HEADER HYDROLASE/HYDROLASE INHIBITOR 12-FEB-97 1IBC TITLE CRYSTAL STRUCTURE OF INHIBITED INTERLEUKIN-1BETA CONVERTING ENZYME COMPND MOL_ID: 1; COMPND 2 MOLECULE: INTERLEUKIN-1BETA CONVERTING ENZYME; COMPND 3 CHAIN: A; COMPND 4 SYNONYM: ICE, CASPASE-1; COMPND 5 EC: 3.4.22.36; COMPND 6 ENGINEERED: YES; COMPND 7 MUTATION: YES; COMPND 8 MOL_ID: 2; COMPND 9 MOLECULE: INTERLEUKIN-1BETA CONVERTING ENZYME; COMPND 10 CHAIN: B; COMPND 11 SYNONYM: ICE, CASPASE-1; COMPND 12 EC: 3.4.22.36; COMPND 13 ENGINEERED: YES; COMPND 14 MUTATION: YES; COMPND 15 MOL_ID: 3; COMPND 16 MOLECULE: PEPTIDE ACE-TRP-GLU-HIS-ASA; COMPND 17 CHAIN: C; COMPND 18 ENGINEERED: YES SOURCE MOL_ID: 1; SOURCE 2 ORGANISM_SCIENTIFIC: HOMO SAPIENS; SOURCE 3 ORGANISM_COMMON: HUMAN; SOURCE 4 ORGANISM_TAXID: 9606; SOURCE 5 CELL_LINE: 293; SOURCE 6 EXPRESSION_SYSTEM: ESCHERICHIA COLI; SOURCE 7 EXPRESSION_SYSTEM_TAXID: 562; SOURCE 8 EXPRESSION_SYSTEM_STRAIN: 293; SOURCE 9 MOL_ID: 2; SOURCE 10 ORGANISM_SCIENTIFIC: HOMO SAPIENS; SOURCE 11 ORGANISM_COMMON: HUMAN; SOURCE 12 ORGANISM_TAXID: 9606; SOURCE 13 CELL_LINE: 293; SOURCE 14 EXPRESSION_SYSTEM: ESCHERICHIA COLI; SOURCE 15 EXPRESSION_SYSTEM_TAXID: 562; SOURCE 16 EXPRESSION_SYSTEM_STRAIN: 293; SOURCE 17 MOL_ID: 3; SOURCE 18 SYNTHETIC: YES KEYWDS PROTEASE, CYSTEINE PROTEASE, INTERLEUKIN-1BETA CONVERTING ENZYME, KEYWDS 2 ICE, CASPASE-1, HYDROLASE-HYDROLASE INHIBITOR COMPLEX EXPDTA X-RAY DIFFRACTION AUTHOR J.W.BECKER,J.ROTONDA REVDAT 7 03-APR-24 1IBC 1 REMARK REVDAT 6 03-NOV-21 1IBC 1 SEQADV LINK REVDAT 5 29-NOV-17 1IBC 1 HELIX REVDAT 4 16-NOV-11 1IBC 1 HETATM REVDAT 3 13-JUL-11 1IBC 1 VERSN REVDAT 2 24-FEB-09 1IBC 1 VERSN REVDAT 1 11-FEB-98 1IBC 0 JRNL AUTH T.A.RANO,T.TIMKEY,E.P.PETERSON,J.ROTONDA,D.W.NICHOLSON, JRNL AUTH 2 J.W.BECKER,K.T.CHAPMAN,N.A.THORNBERRY JRNL TITL A COMBINATORIAL APPROACH FOR DETERMINING PROTEASE JRNL TITL 2 SPECIFICITIES: APPLICATION TO INTERLEUKIN-1BETA CONVERTING JRNL TITL 3 ENZYME (ICE). JRNL REF CHEM.BIOL. V. 4 149 1997 JRNL REFN ISSN 1074-5521 JRNL PMID 9190289 JRNL DOI 10.1016/S1074-5521(97)90258-1 REMARK 1 REMARK 1 REFERENCE 1 REMARK 1 AUTH N.A.THORNBERRY,S.M.MOLINEAUX REMARK 1 TITL INTERLEUKIN-1 BETA CONVERTING ENZYME: A NOVEL CYSTEINE REMARK 1 TITL 2 PROTEASE REQUIRED FOR IL-1 BETA PRODUCTION AND IMPLICATED IN REMARK 1 TITL 3 PROGRAMMED CELL DEATH REMARK 1 REF PROTEIN SCI. V. 4 3 1995 REMARK 1 REFN ISSN 0961-8368 REMARK 2 REMARK 2 RESOLUTION. 2.73 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) : 2.73 REMARK 3 RESOLUTION RANGE LOW (ANGSTROMS) : 20.00 REMARK 3 DATA CUTOFF (SIGMA(F)) : 2.000 REMARK 3 DATA CUTOFF HIGH (ABS(F)) : 10000000.000 REMARK 3 DATA CUTOFF LOW (ABS(F)) : 0.0010 REMARK 3 COMPLETENESS (WORKING+TEST) (%) : 84.4 REMARK 3 NUMBER OF REFLECTIONS : 8078 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) : 0.173 REMARK 3 FREE R VALUE : 0.285 REMARK 3 FREE R VALUE TEST SET SIZE (%) : 10.700 REMARK 3 FREE R VALUE TEST SET COUNT : 863 REMARK 3 ESTIMATED ERROR OF FREE R VALUE : 0.010 REMARK 3 REMARK 3 FIT IN THE HIGHEST RESOLUTION BIN. REMARK 3 TOTAL NUMBER OF BINS USED : 10 REMARK 3 BIN RESOLUTION RANGE HIGH (A) : 2.73 REMARK 3 BIN RESOLUTION RANGE LOW (A) : 2.83 REMARK 3 BIN COMPLETENESS (WORKING+TEST) (%) : 28.50 REMARK 3 REFLECTIONS IN BIN (WORKING SET) : 239 REMARK 3 BIN R VALUE (WORKING SET) : 0.2550 REMARK 3 BIN FREE R VALUE : 0.3340 REMARK 3 BIN FREE R VALUE TEST SET SIZE (%) : 9.50 REMARK 3 BIN FREE R VALUE TEST SET COUNT : 25 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 : 2073 REMARK 3 NUCLEIC ACID ATOMS : 0 REMARK 3 HETEROGEN ATOMS : 0 REMARK 3 SOLVENT ATOMS : 38 REMARK 3 REMARK 3 B VALUES. REMARK 3 FROM WILSON PLOT (A**2) : 34.10 REMARK 3 MEAN B VALUE (OVERALL, A**2) : 33.00 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) : 0.26 REMARK 3 ESD FROM SIGMAA (A) : 0.21 REMARK 3 LOW RESOLUTION CUTOFF (A) : 20.0 REMARK 3 REMARK 3 CROSS-VALIDATED ESTIMATED COORDINATE ERROR. REMARK 3 ESD FROM C-V LUZZATI PLOT (A) : 0.42 REMARK 3 ESD FROM C-V SIGMAA (A) : 0.28 REMARK 3 REMARK 3 RMS DEVIATIONS FROM IDEAL VALUES. REMARK 3 BOND LENGTHS (A) : 0.008 REMARK 3 BOND ANGLES (DEGREES) : 1.400 REMARK 3 DIHEDRAL ANGLES (DEGREES) : 24.00 REMARK 3 IMPROPER ANGLES (DEGREES) : 1.190 REMARK 3 REMARK 3 ISOTROPIC THERMAL MODEL : RESTRAINED REMARK 3 REMARK 3 ISOTROPIC THERMAL FACTOR RESTRAINTS. RMS SIGMA REMARK 3 MAIN-CHAIN BOND (A**2) : 7.360 ; 1.500 REMARK 3 MAIN-CHAIN ANGLE (A**2) : 11.060; 2.000 REMARK 3 SIDE-CHAIN BOND (A**2) : 10.610; 2.000 REMARK 3 SIDE-CHAIN ANGLE (A**2) : 15.180; 2.500 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 : ICE288.PAR REMARK 3 PARAMETER FILE 2 : NULL REMARK 3 TOPOLOGY FILE 1 : ICE288.TOP REMARK 3 TOPOLOGY FILE 2 : NULL REMARK 3 REMARK 3 OTHER REFINEMENT REMARKS: BULK SOLVENT MODEL USED REMARK 4 REMARK 4 1IBC 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_1000174095. REMARK 200 REMARK 200 EXPERIMENTAL DETAILS REMARK 200 EXPERIMENT TYPE : X-RAY DIFFRACTION REMARK 200 DATE OF DATA COLLECTION : 09-APR-96 REMARK 200 TEMPERATURE (KELVIN) : 293 REMARK 200 PH : 8.5 REMARK 200 NUMBER OF CRYSTALS USED : 1 REMARK 200 REMARK 200 SYNCHROTRON (Y/N) : N REMARK 200 RADIATION SOURCE : NULL REMARK 200 BEAMLINE : NULL REMARK 200 X-RAY GENERATOR MODEL : NULL 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 : AREA DETECTOR REMARK 200 DETECTOR MANUFACTURER : SIEMENS REMARK 200 INTENSITY-INTEGRATION SOFTWARE : SAINT REMARK 200 DATA SCALING SOFTWARE : SAINT REMARK 200 REMARK 200 NUMBER OF UNIQUE REFLECTIONS : 8445 REMARK 200 RESOLUTION RANGE HIGH (A) : NULL REMARK 200 RESOLUTION RANGE LOW (A) : NULL REMARK 200 REJECTION CRITERIA (SIGMA(I)) : 0.000 REMARK 200 REMARK 200 OVERALL. REMARK 200 COMPLETENESS FOR RANGE (%) : 87.0 REMARK 200 DATA REDUNDANCY : 2.960 REMARK 200 R MERGE (I) : 0.04700 REMARK 200 R SYM (I) : NULL REMARK 200 FOR THE DATA SET : NULL REMARK 200 REMARK 200 IN THE HIGHEST RESOLUTION SHELL. REMARK 200 HIGHEST RESOLUTION SHELL, RANGE HIGH (A) : NULL REMARK 200 HIGHEST RESOLUTION SHELL, RANGE LOW (A) : NULL 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: NULL REMARK 200 METHOD USED TO DETERMINE THE STRUCTURE: DIFFERENCE FOURIER REMARK 200 SOFTWARE USED: X-PLOR 3.1 REMARK 200 STARTING MODEL: ICE INHIBITED BY ACE-YVAD-CHO REMARK 200 REMARK 200 REMARK: NULL REMARK 280 REMARK 280 CRYSTAL REMARK 280 SOLVENT CONTENT, VS (%): 58.00 REMARK 280 MATTHEWS COEFFICIENT, VM (ANGSTROMS**3/DA): 2.72 REMARK 280 REMARK 280 CRYSTALLIZATION CONDITIONS: 1.5 ML DROPS OF PROTEIN-INHIBITOR REMARK 280 SOLUTION (5.0 MG/ML IN 10 MILLIMOLAR TRIS-HCL, PH 8.5, 10 MILLI- REMARK 280 MOLAR DTT, 3 MILLIMOLAR SODIUM AZIDE) WERE MIXED WITH AN EQUAL REMARK 280 VOLUME OF RESERVOIR BUFFER (7.2% PEG-6000 (W:W), 0.10 M PIPES PH REMARK 280 5.8, 10 MILLIMOLAR DTT, 3 MILLIMOLAR SODIUM AZIDE) AND INCUBATED REMARK 280 AT ROOM TEMPERATURE. 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 80.05000 REMARK 290 SMTRY1 3 0.000000 -1.000000 0.000000 32.30500 REMARK 290 SMTRY2 3 1.000000 0.000000 0.000000 32.30500 REMARK 290 SMTRY3 3 0.000000 0.000000 1.000000 120.07500 REMARK 290 SMTRY1 4 0.000000 1.000000 0.000000 32.30500 REMARK 290 SMTRY2 4 -1.000000 0.000000 0.000000 32.30500 REMARK 290 SMTRY3 4 0.000000 0.000000 1.000000 40.02500 REMARK 290 SMTRY1 5 -1.000000 0.000000 0.000000 32.30500 REMARK 290 SMTRY2 5 0.000000 1.000000 0.000000 32.30500 REMARK 290 SMTRY3 5 0.000000 0.000000 -1.000000 120.07500 REMARK 290 SMTRY1 6 1.000000 0.000000 0.000000 32.30500 REMARK 290 SMTRY2 6 0.000000 -1.000000 0.000000 32.30500 REMARK 290 SMTRY3 6 0.000000 0.000000 -1.000000 40.02500 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 80.05000 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: HEXAMERIC REMARK 350 SOFTWARE DETERMINED QUATERNARY STRUCTURE: HEXAMERIC REMARK 350 SOFTWARE USED: PISA,PQS REMARK 350 TOTAL BURIED SURFACE AREA: 18180 ANGSTROM**2 REMARK 350 SURFACE AREA OF THE COMPLEX: 20610 ANGSTROM**2 REMARK 350 CHANGE IN SOLVENT FREE ENERGY: -105.0 KCAL/MOL REMARK 350 APPLY THE FOLLOWING TO CHAINS: A, B, C 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 0.000000 1.000000 0.000000 0.00000 REMARK 350 BIOMT2 2 1.000000 0.000000 0.000000 0.00000 REMARK 350 BIOMT3 2 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 B 702 LIES ON A SPECIAL POSITION. 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 104 REMARK 465 GLN A 105 REMARK 465 GLY A 106 REMARK 465 VAL A 107 REMARK 465 LEU A 108 REMARK 465 SER A 109 REMARK 465 SER A 110 REMARK 465 PHE A 111 REMARK 465 PRO A 112 REMARK 465 ALA A 113 REMARK 465 PRO A 114 REMARK 465 GLN A 115 REMARK 465 ALA A 116 REMARK 465 VAL A 117 REMARK 465 GLN A 118 REMARK 465 ASP A 119 REMARK 465 ASN A 120 REMARK 465 PRO A 121 REMARK 465 ALA A 122 REMARK 465 MET A 123 REMARK 465 PRO A 124 REMARK 465 THR A 125 REMARK 465 SER A 126 REMARK 465 SER A 127 REMARK 465 GLY A 128 REMARK 465 SER A 129 REMARK 465 GLU A 130 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 SG CYS A 285 C ASA C 505 1.80 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 LYS A 148 51.25 -151.07 REMARK 500 SER A 175 30.34 -140.30 REMARK 500 ASN A 205 75.78 44.57 REMARK 500 SER A 229 -179.54 -175.11 REMARK 500 SER A 236 174.21 178.26 REMARK 500 LYS A 247 46.31 -93.30 REMARK 500 ASP A 254 63.59 -159.39 REMARK 500 CYS A 270 63.82 -161.66 REMARK 500 ASP A 275 18.68 59.08 REMARK 500 ILE B 328 112.09 -178.99 REMARK 500 ASP B 336 -11.75 73.63 REMARK 500 PRO B 380 99.02 -56.82 REMARK 500 PHE B 401 51.13 24.68 REMARK 500 REMARK 500 REMARK: NULL REMARK 800 REMARK 800 SITE REMARK 800 SITE_IDENTIFIER: S1 REMARK 800 EVIDENCE_CODE: UNKNOWN REMARK 800 SITE_DESCRIPTION: INHIBITOR BINDING SUB-SITE S1. REMARK 800 REMARK 800 SITE_IDENTIFIER: S2 REMARK 800 EVIDENCE_CODE: UNKNOWN REMARK 800 SITE_DESCRIPTION: INHIBITOR BINDING SUB-SITE S2. REMARK 800 REMARK 800 SITE_IDENTIFIER: S3 REMARK 800 EVIDENCE_CODE: UNKNOWN REMARK 800 SITE_DESCRIPTION: INHIBITOR BINDING SUB-SITE S3. REMARK 800 REMARK 800 SITE_IDENTIFIER: S4 REMARK 800 EVIDENCE_CODE: UNKNOWN REMARK 800 SITE_DESCRIPTION: INHIBITOR BINDING SUB-SITE S4. REMARK 800 REMARK 800 SITE_IDENTIFIER: AC1 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR CHAIN C OF PEPTIDE ACE-TRP-GLU REMARK 800 -HIS-ASA DBREF 1IBC A 104 297 UNP P29466 I1BC_HUMAN 104 297 DBREF 1IBC B 317 404 UNP P29466 I1BC_HUMAN 317 404 DBREF 1IBC C 501 505 PDB 1IBC 1IBC 501 505 SEQADV 1IBC ALA B 381 UNP P29466 ASP 381 ENGINEERED MUTATION SEQRES 1 A 194 SER GLN GLY VAL LEU SER SER PHE PRO ALA PRO GLN ALA SEQRES 2 A 194 VAL GLN ASP ASN PRO ALA MET PRO THR SER SER GLY SER SEQRES 3 A 194 GLU GLY ASN VAL LYS LEU CYS SER LEU GLU GLU ALA GLN SEQRES 4 A 194 ARG ILE TRP LYS GLN LYS SER ALA GLU ILE TYR PRO ILE SEQRES 5 A 194 MET ASP LYS SER SER ARG THR ARG LEU ALA LEU ILE ILE SEQRES 6 A 194 CYS ASN GLU GLU PHE ASP SER ILE PRO ARG ARG THR GLY SEQRES 7 A 194 ALA GLU VAL ASP ILE THR GLY MET THR MET LEU LEU GLN SEQRES 8 A 194 ASN LEU GLY TYR SER VAL ASP VAL LYS LYS ASN LEU THR SEQRES 9 A 194 ALA SER ASP MET THR THR GLU LEU GLU ALA PHE ALA HIS SEQRES 10 A 194 ARG PRO GLU HIS LYS THR SER ASP SER THR PHE LEU VAL SEQRES 11 A 194 PHE MET SER HIS GLY ILE ARG GLU GLY ILE CYS GLY LYS SEQRES 12 A 194 LYS HIS SER GLU GLN VAL PRO ASP ILE LEU GLN LEU ASN SEQRES 13 A 194 ALA ILE PHE ASN MET LEU ASN THR LYS ASN CYS PRO SER SEQRES 14 A 194 LEU LYS ASP LYS PRO LYS VAL ILE ILE ILE GLN ALA CYS SEQRES 15 A 194 ARG GLY ASP SER PRO GLY VAL VAL TRP PHE LYS ASP SEQRES 1 B 88 ALA ILE LYS LYS ALA HIS ILE GLU LYS ASP PHE ILE ALA SEQRES 2 B 88 PHE CYS SER SER THR PRO ASP ASN VAL SER TRP ARG HIS SEQRES 3 B 88 PRO THR MET GLY SER VAL PHE ILE GLY ARG LEU ILE GLU SEQRES 4 B 88 HIS MET GLN GLU TYR ALA CYS SER CYS ASP VAL GLU GLU SEQRES 5 B 88 ILE PHE ARG LYS VAL ARG PHE SER PHE GLU GLN PRO ALA SEQRES 6 B 88 GLY ARG ALA GLN MET PRO THR THR GLU ARG VAL THR LEU SEQRES 7 B 88 THR ARG CYS PHE TYR LEU PHE PRO GLY HIS SEQRES 1 C 5 ACE TRP GLU HIS ASA MODRES 1IBC ASA C 505 ASP ASPARTIC ALDEHYDE HET ACE C 501 3 HET ASA C 505 8 HETNAM ACE ACETYL GROUP HETNAM ASA ASPARTIC ALDEHYDE FORMUL 3 ACE C2 H4 O FORMUL 3 ASA C4 H7 N O3 FORMUL 4 HOH *38(H2 O) HELIX 1 A LEU A 138 LYS A 148 1 11 HELIX 2 B ALA A 182 LEU A 196 1 15 HELIX 3 C ALA A 208 HIS A 220 1 13 HELIX 4 D LEU A 258 LEU A 265 1 8 HELIX 5 E VAL B 348 ALA B 361 1 14 HELIX 6 F VAL B 366 PHE B 377 1 12 SHEET 1 1 6 SER A 199 LYS A 204 0 SHEET 2 1 6 LEU A 164 CYS A 169 1 N ALA A 165 O ASP A 201 SHEET 3 1 6 THR A 230 SER A 236 1 N PHE A 231 O LEU A 166 SHEET 4 1 6 LYS A 278 ALA A 284 1 N VAL A 279 O LEU A 232 SHEET 5 1 6 PHE B 327 CYS B 331 1 N ILE B 328 O ILE A 280 SHEET 6 1 6 THR B 388 GLU B 390 -1 N GLU B 390 O ALA B 329 SHEET 1 2 3 GLY B 346 SER B 347 0 SHEET 2 2 3 TRP B 340 HIS B 342 -1 O HIS B 342 N GLY B 346 SHEET 3 2 3 GLU C 503 HIS C 504 -1 O GLU C 503 N ARG B 341 SHEET 1 3 3 GLY A 238 ILE A 239 0 SHEET 2 3 3 GLY A 242 GLY A 245 -1 O GLY A 242 N ILE A 239 SHEET 3 3 3 ASP A 254 GLN A 257 -1 O LEU A 256 N ILE A 243 SHEET 1 4 1 VAL A 292 LYS A 296 0 LINK C ACE C 501 N TRP C 502 1555 1555 1.33 LINK C HIS C 504 N ASA C 505 1555 1555 1.33 SITE 1 S1 10 ARG A 179 SER A 236 HIS A 237 GLY A 238 SITE 2 S1 10 GLN A 283 ALA A 284 CYS A 285 SER B 339 SITE 3 S1 10 ARG A 240 ARG B 341 SITE 1 S2 5 CYS A 285 VAL B 338 SER B 339 TRP B 340 SITE 2 S2 5 ARG B 341 SITE 1 S3 6 ARG A 178 ARG A 179 THR A 180 TRP B 340 SITE 2 S3 6 ARG B 341 PRO B 343 SITE 1 S4 8 TRP B 340 ARG B 341 HIS B 342 MET B 345 SITE 2 S4 8 GLY B 346 SER B 347 VAL B 348 ARG B 383 SITE 1 AC1 11 ARG A 179 HIS A 237 GLN A 283 CYS A 285 SITE 2 AC1 11 SER B 339 TRP B 340 ARG B 341 HIS B 342 SITE 3 AC1 11 PRO B 343 VAL B 348 ARG B 383 CRYST1 64.610 64.610 160.100 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 0.015477 0.000000 0.000000 0.00000 SCALE2 0.000000 0.015477 0.000000 0.00000 SCALE3 0.000000 0.000000 0.006246 0.00000