HEADER HYDROLASE 25-JUN-24 9FTY TITLE SERIAL MICROSECONDS CRYSTALLOGRAPHY AT ID29 USING FIXED-TARGET (SMALL TITLE 2 FOILS): PROTEINASE K WITH 20 UM SPACING BETWEEN X-RAY PULSES COMPND MOL_ID: 1; COMPND 2 MOLECULE: PROTEINASE K; COMPND 3 CHAIN: A; COMPND 4 SYNONYM: ENDOPEPTIDASE K,TRITIRACHIUM ALKALINE PROTEINASE; COMPND 5 EC: 3.4.21.64; COMPND 6 ENGINEERED: YES SOURCE MOL_ID: 1; SOURCE 2 ORGANISM_SCIENTIFIC: PARENGYODONTIUM ALBUM; SOURCE 3 ORGANISM_TAXID: 37998; SOURCE 4 GENE: PROK; SOURCE 5 EXPRESSION_SYSTEM: KOMAGATAELLA PASTORIS; SOURCE 6 EXPRESSION_SYSTEM_TAXID: 4922 KEYWDS SERIAL CRYSTALLOGRAPHY, SERIAL MICROSECOND CRYSTALLOGRAPHY, ROOM KEYWDS 2 TEMPERATURE, ID29, ESRF-EBS, HYDROLASE EXPDTA X-RAY DIFFRACTION AUTHOR J.ORLANS,S.L.ROSE,S.BASU,D.DE SANCTIS REVDAT 1 22-JAN-25 9FTY 0 JRNL AUTH J.ORLANS,S.L.ROSE,G.FERGUSON,M.OSCARSSON,A.HOMS PURON, JRNL AUTH 2 A.BETEVA,S.DEBIONNE,P.THEVENEAU,N.COQUELLE,J.KIEFFER, JRNL AUTH 3 P.BUSCA,J.SINOIR,V.ARMIJO,M.LOPEZ MARRERO,F.FELISAZ,G.PAPP, JRNL AUTH 4 H.GONZALEZ,H.CASEROTTO,F.DOBIAS,J.GIGMES,G.LEBON,S.BASU, JRNL AUTH 5 D.DE SANCTIS JRNL TITL ADVANCING MACROMOLECULAR STRUCTURE DETERMINATION WITH JRNL TITL 2 MICROSECOND X-RAY PULSES AT A 4TH GENERATION SYNCHROTRON. JRNL REF COMMUN CHEM V. 8 6 2025 JRNL REFN ESSN 2399-3669 JRNL PMID 39775172 JRNL DOI 10.1038/S42004-024-01404-Y REMARK 2 REMARK 2 RESOLUTION. 2.00 ANGSTROMS. REMARK 3 REMARK 3 REFINEMENT. REMARK 3 PROGRAM : PHENIX 1.21_5207 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 : GEOSTD + MONOMER LIBRARY + CDL V1.2 REMARK 3 REMARK 3 DATA USED IN REFINEMENT. REMARK 3 RESOLUTION RANGE HIGH (ANGSTROMS) : 2.00 REMARK 3 RESOLUTION RANGE LOW (ANGSTROMS) : 58.13 REMARK 3 MIN(FOBS/SIGMA_FOBS) : 1.340 REMARK 3 COMPLETENESS FOR RANGE (%) : 99.7 REMARK 3 NUMBER OF REFLECTIONS : 18251 REMARK 3 REMARK 3 FIT TO DATA USED IN REFINEMENT. REMARK 3 R VALUE (WORKING + TEST SET) : 0.243 REMARK 3 R VALUE (WORKING SET) : 0.240 REMARK 3 FREE R VALUE : 0.262 REMARK 3 FREE R VALUE TEST SET SIZE (%) : 9.990 REMARK 3 FREE R VALUE TEST SET COUNT : 1823 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 58.1300 - 4.7000 0.99 1390 156 0.2166 0.2140 REMARK 3 2 4.7000 - 3.7300 0.99 1295 143 0.1880 0.1933 REMARK 3 3 3.7300 - 3.2600 1.00 1276 138 0.2082 0.2458 REMARK 3 4 3.2600 - 2.9600 1.00 1271 141 0.2298 0.2694 REMARK 3 5 2.9600 - 2.7500 1.00 1248 140 0.2456 0.2364 REMARK 3 6 2.7500 - 2.5900 1.00 1263 139 0.2408 0.2586 REMARK 3 7 2.5900 - 2.4600 1.00 1249 139 0.2520 0.2720 REMARK 3 8 2.4600 - 2.3500 1.00 1247 138 0.2594 0.2937 REMARK 3 9 2.3500 - 2.2600 1.00 1243 138 0.2593 0.2952 REMARK 3 10 2.2600 - 2.1800 1.00 1240 137 0.2639 0.3140 REMARK 3 11 2.1800 - 2.1100 1.00 1217 136 0.3023 0.3208 REMARK 3 12 2.1100 - 2.0500 1.00 1247 140 0.3225 0.3761 REMARK 3 13 2.0500 - 2.0000 1.00 1242 138 0.3530 0.3759 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) : 0.305 REMARK 3 PHASE ERROR (DEGREES, MAXIMUM-LIKELIHOOD BASED) : 26.857 REMARK 3 REMARK 3 B VALUES. REMARK 3 FROM WILSON PLOT (A**2) : 17.29 REMARK 3 MEAN B VALUE (OVERALL, A**2) : 15.87 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 : 0.002 2031 REMARK 3 ANGLE : 0.421 2767 REMARK 3 CHIRALITY : 0.040 312 REMARK 3 PLANARITY : 0.003 365 REMARK 3 DIHEDRAL : 10.520 683 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 9FTY COMPLIES WITH FORMAT V. 3.30, 13-JUL-11 REMARK 100 REMARK 100 THIS ENTRY HAS BEEN PROCESSED BY PDBE ON 25-JUN-24. REMARK 100 THE DEPOSITION ID IS D_1292139622. REMARK 200 REMARK 200 EXPERIMENTAL DETAILS REMARK 200 EXPERIMENT TYPE : X-RAY DIFFRACTION REMARK 200 DATE OF DATA COLLECTION : 07-MAR-24 REMARK 200 TEMPERATURE (KELVIN) : 293 REMARK 200 PH : 6.5 REMARK 200 NUMBER OF CRYSTALS USED : 1 REMARK 200 REMARK 200 SYNCHROTRON (Y/N) : Y REMARK 200 RADIATION SOURCE : ESRF REMARK 200 BEAMLINE : ID29 REMARK 200 X-RAY GENERATOR MODEL : NULL REMARK 200 MONOCHROMATIC OR LAUE (M/L) : M REMARK 200 WAVELENGTH OR RANGE (A) : 1.072 REMARK 200 MONOCHROMATOR : NULL REMARK 200 OPTICS : NULL REMARK 200 REMARK 200 DETECTOR TYPE : PIXEL REMARK 200 DETECTOR MANUFACTURER : PSI JUNGFRAU 4M REMARK 200 INTENSITY-INTEGRATION SOFTWARE : CRYSTFEL REMARK 200 DATA SCALING SOFTWARE : CRYSTFEL REMARK 200 REMARK 200 NUMBER OF UNIQUE REFLECTIONS : 18372 REMARK 200 RESOLUTION RANGE HIGH (A) : 2.000 REMARK 200 RESOLUTION RANGE LOW (A) : 58.130 REMARK 200 REJECTION CRITERIA (SIGMA(I)) : NULL REMARK 200 REMARK 200 OVERALL. REMARK 200 COMPLETENESS FOR RANGE (%) : 100.0 REMARK 200 DATA REDUNDANCY : 133.0 REMARK 200 R MERGE (I) : NULL REMARK 200 R SYM (I) : NULL REMARK 200 <I/SIGMA(I)> FOR THE DATA SET : 3.9400 REMARK 200 REMARK 200 IN THE HIGHEST RESOLUTION SHELL. REMARK 200 HIGHEST RESOLUTION SHELL, RANGE HIGH (A) : 2.00 REMARK 200 HIGHEST RESOLUTION SHELL, RANGE LOW (A) : 2.03 REMARK 200 COMPLETENESS FOR SHELL (%) : NULL 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: PHASER REMARK 200 STARTING MODEL: NULL REMARK 200 REMARK 200 REMARK: NULL REMARK 280 REMARK 280 CRYSTAL REMARK 280 SOLVENT CONTENT, VS (%): 44.73 REMARK 280 MATTHEWS COEFFICIENT, VM (ANGSTROMS**3/DA): 2.23 REMARK 280 REMARK 280 CRYSTALLIZATION CONDITIONS: 0.1 M MES PH 6.5, 0.5 M SODIUM REMARK 280 NITRATE, 0.1 M CALCIUM CHLORIDE, BATCH MODE, TEMPERATURE 293K REMARK 290 REMARK 290 CRYSTALLOGRAPHIC SYMMETRY REMARK 290 SYMMETRY OPERATORS FOR SPACE GROUP: P 43 21 2 REMARK 290 REMARK 290 SYMOP SYMMETRY REMARK 290 NNNMMM OPERATOR REMARK 290 1555 X,Y,Z REMARK 290 2555 -X,-Y,Z+1/2 REMARK 290 3555 -Y+1/2,X+1/2,Z+3/4 REMARK 290 4555 Y+1/2,-X+1/2,Z+1/4 REMARK 290 5555 -X+1/2,Y+1/2,-Z+3/4 REMARK 290 6555 X+1/2,-Y+1/2,-Z+1/4 REMARK 290 7555 Y,X,-Z REMARK 290 8555 -Y,-X,-Z+1/2 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 0.00000 REMARK 290 SMTRY3 2 0.000000 0.000000 1.000000 54.48500 REMARK 290 SMTRY1 3 0.000000 -1.000000 0.000000 34.36000 REMARK 290 SMTRY2 3 1.000000 0.000000 0.000000 34.36000 REMARK 290 SMTRY3 3 0.000000 0.000000 1.000000 81.72750 REMARK 290 SMTRY1 4 0.000000 1.000000 0.000000 34.36000 REMARK 290 SMTRY2 4 -1.000000 0.000000 0.000000 34.36000 REMARK 290 SMTRY3 4 0.000000 0.000000 1.000000 27.24250 REMARK 290 SMTRY1 5 -1.000000 0.000000 0.000000 34.36000 REMARK 290 SMTRY2 5 0.000000 1.000000 0.000000 34.36000 REMARK 290 SMTRY3 5 0.000000 0.000000 -1.000000 81.72750 REMARK 290 SMTRY1 6 1.000000 0.000000 0.000000 34.36000 REMARK 290 SMTRY2 6 0.000000 -1.000000 0.000000 34.36000 REMARK 290 SMTRY3 6 0.000000 0.000000 -1.000000 27.24250 REMARK 290 SMTRY1 7 0.000000 1.000000 0.000000 0.00000 REMARK 290 SMTRY2 7 1.000000 0.000000 0.000000 0.00000 REMARK 290 SMTRY3 7 0.000000 0.000000 -1.000000 0.00000 REMARK 290 SMTRY1 8 0.000000 -1.000000 0.000000 0.00000 REMARK 290 SMTRY2 8 -1.000000 0.000000 0.000000 0.00000 REMARK 290 SMTRY3 8 0.000000 0.000000 -1.000000 54.48500 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 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 375 REMARK 375 SPECIAL POSITION REMARK 375 THE FOLLOWING ATOMS ARE FOUND TO BE WITHIN 0.15 ANGSTROMS REMARK 375 OF A SYMMETRY RELATED ATOM AND ARE ASSUMED TO BE ON SPECIAL REMARK 375 POSITIONS. REMARK 375 REMARK 375 ATOM RES CSSEQI REMARK 375 HOH A 635 LIES ON A SPECIAL POSITION. 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 ASN A 5 CG OD1 ND2 REMARK 470 GLN A 31 CG CD OE1 NE2 REMARK 470 ARG A 64 CG CD NE CZ NH1 NH2 REMARK 470 ARG A 80 CG CD NE CZ NH1 NH2 REMARK 470 GLN A 103 CG CD OE1 NE2 REMARK 470 ARG A 167 CG CD NE CZ NH1 NH2 REMARK 470 ARG A 250 CG CD NE CZ NH1 NH2 REMARK 470 LYS A 258 CG CD CE NZ REMARK 470 GLN A 278 CG CD OE1 NE2 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 OD1 ASP A 165 O HOH A 601 2.17 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 ASP A 39 -143.25 -156.01 REMARK 500 ASN A 270 74.60 -110.50 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 772 DISTANCE = 5.99 ANGSTROMS REMARK 525 HOH A 773 DISTANCE = 7.05 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 502 CA REMARK 620 N RES CSSEQI ATOM REMARK 620 1 THR A 16 O REMARK 620 2 ASP A 260 OD1 139.3 REMARK 620 3 ASP A 260 OD2 87.3 52.0 REMARK 620 4 HOH A 657 O 74.9 93.1 76.8 REMARK 620 5 HOH A 707 O 72.3 148.3 159.3 100.5 REMARK 620 6 HOH A 735 O 88.9 94.2 95.1 162.1 81.3 REMARK 620 N 1 2 3 4 5 REMARK 620 REMARK 620 COORDINATION ANGLES FOR: M RES CSSEQI METAL REMARK 620 CA A 501 CA REMARK 620 N RES CSSEQI ATOM REMARK 620 1 PRO A 175 O REMARK 620 2 VAL A 177 O 87.6 REMARK 620 3 ASP A 200 OD1 148.3 119.4 REMARK 620 4 ASP A 200 OD2 160.1 78.9 51.0 REMARK 620 5 HOH A 618 O 83.2 68.0 120.7 78.2 REMARK 620 6 HOH A 646 O 94.8 142.7 74.1 87.4 75.2 REMARK 620 7 HOH A 713 O 73.2 143.5 75.1 125.9 136.8 71.3 REMARK 620 8 HOH A 727 O 86.3 79.4 83.2 105.3 146.0 138.0 68.8 REMARK 620 N 1 2 3 4 5 6 7 DBREF 9FTY A 1 279 UNP P06873 PRTK_PARAQ 106 384 SEQADV 9FTY ASP A 207 UNP P06873 SER 312 CONFLICT SEQRES 1 A 279 ALA ALA GLN THR ASN ALA PRO TRP GLY LEU ALA ARG ILE SEQRES 2 A 279 SER SER THR SER PRO GLY THR SER THR TYR TYR TYR ASP SEQRES 3 A 279 GLU SER ALA GLY GLN GLY SER CYS VAL TYR VAL ILE ASP SEQRES 4 A 279 THR GLY ILE GLU ALA SER HIS PRO GLU PHE GLU GLY ARG SEQRES 5 A 279 ALA GLN MET VAL LYS THR TYR TYR TYR SER SER ARG ASP SEQRES 6 A 279 GLY ASN GLY HIS GLY THR HIS CYS ALA GLY THR VAL GLY SEQRES 7 A 279 SER ARG THR TYR GLY VAL ALA LYS LYS THR GLN LEU PHE SEQRES 8 A 279 GLY VAL LYS VAL LEU ASP ASP ASN GLY SER GLY GLN TYR SEQRES 9 A 279 SER THR ILE ILE ALA GLY MET ASP PHE VAL ALA SER ASP SEQRES 10 A 279 LYS ASN ASN ARG ASN CYS PRO LYS GLY VAL VAL ALA SER SEQRES 11 A 279 LEU SER LEU GLY GLY GLY TYR SER SER SER VAL ASN SER SEQRES 12 A 279 ALA ALA ALA ARG LEU GLN SER SER GLY VAL MET VAL ALA SEQRES 13 A 279 VAL ALA ALA GLY ASN ASN ASN ALA ASP ALA ARG ASN TYR SEQRES 14 A 279 SER PRO ALA SER GLU PRO SER VAL CYS THR VAL GLY ALA SEQRES 15 A 279 SER ASP ARG TYR ASP ARG ARG SER SER PHE SER ASN TYR SEQRES 16 A 279 GLY SER VAL LEU ASP ILE PHE GLY PRO GLY THR ASP ILE SEQRES 17 A 279 LEU SER THR TRP ILE GLY GLY SER THR ARG SER ILE SER SEQRES 18 A 279 GLY THR SER MET ALA THR PRO HIS VAL ALA GLY LEU ALA SEQRES 19 A 279 ALA TYR LEU MET THR LEU GLY LYS THR THR ALA ALA SER SEQRES 20 A 279 ALA CYS ARG TYR ILE ALA ASP THR ALA ASN LYS GLY ASP SEQRES 21 A 279 LEU SER ASN ILE PRO PHE GLY THR VAL ASN LEU LEU ALA SEQRES 22 A 279 TYR ASN ASN TYR GLN ALA HET CA A 501 1 HET CA A 502 1 HET NO3 A 503 4 HETNAM CA CALCIUM ION HETNAM NO3 NITRATE ION FORMUL 2 CA 2(CA 2+) FORMUL 4 NO3 N O3 1- FORMUL 5 HOH *173(H2 O) HELIX 1 AA1 PRO A 7 ILE A 13 1 7 HELIX 2 AA2 HIS A 46 GLU A 50 5 5 HELIX 3 AA3 GLY A 68 SER A 79 1 12 HELIX 4 AA4 GLN A 103 LYS A 118 1 16 HELIX 5 AA5 ASN A 119 ARG A 121 5 3 HELIX 6 AA6 SER A 138 SER A 151 1 14 HELIX 7 AA7 ASP A 165 ARG A 167 5 3 HELIX 8 AA8 GLY A 222 LEU A 240 1 19 HELIX 9 AA9 SER A 247 THR A 255 1 9 SHEET 1 AA1 2 ALA A 2 GLN A 3 0 SHEET 2 AA1 2 TYR A 23 TYR A 24 -1 O TYR A 23 N GLN A 3 SHEET 1 AA2 7 ALA A 53 THR A 58 0 SHEET 2 AA2 7 GLN A 89 LYS A 94 1 O LYS A 94 N LYS A 57 SHEET 3 AA2 7 SER A 33 ASP A 39 1 N VAL A 37 O PHE A 91 SHEET 4 AA2 7 GLY A 126 LEU A 131 1 O VAL A 128 N TYR A 36 SHEET 5 AA2 7 MET A 154 ALA A 158 1 O MET A 154 N ALA A 129 SHEET 6 AA2 7 CYS A 178 SER A 183 1 O CYS A 178 N VAL A 157 SHEET 7 AA2 7 ILE A 201 PRO A 204 1 O ILE A 201 N GLY A 181 SHEET 1 AA3 2 GLY A 135 GLY A 136 0 SHEET 2 AA3 2 TYR A 169 SER A 170 -1 O SER A 170 N GLY A 135 SHEET 1 AA4 2 ILE A 208 TRP A 212 0 SHEET 2 AA4 2 SER A 216 ILE A 220 -1 O ILE A 220 N ILE A 208 SHEET 1 AA5 2 ASN A 257 LYS A 258 0 SHEET 2 AA5 2 LEU A 271 LEU A 272 -1 O LEU A 272 N ASN A 257 SSBOND 1 CYS A 34 CYS A 123 1555 1555 2.03 SSBOND 2 CYS A 178 CYS A 249 1555 1555 2.03 LINK O THR A 16 CA CA A 502 1555 1555 2.43 LINK O PRO A 175 CA CA A 501 1555 1555 2.43 LINK O VAL A 177 CA CA A 501 1555 1555 2.40 LINK OD1 ASP A 200 CA CA A 501 1555 1555 2.60 LINK OD2 ASP A 200 CA CA A 501 1555 1555 2.49 LINK OD1 ASP A 260 CA CA A 502 1555 1555 2.65 LINK OD2 ASP A 260 CA CA A 502 1555 1555 2.32 LINK CA CA A 501 O HOH A 618 1555 1555 2.59 LINK CA CA A 501 O HOH A 646 1555 1555 2.72 LINK CA CA A 501 O HOH A 713 1555 1555 2.66 LINK CA CA A 501 O HOH A 727 1555 1555 2.57 LINK CA CA A 502 O HOH A 657 1555 1555 2.34 LINK CA CA A 502 O HOH A 707 1555 1555 2.65 LINK CA CA A 502 O HOH A 735 1555 1555 2.40 CISPEP 1 SER A 170 PRO A 171 0 0.63 CRYST1 68.720 68.720 108.970 90.00 90.00 90.00 P 43 21 2 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 0.014552 0.000000 0.000000 0.00000 SCALE2 0.000000 0.014552 0.000000 0.00000 SCALE3 0.000000 0.000000 0.009177 0.00000