HEADER IMMUNE SYSTEM 28-AUG-25 9SID TITLE CRYSTAL STRUCTURE OF HUMAN SIGNAL REGULATORY PROTEIN 2 (SIRP) ALPHA V2 TITLE 2 - Q52F MUTANT COMPND MOL_ID: 1; COMPND 2 MOLECULE: HUMAN SIRP ALPHA V2 - Q52F; COMPND 3 CHAIN: A, B; COMPND 4 ENGINEERED: YES SOURCE MOL_ID: 1; SOURCE 2 ORGANISM_SCIENTIFIC: HOMO SAPIENS; SOURCE 3 ORGANISM_TAXID: 9606; SOURCE 4 EXPRESSION_SYSTEM: ESCHERICHIA COLI; SOURCE 5 EXPRESSION_SYSTEM_TAXID: 562 KEYWDS IMMUNOGLOBULIN SUPERFAMILY, SIRP, SIRPA, CD47, DON'T EAT ME SIGNAL, KEYWDS 2 IMMUNE CHECKPOINT, IMMUNE SYSTEM EXPDTA X-RAY DIFFRACTION AUTHOR S.BARELIER,S.BETZI,E.D.GARCIN,T.W.MILLER REVDAT 1 28-JAN-26 9SID 0 JRNL AUTH M.STORDER,S.BARELIER,F.CORDIER,T.YACOUB,L.ILARI,K.BARRAL, JRNL AUTH 2 S.MAHMOODI,M.SAEZ-AYALA,S.COMBES,S.BETZI,C.DERVIAUX, JRNL AUTH 3 A.ULLIANA,F.TORRES,J.RUBIN,P.ROCHE,X.MORELLI,E.D.GARCIN, JRNL AUTH 4 T.W.MILLER JRNL TITL ENGINEERING SIRP ALPHA CONFORMATIONAL PLASTICITY TO REVEAL A JRNL TITL 2 CRYPTIC POCKET SUITABLE FOR STRUCTURE-BASED DRUG DESIGN. JRNL REF BIORXIV 2025 JRNL REFN ISSN 2692-8205 JRNL PMID 41497624 JRNL DOI 10.64898/2025.12.10.693509 REMARK 2 REMARK 2 RESOLUTION. 1.69 ANGSTROMS. REMARK 3 REMARK 3 REFINEMENT. REMARK 3 PROGRAM : PHENIX (1.20.1_4487: ???) REMARK 3 AUTHORS : PAUL ADAMS,PAVEL AFONINE,VINCENT CHEN,IAN REMARK 3 : DAVIS,KRESHNA GOPAL,RALF GROSSE-KUNSTLEVE, REMARK 3 : LI-WEI HUNG,ROBERT IMMORMINO,TOM IOERGER, REMARK 3 : AIRLIE MCCOY,ERIK MCKEE,NIGEL MORIARTY, REMARK 3 : REETAL PAI,RANDY READ,JANE RICHARDSON, REMARK 3 : DAVID RICHARDSON,TOD ROMO,JIM SACCHETTINI, REMARK 3 : NICHOLAS SAUTER,JACOB SMITH,LAURENT REMARK 3 : STORONI,TOM TERWILLIGER,PETER ZWART REMARK 3 REMARK 3 REFINEMENT TARGET : ML REMARK 3 REMARK 3 DATA USED IN REFINEMENT. REMARK 3 RESOLUTION RANGE HIGH (ANGSTROMS) : 1.69 REMARK 3 RESOLUTION RANGE LOW (ANGSTROMS) : 43.80 REMARK 3 MIN(FOBS/SIGMA_FOBS) : 1.340 REMARK 3 COMPLETENESS FOR RANGE (%) : 99.8 REMARK 3 NUMBER OF REFLECTIONS : 25416 REMARK 3 REMARK 3 FIT TO DATA USED IN REFINEMENT. REMARK 3 R VALUE (WORKING + TEST SET) : 0.241 REMARK 3 R VALUE (WORKING SET) : 0.239 REMARK 3 FREE R VALUE : 0.274 REMARK 3 FREE R VALUE TEST SET SIZE (%) : 5.000 REMARK 3 FREE R VALUE TEST SET COUNT : 1272 REMARK 3 REMARK 3 FIT TO DATA USED IN REFINEMENT (IN BINS). REMARK 3 BIN RESOLUTION RANGE COMPL. NWORK NFREE RWORK RFREE REMARK 3 1 43.8000 - 3.5200 1.00 2844 150 0.1994 0.2404 REMARK 3 2 3.5200 - 2.8000 1.00 2730 144 0.2285 0.2493 REMARK 3 3 2.8000 - 2.4400 1.00 2696 142 0.2395 0.2715 REMARK 3 4 2.4400 - 2.2200 1.00 2675 141 0.2386 0.2912 REMARK 3 5 2.2200 - 2.0600 1.00 2662 140 0.2721 0.2982 REMARK 3 6 2.0600 - 1.9400 1.00 2653 139 0.2768 0.3150 REMARK 3 7 1.9400 - 1.8400 1.00 2647 140 0.2854 0.3207 REMARK 3 8 1.8400 - 1.7600 1.00 2634 138 0.3212 0.3179 REMARK 3 9 1.7600 - 1.6900 0.98 2603 138 0.4191 0.4567 REMARK 3 REMARK 3 BULK SOLVENT MODELLING. REMARK 3 METHOD USED : FLAT BULK SOLVENT MODEL REMARK 3 SOLVENT RADIUS : 1.10 REMARK 3 SHRINKAGE RADIUS : 0.90 REMARK 3 K_SOL : NULL REMARK 3 B_SOL : NULL REMARK 3 REMARK 3 ERROR ESTIMATES. REMARK 3 COORDINATE ERROR (MAXIMUM-LIKELIHOOD BASED) : 0.290 REMARK 3 PHASE ERROR (DEGREES, MAXIMUM-LIKELIHOOD BASED) : 27.380 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 TWINNING INFORMATION. REMARK 3 FRACTION: NULL REMARK 3 OPERATOR: NULL REMARK 3 REMARK 3 DEVIATIONS FROM IDEAL VALUES. REMARK 3 RMSD COUNT REMARK 3 BOND : 0.007 1783 REMARK 3 ANGLE : 0.961 2416 REMARK 3 CHIRALITY : 0.064 269 REMARK 3 PLANARITY : 0.009 312 REMARK 3 DIHEDRAL : 8.224 249 REMARK 3 REMARK 3 TLS DETAILS REMARK 3 NUMBER OF TLS GROUPS : NULL REMARK 3 REMARK 3 NCS DETAILS REMARK 3 NUMBER OF NCS GROUPS : NULL REMARK 3 REMARK 3 OTHER REFINEMENT REMARKS: NULL REMARK 4 REMARK 4 9SID COMPLIES WITH FORMAT V. 3.30, 13-JUL-11 REMARK 100 REMARK 100 THIS ENTRY HAS BEEN PROCESSED BY PDBE ON 28-AUG-25. REMARK 100 THE DEPOSITION ID IS D_1292146822. REMARK 200 REMARK 200 EXPERIMENTAL DETAILS REMARK 200 EXPERIMENT TYPE : X-RAY DIFFRACTION REMARK 200 DATE OF DATA COLLECTION : 06-JUL-22 REMARK 200 TEMPERATURE (KELVIN) : 100 REMARK 200 PH : NULL REMARK 200 NUMBER OF CRYSTALS USED : 1 REMARK 200 REMARK 200 SYNCHROTRON (Y/N) : Y REMARK 200 RADIATION SOURCE : SOLEIL REMARK 200 BEAMLINE : PROXIMA 2 REMARK 200 X-RAY GENERATOR MODEL : NULL REMARK 200 MONOCHROMATIC OR LAUE (M/L) : M REMARK 200 WAVELENGTH OR RANGE (A) : 0.980103289881 REMARK 200 MONOCHROMATOR : NULL REMARK 200 OPTICS : NULL REMARK 200 REMARK 200 DETECTOR TYPE : PIXEL REMARK 200 DETECTOR MANUFACTURER : DECTRIS EIGER X 9M REMARK 200 INTENSITY-INTEGRATION SOFTWARE : XDS REMARK 200 DATA SCALING SOFTWARE : XDS REMARK 200 REMARK 200 NUMBER OF UNIQUE REFLECTIONS : 25431 REMARK 200 RESOLUTION RANGE HIGH (A) : 1.690 REMARK 200 RESOLUTION RANGE LOW (A) : 50.000 REMARK 200 REJECTION CRITERIA (SIGMA(I)) : NULL REMARK 200 REMARK 200 OVERALL. REMARK 200 COMPLETENESS FOR RANGE (%) : 99.8 REMARK 200 DATA REDUNDANCY : 12.30 REMARK 200 R MERGE (I) : NULL REMARK 200 R SYM (I) : NULL REMARK 200 FOR THE DATA SET : 9.9500 REMARK 200 REMARK 200 IN THE HIGHEST RESOLUTION SHELL. REMARK 200 HIGHEST RESOLUTION SHELL, RANGE HIGH (A) : 1.69 REMARK 200 HIGHEST RESOLUTION SHELL, RANGE LOW (A) : 1.80 REMARK 200 COMPLETENESS FOR SHELL (%) : 98.9 REMARK 200 DATA REDUNDANCY IN SHELL : 9.39 REMARK 200 R MERGE FOR SHELL (I) : NULL REMARK 200 R SYM FOR SHELL (I) : NULL REMARK 200 FOR SHELL : 0.890 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: NULL REMARK 200 REMARK 200 REMARK: NULL REMARK 280 REMARK 280 CRYSTAL REMARK 280 SOLVENT CONTENT, VS (%): 42.88 REMARK 280 MATTHEWS COEFFICIENT, VM (ANGSTROMS**3/DA): 2.15 REMARK 280 REMARK 280 CRYSTALLIZATION CONDITIONS: 0.01M ZINC SULFATE HEPTAHYDRATE 0.1M REMARK 280 MES MONOHYDRATE PH 6.5 25% V/V PEG MONOMETHYL ETHER 550, VAPOR REMARK 280 DIFFUSION, HANGING DROP, TEMPERATURE 293K REMARK 290 REMARK 290 CRYSTALLOGRAPHIC SYMMETRY REMARK 290 SYMMETRY OPERATORS FOR SPACE GROUP: P 21 21 21 REMARK 290 REMARK 290 SYMOP SYMMETRY REMARK 290 NNNMMM OPERATOR REMARK 290 1555 X,Y,Z REMARK 290 2555 -X+1/2,-Y,Z+1/2 REMARK 290 3555 -X,Y+1/2,-Z+1/2 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 28.76750 REMARK 290 SMTRY2 2 0.000000 -1.000000 0.000000 0.00000 REMARK 290 SMTRY3 2 0.000000 0.000000 1.000000 33.36700 REMARK 290 SMTRY1 3 -1.000000 0.000000 0.000000 0.00000 REMARK 290 SMTRY2 3 0.000000 1.000000 0.000000 29.02450 REMARK 290 SMTRY3 3 0.000000 0.000000 -1.000000 33.36700 REMARK 290 SMTRY1 4 1.000000 0.000000 0.000000 28.76750 REMARK 290 SMTRY2 4 0.000000 -1.000000 0.000000 29.02450 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 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 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 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 65 REMARK 465 SER A 66 REMARK 465 THR A 67 REMARK 465 LYS A 68 REMARK 465 SER B 0 REMARK 465 GLU B 65 REMARK 465 SER B 66 REMARK 465 THR B 67 REMARK 465 LYS B 68 REMARK 465 ARG B 69 REMARK 465 SER B 118 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 NH2 ARG A 46 OE2 GLU A 102 1.99 REMARK 500 REMARK 500 REMARK: NULL REMARK 620 REMARK 620 METAL COORDINATION REMARK 620 (M=MODEL NUMBER; RES=RESIDUE NAME; C=CHAIN IDENTIFIER; REMARK 620 SSEQ=SEQUENCE NUMBER; I=INSERTION CODE): REMARK 620 REMARK 620 COORDINATION ANGLES FOR: M RES CSSEQI METAL REMARK 620 ZN B 202 ZN REMARK 620 N RES CSSEQI ATOM REMARK 620 1 SER A 0 N REMARK 620 2 SER A 0 O 75.9 REMARK 620 3 GLU B 1 OE1 130.9 90.3 REMARK 620 4 GLU B 1 OE2 75.9 78.2 55.1 REMARK 620 5 HIS B 56 NE2 126.8 106.8 102.3 157.2 REMARK 620 N 1 2 3 4 REMARK 620 REMARK 620 COORDINATION ANGLES FOR: M RES CSSEQI METAL REMARK 620 ZN A 201 ZN REMARK 620 N RES CSSEQI ATOM REMARK 620 1 ASP A 10 OD2 REMARK 620 2 HIS A 24 ND1 110.8 REMARK 620 3 HIS B 24 NE2 114.5 102.6 REMARK 620 4 HOH B 340 O 114.5 112.5 101.0 REMARK 620 N 1 2 3 REMARK 620 REMARK 620 COORDINATION ANGLES FOR: M RES CSSEQI METAL REMARK 620 ZN A 202 ZN REMARK 620 N RES CSSEQI ATOM REMARK 620 1 HIS A 24 NE2 REMARK 620 2 ASP B 10 OD1 110.6 REMARK 620 3 HOH B 342 O 118.5 126.6 REMARK 620 N 1 2 DBREF 9SID A 0 118 PDB 9SID 9SID 0 118 DBREF 9SID B 0 118 PDB 9SID 9SID 0 118 SEQRES 1 A 119 SER GLU GLU GLU LEU GLN VAL ILE GLN PRO ASP LYS SER SEQRES 2 A 119 VAL SER VAL ALA ALA GLY GLU SER ALA ILE LEU HIS CYS SEQRES 3 A 119 THR VAL THR SER LEU ILE PRO VAL GLY PRO ILE GLN TRP SEQRES 4 A 119 PHE ARG GLY ALA GLY PRO ALA ARG GLU LEU ILE TYR ASN SEQRES 5 A 119 PHE LYS GLU GLY HIS PHE PRO ARG VAL THR THR VAL SER SEQRES 6 A 119 GLU SER THR LYS ARG GLU ASN MET ASP PHE SER ILE SER SEQRES 7 A 119 ILE SER ASN ILE THR PRO ALA ASP ALA GLY THR TYR TYR SEQRES 8 A 119 CYS VAL LYS PHE ARG LYS GLY SER PRO ASP THR GLU PHE SEQRES 9 A 119 LYS SER GLY ALA GLY THR GLU LEU SER VAL ARG ALA LYS SEQRES 10 A 119 PRO SER SEQRES 1 B 119 SER GLU GLU GLU LEU GLN VAL ILE GLN PRO ASP LYS SER SEQRES 2 B 119 VAL SER VAL ALA ALA GLY GLU SER ALA ILE LEU HIS CYS SEQRES 3 B 119 THR VAL THR SER LEU ILE PRO VAL GLY PRO ILE GLN TRP SEQRES 4 B 119 PHE ARG GLY ALA GLY PRO ALA ARG GLU LEU ILE TYR ASN SEQRES 5 B 119 PHE LYS GLU GLY HIS PHE PRO ARG VAL THR THR VAL SER SEQRES 6 B 119 GLU SER THR LYS ARG GLU ASN MET ASP PHE SER ILE SER SEQRES 7 B 119 ILE SER ASN ILE THR PRO ALA ASP ALA GLY THR TYR TYR SEQRES 8 B 119 CYS VAL LYS PHE ARG LYS GLY SER PRO ASP THR GLU PHE SEQRES 9 B 119 LYS SER GLY ALA GLY THR GLU LEU SER VAL ARG ALA LYS SEQRES 10 B 119 PRO SER HET ZN A 201 1 HET ZN A 202 1 HET ZN A 203 1 HET MES B 201 25 HET ZN B 202 1 HETNAM ZN ZINC ION HETNAM MES 2-(N-MORPHOLINO)-ETHANESULFONIC ACID FORMUL 3 ZN 4(ZN 2+) FORMUL 6 MES C6 H13 N O4 S FORMUL 8 HOH *90(H2 O) HELIX 1 AA1 THR A 82 ALA A 86 5 5 HELIX 2 AA2 THR B 82 ALA B 86 5 5 SHEET 1 AA1 2 VAL A 6 ILE A 7 0 SHEET 2 AA1 2 THR A 26 VAL A 27 -1 O THR A 26 N ILE A 7 SHEET 1 AA2 5 SER A 12 ALA A 16 0 SHEET 2 AA2 5 THR A 109 ARG A 114 1 O GLU A 110 N VAL A 13 SHEET 3 AA2 5 GLY A 87 ARG A 95 -1 N GLY A 87 O LEU A 111 SHEET 4 AA2 5 ILE A 36 ARG A 40 -1 N GLN A 37 O VAL A 92 SHEET 5 AA2 5 GLU A 47 ASN A 51 -1 O ILE A 49 N TRP A 38 SHEET 1 AA3 4 SER A 12 ALA A 16 0 SHEET 2 AA3 4 THR A 109 ARG A 114 1 O GLU A 110 N VAL A 13 SHEET 3 AA3 4 GLY A 87 ARG A 95 -1 N GLY A 87 O LEU A 111 SHEET 4 AA3 4 THR A 101 SER A 105 -1 O THR A 101 N ARG A 95 SHEET 1 AA4 3 ALA A 21 LEU A 23 0 SHEET 2 AA4 3 ILE A 76 ILE A 78 -1 O ILE A 76 N LEU A 23 SHEET 3 AA4 3 VAL A 60 THR A 62 -1 N THR A 61 O SER A 77 SHEET 1 AA5 2 VAL B 6 ILE B 7 0 SHEET 2 AA5 2 THR B 26 VAL B 27 -1 O THR B 26 N ILE B 7 SHEET 1 AA6 5 SER B 12 ALA B 16 0 SHEET 2 AA6 5 THR B 109 ARG B 114 1 O GLU B 110 N VAL B 13 SHEET 3 AA6 5 GLY B 87 ARG B 95 -1 N TYR B 89 O THR B 109 SHEET 4 AA6 5 ILE B 36 ARG B 40 -1 N GLN B 37 O VAL B 92 SHEET 5 AA6 5 GLU B 47 ASN B 51 -1 O TYR B 50 N TRP B 38 SHEET 1 AA7 4 SER B 12 ALA B 16 0 SHEET 2 AA7 4 THR B 109 ARG B 114 1 O GLU B 110 N VAL B 13 SHEET 3 AA7 4 GLY B 87 ARG B 95 -1 N TYR B 89 O THR B 109 SHEET 4 AA7 4 THR B 101 SER B 105 -1 O THR B 101 N ARG B 95 SHEET 1 AA8 3 ALA B 21 LEU B 23 0 SHEET 2 AA8 3 ILE B 76 ILE B 78 -1 O ILE B 76 N LEU B 23 SHEET 3 AA8 3 VAL B 60 THR B 62 -1 N THR B 61 O SER B 77 SSBOND 1 CYS A 25 CYS A 91 1555 1555 2.16 SSBOND 2 CYS B 25 CYS B 91 1555 1555 2.12 LINK N SER A 0 ZN ZN B 202 1555 4445 2.17 LINK O SER A 0 ZN ZN B 202 1555 4445 2.27 LINK OD2 ASP A 10 ZN ZN A 201 1555 1555 1.96 LINK ND1 HIS A 24 ZN ZN A 201 1555 1555 2.18 LINK NE2 HIS A 24 ZN ZN A 202 1555 1555 2.21 LINK NE2 HIS A 56 ZN ZN A 203 1555 1555 2.26 LINK ZN ZN A 201 NE2 HIS B 24 1555 1555 2.14 LINK ZN ZN A 201 O HOH B 340 1555 1555 2.04 LINK ZN ZN A 202 OD1 ASP B 10 1555 1555 2.03 LINK ZN ZN A 202 O HOH B 342 1555 1555 2.21 LINK OE1 GLU B 1 ZN ZN B 202 1555 4445 2.07 LINK OE2 GLU B 1 ZN ZN B 202 1555 4445 2.62 LINK NE2 HIS B 56 ZN ZN B 202 1555 1555 2.27 CISPEP 1 ILE A 31 PRO A 32 0 -4.20 CISPEP 2 SER A 98 PRO A 99 0 -1.01 CISPEP 3 ILE B 31 PRO B 32 0 -4.09 CISPEP 4 SER B 98 PRO B 99 0 7.56 CRYST1 57.535 58.049 66.734 90.00 90.00 90.00 P 21 21 21 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 0.017381 0.000000 0.000000 0.00000 SCALE2 0.000000 0.017227 0.000000 0.00000 SCALE3 0.000000 0.000000 0.014985 0.00000 CONECT 89 1736 CONECT 181 1736 CONECT 184 1737 CONECT 190 676 CONECT 435 1738 CONECT 676 190 CONECT 961 1737 CONECT 1057 1736 CONECT 1063 1538 CONECT 1308 1764 CONECT 1538 1063 CONECT 1736 89 181 1057 1849 CONECT 1737 184 961 1851 CONECT 1738 435 CONECT 1739 1740 1744 CONECT 1740 1739 1741 1751 1752 CONECT 1741 1740 1742 1753 1754 CONECT 1742 1741 1743 1745 1755 CONECT 1743 1742 1744 1756 1757 CONECT 1744 1739 1743 1758 1759 CONECT 1745 1742 1746 1760 1761 CONECT 1746 1745 1747 1762 1763 CONECT 1747 1746 1748 1749 1750 CONECT 1748 1747 CONECT 1749 1747 CONECT 1750 1747 CONECT 1751 1740 CONECT 1752 1740 CONECT 1753 1741 CONECT 1754 1741 CONECT 1755 1742 CONECT 1756 1743 CONECT 1757 1743 CONECT 1758 1744 CONECT 1759 1744 CONECT 1760 1745 CONECT 1761 1745 CONECT 1762 1746 CONECT 1763 1746 CONECT 1764 1308 CONECT 1849 1736 CONECT 1851 1737 MASTER 262 0 5 2 28 0 0 6 1839 2 42 20 END