HEADER HYDROLASE 13-DEC-16 5MNG TITLE CATIONIC TRYPSIN IN COMPLEX WITH BENZAMIDINE (DEUTERATED SAMPLE AT 100 TITLE 2 K) COMPND MOL_ID: 1; COMPND 2 MOLECULE: CATIONIC TRYPSIN; COMPND 3 CHAIN: A; COMPND 4 SYNONYM: BETA-TRYPSIN; COMPND 5 EC: 3.4.21.4 SOURCE MOL_ID: 1; SOURCE 2 ORGANISM_SCIENTIFIC: BOS TAURUS; SOURCE 3 ORGANISM_COMMON: CATTLE; SOURCE 4 ORGANISM_TAXID: 9913 KEYWDS HYDROGEN BONDING, PROTONATION, PROTEIN-LIGAND INTERACTION, HYDROLASE EXPDTA X-RAY DIFFRACTION AUTHOR J.SCHIEBEL,A.HEINE,G.KLEBE REVDAT 4 17-JAN-24 5MNG 1 REMARK REVDAT 3 04-AUG-21 5MNG 1 COMPND REMARK HET FORMUL REVDAT 3 2 1 ATOM REVDAT 2 12-SEP-18 5MNG 1 JRNL REVDAT 1 17-JAN-18 5MNG 0 JRNL AUTH J.SCHIEBEL,R.GASPARI,T.WULSDORF,K.NGO,C.SOHN,T.E.SCHRADER, JRNL AUTH 2 A.CAVALLI,A.OSTERMANN,A.HEINE,G.KLEBE JRNL TITL INTRIGUING ROLE OF WATER IN PROTEIN-LIGAND BINDING STUDIED JRNL TITL 2 BY NEUTRON CRYSTALLOGRAPHY ON TRYPSIN COMPLEXES. JRNL REF NAT COMMUN V. 9 3559 2018 JRNL REFN ESSN 2041-1723 JRNL PMID 30177695 JRNL DOI 10.1038/S41467-018-05769-2 REMARK 2 REMARK 2 RESOLUTION. 0.86 ANGSTROMS. REMARK 3 REMARK 3 REFINEMENT. REMARK 3 PROGRAM : PHENIX (1.10.1-2155) 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 : NULL REMARK 3 REMARK 3 DATA USED IN REFINEMENT. REMARK 3 RESOLUTION RANGE HIGH (ANGSTROMS) : 0.86 REMARK 3 RESOLUTION RANGE LOW (ANGSTROMS) : 24.67 REMARK 3 MIN(FOBS/SIGMA_FOBS) : 1.360 REMARK 3 COMPLETENESS FOR RANGE (%) : 99.8 REMARK 3 NUMBER OF REFLECTIONS : 179654 REMARK 3 REMARK 3 FIT TO DATA USED IN REFINEMENT. REMARK 3 R VALUE (WORKING + TEST SET) : 0.100 REMARK 3 R VALUE (WORKING SET) : 0.099 REMARK 3 FREE R VALUE : 0.109 REMARK 3 FREE R VALUE TEST SET SIZE (%) : 5.000 REMARK 3 FREE R VALUE TEST SET COUNT : 8986 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 24.6820 - 2.6708 0.99 5995 317 0.1257 0.1415 REMARK 3 2 2.6708 - 2.1203 1.00 5846 309 0.1099 0.1132 REMARK 3 3 2.1203 - 1.8523 1.00 5771 303 0.1032 0.1088 REMARK 3 4 1.8523 - 1.6830 1.00 5772 304 0.0986 0.1028 REMARK 3 5 1.6830 - 1.5624 1.00 5718 302 0.0907 0.1024 REMARK 3 6 1.5624 - 1.4703 1.00 5737 302 0.0851 0.0961 REMARK 3 7 1.4703 - 1.3967 1.00 5719 301 0.0854 0.0966 REMARK 3 8 1.3967 - 1.3359 1.00 5702 300 0.0874 0.1048 REMARK 3 9 1.3359 - 1.2845 1.00 5693 300 0.0824 0.0937 REMARK 3 10 1.2845 - 1.2401 1.00 5684 299 0.0789 0.0933 REMARK 3 11 1.2401 - 1.2014 1.00 5704 301 0.0747 0.0849 REMARK 3 12 1.2014 - 1.1670 1.00 5670 298 0.0703 0.0780 REMARK 3 13 1.1670 - 1.1363 1.00 5671 299 0.0666 0.0726 REMARK 3 14 1.1363 - 1.1086 1.00 5694 298 0.0648 0.0778 REMARK 3 15 1.1086 - 1.0834 1.00 5652 298 0.0675 0.0753 REMARK 3 16 1.0834 - 1.0603 1.00 5697 300 0.0695 0.0805 REMARK 3 17 1.0603 - 1.0391 1.00 5629 296 0.0717 0.0951 REMARK 3 18 1.0391 - 1.0195 1.00 5681 299 0.0778 0.0882 REMARK 3 19 1.0195 - 1.0013 1.00 5669 299 0.0818 0.0946 REMARK 3 20 1.0013 - 0.9843 1.00 5623 296 0.0856 0.0950 REMARK 3 21 0.9843 - 0.9684 1.00 5676 299 0.0901 0.1010 REMARK 3 22 0.9684 - 0.9535 1.00 5639 297 0.0982 0.1102 REMARK 3 23 0.9535 - 0.9395 1.00 5660 298 0.1030 0.1089 REMARK 3 24 0.9395 - 0.9263 1.00 5657 297 0.1137 0.1251 REMARK 3 25 0.9263 - 0.9138 1.00 5656 298 0.1237 0.1304 REMARK 3 26 0.9138 - 0.9019 1.00 5664 298 0.1334 0.1452 REMARK 3 27 0.9019 - 0.8906 1.00 5629 297 0.1417 0.1492 REMARK 3 28 0.8906 - 0.8799 1.00 5604 295 0.1497 0.1609 REMARK 3 29 0.8799 - 0.8697 1.00 5658 297 0.1645 0.1823 REMARK 3 30 0.8697 - 0.8599 0.97 5498 289 0.1880 0.1930 REMARK 3 REMARK 3 BULK SOLVENT MODELLING. REMARK 3 METHOD USED : NULL REMARK 3 SOLVENT RADIUS : 1.11 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) : 0.040 REMARK 3 PHASE ERROR (DEGREES, MAXIMUM-LIKELIHOOD BASED) : 7.790 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 : 0.009 2071 REMARK 3 ANGLE : 1.168 2869 REMARK 3 CHIRALITY : 0.100 304 REMARK 3 PLANARITY : 0.009 399 REMARK 3 DIHEDRAL : 14.441 781 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 5MNG COMPLIES WITH FORMAT V. 3.30, 13-JUL-11 REMARK 100 REMARK 100 THIS ENTRY HAS BEEN PROCESSED BY PDBE ON 13-DEC-16. REMARK 100 THE DEPOSITION ID IS D_1200002703. REMARK 200 REMARK 200 EXPERIMENTAL DETAILS REMARK 200 EXPERIMENT TYPE : X-RAY DIFFRACTION REMARK 200 DATE OF DATA COLLECTION : 10-JUN-15 REMARK 200 TEMPERATURE (KELVIN) : 100 REMARK 200 PH : 7.5 REMARK 200 NUMBER OF CRYSTALS USED : 1 REMARK 200 REMARK 200 SYNCHROTRON (Y/N) : Y REMARK 200 RADIATION SOURCE : PETRA III, EMBL C/O DESY REMARK 200 BEAMLINE : P14 (MX2) REMARK 200 X-RAY GENERATOR MODEL : NULL REMARK 200 MONOCHROMATIC OR LAUE (M/L) : M REMARK 200 WAVELENGTH OR RANGE (A) : 0.7069 REMARK 200 MONOCHROMATOR : NULL REMARK 200 OPTICS : NULL REMARK 200 REMARK 200 DETECTOR TYPE : PIXEL REMARK 200 DETECTOR MANUFACTURER : DECTRIS PILATUS 6M REMARK 200 INTENSITY-INTEGRATION SOFTWARE : XDS REMARK 200 DATA SCALING SOFTWARE : XDS REMARK 200 REMARK 200 NUMBER OF UNIQUE REFLECTIONS : 179771 REMARK 200 RESOLUTION RANGE HIGH (A) : 0.860 REMARK 200 RESOLUTION RANGE LOW (A) : 43.881 REMARK 200 REJECTION CRITERIA (SIGMA(I)) : NULL REMARK 200 REMARK 200 OVERALL. REMARK 200 COMPLETENESS FOR RANGE (%) : 99.8 REMARK 200 DATA REDUNDANCY : 6.426 REMARK 200 R MERGE (I) : 0.03100 REMARK 200 R SYM (I) : NULL REMARK 200 FOR THE DATA SET : 26.5600 REMARK 200 REMARK 200 IN THE HIGHEST RESOLUTION SHELL. REMARK 200 HIGHEST RESOLUTION SHELL, RANGE HIGH (A) : 0.86 REMARK 200 HIGHEST RESOLUTION SHELL, RANGE LOW (A) : 0.91 REMARK 200 COMPLETENESS FOR SHELL (%) : 99.4 REMARK 200 DATA REDUNDANCY IN SHELL : 6.32 REMARK 200 R MERGE FOR SHELL (I) : 0.57200 REMARK 200 R SYM FOR SHELL (I) : NULL REMARK 200 FOR SHELL : 3.220 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: 4I8H REMARK 200 REMARK 200 REMARK: NULL REMARK 280 REMARK 280 CRYSTAL REMARK 280 SOLVENT CONTENT, VS (%): 45.83 REMARK 280 MATTHEWS COEFFICIENT, VM (ANGSTROMS**3/DA): 2.27 REMARK 280 REMARK 280 CRYSTALLIZATION CONDITIONS: 0.2 M AMMONIUM SULFATE, 0.1 M HEPES PH REMARK 280 7.5, 17.5% (W/V) PEG 8000, VAPOR DIFFUSION, SITTING DROP, REMARK 280 TEMPERATURE 277K 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 27.24300 REMARK 290 SMTRY2 2 0.000000 -1.000000 0.000000 0.00000 REMARK 290 SMTRY3 2 0.000000 0.000000 1.000000 33.41650 REMARK 290 SMTRY1 3 -1.000000 0.000000 0.000000 0.00000 REMARK 290 SMTRY2 3 0.000000 1.000000 0.000000 29.08850 REMARK 290 SMTRY3 3 0.000000 0.000000 -1.000000 33.41650 REMARK 290 SMTRY1 4 1.000000 0.000000 0.000000 27.24300 REMARK 290 SMTRY2 4 0.000000 -1.000000 0.000000 29.08850 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: MONOMERIC REMARK 350 SOFTWARE DETERMINED QUATERNARY STRUCTURE: MONOMERIC REMARK 350 SOFTWARE USED: PISA REMARK 350 TOTAL BURIED SURFACE AREA: 1100 ANGSTROM**2 REMARK 350 SURFACE AREA OF THE COMPLEX: 9010 ANGSTROM**2 REMARK 350 CHANGE IN SOLVENT FREE ENERGY: -54.0 KCAL/MOL 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 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 LYS A 145 CE NZ REMARK 470 LYS A 188A NZ REMARK 470 LYS A 222 CE NZ REMARK 470 LYS A 239 NZ 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 588 O HOH A 589 2.19 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 TYR A 39 147.19 -170.10 REMARK 500 ASP A 71 -81.94 -118.73 REMARK 500 ASP A 153 -50.61 72.00 REMARK 500 SER A 214 -64.38 -123.22 REMARK 500 REMARK 500 REMARK: NULL REMARK 525 REMARK 525 SOLVENT REMARK 525 REMARK 525 THE SOLVENT MOLECULES HAVE CHAIN IDENTIFIERS THAT REMARK 525 INDICATE THE POLYMER CHAIN WITH WHICH THEY ARE MOST REMARK 525 CLOSELY ASSOCIATED. THE REMARK LISTS ALL THE SOLVENT REMARK 525 MOLECULES WHICH ARE MORE THAN 5A AWAY FROM THE REMARK 525 NEAREST POLYMER CHAIN (M = MODEL NUMBER; REMARK 525 RES=RESIDUE NAME; C=CHAIN IDENTIFIER; SSEQ=SEQUENCE REMARK 525 NUMBER; I=INSERTION CODE): REMARK 525 REMARK 525 M RES CSSEQI REMARK 525 HOH A 713 DISTANCE = 5.82 ANGSTROMS REMARK 525 HOH A 714 DISTANCE = 5.88 ANGSTROMS REMARK 525 HOH A 715 DISTANCE = 5.93 ANGSTROMS REMARK 525 HOH A 716 DISTANCE = 6.33 ANGSTROMS REMARK 525 HOH A 717 DISTANCE = 6.93 ANGSTROMS REMARK 525 HOH A 718 DISTANCE = 9.54 ANGSTROMS REMARK 525 HOH A 719 DISTANCE = 11.33 ANGSTROMS REMARK 525 HOH A 720 DISTANCE = 11.36 ANGSTROMS 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 CA A 301 CA REMARK 620 N RES CSSEQI ATOM REMARK 620 1 GLU A 70 OE1 REMARK 620 2 ASN A 72 O 90.8 REMARK 620 3 VAL A 75 O 165.8 81.2 REMARK 620 4 GLU A 80 OE2 103.2 159.2 87.8 REMARK 620 5 HOH A 415 O 86.2 89.3 105.2 76.6 REMARK 620 6 HOH A 518 O 80.3 103.2 90.1 94.4 161.7 REMARK 620 N 1 2 3 4 5 REMARK 800 REMARK 800 SITE REMARK 800 SITE_IDENTIFIER: AC1 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: binding site for residue CA A 301 REMARK 800 REMARK 800 SITE_IDENTIFIER: AC2 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: binding site for residue SO4 A 302 REMARK 800 REMARK 800 SITE_IDENTIFIER: AC3 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: binding site for residue SO4 A 303 REMARK 800 REMARK 800 SITE_IDENTIFIER: AC4 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: binding site for residue SO4 A 304 REMARK 800 REMARK 800 SITE_IDENTIFIER: AC5 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: binding site for residue SO4 A 305 REMARK 800 REMARK 800 SITE_IDENTIFIER: AC6 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: binding site for residue BEN A 306 DBREF 5MNG A 16 245 UNP P00760 TRY1_BOVIN 24 246 SEQRES 1 A 223 ILE VAL GLY GLY TYR THR CYS GLY ALA ASN THR VAL PRO SEQRES 2 A 223 TYR GLN VAL SER LEU ASN SER GLY TYR HIS PHE CYS GLY SEQRES 3 A 223 GLY SER LEU ILE ASN SER GLN TRP VAL VAL SER ALA ALA SEQRES 4 A 223 HIS CYS TYR LYS SER GLY ILE GLN VAL ARG LEU GLY GLU SEQRES 5 A 223 ASP ASN ILE ASN VAL VAL GLU GLY ASN GLU GLN PHE ILE SEQRES 6 A 223 SER ALA SER LYS SER ILE VAL HIS PRO SER TYR ASN SER SEQRES 7 A 223 ASN THR LEU ASN ASN ASP ILE MET LEU ILE LYS LEU LYS SEQRES 8 A 223 SER ALA ALA SER LEU ASN SER ARG VAL ALA SER ILE SER SEQRES 9 A 223 LEU PRO THR SER CYS ALA SER ALA GLY THR GLN CYS LEU SEQRES 10 A 223 ILE SER GLY TRP GLY ASN THR LYS SER SER GLY THR SER SEQRES 11 A 223 TYR PRO ASP VAL LEU LYS CYS LEU LYS ALA PRO ILE LEU SEQRES 12 A 223 SER ASP SER SER CYS LYS SER ALA TYR PRO GLY GLN ILE SEQRES 13 A 223 THR SER ASN MET PHE CYS ALA GLY TYR LEU GLU GLY GLY SEQRES 14 A 223 LYS ASP SER CYS GLN GLY ASP SER GLY GLY PRO VAL VAL SEQRES 15 A 223 CYS SER GLY LYS LEU GLN GLY ILE VAL SER TRP GLY SER SEQRES 16 A 223 GLY CYS ALA GLN LYS ASN LYS PRO GLY VAL TYR THR LYS SEQRES 17 A 223 VAL CYS ASN TYR VAL SER TRP ILE LYS GLN THR ILE ALA SEQRES 18 A 223 SER ASN HET CA A 301 1 HET SO4 A 302 5 HET SO4 A 303 10 HET SO4 A 304 5 HET SO4 A 305 5 HET BEN A 306 21 HETNAM CA CALCIUM ION HETNAM SO4 SULFATE ION HETNAM BEN BENZAMIDINE FORMUL 2 CA CA 2+ FORMUL 3 SO4 4(O4 S 2-) FORMUL 7 BEN C7 H8 N2 FORMUL 8 HOH *320(H2 O) HELIX 1 AA1 ALA A 55 TYR A 59 5 5 HELIX 2 AA2 SER A 164 TYR A 172 1 9 HELIX 3 AA3 TYR A 234 ASN A 245 1 12 SHEET 1 AA1 7 TYR A 20 THR A 21 0 SHEET 2 AA1 7 LYS A 156 PRO A 161 -1 O CYS A 157 N TYR A 20 SHEET 3 AA1 7 GLN A 135 GLY A 140 -1 N ILE A 138 O LEU A 158 SHEET 4 AA1 7 PRO A 198 CYS A 201 -1 O VAL A 200 N LEU A 137 SHEET 5 AA1 7 LYS A 204 TRP A 215 -1 O LYS A 204 N CYS A 201 SHEET 6 AA1 7 GLY A 226 LYS A 230 -1 O VAL A 227 N TRP A 215 SHEET 7 AA1 7 MET A 180 ALA A 183 -1 N PHE A 181 O TYR A 228 SHEET 1 AA2 7 GLN A 30 ASN A 34 0 SHEET 2 AA2 7 HIS A 40 ASN A 48 -1 O CYS A 42 N LEU A 33 SHEET 3 AA2 7 TRP A 51 SER A 54 -1 O VAL A 53 N SER A 45 SHEET 4 AA2 7 MET A 104 LEU A 108 -1 O ILE A 106 N VAL A 52 SHEET 5 AA2 7 GLN A 81 VAL A 90 -1 N ILE A 89 O LEU A 105 SHEET 6 AA2 7 GLN A 64 LEU A 67 -1 N LEU A 67 O GLN A 81 SHEET 7 AA2 7 GLN A 30 ASN A 34 -1 N SER A 32 O ARG A 66 SSBOND 1 CYS A 22 CYS A 157 1555 1555 2.06 SSBOND 2 CYS A 42 CYS A 58 1555 1555 2.05 SSBOND 3 CYS A 128 CYS A 232 1555 1555 2.06 SSBOND 4 CYS A 136 CYS A 201 1555 1555 2.02 SSBOND 5 CYS A 168 CYS A 182 1555 1555 2.04 SSBOND 6 CYS A 191 CYS A 220 1555 1555 2.04 LINK OE1 GLU A 70 CA CA A 301 1555 1555 2.26 LINK O ASN A 72 CA CA A 301 1555 1555 2.32 LINK O VAL A 75 CA CA A 301 1555 1555 2.29 LINK OE2 GLU A 80 CA CA A 301 1555 1555 2.33 LINK CA CA A 301 O HOH A 415 1555 1555 2.38 LINK CA CA A 301 O HOH A 518 1555 1555 2.34 SITE 1 AC1 6 GLU A 70 ASN A 72 VAL A 75 GLU A 80 SITE 2 AC1 6 HOH A 415 HOH A 518 SITE 1 AC2 5 HIS A 57 GLN A 192 GLY A 193 SER A 195 SITE 2 AC2 5 HOH A 460 SITE 1 AC3 7 LYS A 169 PRO A 173 GLY A 174 HOH A 419 SITE 2 AC3 7 HOH A 430 HOH A 476 HOH A 560 SITE 1 AC4 9 LYS A 87 LYS A 107 THR A 149 TYR A 151 SITE 2 AC4 9 HOH A 406 HOH A 423 HOH A 453 HOH A 627 SITE 3 AC4 9 HOH A 633 SITE 1 AC5 9 PRO A 124 THR A 125 SER A 127 SER A 147 SITE 2 AC5 9 GLY A 148 LYS A 204 HOH A 530 HOH A 544 SITE 3 AC5 9 HOH A 585 SITE 1 AC6 12 ASP A 189 SER A 190 CYS A 191 GLN A 192 SITE 2 AC6 12 SER A 195 TRP A 215 GLY A 216 GLY A 219 SITE 3 AC6 12 CYS A 220 GLY A 226 HOH A 472 HOH A 570 CRYST1 54.486 58.177 66.833 90.00 90.00 90.00 P 21 21 21 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 0.018353 0.000000 0.000000 0.00000 SCALE2 0.000000 0.017189 0.000000 0.00000 SCALE3 0.000000 0.000000 0.014963 0.00000