION COEFFICIENT FO-FC : 0.975 REMARK 3 CORRELATION COEFFICIENT FO-FC FREE : 0.971 REMARK 3 REMARK 3 RMS DEVIATIONS FROM IDEAL VALUES COUNT RMS WEIGHT REMARK 3 BOND LENGTHS REFINED ATOMS (A): 1801 ; 0.008 ; 0.022 REMARK 3 BOND LENGTHS OTHERS (A): 1266 ; 0.002 ; 0.020 REMARK 3 BOND ANGLES REFINED ATOMS (DEGREES): 2456 ; 1.263 ; 1.969 REMARK 3 BOND ANGLES OTHERS (DEGREES): 3096 ; 0.748 ; 3.003 REMARK 3 TORSION ANGLES, PERIOD 1 (DEGREES): 245 ; 6.253 ; 5.000 REMARK 3 TORSION ANGLES, PERIOD 2 (DEGREES): 75 ;31.001 ;23.333 REMARK 3 TORSION ANGLES, PERIOD 3 (DEGREES): 320 ;11.581 ;15.000 REMARK 3 TORSION ANGLES, PERIOD 4 (DEGREES): 15 ;14.157 ;15.000 REMARK 3 CHIRAL-CENTER RESTRAINTS (A**3): 278 ; 0.074 ; 0.200 REMARK 3 GENERAL PLANES REFINED ATOMS (A): 2020 ; 0.006 ; 0.020 REMARK 3 GENERAL PLANES OTHERS (A): 369 ; 0.001 ; 0.020 REMARK 3 NON-BONDED CONTACTS REFINED ATOMS (A): 249 ; 0.175 ; 0.200 REMARK 3 NON-BONDED CONTACTS OTHERS (A): 1320 ; 0.202 ; 0.200 REMARK 3 NON-BONDED TORSION REFINED ATOMS (A): 844 ; 0.175 ; 0.200 REMARK 3 NON-BONDED TORSION OTHERS (A): 1083 ; 0.083 ; 0.200 REMARK 3 H-BOND (X...Y) REFINED ATOMS (A): 199 ; 0.126 ; 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): 12 ; 0.215 ; 0.200 REMARK 3 SYMMETRY VDW OTHERS (A): 45 ; 0.268 ; 0.200 REMARK 3 SYMMETRY H-BOND REFINED ATOMS (A): 26 ; 0.123 ; 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): 1478 ; 2.887 ; 2.000 REMARK 3 MAIN-CHAIN BOND OTHER ATOMS (A**2): NULL ; NULL ; NULL REMARK 3 MAIN-CHAIN ANGLE REFINED ATOMS (A**2): 1843 ; 3.456 ; 3.000 REMARK 3 MAIN-CHAIN ANGLE OTHER ATOMS (A**2): NULL ; NULL ; NULL REMARK 3 SIDE-CHAIN BOND REFINED ATOMS (A**2): 771 ; 4.454 ; 4.000 REMARK 3 SIDE-CHAIN BOND OTHER ATOMS (A**2): NULL ; NULL ; NULL REMARK 3 SIDE-CHAIN ANGLE REFINED ATOMS (A**2): 598 ; 5.574 ; 6.000 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 : 1.20 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 2JJU COMPLIES WITH FORMAT V. 3.30, 13-JUL-11 REMARK 100 REMARK 100 THIS ENTRY HAS BEEN PROCESSED BY PDBE ON 22-APR-08. REMARK 100 THE DEPOSITION ID IS D_1290036010. REMARK 200 REMARK 200 EXPERIMENTAL DETAILS REMARK 200 EXPERIMENT TYPE : X-RAY DIFFRACTION REMARK 200 DATE OF DATA COLLECTION : 07-NOV-07 REMARK 200 TEMPERATURE (KELVIN) : 100 REMARK 200 PH : 7.0 REMARK 200 NUMBER OF CRYSTALS USED : 1 REMARK 200 REMARK 200 SYNCHROTRON (Y/N) : Y REMARK 200 RADIATION SOURCE : ESRF REMARK 200 BEAMLINE : BM14 REMARK 200 X-RAY GENERATOR MODEL : NULL REMARK 200 MONOCHROMATIC OR LAUE (M/L) : M REMARK 200 WAVELENGTH OR RANGE (A) : 0.958 REMARK 200 MONOCHROMATOR : SI(111) MONOCHROMATOR REMARK 200 OPTICS : MIRRORS REMARK 200 REMARK 200 DETECTOR TYPE : CCD REMARK 200 DETECTOR MANUFACTURER : MARRESEARCH REMARK 200 INTENSITY-INTEGRATION SOFTWARE : HKL-2000 REMARK 200 DATA SCALING SOFTWARE : HKL-2000 REMARK 200 REMARK 200 NUMBER OF UNIQUE REFLECTIONS : 76112 REMARK 200 RESOLUTION RANGE HIGH (A) : 1.190 REMARK 200 RESOLUTION RANGE LOW (A) : 50.000 REMARK 200 REJECTION CRITERIA (SIGMA(I)) : -3.000 REMARK 200 REMARK 200 OVERALL. REMARK 200 COMPLETENESS FOR RANGE (%) : 100.0 REMARK 200 DATA REDUNDANCY : 8.700 REMARK 200 R MERGE (I) : 0.06000 REMARK 200 R SYM (I) : NULL REMARK 200 FOR THE DATA SET : 36.3000 REMARK 200 REMARK 200 IN THE HIGHEST RESOLUTION SHELL. REMARK 200 HIGHEST RESOLUTION SHELL, RANGE HIGH (A) : 1.19 REMARK 200 HIGHEST RESOLUTION SHELL, RANGE LOW (A) : 1.21 REMARK 200 COMPLETENESS FOR SHELL (%) : 99.7 REMARK 200 DATA REDUNDANCY IN SHELL : 6.60 REMARK 200 R MERGE FOR SHELL (I) : 0.57000 REMARK 200 R SYM FOR SHELL (I) : NULL REMARK 200 FOR SHELL : 3.300 REMARK 200 REMARK 200 DIFFRACTION PROTOCOL: SINGLE WAVELENGTH REMARK 200 METHOD USED TO DETERMINE THE STRUCTURE: MOLECULAR REPLACEMENT REMARK 200 SOFTWARE USED: PHASER REMARK 200 STARTING MODEL: PDB ENTRY 2UV3, CHAIN A REMARK 200 REMARK 200 REMARK: NONE REMARK 280 REMARK 280 CRYSTAL REMARK 280 SOLVENT CONTENT, VS (%): 43.50 REMARK 280 MATTHEWS COEFFICIENT, VM (ANGSTROMS**3/DA): 2.20 REMARK 280 REMARK 280 CRYSTALLIZATION CONDITIONS: 400 NL 25 MG/ML SIRP BETA PLUS 50 NL REMARK 280 RESERVOIR (2.5 M AMMONIUM SULPHATE, 0.1 M BIS-TRIS PROPANE PH REMARK 280 7.0) EQUILIBRATED AGAINST 95 UL OF RESERVOIR AT 20.5 C. 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 32.58600 REMARK 290 SMTRY3 2 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 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: PQS 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 SOFTWARE DETERMINED QUATERNARY STRUCTURE: MONOMERIC REMARK 350 SOFTWARE USED: PQS 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 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 GLU A 1 REMARK 465 ASP A 2 REMARK 465 SER A 64 REMARK 465 GLU A 65 REMARK 465 LEU A 66 REMARK 465 THR A 67 REMARK 465 LYS A 68 REMARK 465 ARG A 69 REMARK 465 ASN A 70 REMARK 465 LYS A 117 REMARK 465 PRO A 118 REMARK 465 SER A 119 REMARK 465 THR A 120 REMARK 465 ARG A 121 REMARK 465 HIS A 122 REMARK 465 HIS A 123 REMARK 465 HIS A 124 REMARK 465 HIS A 125 REMARK 465 HIS A 126 REMARK 465 HIS A 127 REMARK 465 GLU B 1 REMARK 465 ASP B 2 REMARK 465 SER B 98 REMARK 465 PRO B 99 REMARK 465 LYS B 117 REMARK 465 PRO B 118 REMARK 465 SER B 119 REMARK 465 THR B 120 REMARK 465 ARG B 121 REMARK 465 HIS B 122 REMARK 465 HIS B 123 REMARK 465 HIS B 124 REMARK 465 HIS B 125 REMARK 465 HIS B 126 REMARK 465 HIS B 127 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 2021 O HOH A 2065 2.08 REMARK 500 REMARK 500 REMARK: NULL REMARK 650 REMARK 650 HELIX REMARK 650 DETERMINATION METHOD: AUTHOR PROVIDED. REMARK 700 REMARK 700 SHEET REMARK 700 THE SHEET STRUCTURE OF THIS MOLECULE IS BIFURCATED. IN REMARK 700 ORDER TO REPRESENT THIS FEATURE IN THE SHEET RECORDS BELOW, REMARK 700 TWO SHEETS ARE DEFINED. REMARK 800 REMARK 800 SITE REMARK 800 SITE_IDENTIFIER: AC1 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE CL A1117 REMARK 800 REMARK 800 SITE_IDENTIFIER: AC2 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE CL B1117 REMARK 800 REMARK 800 SITE_IDENTIFIER: AC3 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE SO4 A1118 REMARK 900 REMARK 900 RELATED ENTRIES REMARK 900 RELATED ID: 2JJV RELATED DB: PDB REMARK 900 STRUCTURE OF HUMAN SIGNAL REGULATORY PROTEIN (SIRP) BETA(2) REMARK 900 RELATED ID: 2JJW RELATED DB: PDB REMARK 900 STRUCTURE OF HUMAN SIGNAL REGULATORY PROTEIN (SIRP) GAMMA REMARK 900 RELATED ID: 2UV3 RELATED DB: PDB REMARK 900 STRUCTURE OF THE SIGNAL-REGULATORY PROTEIN ( SIRP) ALPHA DOMAIN REMARK 900 THAT BINDS CD47. REMARK 999 REMARK 999 SEQUENCE REMARK 999 RESIDUE NUMBERING IS FOR THE MATURE PROTEIN (LACKING N- REMARK 999 TERMINAL 29 AMINO ACID SIGNAL SEQUENCE). C-TERMINAL REMARK 999 PURIFICATION TAG (TRHHHHHH) IS ADDED. DBREF 2JJU A 1 119 UNP O00241 SIRB1_HUMAN 30 148 DBREF 2JJU A 120 127 PDB 2JJU 2JJU 120 127 DBREF 2JJU B 1 119 UNP O00241 SIRB1_HUMAN 30 148 DBREF 2JJU B 120 127 PDB 2JJU 2JJU 120 127 SEQRES 1 A 127 GLU ASP GLU LEU GLN VAL ILE GLN PRO GLU LYS SER VAL SEQRES 2 A 127 SER VAL ALA ALA GLY GLU SER ALA THR LEU ARG CYS ALA SEQRES 3 A 127 MET THR SER LEU ILE PRO VAL GLY PRO ILE MET TRP PHE SEQRES 4 A 127 ARG GLY ALA GLY ALA GLY ARG GLU LEU ILE TYR ASN GLN SEQRES 5 A 127 LYS GLU GLY HIS PHE PRO ARG VAL THR THR VAL SER GLU SEQRES 6 A 127 LEU THR LYS ARG ASN ASN LEU ASP PHE SER ILE SER ILE SEQRES 7 A 127 SER ASN ILE THR PRO ALA ASP ALA GLY THR TYR TYR CYS SEQRES 8 A 127 VAL LYS PHE ARG LYS GLY SER PRO ASP ASP VAL GLU PHE SEQRES 9 A 127 LYS SER GLY ALA GLY THR GLU LEU SER VAL ARG ALA LYS SEQRES 10 A 127 PRO SER THR ARG HIS HIS HIS HIS HIS HIS SEQRES 1 B 127 GLU ASP GLU LEU GLN VAL ILE GLN PRO GLU LYS SER VAL SEQRES 2 B 127 SER VAL ALA ALA GLY GLU SER ALA THR LEU ARG CYS ALA SEQRES 3 B 127 MET THR SER LEU ILE PRO VAL GLY PRO ILE MET TRP PHE SEQRES 4 B 127 ARG GLY ALA GLY ALA GLY ARG GLU LEU ILE TYR ASN GLN SEQRES 5 B 127 LYS GLU GLY HIS PHE PRO ARG VAL THR THR VAL SER GLU SEQRES 6 B 127 LEU THR LYS ARG ASN ASN LEU ASP PHE SER ILE SER ILE SEQRES 7 B 127 SER ASN ILE THR PRO ALA ASP ALA GLY THR TYR TYR CYS SEQRES 8 B 127 VAL LYS PHE ARG LYS GLY SER PRO ASP ASP VAL GLU PHE SEQRES 9 B 127 LYS SER GLY ALA GLY THR GLU LEU SER VAL ARG ALA LYS SEQRES 10 B 127 PRO SER THR ARG HIS HIS HIS HIS HIS HIS HET CL A1117 1 HET SO4 A1118 5 HET CL B1117 1 HETNAM CL CHLORIDE ION HETNAM SO4 SULFATE ION FORMUL 3 CL 2(CL 1-) FORMUL 4 SO4 O4 S 2- FORMUL 6 HOH *343(H2 O) HELIX 1 1 PRO A 83 ASP A 85 5 3 HELIX 2 2 PRO B 83 ASP B 85 5 3 SHEET 1 AA 2 VAL A 6 ILE A 7 0 SHEET 2 AA 2 ALA A 26 MET A 27 -1 O ALA A 26 N ILE A 7 SHEET 1 AB 5 SER A 12 ALA A 16 0 SHEET 2 AB 5 THR A 110 ARG A 115 1 O GLU A 111 N VAL A 13 SHEET 3 AB 5 GLY A 87 ARG A 95 -1 O GLY A 87 N LEU A 112 SHEET 4 AB 5 ILE A 36 ARG A 40 -1 O MET A 37 N VAL A 92 SHEET 5 AB 5 GLU A 47 ASN A 51 -1 O GLU A 47 N ARG A 40 SHEET 1 AC 4 SER A 12 ALA A 16 0 SHEET 2 AC 4 THR A 110 ARG A 115 1 O GLU A 111 N VAL A 13 SHEET 3 AC 4 GLY A 87 ARG A 95 -1 O GLY A 87 N LEU A 112 SHEET 4 AC 4 VAL A 102 SER A 106 -1 O VAL A 102 N ARG A 95 SHEET 1 AD 3 ALA A 21 LEU A 23 0 SHEET 2 AD 3 ILE A 76 ILE A 78 -1 O ILE A 76 N LEU A 23 SHEET 3 AD 3 VAL A 60 THR A 62 -1 O THR A 61 N SER A 77 SHEET 1 BA 2 VAL B 6 ILE B 7 0 SHEET 2 BA 2 ALA B 26 MET B 27 -1 O ALA B 26 N ILE B 7 SHEET 1 BB 5 SER B 12 VAL B 15 0 SHEET 2 BB 5 THR B 110 VAL B 114 1 O GLU B 111 N VAL B 13 SHEET 3 BB 5 GLY B 87 ARG B 95 -1 O GLY B 87 N LEU B 112 SHEET 4 BB 5 ILE B 36 ARG B 40 -1 O MET B 37 N VAL B 92 SHEET 5 BB 5 GLU B 47 ASN B 51 -1 O GLU B 47 N ARG B 40 SHEET 1 BC 4 SER B 12 VAL B 15 0 SHEET 2 BC 4 THR B 110 VAL B 114 1 O GLU B 111 N VAL B 13 SHEET 3 BC 4 GLY B 87 ARG B 95 -1 O GLY B 87 N LEU B 112 SHEET 4 BC 4 VAL B 102 SER B 106 -1 O VAL B 102 N ARG B 95 SHEET 1 BD 3 ALA B 21 LEU B 23 0 SHEET 2 BD 3 ILE B 76 ILE B 78 -1 O ILE B 76 N LEU B 23 SHEET 3 BD 3 VAL B 60 THR B 62 -1 O THR B 61 N SER B 77 SSBOND 1 CYS A 25 CYS A 91 1555 1555 2.03 SSBOND 2 CYS B 25 CYS B 91 1555 1555 2.05 CISPEP 1 ILE A 31 PRO A 32 0 -1.88 CISPEP 2 SER A 98 PRO A 99 0 1.24 CISPEP 3 ILE B 31 PRO B 32 0 -0.37 SITE 1 AC1 2 PRO A 32 VAL A 33 SITE 1 AC2 4 GLU A 103 HOH A2145 HOH A2148 GLU B 103 SITE 1 AC3 4 ARG A 59 SER A 79 ASN A 80 HOH A2165 CRYST1 32.166 65.172 58.113 90.00 93.43 90.00 P 1 21 1 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 0.031089 0.000000 0.001863 0.00000 SCALE2 0.000000 0.015344 0.000000 0.00000 SCALE3 0.000000 0.000000 0.017239 0.00000