HEADER PHOSPHOMONOESTERASE 04-FEB-97 1IHP TITLE STRUCTURE OF PHOSPHOMONOESTERASE COMPND MOL_ID: 1; COMPND 2 MOLECULE: PHYTASE; COMPND 3 CHAIN: A; COMPND 4 SYNONYM: MYO-INOSITOL-HEXAKISPHOSPHATE-3-PHOSPHOHYDROLASE; COMPND 5 EC: 3.1.3.8 SOURCE MOL_ID: 1; SOURCE 2 ORGANISM_SCIENTIFIC: ASPERGILLUS FICUUM; SOURCE 3 ORGANISM_TAXID: 5058; SOURCE 4 OTHER_DETAILS: ALSO CALLED ASPERGILLUS NIGER STRAIN NRRL3135 KEYWDS PHOSPHOMONOESTERASE, HYDROLASE, GLYCOPROTEIN EXPDTA X-RAY DIFFRACTION AUTHOR D.KOSTREWA REVDAT 5 04-APR-18 1IHP 1 REMARK REVDAT 4 13-JUL-11 1IHP 1 VERSN REVDAT 3 24-FEB-09 1IHP 1 VERSN REVDAT 2 01-APR-03 1IHP 1 JRNL REVDAT 1 18-MAR-98 1IHP 0 JRNL AUTH D.KOSTREWA,F.GRUNINGER-LEITCH,A.D'ARCY,C.BROGER,D.MITCHELL, JRNL AUTH 2 A.P.VAN LOON JRNL TITL CRYSTAL STRUCTURE OF PHYTASE FROM ASPERGILLUS FICUUM AT 2.5 JRNL TITL 2 A RESOLUTION. JRNL REF NAT.STRUCT.BIOL. V. 4 185 1997 JRNL REFN ISSN 1072-8368 JRNL PMID 9164457 JRNL DOI 10.1038/NSB0397-185 REMARK 2 REMARK 2 RESOLUTION. 2.50 ANGSTROMS. REMARK 3 REMARK 3 REFINEMENT. REMARK 3 PROGRAM : X-PLOR 3.1 REMARK 3 AUTHORS : BRUNGER REMARK 3 REMARK 3 DATA USED IN REFINEMENT. REMARK 3 RESOLUTION RANGE HIGH (ANGSTROMS) : 2.50 REMARK 3 RESOLUTION RANGE LOW (ANGSTROMS) : 25.00 REMARK 3 DATA CUTOFF (SIGMA(F)) : 0.000 REMARK 3 DATA CUTOFF HIGH (ABS(F)) : NULL REMARK 3 DATA CUTOFF LOW (ABS(F)) : NULL REMARK 3 COMPLETENESS (WORKING+TEST) (%) : 97.7 REMARK 3 NUMBER OF REFLECTIONS : 17223 REMARK 3 REMARK 3 FIT TO DATA USED IN REFINEMENT. REMARK 3 CROSS-VALIDATION METHOD : FREE R REMARK 3 FREE R VALUE TEST SET SELECTION : RANDOM REMARK 3 R VALUE (WORKING SET) : 0.155 REMARK 3 FREE R VALUE : 0.211 REMARK 3 FREE R VALUE TEST SET SIZE (%) : 5.000 REMARK 3 FREE R VALUE TEST SET COUNT : NULL REMARK 3 ESTIMATED ERROR OF FREE R VALUE : NULL REMARK 3 REMARK 3 FIT IN THE HIGHEST RESOLUTION BIN. REMARK 3 TOTAL NUMBER OF BINS USED : NULL REMARK 3 BIN RESOLUTION RANGE HIGH (A) : NULL REMARK 3 BIN RESOLUTION RANGE LOW (A) : NULL REMARK 3 BIN COMPLETENESS (WORKING+TEST) (%) : NULL REMARK 3 REFLECTIONS IN BIN (WORKING SET) : NULL REMARK 3 BIN R VALUE (WORKING SET) : NULL REMARK 3 BIN FREE R VALUE : NULL REMARK 3 BIN FREE R VALUE TEST SET SIZE (%) : NULL REMARK 3 BIN FREE R VALUE TEST SET COUNT : NULL REMARK 3 ESTIMATED ERROR OF BIN FREE R VALUE : NULL REMARK 3 REMARK 3 NUMBER OF NON-HYDROGEN ATOMS USED IN REFINEMENT. REMARK 3 PROTEIN ATOMS : 3368 REMARK 3 NUCLEIC ACID ATOMS : 0 REMARK 3 HETEROGEN ATOMS : 5 REMARK 3 SOLVENT ATOMS : 115 REMARK 3 REMARK 3 B VALUES. REMARK 3 FROM WILSON PLOT (A**2) : NULL REMARK 3 MEAN B VALUE (OVERALL, A**2) : 30.70 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 ESTIMATED COORDINATE ERROR. REMARK 3 ESD FROM LUZZATI PLOT (A) : NULL REMARK 3 ESD FROM SIGMAA (A) : NULL REMARK 3 LOW RESOLUTION CUTOFF (A) : NULL REMARK 3 REMARK 3 CROSS-VALIDATED ESTIMATED COORDINATE ERROR. REMARK 3 ESD FROM C-V LUZZATI PLOT (A) : NULL REMARK 3 ESD FROM C-V SIGMAA (A) : NULL REMARK 3 REMARK 3 RMS DEVIATIONS FROM IDEAL VALUES. REMARK 3 BOND LENGTHS (A) : 0.009 REMARK 3 BOND ANGLES (DEGREES) : 1.500 REMARK 3 DIHEDRAL ANGLES (DEGREES) : 22.80 REMARK 3 IMPROPER ANGLES (DEGREES) : 0.900 REMARK 3 REMARK 3 ISOTROPIC THERMAL MODEL : NULL REMARK 3 REMARK 3 ISOTROPIC THERMAL FACTOR RESTRAINTS. RMS SIGMA REMARK 3 MAIN-CHAIN BOND (A**2) : 1.500 ; NULL REMARK 3 MAIN-CHAIN ANGLE (A**2) : 2.000 ; NULL REMARK 3 SIDE-CHAIN BOND (A**2) : 2.000 ; NULL REMARK 3 SIDE-CHAIN ANGLE (A**2) : 2.500 ; NULL REMARK 3 REMARK 3 NCS MODEL : NULL REMARK 3 REMARK 3 NCS RESTRAINTS. RMS SIGMA/WEIGHT REMARK 3 GROUP 1 POSITIONAL (A) : NULL ; NULL REMARK 3 GROUP 1 B-FACTOR (A**2) : NULL ; NULL REMARK 3 REMARK 3 PARAMETER FILE 1 : PARHCSDX.PRO REMARK 3 PARAMETER FILE 2 : NULL REMARK 3 PARAMETER FILE 3 : NULL REMARK 3 TOPOLOGY FILE 1 : TOPHCSDX.PRO REMARK 3 TOPOLOGY FILE 2 : NULL REMARK 3 TOPOLOGY FILE 3 : NULL REMARK 3 REMARK 3 OTHER REFINEMENT REMARKS: REMARK 3 AMINO ACIDS 249 - 252 ARE COMPLETELY DISORDERED. REMARK 3 THE FOLLOWING AMINO ACID SIDE CHAINS ARE DISORDERED: REMARK 3 GLU 43, LYS 70, GLU 77, GLN 81, LYS 94, GLN 392, GLN 395, REMARK 3 ARG 428 REMARK 3 THE ELECTRON DENSITY OF THE SULFATE IS NOT WELL DEFINED. REMARK 4 REMARK 4 1IHP COMPLIES WITH FORMAT V. 3.30, 13-JUL-11 REMARK 100 REMARK 100 THIS ENTRY HAS BEEN PROCESSED BY BNL. REMARK 100 THE DEPOSITION ID IS D_1000174161. REMARK 200 REMARK 200 EXPERIMENTAL DETAILS REMARK 200 EXPERIMENT TYPE : X-RAY DIFFRACTION REMARK 200 DATE OF DATA COLLECTION : NULL REMARK 200 TEMPERATURE (KELVIN) : 273 REMARK 200 PH : NULL REMARK 200 NUMBER OF CRYSTALS USED : NULL REMARK 200 REMARK 200 SYNCHROTRON (Y/N) : N REMARK 200 RADIATION SOURCE : ROTATING ANODE REMARK 200 BEAMLINE : NULL REMARK 200 X-RAY GENERATOR MODEL : OTHER REMARK 200 MONOCHROMATIC OR LAUE (M/L) : M REMARK 200 WAVELENGTH OR RANGE (A) : 1.5418 REMARK 200 MONOCHROMATOR : NULL REMARK 200 OPTICS : NULL REMARK 200 REMARK 200 DETECTOR TYPE : IMAGE PLATE REMARK 200 DETECTOR MANUFACTURER : MARRESEARCH REMARK 200 INTENSITY-INTEGRATION SOFTWARE : XDS REMARK 200 DATA SCALING SOFTWARE : XDS REMARK 200 REMARK 200 NUMBER OF UNIQUE REFLECTIONS : 17223 REMARK 200 RESOLUTION RANGE HIGH (A) : 2.500 REMARK 200 RESOLUTION RANGE LOW (A) : 25.000 REMARK 200 REJECTION CRITERIA (SIGMA(I)) : 0.000 REMARK 200 REMARK 200 OVERALL. REMARK 200 COMPLETENESS FOR RANGE (%) : 97.7 REMARK 200 DATA REDUNDANCY : 4.600 REMARK 200 R MERGE (I) : NULL REMARK 200 R SYM (I) : 0.05600 REMARK 200 FOR THE DATA SET : 28.0000 REMARK 200 REMARK 200 IN THE HIGHEST RESOLUTION SHELL. REMARK 200 HIGHEST RESOLUTION SHELL, RANGE HIGH (A) : 2.50 REMARK 200 HIGHEST RESOLUTION SHELL, RANGE LOW (A) : 2.60 REMARK 200 COMPLETENESS FOR SHELL (%) : 93.8 REMARK 200 DATA REDUNDANCY IN SHELL : 3.10 REMARK 200 R MERGE FOR SHELL (I) : NULL REMARK 200 R SYM FOR SHELL (I) : 0.20400 REMARK 200 FOR SHELL : 7.000 REMARK 200 REMARK 200 DIFFRACTION PROTOCOL: NULL REMARK 200 METHOD USED TO DETERMINE THE STRUCTURE: SIRAS REMARK 200 SOFTWARE USED: X-PLOR 3.1 REMARK 200 STARTING MODEL: NULL REMARK 200 REMARK 200 REMARK: NULL REMARK 280 REMARK 280 CRYSTAL REMARK 280 SOLVENT CONTENT, VS (%): 52.09 REMARK 280 MATTHEWS COEFFICIENT, VM (ANGSTROMS**3/DA): 2.57 REMARK 280 REMARK 280 CRYSTALLIZATION CONDITIONS: NULL REMARK 290 REMARK 290 CRYSTALLOGRAPHIC SYMMETRY REMARK 290 SYMMETRY OPERATORS FOR SPACE GROUP: P 3 2 1 REMARK 290 REMARK 290 SYMOP SYMMETRY REMARK 290 NNNMMM OPERATOR REMARK 290 1555 X,Y,Z REMARK 290 2555 -Y,X-Y,Z REMARK 290 3555 -X+Y,-X,Z REMARK 290 4555 Y,X,-Z REMARK 290 5555 X-Y,-Y,-Z REMARK 290 6555 -X,-X+Y,-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 -0.500000 -0.866025 0.000000 0.00000 REMARK 290 SMTRY2 2 0.866025 -0.500000 0.000000 0.00000 REMARK 290 SMTRY3 2 0.000000 0.000000 1.000000 0.00000 REMARK 290 SMTRY1 3 -0.500000 0.866025 0.000000 0.00000 REMARK 290 SMTRY2 3 -0.866025 -0.500000 0.000000 0.00000 REMARK 290 SMTRY3 3 0.000000 0.000000 1.000000 0.00000 REMARK 290 SMTRY1 4 -0.500000 0.866025 0.000000 0.00000 REMARK 290 SMTRY2 4 0.866025 0.500000 0.000000 0.00000 REMARK 290 SMTRY3 4 0.000000 0.000000 -1.000000 0.00000 REMARK 290 SMTRY1 5 1.000000 0.000000 0.000000 0.00000 REMARK 290 SMTRY2 5 0.000000 -1.000000 0.000000 0.00000 REMARK 290 SMTRY3 5 0.000000 0.000000 -1.000000 0.00000 REMARK 290 SMTRY1 6 -0.500000 -0.866025 0.000000 0.00000 REMARK 290 SMTRY2 6 -0.866025 0.500000 0.000000 0.00000 REMARK 290 SMTRY3 6 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 300 REMARK: THE ASYMMETRIC UNIT OF THE CRYSTAL CONTAINS ONE REMARK 300 DEGLYCOSYLATED PROTEIN MONOMER. 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 SOFTWARE DETERMINED QUATERNARY STRUCTURE: HEXAMERIC REMARK 350 SOFTWARE USED: PISA REMARK 350 TOTAL BURIED SURFACE AREA: 11810 ANGSTROM**2 REMARK 350 SURFACE AREA OF THE COMPLEX: 95260 ANGSTROM**2 REMARK 350 CHANGE IN SOLVENT FREE ENERGY: -125.0 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 350 BIOMT1 2 -0.500000 -0.866025 0.000000 0.00000 REMARK 350 BIOMT2 2 0.866025 -0.500000 0.000000 0.00000 REMARK 350 BIOMT3 2 0.000000 0.000000 1.000000 0.00000 REMARK 350 BIOMT1 3 -0.500000 0.866025 0.000000 0.00000 REMARK 350 BIOMT2 3 -0.866025 -0.500000 0.000000 0.00000 REMARK 350 BIOMT3 3 0.000000 0.000000 1.000000 0.00000 REMARK 350 BIOMT1 4 -0.500000 0.866025 0.000000 0.00000 REMARK 350 BIOMT2 4 0.866025 0.500000 0.000000 0.00000 REMARK 350 BIOMT3 4 0.000000 0.000000 -1.000000 0.00000 REMARK 350 BIOMT1 5 1.000000 0.000000 0.000000 0.00000 REMARK 350 BIOMT2 5 0.000000 -1.000000 0.000000 0.00000 REMARK 350 BIOMT3 5 0.000000 0.000000 -1.000000 0.00000 REMARK 350 BIOMT1 6 -0.500000 -0.866025 0.000000 0.00000 REMARK 350 BIOMT2 6 -0.866025 0.500000 0.000000 0.00000 REMARK 350 BIOMT3 6 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 SER A 249 REMARK 465 THR A 250 REMARK 465 VAL A 251 REMARK 465 ASP A 252 REMARK 500 REMARK 500 GEOMETRY AND STEREOCHEMISTRY REMARK 500 SUBTOPIC: COVALENT BOND ANGLES REMARK 500 REMARK 500 THE STEREOCHEMICAL PARAMETERS OF THE FOLLOWING RESIDUES REMARK 500 HAVE VALUES WHICH DEVIATE FROM EXPECTED VALUES BY MORE REMARK 500 THAN 6*RMSD (M=MODEL NUMBER; RES=RESIDUE NAME; C=CHAIN REMARK 500 IDENTIFIER; SSEQ=SEQUENCE NUMBER; I=INSERTION CODE). REMARK 500 REMARK 500 STANDARD TABLE: REMARK 500 FORMAT: (10X,I3,1X,A3,1X,A1,I4,A1,3(1X,A4,2X),12X,F5.1) REMARK 500 REMARK 500 EXPECTED VALUES PROTEIN: ENGH AND HUBER, 1999 REMARK 500 EXPECTED VALUES NUCLEIC ACID: CLOWNEY ET AL 1996 REMARK 500 REMARK 500 M RES CSSEQI ATM1 ATM2 ATM3 REMARK 500 CYS A 8 CA - CB - SG ANGL. DEV. = 7.6 DEGREES 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 103 -35.64 55.90 REMARK 500 ASN A 130 22.23 -142.01 REMARK 500 ASP A 188 80.48 -162.67 REMARK 500 PHE A 212 -24.93 -151.29 REMARK 500 LEU A 224 68.50 -109.33 REMARK 500 THR A 313 -97.05 -117.80 REMARK 500 PHE A 326 78.14 -153.67 REMARK 500 GLU A 441 -6.24 -57.06 REMARK 500 REMARK 500 REMARK: NULL REMARK 800 REMARK 800 SITE REMARK 800 SITE_IDENTIFIER: AC1 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE SO4 A 445 DBREF 1IHP A 7 444 UNP P34752 PHYA_ASPNG 30 467 SEQRES 1 A 438 SER CYS ASP THR VAL ASP GLN GLY TYR GLN CYS PHE SER SEQRES 2 A 438 GLU THR SER HIS LEU TRP GLY GLN TYR ALA PRO PHE PHE SEQRES 3 A 438 SER LEU ALA ASN GLU SER VAL ILE SER PRO GLU VAL PRO SEQRES 4 A 438 ALA GLY CYS ARG VAL THR PHE ALA GLN VAL LEU SER ARG SEQRES 5 A 438 HIS GLY ALA ARG TYR PRO THR ASP SER LYS GLY LYS LYS SEQRES 6 A 438 TYR SER ALA LEU ILE GLU GLU ILE GLN GLN ASN ALA THR SEQRES 7 A 438 THR PHE ASP GLY LYS TYR ALA PHE LEU LYS THR TYR ASN SEQRES 8 A 438 TYR SER LEU GLY ALA ASP ASP LEU THR PRO PHE GLY GLU SEQRES 9 A 438 GLN GLU LEU VAL ASN SER GLY ILE LYS PHE TYR GLN ARG SEQRES 10 A 438 TYR GLU SER LEU THR ARG ASN ILE VAL PRO PHE ILE ARG SEQRES 11 A 438 SER SER GLY SER SER ARG VAL ILE ALA SER GLY LYS LYS SEQRES 12 A 438 PHE ILE GLU GLY PHE GLN SER THR LYS LEU LYS ASP PRO SEQRES 13 A 438 ARG ALA GLN PRO GLY GLN SER SER PRO LYS ILE ASP VAL SEQRES 14 A 438 VAL ILE SER GLU ALA SER SER SER ASN ASN THR LEU ASP SEQRES 15 A 438 PRO GLY THR CYS THR VAL PHE GLU ASP SER GLU LEU ALA SEQRES 16 A 438 ASP THR VAL GLU ALA ASN PHE THR ALA THR PHE VAL PRO SEQRES 17 A 438 SER ILE ARG GLN ARG LEU GLU ASN ASP LEU SER GLY VAL SEQRES 18 A 438 THR LEU THR ASP THR GLU VAL THR TYR LEU MET ASP MET SEQRES 19 A 438 CYS SER PHE ASP THR ILE SER THR SER THR VAL ASP THR SEQRES 20 A 438 LYS LEU SER PRO PHE CYS ASP LEU PHE THR HIS ASP GLU SEQRES 21 A 438 TRP ILE ASN TYR ASP TYR LEU GLN SER LEU LYS LYS TYR SEQRES 22 A 438 TYR GLY HIS GLY ALA GLY ASN PRO LEU GLY PRO THR GLN SEQRES 23 A 438 GLY VAL GLY TYR ALA ASN GLU LEU ILE ALA ARG LEU THR SEQRES 24 A 438 HIS SER PRO VAL HIS ASP ASP THR SER SER ASN HIS THR SEQRES 25 A 438 LEU ASP SER SER PRO ALA THR PHE PRO LEU ASN SER THR SEQRES 26 A 438 LEU TYR ALA ASP PHE SER HIS ASP ASN GLY ILE ILE SER SEQRES 27 A 438 ILE LEU PHE ALA LEU GLY LEU TYR ASN GLY THR LYS PRO SEQRES 28 A 438 LEU SER THR THR THR VAL GLU ASN ILE THR GLN THR ASP SEQRES 29 A 438 GLY PHE SER SER ALA TRP THR VAL PRO PHE ALA SER ARG SEQRES 30 A 438 LEU TYR VAL GLU MET MET GLN CYS GLN ALA GLU GLN GLU SEQRES 31 A 438 PRO LEU VAL ARG VAL LEU VAL ASN ASP ARG VAL VAL PRO SEQRES 32 A 438 LEU HIS GLY CYS PRO VAL ASP ALA LEU GLY ARG CYS THR SEQRES 33 A 438 ARG ASP SER PHE VAL ARG GLY LEU SER PHE ALA ARG SER SEQRES 34 A 438 GLY GLY ASP TRP ALA GLU CYS PHE ALA HET SO4 A 445 5 HETNAM SO4 SULFATE ION FORMUL 2 SO4 O4 S 2- FORMUL 3 HOH *115(H2 O) HELIX 1 1 SER A 19 LEU A 24 1 6 HELIX 2 2 GLY A 26 TYR A 28 5 3 HELIX 3 3 ALA A 35 GLU A 37 5 3 HELIX 4 4 ASP A 66 ASN A 82 1 17 HELIX 5 5 GLY A 88 THR A 95 5 8 HELIX 6 6 PRO A 107 ARG A 123 1 17 HELIX 7 7 GLU A 125 THR A 128 1 4 HELIX 8 8 SER A 141 LEU A 159 1 19 HELIX 9 9 THR A 193 ASP A 197 1 5 HELIX 10 10 LEU A 200 THR A 211 1 12 HELIX 11 11 VAL A 213 ASP A 223 1 11 HELIX 12 12 ASP A 231 ILE A 246 1 16 HELIX 13 13 PRO A 257 LEU A 261 5 5 HELIX 14 14 HIS A 264 GLY A 281 1 18 HELIX 15 15 PRO A 290 THR A 305 5 16 HELIX 16 16 HIS A 317 ASP A 320 1 4 HELIX 17 17 ASP A 339 ALA A 348 1 10 HELIX 18 18 SER A 374 THR A 377 1 4 HELIX 19 19 ARG A 423 GLY A 429 1 7 HELIX 20 20 SER A 431 ARG A 434 1 4 HELIX 21 21 TRP A 439 CYS A 442 5 4 SHEET 1 A 6 ILE A 173 ILE A 177 0 SHEET 2 A 6 PHE A 134 SER A 138 1 N ILE A 135 O ASP A 174 SHEET 3 A 6 LEU A 332 SER A 337 1 N ALA A 334 O PHE A 134 SHEET 4 A 6 CYS A 48 ARG A 58 1 N ALA A 53 O TYR A 333 SHEET 5 A 6 ARG A 383 CYS A 391 -1 N GLN A 390 O ARG A 49 SHEET 6 A 6 LEU A 398 VAL A 403 -1 N LEU A 402 O TYR A 385 SSBOND 1 CYS A 8 CYS A 17 1555 1555 2.01 SSBOND 2 CYS A 48 CYS A 391 1555 1555 2.03 SSBOND 3 CYS A 192 CYS A 442 1555 1555 2.03 SSBOND 4 CYS A 241 CYS A 259 1555 1555 2.03 SSBOND 5 CYS A 413 CYS A 421 1555 1555 2.03 SITE 1 AC1 2 ARG A 163 ARG A 423 CRYST1 92.250 92.250 100.890 90.00 90.00 120.00 P 3 2 1 6 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 0.010840 0.006259 0.000000 0.00000 SCALE2 0.000000 0.012517 0.000000 0.00000 SCALE3 0.000000 0.000000 0.009912 0.00000