PDB Short entry for 4CAA HEADER SERPIN 14-AUG-97 4CAA TITLE CLEAVED ANTICHYMOTRYPSIN T345R COMPND MOL_ID: 1; COMPND 2 MOLECULE: ANTICHYMOTRYPSIN; COMPND 3 CHAIN: A; COMPND 4 SYNONYM: ACT; COMPND 5 ENGINEERED: YES; COMPND 6 MUTATION: YES; COMPND 7 OTHER_DETAILS: CLEAVED ANTICHYMOTRYPSIN; COMPND 8 MOL_ID: 2; COMPND 9 MOLECULE: ANTICHYMOTRYPSIN; COMPND 10 CHAIN: B; COMPND 11 SYNONYM: ACT; COMPND 12 ENGINEERED: YES; COMPND 13 MUTATION: YES; COMPND 14 OTHER_DETAILS: CLEAVED ANTICHYMOTRYPSIN SOURCE MOL_ID: 1; SOURCE 2 ORGANISM_SCIENTIFIC: HOMO SAPIENS; SOURCE 3 ORGANISM_COMMON: HUMAN; SOURCE 4 ORGANISM_TAXID: 9606; SOURCE 5 GENE: ACT; SOURCE 6 EXPRESSION_SYSTEM: ESCHERICHIA COLI; SOURCE 7 EXPRESSION_SYSTEM_TAXID: 562; SOURCE 8 EXPRESSION_SYSTEM_PLASMID: PZMS; SOURCE 9 EXPRESSION_SYSTEM_GENE: ACT; SOURCE 10 MOL_ID: 2; SOURCE 11 ORGANISM_SCIENTIFIC: HOMO SAPIENS; SOURCE 12 ORGANISM_COMMON: HUMAN; SOURCE 13 ORGANISM_TAXID: 9606; SOURCE 14 GENE: ACT; SOURCE 15 EXPRESSION_SYSTEM: ESCHERICHIA COLI; SOURCE 16 EXPRESSION_SYSTEM_TAXID: 562; SOURCE 17 EXPRESSION_SYSTEM_PLASMID: PZMS; SOURCE 18 EXPRESSION_SYSTEM_GENE: ACT KEYWDS SERPIN, SERINE PROTEASE INHIBITOR, ANTICHYMOTRYPSIN EXPDTA X-RAY DIFFRACTION AUTHOR C.M.LUKACS,D.W.CHRISTIANSON REVDAT 4 09-AUG-23 4CAA 1 REMARK REVDAT 3 03-NOV-21 4CAA 1 SEQADV REVDAT 2 24-FEB-09 4CAA 1 VERSN REVDAT 1 25-FEB-98 4CAA 0 SPRSDE 25-FEB-98 4CAA 1CT3 JRNL AUTH C.M.LUKACS,H.RUBIN,D.W.CHRISTIANSON JRNL TITL ENGINEERING AN ANION-BINDING CAVITY IN ANTICHYMOTRYPSIN JRNL TITL 2 MODULATES THE "SPRING-LOADED" SERPIN-PROTEASE INTERACTION. JRNL REF BIOCHEMISTRY V. 37 3297 1998 JRNL REFN ISSN 0006-2960 JRNL PMID 9521649 JRNL DOI 10.1021/BI972359E REMARK 1 REMARK 1 REFERENCE 1 REMARK 1 AUTH C.M.LUKACS,H.RUBIN,D.W.CHRISTIANSON REMARK 1 TITL BURIAL OF AN ION PAIR IN THE HYDROPHOBIC CORE OF CLEAVED REMARK 1 TITL 2 ALA-349->ARG ANTICHYMOTRYPSIN COMPROMISES BUT DOES NOT REMARK 1 TITL 3 OBLITERATE SERPIN FUNCTION REMARK 1 REF TO BE PUBLISHED REMARK 1 REFN REMARK 2 REMARK 2 RESOLUTION. 2.90 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) : 2.90 REMARK 3 RESOLUTION RANGE LOW (ANGSTROMS) : 8.00 REMARK 3 DATA CUTOFF (SIGMA(F)) : 2.000 REMARK 3 DATA CUTOFF HIGH (ABS(F)) : 100000.000 REMARK 3 DATA CUTOFF LOW (ABS(F)) : 0.1000 REMARK 3 COMPLETENESS (WORKING+TEST) (%) : 89.4 REMARK 3 NUMBER OF REFLECTIONS : 9882 REMARK 3 REMARK 3 FIT TO DATA USED IN REFINEMENT. REMARK 3 CROSS-VALIDATION METHOD : THROUGHOUT REMARK 3 FREE R VALUE TEST SET SELECTION : RANDOM REMARK 3 R VALUE (WORKING SET) : 0.199 REMARK 3 FREE R VALUE : 0.284 REMARK 3 FREE R VALUE TEST SET SIZE (%) : 4.000 REMARK 3 FREE R VALUE TEST SET COUNT : 457 REMARK 3 ESTIMATED ERROR OF FREE R VALUE : 0.013 REMARK 3 REMARK 3 FIT IN THE HIGHEST RESOLUTION BIN. REMARK 3 TOTAL NUMBER OF BINS USED : 8 REMARK 3 BIN RESOLUTION RANGE HIGH (A) : 2.90 REMARK 3 BIN RESOLUTION RANGE LOW (A) : 3.03 REMARK 3 BIN COMPLETENESS (WORKING+TEST) (%) : 79.50 REMARK 3 REFLECTIONS IN BIN (WORKING SET) : 1031 REMARK 3 BIN R VALUE (WORKING SET) : 0.3010 REMARK 3 BIN FREE R VALUE : 0.4410 REMARK 3 BIN FREE R VALUE TEST SET SIZE (%) : 3.10 REMARK 3 BIN FREE R VALUE TEST SET COUNT : 42 REMARK 3 ESTIMATED ERROR OF BIN FREE R VALUE : 0.067 REMARK 3 REMARK 3 NUMBER OF NON-HYDROGEN ATOMS USED IN REFINEMENT. REMARK 3 PROTEIN ATOMS : 2927 REMARK 3 NUCLEIC ACID ATOMS : 0 REMARK 3 HETEROGEN ATOMS : 0 REMARK 3 SOLVENT ATOMS : 0 REMARK 3 REMARK 3 B VALUES. REMARK 3 FROM WILSON PLOT (A**2) : NULL REMARK 3 MEAN B VALUE (OVERALL, A**2) : 35.50 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) : 0.010 REMARK 3 BOND ANGLES (DEGREES) : 1.570 REMARK 3 DIHEDRAL ANGLES (DEGREES) : 24.00 REMARK 3 IMPROPER ANGLES (DEGREES) : 1.300 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) : NULL ; NULL REMARK 3 MAIN-CHAIN ANGLE (A**2) : NULL ; NULL REMARK 3 SIDE-CHAIN BOND (A**2) : NULL ; NULL REMARK 3 SIDE-CHAIN ANGLE (A**2) : NULL ; 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 GLN A 105 - ASP A 108 ARE IN VERY POOR ELECTRON DENSITY AND REMARK 3 SHOULD BE TREATED AS SUCH. THEY HAVE BEEN REFINED WITH REMARK 3 OCCUPANCIES OF 0.0. REMARK 3 REMARK 3 DATA WAS INDEXED WITH B>C IN ORDER TO USE DIFFERENCE REMARK 3 FOURIER TECHNIQUES FROM ENTRY 1CT3. THE DIFFERENCE IN REMARK 3 UNIT CELLS IS PRESUMABLY DUE TO CRYOGENIC TECHNIQUE USED REMARK 3 IN THIS DATA SET. REMARK 4 REMARK 4 4CAA 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_1000179273. REMARK 200 REMARK 200 EXPERIMENTAL DETAILS REMARK 200 EXPERIMENT TYPE : X-RAY DIFFRACTION REMARK 200 DATE OF DATA COLLECTION : SEP-96 REMARK 200 TEMPERATURE (KELVIN) : 100 REMARK 200 PH : 5.6 REMARK 200 NUMBER OF CRYSTALS USED : 1 REMARK 200 REMARK 200 SYNCHROTRON (Y/N) : Y REMARK 200 RADIATION SOURCE : CHESS REMARK 200 BEAMLINE : A1 REMARK 200 X-RAY GENERATOR MODEL : NULL REMARK 200 MONOCHROMATIC OR LAUE (M/L) : M REMARK 200 WAVELENGTH OR RANGE (A) : 1.54 REMARK 200 MONOCHROMATOR : SI(111) REMARK 200 OPTICS : NULL REMARK 200 REMARK 200 DETECTOR TYPE : CCD REMARK 200 DETECTOR MANUFACTURER : ADSC REMARK 200 INTENSITY-INTEGRATION SOFTWARE : DENZO REMARK 200 DATA SCALING SOFTWARE : SCALEPACK REMARK 200 REMARK 200 NUMBER OF UNIQUE REFLECTIONS : 37763 REMARK 200 RESOLUTION RANGE HIGH (A) : 2.900 REMARK 200 RESOLUTION RANGE LOW (A) : 20.000 REMARK 200 REJECTION CRITERIA (SIGMA(I)) : NULL REMARK 200 REMARK 200 OVERALL. REMARK 200 COMPLETENESS FOR RANGE (%) : 95.9 REMARK 200 DATA REDUNDANCY : 3.350 REMARK 200 R MERGE (I) : NULL REMARK 200 R SYM (I) : 0.08500 REMARK 200 <I/SIGMA(I)> FOR THE DATA SET : 7.1000 REMARK 200 REMARK 200 IN THE HIGHEST RESOLUTION SHELL. REMARK 200 HIGHEST RESOLUTION SHELL, RANGE HIGH (A) : 2.90 REMARK 200 HIGHEST RESOLUTION SHELL, RANGE LOW (A) : 3.00 REMARK 200 COMPLETENESS FOR SHELL (%) : 97.1 REMARK 200 DATA REDUNDANCY IN SHELL : 3.30 REMARK 200 R MERGE FOR SHELL (I) : NULL REMARK 200 R SYM FOR SHELL (I) : 0.42600 REMARK 200 <I/SIGMA(I)> FOR SHELL : NULL REMARK 200 REMARK 200 DIFFRACTION PROTOCOL: NULL REMARK 200 METHOD USED TO DETERMINE THE STRUCTURE: DIFFERENCE FOURIER REMARK 200 SOFTWARE USED: X-PLOR 3.1 REMARK 200 STARTING MODEL: PDB ENTRY 1CT3 REMARK 200 REMARK 200 REMARK: NULL REMARK 280 REMARK 280 CRYSTAL REMARK 280 SOLVENT CONTENT, VS (%): 59.00 REMARK 280 MATTHEWS COEFFICIENT, VM (ANGSTROMS**3/DA): 3.00 REMARK 280 REMARK 280 CRYSTALLIZATION CONDITIONS: 14% PEG 8000 0.2 M MAGNESIUM ACETATE REMARK 280 0.1 M SODIUM CITRATE PH 5.6 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 36.41500 REMARK 290 SMTRY2 2 0.000000 -1.000000 0.000000 0.00000 REMARK 290 SMTRY3 2 0.000000 0.000000 1.000000 41.43000 REMARK 290 SMTRY1 3 -1.000000 0.000000 0.000000 0.00000 REMARK 290 SMTRY2 3 0.000000 1.000000 0.000000 41.75500 REMARK 290 SMTRY3 3 0.000000 0.000000 -1.000000 41.43000 REMARK 290 SMTRY1 4 1.000000 0.000000 0.000000 36.41500 REMARK 290 SMTRY2 4 0.000000 -1.000000 0.000000 41.75500 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: 4840 ANGSTROM**2 REMARK 350 SURFACE AREA OF THE COMPLEX: 15420 ANGSTROM**2 REMARK 350 CHANGE IN SOLVENT FREE ENERGY: -34.0 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 400 REMARK 400 COMPOUND REMARK 400 A: N-TERMINUS TO CLEAVAGE SITE (RESIDUES 20 - 358) REMARK 400 B: CLEAVAGE SITE TO C-TERMINUS (RESIDUES 359 - 393) 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 THR A 20 REMARK 465 HIS A 21 REMARK 465 VAL A 22 REMARK 465 ASP A 23 REMARK 465 LEU A 24 REMARK 465 GLY A 25 REMARK 465 LEU A 26 REMARK 465 ALA A 27 REMARK 465 VAL B 358 REMARK 465 GLU B 359 REMARK 465 THR B 360 REMARK 465 ALA B 394 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 ARG B 361 CB CG CD NE CZ NH1 NH2 REMARK 475 REMARK 475 ZERO OCCUPANCY RESIDUES REMARK 475 THE FOLLOWING RESIDUES WERE MODELED WITH ZERO OCCUPANCY. REMARK 475 THE LOCATION AND PROPERTIES OF THESE RESIDUES MAY NOT REMARK 475 BE RELIABLE. (M=MODEL NUMBER; RES=RESIDUE NAME; REMARK 475 C=CHAIN IDENTIFIER; SSEQ=SEQUENCE NUMBER; I=INSERTION CODE) REMARK 475 M RES C SSEQI REMARK 475 SER A 106 REMARK 475 SER A 107 REMARK 480 REMARK 480 ZERO OCCUPANCY ATOM REMARK 480 THE FOLLOWING RESIDUES HAVE ATOMS MODELED WITH ZERO REMARK 480 OCCUPANCY. THE LOCATION AND PROPERTIES OF THESE ATOMS REMARK 480 MAY NOT BE RELIABLE. (M=MODEL NUMBER; RES=RESIDUE NAME; REMARK 480 C=CHAIN IDENTIFIER; SSEQ=SEQUENCE NUMBER; I=INSERTION CODE): REMARK 480 M RES C SSEQI ATOMS REMARK 480 GLN A 105 CA C O CB CG CD OE1 REMARK 480 GLN A 105 NE2 REMARK 480 ASP A 108 N CA CB CG OD1 OD2 REMARK 500 REMARK 500 GEOMETRY AND STEREOCHEMISTRY REMARK 500 SUBTOPIC: COVALENT BOND LENGTHS 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,2(A3,1X,A1,I4,A1,1X,A4,3X),1X,F6.3) 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 RES CSSEQI ATM2 DEVIATION REMARK 500 SER A 140 C GLU A 141 N -0.149 REMARK 500 GLU A 141 N GLU A 141 CA -0.146 REMARK 500 REMARK 500 REMARK: NULL 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 PRO A 46 C - N - CA ANGL. DEV. = 12.3 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 ALA A 45 78.42 -176.04 REMARK 500 ASN A 70 -122.35 35.17 REMARK 500 LEU A 84 -5.82 -55.05 REMARK 500 SER A 95 -71.71 -57.73 REMARK 500 SER A 106 90.59 -55.45 REMARK 500 GLU A 109 -47.01 176.47 REMARK 500 LEU A 112 115.66 -166.82 REMARK 500 GLU A 122 -49.30 -25.78 REMARK 500 GLN A 123 61.73 -117.14 REMARK 500 ASP A 149 61.04 -102.01 REMARK 500 ASP A 171 63.05 63.50 REMARK 500 TRP A 194 -168.87 -65.79 REMARK 500 PHE A 230 118.46 -164.37 REMARK 500 SER A 319 -8.66 -55.70 REMARK 500 SER A 330 -60.81 -91.37 REMARK 500 ARG A 345 -109.92 86.90 REMARK 500 ASP B 378 -96.20 -82.04 REMARK 500 THR B 379 91.04 -47.87 REMARK 500 REMARK 500 REMARK: NULL REMARK 700 REMARK 700 SHEET REMARK 700 RESIDUE A 345 IS MUTATION OF THR->ARG. THERE IS AN UNUSUAL REMARK 700 TWIST TO THE BETA SHEET IN THIS AREA TO KEEP THE ARG REMARK 700 SOLVENT EXPOSED. DBREF 4CAA A 20 358 UNP P01011 AACT_HUMAN 43 383 DBREF 4CAA B 358 394 UNP P01011 AACT_HUMAN 387 423 SEQADV 4CAA ARG A 345 UNP P01011 THR 370 ENGINEERED MUTATION SEQRES 1 A 341 THR HIS VAL ASP LEU GLY LEU ALA SER ALA ASN VAL ASP SEQRES 2 A 341 PHE ALA PHE SER LEU TYR LYS GLN LEU VAL LEU LYS ALA SEQRES 3 A 341 PRO ASP LYS ASN VAL ILE PHE SER PRO LEU SER ILE SER SEQRES 4 A 341 THR ALA LEU ALA PHE LEU SER LEU GLY ALA HIS ASN THR SEQRES 5 A 341 THR LEU THR GLU ILE LEU LYS GLY LEU LYS PHE ASN LEU SEQRES 6 A 341 THR GLU THR SER GLU ALA GLU ILE HIS GLN SER PHE GLN SEQRES 7 A 341 HIS LEU LEU ARG THR LEU ASN GLN SER SER ASP GLU LEU SEQRES 8 A 341 GLN LEU SER MET GLY ASN ALA MET PHE VAL LYS GLU GLN SEQRES 9 A 341 LEU SER LEU LEU ASP ARG PHE THR GLU ASP ALA LYS ARG SEQRES 10 A 341 LEU TYR GLY SER GLU ALA PHE ALA THR ASP PHE GLN ASP SEQRES 11 A 341 SER ALA ALA ALA LYS LYS LEU ILE ASN ASP TYR VAL LYS SEQRES 12 A 341 ASN GLY THR ARG GLY LYS ILE THR ASP LEU ILE LYS ASP SEQRES 13 A 341 LEU ASP SER GLN THR MET MET VAL LEU VAL ASN TYR ILE SEQRES 14 A 341 PHE PHE LYS ALA LYS TRP GLU MET PRO PHE ASP PRO GLN SEQRES 15 A 341 ASP THR HIS GLN SER ARG PHE TYR LEU SER LYS LYS LYS SEQRES 16 A 341 TRP VAL MET VAL PRO MET MET SER LEU HIS HIS LEU THR SEQRES 17 A 341 ILE PRO TYR PHE ARG ASP GLU GLU LEU SER CYS THR VAL SEQRES 18 A 341 VAL GLU LEU LYS TYR THR GLY ASN ALA SER ALA LEU PHE SEQRES 19 A 341 ILE LEU PRO ASP GLN ASP LYS MET GLU GLU VAL GLU ALA SEQRES 20 A 341 MET LEU LEU PRO GLU THR LEU LYS ARG TRP ARG ASP SER SEQRES 21 A 341 LEU GLU PHE ARG GLU ILE GLY GLU LEU TYR LEU PRO LYS SEQRES 22 A 341 PHE SER ILE SER ARG ASP TYR ASN LEU ASN ASP ILE LEU SEQRES 23 A 341 LEU GLN LEU GLY ILE GLU GLU ALA PHE THR SER LYS ALA SEQRES 24 A 341 ASP LEU SER GLY ILE THR GLY ALA ARG ASN LEU ALA VAL SEQRES 25 A 341 SER GLN VAL VAL HIS LYS ALA VAL LEU ASP VAL PHE GLU SEQRES 26 A 341 GLU GLY ARG GLU ALA SER ALA ALA THR ALA VAL LYS ILE SEQRES 27 A 341 THR LEU LEU SEQRES 1 B 37 VAL GLU THR ARG THR ILE VAL ARG PHE ASN ARG PRO PHE SEQRES 2 B 37 LEU MET ILE ILE VAL PRO THR ASP THR GLN ASN ILE PHE SEQRES 3 B 37 PHE MET SER LYS VAL THR ASN PRO LYS GLN ALA HELIX 1 1 ASN A 30 ALA A 45 1 16 HELIX 2 2 PRO A 54 LEU A 66 1 13 HELIX 3 3 ASN A 70 GLY A 79 1 10 HELIX 4 4 GLU A 89 LEU A 103 1 15 HELIX 5 5 ASP A 128 LEU A 137 1 10 HELIX 6 6 PHE A 147 GLY A 164 5 18 HELIX 7 7 PRO A 200 ASP A 202 5 3 HELIX 8 8 MET A 260 MET A 266 1 7 HELIX 9 9 PRO A 269 SER A 278 1 10 HELIX 10 10 ASN A 300 GLN A 305 1 6 HELIX 11 11 GLU A 310 PHE A 312 5 3 HELIX 12 12 SER A 319 THR A 322 1 4 SHEET 1 A 6 ALA A 142 THR A 145 0 SHEET 2 A 6 GLN A 111 LYS A 121 1 N MET A 118 O PHE A 143 SHEET 3 A 6 THR A 180 LYS A 191 -1 N LYS A 191 O GLN A 111 SHEET 4 A 6 GLY A 344 LEU A 357 -1 N ILE A 355 O MET A 181 SHEET 5 A 6 LEU A 327 PHE A 341 -1 N PHE A 341 O GLY A 344 SHEET 6 A 6 PHE A 291 ASN A 298 -1 N TYR A 297 O HIS A 334 SHEET 1 B 3 GLU A 285 PRO A 289 0 SHEET 2 B 3 LYS A 214 HIS A 224 -1 N LEU A 223 O LEU A 286 SHEET 3 B 3 HIS A 204 SER A 211 -1 N SER A 211 O LYS A 214 SHEET 1 C 4 GLU A 279 ILE A 283 0 SHEET 2 C 4 LEU A 226 ASP A 232 -1 N TYR A 229 O GLU A 279 SHEET 3 C 4 CYS A 237 LYS A 243 -1 N VAL A 239 O PHE A 230 SHEET 4 C 4 SER A 249 PRO A 255 -1 N LEU A 254 O THR A 238 SHEET 1 D 2 PHE B 370 ILE B 374 0 SHEET 2 D 2 PHE B 384 VAL B 388 -1 N VAL B 388 O PHE B 370 CRYST1 72.830 83.510 82.860 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 0.013731 0.000000 0.000000 0.00000 SCALE2 0.000000 0.011975 0.000000 0.00000 SCALE3 0.000000 0.000000 0.012069 0.00000