HEADER HYDROLASE INHIBITOR 17-NOV-98 1CQ4 TITLE CI2 MUTANT WITH TETRAGLUTAMINE (MGQQQQGM) REPLACING MET59 COMPND MOL_ID: 1; COMPND 2 MOLECULE: PROTEIN (SERINE PROTEINASE INHIBITOR 2); COMPND 3 CHAIN: A; COMPND 4 SYNONYM: CHYMOTRYPSIN INHIBITOR 2, CI2; COMPND 5 ENGINEERED: YES; COMPND 6 MUTATION: YES; COMPND 7 OTHER_DETAILS: EXISTS AS A1B2/A2B1 DOMAIN-SWAPPED DIMER; COMPND 8 MOL_ID: 2; COMPND 9 MOLECULE: PROTEIN (SERINE PROTEINASE INHIBITOR 2); COMPND 10 CHAIN: B; COMPND 11 SYNONYM: CHYMOTRYPSIN INHIBITOR 2, CI2; COMPND 12 ENGINEERED: YES; COMPND 13 MUTATION: YES; COMPND 14 OTHER_DETAILS: EXISTS AS A1B2/A2B1 DOMAIN-SWAPPED DIMER SOURCE MOL_ID: 1; SOURCE 2 ORGANISM_SCIENTIFIC: HORDEUM VULGARE; SOURCE 3 ORGANISM_TAXID: 4513; SOURCE 4 STRAIN: HIPROLY; SOURCE 5 EXPRESSION_SYSTEM: ESCHERICHIA COLI; SOURCE 6 EXPRESSION_SYSTEM_TAXID: 562; SOURCE 7 EXPRESSION_SYSTEM_VARIANT: NM554; SOURCE 8 EXPRESSION_SYSTEM_PLASMID: PCI2-Q4I; SOURCE 9 MOL_ID: 2; SOURCE 10 ORGANISM_SCIENTIFIC: HORDEUM VULGARE; SOURCE 11 ORGANISM_TAXID: 4513; SOURCE 12 STRAIN: HIPROLY; SOURCE 13 EXPRESSION_SYSTEM: ESCHERICHIA COLI; SOURCE 14 EXPRESSION_SYSTEM_TAXID: 562; SOURCE 15 EXPRESSION_SYSTEM_VARIANT: NM554; SOURCE 16 EXPRESSION_SYSTEM_PLASMID: PCI2-Q4I KEYWDS SERINE PROTEASE INHIBITOR, POLYGLUTAMINE INSERTION MUTANT, KEYWDS 2 SUBTILISIN- CHYMOTRYPSIN INHIBITOR-2, IMMUNE SYSTEM, HYDROLASE KEYWDS 3 INHIBITOR EXPDTA X-RAY DIFFRACTION AUTHOR Y.W.CHEN,K.R.STOTT REVDAT 8 09-AUG-23 1CQ4 1 REMARK REVDAT 7 03-NOV-21 1CQ4 1 REMARK SEQADV REVDAT 6 13-JUL-11 1CQ4 1 VERSN REVDAT 5 24-FEB-09 1CQ4 1 VERSN REVDAT 4 02-FEB-00 1CQ4 1 REMARK JRNL REVDAT 3 29-DEC-99 1CQ4 4 HEADER COMPND REMARK JRNL REVDAT 3 2 4 ATOM SOURCE SEQRES REVDAT 2 09-DEC-98 1CQ4 3 HET COMPND REMARK TITLE REVDAT 2 2 3 HETATM DBREF SEQADV TER REVDAT 2 3 3 LINK ATOM SEQRES AUTHOR REVDAT 2 4 3 FORMUL JRNL CONECT HETNAM REVDAT 1 25-NOV-98 1CQ4 0 JRNL AUTH Y.W.CHEN,K.STOTT,M.F.PERUTZ JRNL TITL CRYSTAL STRUCTURE OF A DIMERIC CHYMOTRYPSIN INHIBITOR 2 JRNL TITL 2 MUTANT CONTAINING AN INSERTED GLUTAMINE REPEAT. JRNL REF PROC.NATL.ACAD.SCI.USA V. 96 1257 1999 JRNL REFN ISSN 0027-8424 JRNL PMID 9990011 JRNL DOI 10.1073/PNAS.96.4.1257 REMARK 1 REMARK 1 REFERENCE 1 REMARK 1 AUTH A.G.LADURNER,A.R.FERSHT REMARK 1 TITL GLUTAMINE, ALANINE OR GLYCINE REPEATS INSERTED INTO THE LOOP REMARK 1 TITL 2 OF A PROTEIN HAVE MINIMAL EFFECTS ON STABILITY AND FOLDING REMARK 1 TITL 3 RATES REMARK 1 REF J.MOL.BIOL. V. 273 330 1997 REMARK 1 REFN ISSN 0022-2836 REMARK 1 REFERENCE 2 REMARK 1 AUTH J.L.NEIRA,B.DAVIS,A.G.LADURNER,A.M.BUCKLE,G.DE PRAT GAY, REMARK 1 AUTH 2 A.R.FERSHT REMARK 1 TITL TOWARDS THE COMPLETE STRUCTURAL CHARACTERIZATION OF A REMARK 1 TITL 2 PROTEIN FOLDING PATHWAY: THE STRUCTURES OF THE DENATURED, REMARK 1 TITL 3 TRANSITION AND NATIVE STATES FOR THE ASSOCIATION/FOLDING OF REMARK 1 TITL 4 TWO COMPLEMENTARY FRAGMENTS OF CLEAVED CHYMOTRYPSIN REMARK 1 TITL 5 INHIBITOR 2. DIRECTION EVIDENCE FOR A REMARK 1 TITL 6 NUCLEATION-CONDENSATION MECHANISM REMARK 1 REF FOLD.DES. V. 1 189 1996 REMARK 1 REFN ISSN 1359-0278 REMARK 1 REFERENCE 3 REMARK 1 AUTH K.STOTT,J.M.BLACKBURN,P.J.G.BUTLER,M.PERUTZ REMARK 1 TITL INCORPORATION OF GLUTAMINE REPEATS MAKES PROTEIN REMARK 1 TITL 2 OLIGOMERIZE: IMPLICATIONS FOR NEURODEGENERATIVE DISEASES REMARK 1 REF PROC.NATL.ACAD.SCI.USA V. 92 6509 1995 REMARK 1 REFN ISSN 0027-8424 REMARK 1 REFERENCE 4 REMARK 1 AUTH C.A.MCPHALEN,M.N.G.JAMES REMARK 1 TITL CRYSTAL AND MOLECULAR STRUCTURE OF THE SERINE PROTEINASE REMARK 1 TITL 2 INHIBITOR CI-2 FROM BARLEY SEEDS REMARK 1 REF BIOCHEMISTRY V. 26 261 1987 REMARK 1 REFN ISSN 0006-2960 REMARK 1 REFERENCE 5 REMARK 1 AUTH G.M.CLORE,A.M.GRONENBORN,M.KJAER,F.M.POULSEN REMARK 1 TITL THE DETERMINATION OF THE THREE-DIMENSIONAL STRUCTURE OF REMARK 1 TITL 2 BARLEY SERINE PROTEINASE INHIBITOR 2 BY NUCLEAR MAGNETIC REMARK 1 TITL 3 RESONANCE, DISTANCE GEOMETRY AND RESTRAINED MOLECULAR REMARK 1 TITL 4 DYNAMICS REMARK 1 REF PROTEIN ENG. V. 1 305 1987 REMARK 1 REFN ISSN 0269-2139 REMARK 2 REMARK 2 RESOLUTION. 1.80 ANGSTROMS. REMARK 3 REMARK 3 REFINEMENT. REMARK 3 PROGRAM : REFMAC REMARK 3 AUTHORS : MURSHUDOV,SKUBAK,LEBEDEV,PANNU,STEINER, REMARK 3 : NICHOLLS,WINN,LONG,VAGIN REMARK 3 REMARK 3 DATA USED IN REFINEMENT. REMARK 3 RESOLUTION RANGE HIGH (ANGSTROMS) : 1.80 REMARK 3 RESOLUTION RANGE LOW (ANGSTROMS) : 22.00 REMARK 3 DATA CUTOFF (SIGMA(F)) : 0.000 REMARK 3 COMPLETENESS FOR RANGE (%) : 99.7 REMARK 3 NUMBER OF REFLECTIONS : 7358 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 + TEST SET) : NULL REMARK 3 R VALUE (WORKING SET) : 0.240 REMARK 3 FREE R VALUE : 0.300 REMARK 3 FREE R VALUE TEST SET SIZE (%) : 10.000 REMARK 3 FREE R VALUE TEST SET COUNT : 795 REMARK 3 REMARK 3 NUMBER OF NON-HYDROGEN ATOMS USED IN REFINEMENT. REMARK 3 PROTEIN ATOMS : 481 REMARK 3 NUCLEIC ACID ATOMS : 0 REMARK 3 HETEROGEN ATOMS : 5 REMARK 3 SOLVENT ATOMS : 55 REMARK 3 REMARK 3 B VALUES. REMARK 3 FROM WILSON PLOT (A**2) : 23.50 REMARK 3 MEAN B VALUE (OVERALL, A**2) : 32.20 REMARK 3 OVERALL ANISOTROPIC B VALUE. REMARK 3 B11 (A**2) : -6.10000 REMARK 3 B22 (A**2) : -9.00000 REMARK 3 B33 (A**2) : 23.90000 REMARK 3 B12 (A**2) : -5.10000 REMARK 3 B13 (A**2) : 0.00000 REMARK 3 B23 (A**2) : 0.00000 REMARK 3 REMARK 3 ESTIMATED OVERALL COORDINATE ERROR. REMARK 3 ESU BASED ON R VALUE (A): 0.140 REMARK 3 ESU BASED ON FREE R VALUE (A): 0.150 REMARK 3 ESU BASED ON MAXIMUM LIKELIHOOD (A): 0.080 REMARK 3 ESU FOR B VALUES BASED ON MAXIMUM LIKELIHOOD (A**2): 2.420 REMARK 3 REMARK 3 RMS DEVIATIONS FROM IDEAL VALUES. REMARK 3 DISTANCE RESTRAINTS. RMS SIGMA REMARK 3 BOND LENGTH (A) : 0.016 ; 0.020 REMARK 3 ANGLE DISTANCE (A) : 0.034 ; 0.040 REMARK 3 INTRAPLANAR 1-4 DISTANCE (A) : 0.033 ; 0.050 REMARK 3 H-BOND OR METAL COORDINATION (A) : NULL ; NULL REMARK 3 REMARK 3 PLANE RESTRAINT (A) : 0.026 ; 0.030 REMARK 3 CHIRAL-CENTER RESTRAINT (A**3) : 0.150 ; 0.150 REMARK 3 REMARK 3 NON-BONDED CONTACT RESTRAINTS. REMARK 3 SINGLE TORSION (A) : 0.190 ; 0.300 REMARK 3 MULTIPLE TORSION (A) : 0.250 ; 0.300 REMARK 3 H-BOND (X...Y) (A) : 0.090 ; 0.300 REMARK 3 H-BOND (X-H...Y) (A) : NULL ; NULL REMARK 3 REMARK 3 CONFORMATIONAL TORSION ANGLE RESTRAINTS. REMARK 3 SPECIFIED (DEGREES) : 15.000; NULL REMARK 3 PLANAR (DEGREES) : 4.700 ; 7.000 REMARK 3 STAGGERED (DEGREES) : 16.900; 15.000 REMARK 3 TRANSVERSE (DEGREES) : 8.800 ; 20.000 REMARK 3 REMARK 3 ISOTROPIC THERMAL FACTOR RESTRAINTS. RMS SIGMA REMARK 3 MAIN-CHAIN BOND (A**2) : 1.640 ; 2.000 REMARK 3 MAIN-CHAIN ANGLE (A**2) : 2.380 ; 3.000 REMARK 3 SIDE-CHAIN BOND (A**2) : 2.570 ; 2.000 REMARK 3 SIDE-CHAIN ANGLE (A**2) : 3.860 ; 3.000 REMARK 3 REMARK 3 OTHER REFINEMENT REMARKS: NULL REMARK 4 REMARK 4 1CQ4 COMPLIES WITH FORMAT V. 3.30, 13-JUL-11 REMARK 100 REMARK 100 THIS ENTRY HAS BEEN PROCESSED BY RCSB. REMARK 100 THE DEPOSITION ID IS D_1000008249. REMARK 200 REMARK 200 EXPERIMENTAL DETAILS REMARK 200 EXPERIMENT TYPE : X-RAY DIFFRACTION REMARK 200 DATE OF DATA COLLECTION : 24-JUN-96 REMARK 200 TEMPERATURE (KELVIN) : 100.0 REMARK 200 PH : 7.5 REMARK 200 NUMBER OF CRYSTALS USED : 1 REMARK 200 REMARK 200 SYNCHROTRON (Y/N) : Y REMARK 200 RADIATION SOURCE : EMBL/DESY, HAMBURG REMARK 200 BEAMLINE : X11 REMARK 200 X-RAY GENERATOR MODEL : NULL REMARK 200 MONOCHROMATIC OR LAUE (M/L) : M REMARK 200 WAVELENGTH OR RANGE (A) : 0.912 REMARK 200 MONOCHROMATOR : NULL REMARK 200 OPTICS : BENT MIRROR REMARK 200 REMARK 200 DETECTOR TYPE : IMAGE PLATE REMARK 200 DETECTOR MANUFACTURER : MARRESEARCH REMARK 200 INTENSITY-INTEGRATION SOFTWARE : MOSFLM REMARK 200 DATA SCALING SOFTWARE : CCP4 (SCALA) REMARK 200 REMARK 200 NUMBER OF UNIQUE REFLECTIONS : 8153 REMARK 200 RESOLUTION RANGE HIGH (A) : 1.800 REMARK 200 RESOLUTION RANGE LOW (A) : 22.300 REMARK 200 REJECTION CRITERIA (SIGMA(I)) : NULL REMARK 200 REMARK 200 OVERALL. REMARK 200 COMPLETENESS FOR RANGE (%) : 99.7 REMARK 200 DATA REDUNDANCY : 10.60 REMARK 200 R MERGE (I) : 0.08100 REMARK 200 R SYM (I) : 0.07800 REMARK 200 <I/SIGMA(I)> FOR THE DATA SET : 3.6000 REMARK 200 REMARK 200 IN THE HIGHEST RESOLUTION SHELL. REMARK 200 HIGHEST RESOLUTION SHELL, RANGE HIGH (A) : 1.80 REMARK 200 HIGHEST RESOLUTION SHELL, RANGE LOW (A) : 1.90 REMARK 200 COMPLETENESS FOR SHELL (%) : 100.0 REMARK 200 DATA REDUNDANCY IN SHELL : 10.80 REMARK 200 R MERGE FOR SHELL (I) : 0.33800 REMARK 200 R SYM FOR SHELL (I) : 0.32500 REMARK 200 <I/SIGMA(I)> FOR SHELL : 2.300 REMARK 200 REMARK 200 DIFFRACTION PROTOCOL: SINGLE WAVELENGTH REMARK 200 METHOD USED TO DETERMINE THE STRUCTURE: MOLECULAR REPLACEMENT REMARK 200 SOFTWARE USED: AMORE REMARK 200 STARTING MODEL: PDB ENTRY 2CI2 REMARK 200 REMARK 200 REMARK: NULL REMARK 280 REMARK 280 CRYSTAL REMARK 280 SOLVENT CONTENT, VS (%): 53.00 REMARK 280 MATTHEWS COEFFICIENT, VM (ANGSTROMS**3/DA): 2.60 REMARK 280 REMARK 280 CRYSTALLIZATION CONDITIONS: DROPS WERE PREPARED BY MIXING 2 REMARK 280 MICROLITERS OF PURIFIED DIMER AT 25MG/ML WITH AN EQUAL VOLUME OF REMARK 280 BUFFER (30% W/V PEG-400, 1.0 M LITHIUM SULPHATE, AND 1 MM REMARK 280 CALCIUM CHLORIDE, IN 0.1 M TRIS-HCL AT PH 7.5), WHICH WAS ALSO REMARK 280 USED AS THE WELL BUFFER (1 ML). REMARK 290 REMARK 290 CRYSTALLOGRAPHIC SYMMETRY REMARK 290 SYMMETRY OPERATORS FOR SPACE GROUP: P 6 2 2 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 -X,-Y,Z REMARK 290 5555 Y,-X+Y,Z REMARK 290 6555 X-Y,X,Z REMARK 290 7555 Y,X,-Z REMARK 290 8555 X-Y,-Y,-Z REMARK 290 9555 -X,-X+Y,-Z REMARK 290 10555 -Y,-X,-Z REMARK 290 11555 -X+Y,Y,-Z REMARK 290 12555 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 -1.000000 0.000000 0.000000 0.00000 REMARK 290 SMTRY2 4 0.000000 -1.000000 0.000000 0.00000 REMARK 290 SMTRY3 4 0.000000 0.000000 1.000000 0.00000 REMARK 290 SMTRY1 5 0.500000 0.866025 0.000000 0.00000 REMARK 290 SMTRY2 5 -0.866025 0.500000 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 SMTRY1 7 -0.500000 0.866025 0.000000 0.00000 REMARK 290 SMTRY2 7 0.866025 0.500000 0.000000 0.00000 REMARK 290 SMTRY3 7 0.000000 0.000000 -1.000000 0.00000 REMARK 290 SMTRY1 8 1.000000 0.000000 0.000000 0.00000 REMARK 290 SMTRY2 8 0.000000 -1.000000 0.000000 0.00000 REMARK 290 SMTRY3 8 0.000000 0.000000 -1.000000 0.00000 REMARK 290 SMTRY1 9 -0.500000 -0.866025 0.000000 0.00000 REMARK 290 SMTRY2 9 -0.866025 0.500000 0.000000 0.00000 REMARK 290 SMTRY3 9 0.000000 0.000000 -1.000000 0.00000 REMARK 290 SMTRY1 10 0.500000 -0.866025 0.000000 0.00000 REMARK 290 SMTRY2 10 -0.866025 -0.500000 0.000000 0.00000 REMARK 290 SMTRY3 10 0.000000 0.000000 -1.000000 0.00000 REMARK 290 SMTRY1 11 -1.000000 0.000000 0.000000 0.00000 REMARK 290 SMTRY2 11 0.000000 1.000000 0.000000 0.00000 REMARK 290 SMTRY3 11 0.000000 0.000000 -1.000000 0.00000 REMARK 290 SMTRY1 12 0.500000 0.866025 0.000000 0.00000 REMARK 290 SMTRY2 12 0.866025 -0.500000 0.000000 0.00000 REMARK 290 SMTRY3 12 0.000000 0.000000 -1.000000 0.00000 REMARK 290 REMARK 290 REMARK: NULL REMARK 300 REMARK 300 BIOMOLECULE: 1, 2, 3 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: TETRAMERIC 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 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 REMARK 350 BIOMOLECULE: 2 REMARK 350 SOFTWARE DETERMINED QUATERNARY STRUCTURE: DODECAMERIC REMARK 350 SOFTWARE USED: PISA REMARK 350 TOTAL BURIED SURFACE AREA: 19290 ANGSTROM**2 REMARK 350 SURFACE AREA OF THE COMPLEX: 17310 ANGSTROM**2 REMARK 350 CHANGE IN SOLVENT FREE ENERGY: -226.0 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 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 -1.000000 0.000000 0.000000 0.00000 REMARK 350 BIOMT2 4 0.000000 -1.000000 0.000000 0.00000 REMARK 350 BIOMT3 4 0.000000 0.000000 1.000000 0.00000 REMARK 350 BIOMT1 5 0.500000 0.866025 0.000000 0.00000 REMARK 350 BIOMT2 5 -0.866025 0.500000 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 350 REMARK 350 BIOMOLECULE: 3 REMARK 350 SOFTWARE DETERMINED QUATERNARY STRUCTURE: 24-MERIC REMARK 350 SOFTWARE USED: PQS 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 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 -1.000000 0.000000 0.000000 0.00000 REMARK 350 BIOMT2 4 0.000000 -1.000000 0.000000 0.00000 REMARK 350 BIOMT3 4 0.000000 0.000000 1.000000 0.00000 REMARK 350 BIOMT1 5 0.500000 0.866025 0.000000 0.00000 REMARK 350 BIOMT2 5 -0.866025 0.500000 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 350 BIOMT1 7 -0.500000 0.866025 0.000000 0.00000 REMARK 350 BIOMT2 7 0.866025 0.500000 0.000000 0.00000 REMARK 350 BIOMT3 7 0.000000 0.000000 -1.000000 60.83300 REMARK 350 BIOMT1 8 1.000000 0.000000 0.000000 0.00000 REMARK 350 BIOMT2 8 0.000000 -1.000000 0.000000 0.00000 REMARK 350 BIOMT3 8 0.000000 0.000000 -1.000000 60.83300 REMARK 350 BIOMT1 9 -0.500000 -0.866025 0.000000 0.00000 REMARK 350 BIOMT2 9 -0.866025 0.500000 0.000000 0.00000 REMARK 350 BIOMT3 9 0.000000 0.000000 -1.000000 60.83300 REMARK 350 BIOMT1 10 0.500000 -0.866025 0.000000 0.00000 REMARK 350 BIOMT2 10 -0.866025 -0.500000 0.000000 0.00000 REMARK 350 BIOMT3 10 0.000000 0.000000 -1.000000 60.83300 REMARK 350 BIOMT1 11 -1.000000 0.000000 0.000000 0.00000 REMARK 350 BIOMT2 11 0.000000 1.000000 0.000000 0.00000 REMARK 350 BIOMT3 11 0.000000 0.000000 -1.000000 60.83300 REMARK 350 BIOMT1 12 0.500000 0.866025 0.000000 0.00000 REMARK 350 BIOMT2 12 0.866025 -0.500000 0.000000 0.00000 REMARK 350 BIOMT3 12 0.000000 0.000000 -1.000000 60.83300 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 MET A 20 REMARK 465 THR A 58 REMARK 465 MET A 59 REMARK 465 GLY A 60 REMARK 465 GLN A 61 REMARK 465 GLN A 62 REMARK 465 GLN A 63 REMARK 465 GLN A 64 REMARK 465 GLY A 65 REMARK 465 MET A 66 REMARK 465 GLU B 60 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 GLU A 34 C CG CD OE1 OE2 REMARK 480 LYS A 37 CD CE NZ 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 OE1 GLU A 34 O HOH A 88 0.21 REMARK 500 CD GLU A 34 O HOH A 88 1.21 REMARK 500 OE2 GLU A 34 O HOH A 88 1.95 REMARK 500 REMARK 500 REMARK: NULL REMARK 500 REMARK 500 GEOMETRY AND STEREOCHEMISTRY REMARK 500 SUBTOPIC: CLOSE CONTACTS REMARK 500 REMARK 500 THE FOLLOWING ATOMS THAT ARE RELATED BY CRYSTALLOGRAPHIC REMARK 500 SYMMETRY ARE IN CLOSE CONTACT. AN ATOM LOCATED WITHIN 0.15 REMARK 500 ANGSTROMS OF A SYMMETRY RELATED ATOM IS ASSUMED TO BE ON A REMARK 500 SPECIAL POSITION AND IS, THEREFORE, LISTED IN REMARK 375 REMARK 500 INSTEAD OF REMARK 500. ATOMS WITH NON-BLANK ALTERNATE REMARK 500 LOCATION INDICATORS ARE NOT INCLUDED IN THE CALCULATIONS. REMARK 500 REMARK 500 DISTANCE CUTOFF: REMARK 500 2.2 ANGSTROMS FOR CONTACTS NOT INVOLVING HYDROGEN ATOMS REMARK 500 1.6 ANGSTROMS FOR CONTACTS INVOLVING HYDROGEN ATOMS REMARK 500 REMARK 500 ATM1 RES C SSEQI ATM2 RES C SSEQI SSYMOP DISTANCE REMARK 500 OE2 GLU A 33 OE2 GLU A 34 11556 1.00 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 GLU A 34 CA - CB - CG ANGL. DEV. = 14.7 DEGREES REMARK 500 GLU A 34 CB - CG - CD ANGL. DEV. = 21.8 DEGREES REMARK 500 GLU A 34 OE1 - CD - OE2 ANGL. DEV. = -12.7 DEGREES REMARK 500 GLU A 45 OE1 - CD - OE2 ANGL. DEV. = -7.7 DEGREES REMARK 500 ARG B 62 CD - NE - CZ ANGL. DEV. = 8.9 DEGREES REMARK 500 ASP B 71 CB - CG - OD1 ANGL. DEV. = 7.3 DEGREES 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 B 1001 DBREF 1CQ4 A 21 58 UNP P01053 ICI2_HORVU 21 59 DBREF 1CQ4 B 60 83 UNP P01053 ICI2_HORVU 60 83 SEQADV 1CQ4 MET A 20 UNP P01053 LEU 20 ENGINEERED MUTATION SEQADV 1CQ4 GLY A 60 UNP P01053 INSERTION SEQADV 1CQ4 GLN A 61 UNP P01053 INSERTION SEQADV 1CQ4 GLN A 62 UNP P01053 INSERTION SEQADV 1CQ4 GLN A 63 UNP P01053 INSERTION SEQADV 1CQ4 GLN A 64 UNP P01053 INSERTION SEQADV 1CQ4 GLY A 65 UNP P01053 INSERTION SEQADV 1CQ4 MET A 66 UNP P01053 INSERTION SEQRES 1 A 47 MET LYS THR GLU TRP PRO GLU LEU VAL GLY LYS SER VAL SEQRES 2 A 47 GLU GLU ALA LYS LYS VAL ILE LEU GLN ASP LYS PRO GLU SEQRES 3 A 47 ALA GLN ILE ILE VAL LEU PRO VAL GLY THR ILE VAL THR SEQRES 4 A 47 MET GLY GLN GLN GLN GLN GLY MET SEQRES 1 B 24 GLU TYR ARG ILE ASP ARG VAL ARG LEU PHE VAL ASP LYS SEQRES 2 B 24 LEU ASP ASN ILE ALA GLN VAL PRO ARG VAL GLY HET SO4 B1001 5 HETNAM SO4 SULFATE ION FORMUL 3 SO4 O4 S 2- FORMUL 4 HOH *55(H2 O) HELIX 1 1 TRP A 24 VAL A 28 5 5 HELIX 2 2 SER A 31 LYS A 43 1 13 SHEET 1 A 2 VAL B 66 ARG B 67 0 SHEET 2 A 2 ARG B 81 VAL B 82 -1 O ARG B 81 N ARG B 67 SITE 1 AC1 5 ARG B 62 ARG B 65 GLN B 78 VAL B 79 SITE 2 AC1 5 ARG B 81 CRYST1 68.267 68.267 60.833 90.00 90.00 120.00 P 6 2 2 12 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 0.014648 0.008457 0.000000 0.00000 SCALE2 0.000000 0.016914 0.000000 0.00000 SCALE3 0.000000 0.000000 0.016438 0.00000