HEADER HYDROLASE 03-JUN-26 27IQ TITLE CRYSTAL STRUCTURE OF THE MATURE FORM OF HUMAN ASPRV1 BOUND TO TITLE 2 FILAGGRIN PEPTIDE COMPND MOL_ID: 1; COMPND 2 MOLECULE: RETROVIRAL-LIKE ASPARTIC PROTEASE 1; COMPND 3 CHAIN: A, B; COMPND 4 SYNONYM: SKIN-SPECIFIC RETROVIRAL-LIKE ASPARTIC PROTEASE,SASPASE,SKIN COMPND 5 ASPARTIC PROTEASE,TPA-INDUCIBLE ASPARTIC PROTEINASE-LIKE PROTEIN, COMPND 6 TAPS; COMPND 7 EC: 3.4.23.-; COMPND 8 ENGINEERED: YES SOURCE MOL_ID: 1; SOURCE 2 ORGANISM_SCIENTIFIC: HOMO SAPIENS; SOURCE 3 ORGANISM_COMMON: HUMAN; SOURCE 4 ORGANISM_TAXID: 9606; SOURCE 5 GENE: ASPRV1, SASP; SOURCE 6 EXPRESSION_SYSTEM: ESCHERICHIA COLI BL21(DE3); SOURCE 7 EXPRESSION_SYSTEM_TAXID: 469008 KEYWDS RETROVIRAL-LIKE ASPARTIC PROTEASE, HYDROLASE EXPDTA X-RAY DIFFRACTION AUTHOR Z.CHEN,X.FENG,J.DING REVDAT 1 02-SEP-26 27IQ 0 JRNL AUTH X.FENG,Z.CHEN,C.LAN,J.DING JRNL TITL STRUCTURE AND ENZYMATIC PROPERTIES OF HUMAN RETROVIRAL-LIKE JRNL TITL 2 ASPARTIC PROTEASE 1 AND FUNCTIONAL ROLES OF JRNL TITL 3 DISEASE-ASSOCIATED MUTATIONS. JRNL REF ACTA BIOCHIM.BIOPHYS.SIN. 2026 JRNL REFN ESSN 1745-7270 JRNL PMID 42593882 JRNL DOI 10.3724/ABBS.2026141 REMARK 2 REMARK 2 RESOLUTION. 2.09 ANGSTROMS. REMARK 3 REMARK 3 REFINEMENT. REMARK 3 PROGRAM : PHENIX 1.21.2_5419 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) : 2.09 REMARK 3 RESOLUTION RANGE LOW (ANGSTROMS) : 22.74 REMARK 3 MIN(FOBS/SIGMA_FOBS) : 1.340 REMARK 3 COMPLETENESS FOR RANGE (%) : 99.0 REMARK 3 NUMBER OF REFLECTIONS : 28607 REMARK 3 REMARK 3 FIT TO DATA USED IN REFINEMENT. REMARK 3 R VALUE (WORKING + TEST SET) : 0.265 REMARK 3 R VALUE (WORKING SET) : 0.262 REMARK 3 FREE R VALUE : 0.292 REMARK 3 FREE R VALUE TEST SET SIZE (%) : 10.030 REMARK 3 FREE R VALUE TEST SET COUNT : 2868 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 22.7400 - 5.6500 0.91 1183 139 0.2413 0.3321 REMARK 3 2 5.6500 - 4.5000 0.99 1286 148 0.2335 0.2018 REMARK 3 3 4.4900 - 3.9300 1.00 1298 152 0.2130 0.2220 REMARK 3 4 3.9300 - 3.5700 0.99 1288 133 0.2352 0.2520 REMARK 3 5 3.5700 - 3.3200 1.00 1294 143 0.2366 0.3199 REMARK 3 6 3.3200 - 3.1200 1.00 1299 145 0.2677 0.3258 REMARK 3 7 3.1200 - 2.9700 1.00 1290 144 0.2566 0.3519 REMARK 3 8 2.9700 - 2.8400 1.00 1294 142 0.2830 0.2639 REMARK 3 9 2.8400 - 2.7300 1.00 1311 146 0.2543 0.2831 REMARK 3 10 2.7300 - 2.6300 0.99 1278 142 0.2744 0.3493 REMARK 3 11 2.6300 - 2.5500 1.00 1273 139 0.2830 0.4371 REMARK 3 12 2.5500 - 2.4800 1.00 1345 142 0.2759 0.3233 REMARK 3 13 2.4800 - 2.4100 1.00 1271 140 0.2918 0.2959 REMARK 3 14 2.4100 - 2.3500 0.99 1302 152 0.3155 0.2946 REMARK 3 15 2.3500 - 2.3000 0.99 1281 143 0.3225 0.3077 REMARK 3 16 2.3000 - 2.2500 1.00 1298 142 0.3258 0.3247 REMARK 3 17 2.2500 - 2.2100 1.00 1293 147 0.3224 0.3701 REMARK 3 18 2.2100 - 2.1700 1.00 1287 144 0.3693 0.4226 REMARK 3 19 2.1700 - 2.1300 1.00 1294 144 0.3783 0.3890 REMARK 3 20 2.1300 - 2.0900 0.97 1274 141 0.4035 0.4661 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) : 0.239 REMARK 3 PHASE ERROR (DEGREES, MAXIMUM-LIKELIHOOD BASED) : 46.080 REMARK 3 REMARK 3 B VALUES. REMARK 3 FROM WILSON PLOT (A**2) : 38.94 REMARK 3 MEAN B VALUE (OVERALL, A**2) : 42.84 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 2092 REMARK 3 ANGLE : 1.069 2829 REMARK 3 CHIRALITY : 0.065 329 REMARK 3 PLANARITY : 0.024 358 REMARK 3 DIHEDRAL : 16.803 758 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 27IQ COMPLIES WITH FORMAT V. 3.30, 13-JUL-11 REMARK 100 REMARK 100 THIS ENTRY HAS BEEN PROCESSED BY PDBC ON 10-JUN-26. REMARK 100 THE DEPOSITION ID IS D_1300075091. REMARK 200 REMARK 200 EXPERIMENTAL DETAILS REMARK 200 EXPERIMENT TYPE : X-RAY DIFFRACTION REMARK 200 DATE OF DATA COLLECTION : 13-JAN-26 REMARK 200 TEMPERATURE (KELVIN) : 193 REMARK 200 PH : NULL REMARK 200 NUMBER OF CRYSTALS USED : 1 REMARK 200 REMARK 200 SYNCHROTRON (Y/N) : Y REMARK 200 RADIATION SOURCE : SSRF REMARK 200 BEAMLINE : BL02U1 REMARK 200 X-RAY GENERATOR MODEL : NULL REMARK 200 MONOCHROMATIC OR LAUE (M/L) : M REMARK 200 WAVELENGTH OR RANGE (A) : 0.97918 REMARK 200 MONOCHROMATOR : NULL REMARK 200 OPTICS : NULL REMARK 200 REMARK 200 DETECTOR TYPE : PIXEL REMARK 200 DETECTOR MANUFACTURER : DECTRIS EIGER2 S 16M REMARK 200 INTENSITY-INTEGRATION SOFTWARE : NULL REMARK 200 DATA SCALING SOFTWARE : NULL REMARK 200 REMARK 200 NUMBER OF UNIQUE REFLECTIONS : 28780 REMARK 200 RESOLUTION RANGE HIGH (A) : 2.090 REMARK 200 RESOLUTION RANGE LOW (A) : 38.600 REMARK 200 REJECTION CRITERIA (SIGMA(I)) : NULL REMARK 200 REMARK 200 OVERALL. REMARK 200 COMPLETENESS FOR RANGE (%) : 97.7 REMARK 200 DATA REDUNDANCY : 9.800 REMARK 200 R MERGE (I) : NULL REMARK 200 R SYM (I) : NULL REMARK 200 FOR THE DATA SET : 11.6000 REMARK 200 REMARK 200 IN THE HIGHEST RESOLUTION SHELL. REMARK 200 HIGHEST RESOLUTION SHELL, RANGE HIGH (A) : 2.09 REMARK 200 HIGHEST RESOLUTION SHELL, RANGE LOW (A) : 2.13 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 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: NULL REMARK 200 STARTING MODEL: NULL REMARK 200 REMARK 200 REMARK: NULL REMARK 280 REMARK 280 CRYSTAL REMARK 280 SOLVENT CONTENT, VS (%): 41.97 REMARK 280 MATTHEWS COEFFICIENT, VM (ANGSTROMS**3/DA): 2.12 REMARK 280 REMARK 280 CRYSTALLIZATION CONDITIONS: 0.1 M CALCIUM CHLORIDE DIHYDRATE, 0.1 REMARK 280 M SODIUM ACETATE TRIHYDRATE, PH 4.6, AND 30% (W/V) PEG 4000, REMARK 280 VAPOR DIFFUSION, HANGING DROP, TEMPERATURE 289K 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 25.50200 REMARK 290 SMTRY2 2 0.000000 -1.000000 0.000000 0.00000 REMARK 290 SMTRY3 2 0.000000 0.000000 1.000000 38.11050 REMARK 290 SMTRY1 3 -1.000000 0.000000 0.000000 0.00000 REMARK 290 SMTRY2 3 0.000000 1.000000 0.000000 32.46450 REMARK 290 SMTRY3 3 0.000000 0.000000 -1.000000 38.11050 REMARK 290 SMTRY1 4 1.000000 0.000000 0.000000 25.50200 REMARK 290 SMTRY2 4 0.000000 -1.000000 0.000000 32.46450 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: DIMERIC REMARK 350 SOFTWARE DETERMINED QUATERNARY STRUCTURE: DIMERIC REMARK 350 SOFTWARE USED: PISA REMARK 350 TOTAL BURIED SURFACE AREA: 4130 ANGSTROM**2 REMARK 350 SURFACE AREA OF THE COMPLEX: 12270 ANGSTROM**2 REMARK 350 CHANGE IN SOLVENT FREE ENERGY: -31.0 KCAL/MOL REMARK 350 APPLY THE FOLLOWING TO CHAINS: A, 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 GLY B 316 REMARK 465 GLY B 317 REMARK 465 SER B 318 REMARK 465 LEU B 319 REMARK 465 GLU B 320 REMARK 465 ASP B 321 REMARK 465 GLY B 322 REMARK 465 SER B 323 REMARK 465 PHE B 324 REMARK 465 LEU B 325 REMARK 465 TYR B 326 REMARK 465 GLN B 327 REMARK 465 VAL B 328 REMARK 465 SER B 329 REMARK 465 THR B 330 REMARK 465 HIS B 331 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 THR A 259 -154.38 -150.65 REMARK 500 TYR A 326 45.75 -95.13 REMARK 500 THR B 259 -153.20 -150.49 REMARK 500 REMARK 500 REMARK: NULL REMARK 500 REMARK 500 GEOMETRY AND STEREOCHEMISTRY REMARK 500 SUBTOPIC: PLANAR GROUPS REMARK 500 REMARK 500 PLANAR GROUPS IN THE FOLLOWING RESIDUES HAVE A TOTAL REMARK 500 RMS DISTANCE OF ALL ATOMS FROM THE BEST-FIT PLANE REMARK 500 BY MORE THAN AN EXPECTED VALUE OF 6*RMSD, WITH AN REMARK 500 RMSD 0.02 ANGSTROMS, OR AT LEAST ONE ATOM HAS REMARK 500 AN RMSD GREATER THAN THIS VALUE REMARK 500 (M=MODEL NUMBER; RES=RESIDUE NAME; C=CHAIN IDENTIFIER; REMARK 500 SSEQ=SEQUENCE NUMBER; I=INSERTION CODE). REMARK 500 REMARK 500 M RES CSSEQI RMS TYPE REMARK 500 ARG A 301 0.20 SIDE CHAIN REMARK 500 ARG B 301 0.17 SIDE CHAIN 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 527 DISTANCE = 7.64 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 401 CA REMARK 620 N RES CSSEQI ATOM REMARK 620 1 ASP A 230 OD2 REMARK 620 2 GLN A 290 O 22.9 REMARK 620 3 ASN A 293 OD1 20.2 3.8 REMARK 620 N 1 2 REMARK 620 REMARK 620 COORDINATION ANGLES FOR: M RES CSSEQI METAL REMARK 620 CA A 402 CA REMARK 620 N RES CSSEQI ATOM REMARK 620 1 GLU A 299 OE1 REMARK 620 2 ASP B 230 OD2 162.9 REMARK 620 3 GLN B 290 O 142.9 29.5 REMARK 620 4 ASN B 293 OD1 73.4 89.6 84.6 REMARK 620 N 1 2 3 DBREF 27IQ A 191 321 UNP Q53RT3 APRV1_HUMAN 191 321 DBREF 27IQ B 191 321 UNP Q53RT3 APRV1_HUMAN 191 321 SEQADV 27IQ SER A 190 UNP Q53RT3 EXPRESSION TAG SEQADV 27IQ ASN A 212 UNP Q53RT3 ASP 212 CONFLICT SEQADV 27IQ GLY A 322 UNP Q53RT3 EXPRESSION TAG SEQADV 27IQ SER A 323 UNP Q53RT3 EXPRESSION TAG SEQADV 27IQ PHE A 324 UNP Q53RT3 EXPRESSION TAG SEQADV 27IQ LEU A 325 UNP Q53RT3 EXPRESSION TAG SEQADV 27IQ TYR A 326 UNP Q53RT3 EXPRESSION TAG SEQADV 27IQ GLN A 327 UNP Q53RT3 EXPRESSION TAG SEQADV 27IQ VAL A 328 UNP Q53RT3 EXPRESSION TAG SEQADV 27IQ SER A 329 UNP Q53RT3 EXPRESSION TAG SEQADV 27IQ THR A 330 UNP Q53RT3 EXPRESSION TAG SEQADV 27IQ HIS A 331 UNP Q53RT3 EXPRESSION TAG SEQADV 27IQ SER B 190 UNP Q53RT3 EXPRESSION TAG SEQADV 27IQ ASN B 212 UNP Q53RT3 ASP 212 CONFLICT SEQADV 27IQ GLY B 322 UNP Q53RT3 EXPRESSION TAG SEQADV 27IQ SER B 323 UNP Q53RT3 EXPRESSION TAG SEQADV 27IQ PHE B 324 UNP Q53RT3 EXPRESSION TAG SEQADV 27IQ LEU B 325 UNP Q53RT3 EXPRESSION TAG SEQADV 27IQ TYR B 326 UNP Q53RT3 EXPRESSION TAG SEQADV 27IQ GLN B 327 UNP Q53RT3 EXPRESSION TAG SEQADV 27IQ VAL B 328 UNP Q53RT3 EXPRESSION TAG SEQADV 27IQ SER B 329 UNP Q53RT3 EXPRESSION TAG SEQADV 27IQ THR B 330 UNP Q53RT3 EXPRESSION TAG SEQADV 27IQ HIS B 331 UNP Q53RT3 EXPRESSION TAG SEQRES 1 A 142 SER SER MET GLY LYS GLY TYR TYR LEU LYS GLY LYS ILE SEQRES 2 A 142 GLY LYS VAL PRO VAL ARG PHE LEU VAL ASN SER GLY ALA SEQRES 3 A 142 GLN VAL SER VAL VAL HIS PRO ASN LEU TRP GLU GLU VAL SEQRES 4 A 142 THR ASP GLY ASP LEU ASP THR LEU GLN PRO PHE GLU ASN SEQRES 5 A 142 VAL VAL LYS VAL ALA ASN GLY ALA GLU MET LYS ILE LEU SEQRES 6 A 142 GLY VAL TRP ASP THR ALA VAL SER LEU GLY LYS LEU LYS SEQRES 7 A 142 LEU LYS ALA GLN PHE LEU VAL ALA ASN ALA SER ALA GLU SEQRES 8 A 142 GLU ALA ILE ILE GLY THR ASP VAL LEU GLN ASP HIS ASN SEQRES 9 A 142 ALA ILE LEU ASP PHE GLU HIS ARG THR CYS THR LEU LYS SEQRES 10 A 142 GLY LYS LYS PHE ARG LEU LEU PRO VAL GLY GLY SER LEU SEQRES 11 A 142 GLU ASP GLY SER PHE LEU TYR GLN VAL SER THR HIS SEQRES 1 B 142 SER SER MET GLY LYS GLY TYR TYR LEU LYS GLY LYS ILE SEQRES 2 B 142 GLY LYS VAL PRO VAL ARG PHE LEU VAL ASN SER GLY ALA SEQRES 3 B 142 GLN VAL SER VAL VAL HIS PRO ASN LEU TRP GLU GLU VAL SEQRES 4 B 142 THR ASP GLY ASP LEU ASP THR LEU GLN PRO PHE GLU ASN SEQRES 5 B 142 VAL VAL LYS VAL ALA ASN GLY ALA GLU MET LYS ILE LEU SEQRES 6 B 142 GLY VAL TRP ASP THR ALA VAL SER LEU GLY LYS LEU LYS SEQRES 7 B 142 LEU LYS ALA GLN PHE LEU VAL ALA ASN ALA SER ALA GLU SEQRES 8 B 142 GLU ALA ILE ILE GLY THR ASP VAL LEU GLN ASP HIS ASN SEQRES 9 B 142 ALA ILE LEU ASP PHE GLU HIS ARG THR CYS THR LEU LYS SEQRES 10 B 142 GLY LYS LYS PHE ARG LEU LEU PRO VAL GLY GLY SER LEU SEQRES 11 B 142 GLU ASP GLY SER PHE LEU TYR GLN VAL SER THR HIS HET CA A 401 1 HET CA A 402 1 HETNAM CA CALCIUM ION FORMUL 3 CA 2(CA 2+) FORMUL 5 HOH *53(H2 O) HELIX 1 AA1 HIS A 221 ASP A 230 1 10 HELIX 2 AA2 ASP A 232 LEU A 236 5 5 HELIX 3 AA3 GLY A 285 HIS A 292 1 8 HELIX 4 AA4 HIS B 221 ASP B 230 1 10 HELIX 5 AA5 ASP B 232 LEU B 236 5 5 HELIX 6 AA6 GLY B 285 HIS B 292 1 8 SHEET 1 AA1 8 LEU A 313 VAL A 315 0 SHEET 2 AA1 8 GLY A 195 ILE A 202 -1 N GLY A 195 O VAL A 315 SHEET 3 AA1 8 GLY A 255 LEU A 263 -1 O SER A 262 N LYS A 201 SHEET 4 AA1 8 LEU A 266 VAL A 274 -1 O ALA A 270 N THR A 259 SHEET 5 AA1 8 VAL A 219 VAL A 220 1 N VAL A 220 O LEU A 273 SHEET 6 AA1 8 ALA A 282 ILE A 284 -1 O ILE A 283 N VAL A 219 SHEET 7 AA1 8 VAL A 205 VAL A 211 1 N LEU A 210 O ILE A 284 SHEET 8 AA1 8 GLY A 195 ILE A 202 -1 N GLY A 200 O VAL A 207 SHEET 1 AA2 2 LYS A 244 VAL A 245 0 SHEET 2 AA2 2 VAL A 328 SER A 329 -1 O SER A 329 N LYS A 244 SHEET 1 AA3 6 LYS A 308 ARG A 311 0 SHEET 2 AA3 6 THR A 302 LEU A 305 -1 N LEU A 305 O LYS A 308 SHEET 3 AA3 6 ILE A 295 ASP A 297 -1 N ASP A 297 O THR A 302 SHEET 4 AA3 6 ILE B 295 ASP B 297 -1 O LEU B 296 N LEU A 296 SHEET 5 AA3 6 THR B 302 LEU B 305 -1 O THR B 302 N ASP B 297 SHEET 6 AA3 6 LYS B 308 ARG B 311 -1 O LYS B 308 N LEU B 305 SHEET 1 AA4 2 GLY A 322 LEU A 325 0 SHEET 2 AA4 2 VAL B 242 VAL B 245 1 O VAL B 242 N SER A 323 SHEET 1 AA5 8 LEU B 313 VAL B 315 0 SHEET 2 AA5 8 GLY B 195 ILE B 202 -1 N GLY B 195 O VAL B 315 SHEET 3 AA5 8 GLY B 255 LEU B 263 -1 O SER B 262 N LYS B 201 SHEET 4 AA5 8 LEU B 266 VAL B 274 -1 O ALA B 270 N THR B 259 SHEET 5 AA5 8 SER B 218 VAL B 220 1 N SER B 218 O LEU B 273 SHEET 6 AA5 8 ALA B 282 ILE B 284 -1 O ILE B 283 N VAL B 219 SHEET 7 AA5 8 VAL B 205 VAL B 211 1 N LEU B 210 O ILE B 284 SHEET 8 AA5 8 GLY B 195 ILE B 202 -1 N GLY B 200 O VAL B 207 LINK OD2 ASP A 230 CA CA A 401 1555 4555 2.39 LINK O GLN A 290 CA CA A 401 1555 1555 2.66 LINK OD1 ASN A 293 CA CA A 401 1555 1555 2.46 LINK OE1 GLU A 299 CA CA A 402 1555 1555 2.22 LINK CA CA A 402 OD2 ASP B 230 4454 1555 2.39 LINK CA CA A 402 O GLN B 290 1555 1555 2.62 LINK CA CA A 402 OD1 ASN B 293 1555 1555 2.39 CRYST1 51.004 64.929 76.221 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 0.019606 0.000000 0.000000 0.00000 SCALE2 0.000000 0.015401 0.000000 0.00000 SCALE3 0.000000 0.000000 0.013120 0.00000 CONECT 756 2058 CONECT 786 2058 CONECT 835 2059 CONECT 1844 2059 CONECT 1874 2059 CONECT 2058 756 786 CONECT 2059 835 1844 1874 MASTER 306 0 2 6 26 0 0 6 2110 2 7 22 END