HEADER HYDROLASE 18-DEC-95 1MAS TITLE PURINE NUCLEOSIDE HYDROLASE COMPND MOL_ID: 1; COMPND 2 MOLECULE: INOSINE-URIDINE NUCLEOSIDE N-RIBOHYDROLASE; COMPND 3 CHAIN: A, B; COMPND 4 SYNONYM: PURINE NUCLEOSIDE HYDROLASE, INOSINE-URIDINE NUCLEOSIDASE, COMPND 5 IU-NH; COMPND 6 EC: 3.2.2.1; COMPND 7 ENGINEERED: YES; COMPND 8 MUTATION: YES SOURCE MOL_ID: 1; SOURCE 2 ORGANISM_SCIENTIFIC: CRITHIDIA FASCICULATA; SOURCE 3 ORGANISM_TAXID: 5656; SOURCE 4 GENE: IU-NH FROM C.FASCICULATA; SOURCE 5 EXPRESSION_SYSTEM: ESCHERICHIA COLI; SOURCE 6 EXPRESSION_SYSTEM_TAXID: 562; SOURCE 7 EXPRESSION_SYSTEM_PLASMID: PET3D-IUNH; SOURCE 8 EXPRESSION_SYSTEM_GENE: IU-NH FROM C.FASCICULATA KEYWDS HYDROLASE, PURINE NUCLEOSIDE HYDROLASE, PURINE NUCLEOSIDASE, IU-NH EXPDTA X-RAY DIFFRACTION AUTHOR M.DEGANO,D.N.GOPAUL,G.SCAPIN,V.L.SCHRAMM,J.C.SACCHETTINI REVDAT 3 14-FEB-24 1MAS 1 REMARK LINK REVDAT 2 24-FEB-09 1MAS 1 VERSN REVDAT 1 17-AUG-96 1MAS 0 JRNL AUTH M.DEGANO,D.N.GOPAUL,G.SCAPIN,V.L.SCHRAMM,J.C.SACCHETTINI JRNL TITL THREE-DIMENSIONAL STRUCTURE OF THE INOSINE-URIDINE JRNL TITL 2 NUCLEOSIDE N-RIBOHYDROLASE FROM CRITHIDIA FASCICULATA. JRNL REF BIOCHEMISTRY V. 35 5971 1996 JRNL REFN ISSN 0006-2960 JRNL PMID 8634238 JRNL DOI 10.1021/BI952999M REMARK 1 REMARK 1 REFERENCE 1 REMARK 1 AUTH D.N.GOPAUL,S.L.MEYER,M.DEGANO,J.C.SACCHETTINI,V.L.SCHRAMM REMARK 1 TITL INOSINE-URIDINE NUCLEOSIDE HYDROLASE FROM CRITHIDIA REMARK 1 TITL 2 FASCICULATA. GENETIC CHARACTERIZATION, CRYSTALLIZATION, AND REMARK 1 TITL 3 IDENTIFICATION OF HISTIDINE 241 AS A CATALYTIC SITE RESIDUE REMARK 1 REF BIOCHEMISTRY V. 35 5963 1996 REMARK 1 REFN ISSN 0006-2960 REMARK 1 REFERENCE 2 REMARK 1 AUTH B.A.HORENSTEIN,D.W.PARKIN,B.ESTUPINAN,V.L.SCHRAMM REMARK 1 TITL TRANSITION-STATE ANALYSIS OF NUCLEOSIDE HYDROLASE FROM REMARK 1 TITL 2 CRITHIDIA FASCICULATA REMARK 1 REF BIOCHEMISTRY V. 30 10788 1991 REMARK 1 REFN ISSN 0006-2960 REMARK 1 REFERENCE 3 REMARK 1 AUTH D.W.PARKIN,B.A.HORENSTEIN,D.R.ABDULAH,B.ESTUPINAN, REMARK 1 AUTH 2 V.L.SCHRAMM REMARK 1 TITL NUCLEOSIDE HYDROLASE FROM CRITHIDIA FASCICULATA REMARK 1 REF J.BIOL.CHEM. V. 266 20658 1991 REMARK 1 REFN ISSN 0021-9258 REMARK 2 REMARK 2 RESOLUTION. 2.50 ANGSTROMS. REMARK 3 REMARK 3 REFINEMENT. REMARK 3 PROGRAM : TNT REMARK 3 AUTHORS : TRONRUD,TEN EYCK,MATTHEWS REMARK 3 REMARK 3 DATA USED IN REFINEMENT. REMARK 3 RESOLUTION RANGE HIGH (ANGSTROMS) : 2.50 REMARK 3 RESOLUTION RANGE LOW (ANGSTROMS) : 99.00 REMARK 3 DATA CUTOFF (SIGMA(F)) : 2.000 REMARK 3 COMPLETENESS FOR RANGE (%) : 89.1 REMARK 3 NUMBER OF REFLECTIONS : 23135 REMARK 3 REMARK 3 USING DATA ABOVE SIGMA CUTOFF. REMARK 3 CROSS-VALIDATION METHOD : NULL REMARK 3 FREE R VALUE TEST SET SELECTION : NULL REMARK 3 R VALUE (WORKING + TEST SET) : NULL REMARK 3 R VALUE (WORKING SET) : 0.170 REMARK 3 FREE R VALUE : NULL REMARK 3 FREE R VALUE TEST SET SIZE (%) : NULL REMARK 3 FREE R VALUE TEST SET COUNT : NULL REMARK 3 REMARK 3 USING ALL DATA, NO SIGMA CUTOFF. REMARK 3 R VALUE (WORKING + TEST SET, NO CUTOFF) : NULL REMARK 3 R VALUE (WORKING SET, NO CUTOFF) : NULL REMARK 3 FREE R VALUE (NO CUTOFF) : NULL REMARK 3 FREE R VALUE TEST SET SIZE (%, NO CUTOFF) : NULL REMARK 3 FREE R VALUE TEST SET COUNT (NO CUTOFF) : NULL REMARK 3 TOTAL NUMBER OF REFLECTIONS (NO CUTOFF) : NULL REMARK 3 REMARK 3 NUMBER OF NON-HYDROGEN ATOMS USED IN REFINEMENT. REMARK 3 PROTEIN ATOMS : 4618 REMARK 3 NUCLEIC ACID ATOMS : 0 REMARK 3 HETEROGEN ATOMS : 2 REMARK 3 SOLVENT ATOMS : 73 REMARK 3 REMARK 3 WILSON B VALUE (FROM FCALC, A**2) : NULL REMARK 3 REMARK 3 RMS DEVIATIONS FROM IDEAL VALUES. RMS WEIGHT COUNT REMARK 3 BOND LENGTHS (A) : 0.016 ; 1.000 ; NULL REMARK 3 BOND ANGLES (DEGREES) : 2.029 ; NULL ; NULL REMARK 3 TORSION ANGLES (DEGREES) : NULL ; NULL ; NULL REMARK 3 PSEUDOROTATION ANGLES (DEGREES) : NULL ; NULL ; NULL REMARK 3 TRIGONAL CARBON PLANES (A) : NULL ; NULL ; NULL REMARK 3 GENERAL PLANES (A) : NULL ; NULL ; NULL REMARK 3 ISOTROPIC THERMAL FACTORS (A**2) : NULL ; NULL ; NULL REMARK 3 NON-BONDED CONTACTS (A) : NULL ; NULL ; NULL REMARK 3 REMARK 3 INCORRECT CHIRAL-CENTERS (COUNT) : NULL REMARK 3 REMARK 3 BULK SOLVENT MODELING. REMARK 3 METHOD USED : NULL REMARK 3 KSOL : NULL REMARK 3 BSOL : NULL REMARK 3 REMARK 3 RESTRAINT LIBRARIES. REMARK 3 STEREOCHEMISTRY : NULL REMARK 3 ISOTROPIC THERMAL FACTOR RESTRAINTS : NULL REMARK 3 REMARK 3 OTHER REFINEMENT REMARKS: REMARK 3 TORSION ANGLES NOT RESTRAINED. MEAN B VALUE IS 28.07 ANGSTROMS**. REMARK 3 X-PLOR ALSO WAS USED. REMARK 3 REMARK 3 THE MOLECULE DENOTED BY CHAIN IDENTIFIER B SUFFERS A REMARK 3 HIGHER DEGREE OF DISORDER, AS JUDGED FROM THE TEMPERATURE REMARK 3 FACTORS THAT ARE CONSIDERABLY HIGHER. REMARK 4 REMARK 4 1MAS 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_1000174909. REMARK 200 REMARK 200 EXPERIMENTAL DETAILS REMARK 200 EXPERIMENT TYPE : X-RAY DIFFRACTION REMARK 200 DATE OF DATA COLLECTION : 24-JAN-95 REMARK 200 TEMPERATURE (KELVIN) : NULL REMARK 200 PH : NULL REMARK 200 NUMBER OF CRYSTALS USED : NULL 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 : XENGEN V. 2.1 REMARK 200 DATA SCALING SOFTWARE : NULL REMARK 200 REMARK 200 NUMBER OF UNIQUE REFLECTIONS : 25989 REMARK 200 RESOLUTION RANGE HIGH (A) : 2.500 REMARK 200 RESOLUTION RANGE LOW (A) : 99.000 REMARK 200 REJECTION CRITERIA (SIGMA(I)) : 0.000 REMARK 200 REMARK 200 OVERALL. REMARK 200 COMPLETENESS FOR RANGE (%) : 96.1 REMARK 200 DATA REDUNDANCY : 4.000 REMARK 200 R MERGE (I) : 0.07100 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: NULL REMARK 200 SOFTWARE USED: X-PLOR REMARK 200 STARTING MODEL: NULL REMARK 200 REMARK 200 REMARK: NULL REMARK 280 REMARK 280 CRYSTAL REMARK 280 SOLVENT CONTENT, VS (%): 55.49 REMARK 280 MATTHEWS COEFFICIENT, VM (ANGSTROMS**3/DA): 2.76 REMARK 280 REMARK 280 CRYSTALLIZATION CONDITIONS: NULL REMARK 290 REMARK 290 CRYSTALLOGRAPHIC SYMMETRY REMARK 290 SYMMETRY OPERATORS FOR SPACE GROUP: P 21 21 2 REMARK 290 REMARK 290 SYMOP SYMMETRY REMARK 290 NNNMMM OPERATOR REMARK 290 1555 X,Y,Z REMARK 290 2555 -X,-Y,Z REMARK 290 3555 -X+1/2,Y+1/2,-Z 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 0.00000 REMARK 290 SMTRY2 2 0.000000 -1.000000 0.000000 0.00000 REMARK 290 SMTRY3 2 0.000000 0.000000 1.000000 0.00000 REMARK 290 SMTRY1 3 -1.000000 0.000000 0.000000 31.92000 REMARK 290 SMTRY2 3 0.000000 1.000000 0.000000 65.76500 REMARK 290 SMTRY3 3 0.000000 0.000000 -1.000000 0.00000 REMARK 290 SMTRY1 4 1.000000 0.000000 0.000000 31.92000 REMARK 290 SMTRY2 4 0.000000 -1.000000 0.000000 65.76500 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: 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 -1.000000 0.000000 0.000000 0.00000 REMARK 350 BIOMT2 2 0.000000 -1.000000 0.000000 0.00000 REMARK 350 BIOMT3 2 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 ALA A 78 REMARK 465 GLY A 79 REMARK 465 HIS A 80 REMARK 465 ILE A 81 REMARK 465 HIS A 82 REMARK 465 GLY A 83 REMARK 465 ALA B 78 REMARK 465 GLY B 79 REMARK 465 HIS B 80 REMARK 465 ILE B 81 REMARK 465 HIS B 82 REMARK 465 GLY B 83 REMARK 465 GLU B 84 REMARK 465 SER B 85 REMARK 465 GLY B 86 REMARK 465 MET B 87 REMARK 465 GLY B 88 REMARK 465 THR B 89 REMARK 465 VAL B 90 REMARK 465 ALA B 91 REMARK 465 TYR B 92 REMARK 465 PRO B 93 REMARK 465 ALA B 94 REMARK 465 GLU B 95 REMARK 465 PHE B 96 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 O ASN B 281 N PRO B 282 1.75 REMARK 500 OG SER A 115 O HOH A 918 2.12 REMARK 500 CG2 THR B 226 NE2 GLN B 230 2.12 REMARK 500 REMARK 500 REMARK: NULL 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 GLN A 315 C GLN A 315 OXT 0.607 REMARK 500 LEU B 219 N LEU B 219 CA 0.224 REMARK 500 TYR B 234 N TYR B 234 CA 0.162 REMARK 500 ASN B 281 C PRO B 282 N -0.166 REMARK 500 PRO B 282 CA PRO B 282 C 0.228 REMARK 500 PRO B 282 C ARG B 283 N 0.160 REMARK 500 ARG B 283 N ARG B 283 CA 0.222 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 GLY A 12 N - CA - C ANGL. DEV. = -19.7 DEGREES REMARK 500 MET A 76 CG - SD - CE ANGL. DEV. = 9.8 DEGREES REMARK 500 GLY A 86 N - CA - C ANGL. DEV. = -15.2 DEGREES REMARK 500 PRO A 140 C - N - CD ANGL. DEV. = -18.0 DEGREES REMARK 500 PRO A 252 C - N - CD ANGL. DEV. = -25.8 DEGREES REMARK 500 ARG A 280 NE - CZ - NH2 ANGL. DEV. = 3.1 DEGREES REMARK 500 ASN A 281 O - C - N ANGL. DEV. = -16.3 DEGREES REMARK 500 ARG A 283 NE - CZ - NH2 ANGL. DEV. = 3.4 DEGREES REMARK 500 ARG A 310 NE - CZ - NH2 ANGL. DEV. = 3.3 DEGREES REMARK 500 LYS B 3 N - CA - C ANGL. DEV. = 19.4 DEGREES REMARK 500 PRO B 11 C - N - CD ANGL. DEV. = -20.3 DEGREES REMARK 500 PRO B 140 C - N - CD ANGL. DEV. = -19.4 DEGREES REMARK 500 ASP B 144 CA - CB - CG ANGL. DEV. = 23.6 DEGREES REMARK 500 ARG B 145 NE - CZ - NH2 ANGL. DEV. = 3.1 DEGREES REMARK 500 MET B 222 CG - SD - CE ANGL. DEV. = 10.0 DEGREES REMARK 500 GLN B 230 CB - CA - C ANGL. DEV. = -13.8 DEGREES REMARK 500 ARG B 233 NE - CZ - NH2 ANGL. DEV. = 3.7 DEGREES REMARK 500 TYR B 234 N - CA - CB ANGL. DEV. = 17.4 DEGREES REMARK 500 PRO B 252 C - N - CD ANGL. DEV. = -14.1 DEGREES REMARK 500 ARG B 280 NE - CZ - NH2 ANGL. DEV. = 3.7 DEGREES REMARK 500 ASN B 281 CA - C - N ANGL. DEV. = 21.8 DEGREES REMARK 500 ASN B 281 O - C - N ANGL. DEV. = -27.1 DEGREES REMARK 500 PRO B 282 C - N - CA ANGL. DEV. = -21.3 DEGREES REMARK 500 PRO B 282 CA - N - CD ANGL. DEV. = 11.6 DEGREES REMARK 500 PRO B 282 O - C - N ANGL. DEV. = -10.9 DEGREES REMARK 500 ARG B 283 NE - CZ - NH2 ANGL. DEV. = 3.6 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 LYS A 3 79.72 54.01 REMARK 500 PRO A 11 107.06 -39.95 REMARK 500 GLU A 139 74.21 -151.82 REMARK 500 ASN A 160 -50.37 -140.34 REMARK 500 GLN A 230 10.16 -62.00 REMARK 500 ARG A 233 -144.03 -130.93 REMARK 500 HIS A 241 -70.98 -90.71 REMARK 500 ASP A 251 89.40 -159.06 REMARK 500 SER A 253 -8.67 -47.68 REMARK 500 ASN A 281 -85.81 -32.07 REMARK 500 LYS B 3 104.74 24.45 REMARK 500 PRO B 11 128.70 -22.22 REMARK 500 LEU B 13 -75.22 -35.48 REMARK 500 HIS B 23 -71.18 -59.39 REMARK 500 ILE B 55 -39.60 -39.08 REMARK 500 MET B 76 -15.48 78.75 REMARK 500 ASP B 101 157.65 -41.82 REMARK 500 HIS B 157 31.39 -141.14 REMARK 500 ASN B 160 -55.34 -132.21 REMARK 500 ALA B 197 64.61 -62.16 REMARK 500 PRO B 201 -60.91 -26.35 REMARK 500 GLN B 205 -71.60 -82.50 REMARK 500 LYS B 227 -74.99 -58.04 REMARK 500 ILE B 228 -61.63 -19.24 REMARK 500 GLN B 230 14.81 -60.12 REMARK 500 ARG B 233 -115.21 -143.19 REMARK 500 TYR B 234 72.42 -155.96 REMARK 500 ALA B 236 -48.65 -28.05 REMARK 500 HIS B 241 -62.27 -130.30 REMARK 500 ASP B 251 81.56 -168.87 REMARK 500 PRO B 252 -36.22 -36.80 REMARK 500 HIS B 286 76.98 -103.69 REMARK 500 VAL B 293 -78.48 -120.93 REMARK 500 LEU B 303 -65.17 -27.94 REMARK 500 ARG B 310 -34.03 -39.89 REMARK 500 PRO B 314 96.52 -39.53 REMARK 500 REMARK 500 REMARK: NULL REMARK 500 REMARK 500 GEOMETRY AND STEREOCHEMISTRY REMARK 500 SUBTOPIC: NON-CIS, NON-TRANS REMARK 500 REMARK 500 THE FOLLOWING PEPTIDE BONDS DEVIATE SIGNIFICANTLY FROM BOTH REMARK 500 CIS AND TRANS CONFORMATION. CIS BONDS, IF ANY, ARE LISTED REMARK 500 ON CISPEP RECORDS. TRANS IS DEFINED AS 180 +/- 30 AND REMARK 500 CIS IS DEFINED AS 0 +/- 30 DEGREES. REMARK 500 MODEL OMEGA REMARK 500 MET B 218 LEU B 219 -148.78 REMARK 500 ASN B 281 PRO B 282 136.17 REMARK 500 REMARK 500 REMARK: NULL REMARK 500 REMARK 500 GEOMETRY AND STEREOCHEMISTRY REMARK 500 SUBTOPIC: MAIN CHAIN PLANARITY REMARK 500 REMARK 500 THE FOLLOWING RESIDUES HAVE A PSEUDO PLANARITY REMARK 500 TORSION ANGLE, C(I) - CA(I) - N(I+1) - O(I), GREATER REMARK 500 10.0 DEGREES. (M=MODEL NUMBER; RES=RESIDUE NAME; REMARK 500 C=CHAIN IDENTIFIER; SSEQ=SEQUENCE NUMBER; REMARK 500 I=INSERTION CODE). REMARK 500 REMARK 500 M RES CSSEQI ANGLE REMARK 500 ASN B 281 11.28 REMARK 500 REMARK 500 REMARK: NULL 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 K A 900 K REMARK 620 N RES CSSEQI ATOM REMARK 620 1 ASP A 10 OD1 REMARK 620 2 ASP A 15 OD2 76.2 REMARK 620 3 ASP A 15 OD1 97.4 51.7 REMARK 620 4 THR A 126 O 93.5 93.2 138.6 REMARK 620 5 ASP A 242 OD2 143.1 67.5 65.2 82.5 REMARK 620 6 HOH A 902 O 140.2 141.2 116.5 75.1 74.2 REMARK 620 N 1 2 3 4 5 REMARK 620 REMARK 620 COORDINATION ANGLES FOR: M RES CSSEQI METAL REMARK 620 K B 933 K REMARK 620 N RES CSSEQI ATOM REMARK 620 1 ASP B 10 OD1 REMARK 620 2 ASP B 10 OD2 39.7 REMARK 620 3 ASP B 15 OD1 76.7 100.4 REMARK 620 4 ASP B 15 OD2 54.8 93.9 44.6 REMARK 620 5 THR B 126 O 73.1 87.4 120.3 76.0 REMARK 620 6 ASP B 242 OD2 130.1 169.5 71.6 75.6 90.8 REMARK 620 7 HOH B 950 O 113.5 103.0 56.1 100.6 169.3 78.5 REMARK 620 N 1 2 3 4 5 6 REMARK 800 REMARK 800 SITE REMARK 800 SITE_IDENTIFIER: ACT REMARK 800 EVIDENCE_CODE: UNKNOWN REMARK 800 SITE_DESCRIPTION: POCKET AT THE C-TERMINAL END OF THE BETA SHEET. REMARK 800 REMARK 800 SITE_IDENTIFIER: AC1 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE K A 900 REMARK 800 REMARK 800 SITE_IDENTIFIER: AC2 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE K B 933 DBREF 1MAS A 3 315 UNP Q27546 IUNH_CRIFA 2 314 DBREF 1MAS B 3 315 UNP Q27546 IUNH_CRIFA 2 314 SEQRES 1 A 314 ALA LYS LYS ILE ILE LEU ASP CYS ASP PRO GLY LEU ASP SEQRES 2 A 314 ASP ALA VAL ALA ILE LEU LEU ALA HIS GLY ASN PRO GLU SEQRES 3 A 314 ILE GLU LEU LEU ALA ILE THR THR VAL VAL GLY ASN GLN SEQRES 4 A 314 THR LEU ALA LYS VAL THR ARG ASN ALA GLN LEU VAL ALA SEQRES 5 A 314 ASP ILE ALA GLY ILE THR GLY VAL PRO ILE ALA ALA GLY SEQRES 6 A 314 CYS ASP LYS PRO LEU VAL ARG LYS ILE MET THR ALA GLY SEQRES 7 A 314 HIS ILE HIS GLY GLU SER GLY MET GLY THR VAL ALA TYR SEQRES 8 A 314 PRO ALA GLU PHE LYS ASN LYS VAL ASP GLU ARG HIS ALA SEQRES 9 A 314 VAL ASN LEU ILE ILE ASP LEU VAL MET SER HIS GLU PRO SEQRES 10 A 314 LYS THR ILE THR LEU VAL PRO THR GLY GLY LEU THR ASN SEQRES 11 A 314 ILE ALA MET ALA ALA ARG LEU GLU PRO ARG ILE VAL ASP SEQRES 12 A 314 ARG VAL LYS GLU VAL VAL LEU MET GLY GLY GLY TYR HIS SEQRES 13 A 314 GLU GLY ASN ALA THR SER VAL ALA GLU PHE ASN ILE ILE SEQRES 14 A 314 ILE ASP PRO GLU ALA ALA HIS ILE VAL PHE ASN GLU SER SEQRES 15 A 314 TRP GLN VAL THR MET VAL GLY LEU ASP LEU THR HIS GLN SEQRES 16 A 314 ALA LEU ALA THR PRO PRO ILE LEU GLN ARG VAL LYS GLU SEQRES 17 A 314 VAL ASP THR ASN PRO ALA ARG PHE MET LEU GLU ILE MET SEQRES 18 A 314 ASP TYR TYR THR LYS ILE TYR GLN SER ASN ARG TYR MET SEQRES 19 A 314 ALA ALA ALA ALA VAL HIS ASP PRO CYS ALA VAL ALA TYR SEQRES 20 A 314 VAL ILE ASP PRO SER VAL MET THR THR GLU ARG VAL PRO SEQRES 21 A 314 VAL ASP ILE GLU LEU THR GLY LYS LEU THR LEU GLY MET SEQRES 22 A 314 THR VAL ALA ASP PHE ARG ASN PRO ARG PRO GLU HIS CYS SEQRES 23 A 314 HIS THR GLN VAL ALA VAL LYS LEU ASP PHE GLU LYS PHE SEQRES 24 A 314 TRP GLY LEU VAL LEU ASP ALA LEU GLU ARG ILE GLY ASP SEQRES 25 A 314 PRO GLN SEQRES 1 B 314 ALA LYS LYS ILE ILE LEU ASP CYS ASP PRO GLY LEU ASP SEQRES 2 B 314 ASP ALA VAL ALA ILE LEU LEU ALA HIS GLY ASN PRO GLU SEQRES 3 B 314 ILE GLU LEU LEU ALA ILE THR THR VAL VAL GLY ASN GLN SEQRES 4 B 314 THR LEU ALA LYS VAL THR ARG ASN ALA GLN LEU VAL ALA SEQRES 5 B 314 ASP ILE ALA GLY ILE THR GLY VAL PRO ILE ALA ALA GLY SEQRES 6 B 314 CYS ASP LYS PRO LEU VAL ARG LYS ILE MET THR ALA GLY SEQRES 7 B 314 HIS ILE HIS GLY GLU SER GLY MET GLY THR VAL ALA TYR SEQRES 8 B 314 PRO ALA GLU PHE LYS ASN LYS VAL ASP GLU ARG HIS ALA SEQRES 9 B 314 VAL ASN LEU ILE ILE ASP LEU VAL MET SER HIS GLU PRO SEQRES 10 B 314 LYS THR ILE THR LEU VAL PRO THR GLY GLY LEU THR ASN SEQRES 11 B 314 ILE ALA MET ALA ALA ARG LEU GLU PRO ARG ILE VAL ASP SEQRES 12 B 314 ARG VAL LYS GLU VAL VAL LEU MET GLY GLY GLY TYR HIS SEQRES 13 B 314 GLU GLY ASN ALA THR SER VAL ALA GLU PHE ASN ILE ILE SEQRES 14 B 314 ILE ASP PRO GLU ALA ALA HIS ILE VAL PHE ASN GLU SER SEQRES 15 B 314 TRP GLN VAL THR MET VAL GLY LEU ASP LEU THR HIS GLN SEQRES 16 B 314 ALA LEU ALA THR PRO PRO ILE LEU GLN ARG VAL LYS GLU SEQRES 17 B 314 VAL ASP THR ASN PRO ALA ARG PHE MET LEU GLU ILE MET SEQRES 18 B 314 ASP TYR TYR THR LYS ILE TYR GLN SER ASN ARG TYR MET SEQRES 19 B 314 ALA ALA ALA ALA VAL HIS ASP PRO CYS ALA VAL ALA TYR SEQRES 20 B 314 VAL ILE ASP PRO SER VAL MET THR THR GLU ARG VAL PRO SEQRES 21 B 314 VAL ASP ILE GLU LEU THR GLY LYS LEU THR LEU GLY MET SEQRES 22 B 314 THR VAL ALA ASP PHE ARG ASN PRO ARG PRO GLU HIS CYS SEQRES 23 B 314 HIS THR GLN VAL ALA VAL LYS LEU ASP PHE GLU LYS PHE SEQRES 24 B 314 TRP GLY LEU VAL LEU ASP ALA LEU GLU ARG ILE GLY ASP SEQRES 25 B 314 PRO GLN HET K A 900 1 HET K B 933 1 HETNAM K POTASSIUM ION FORMUL 3 K 2(K 1+) FORMUL 5 HOH *73(H2 O) HELIX 1 1 LEU A 13 GLY A 24 1 12 HELIX 2 2 LEU A 42 ILE A 55 1 14 HELIX 3 3 ALA A 105 SER A 115 1 11 HELIX 4 4 THR A 130 LEU A 138 1 9 HELIX 5 5 PRO A 140 ARG A 145 5 6 HELIX 6 6 PHE A 167 ASN A 181 1 15 HELIX 7 7 LEU A 191 GLN A 196 1 6 HELIX 8 8 PRO A 201 VAL A 210 1 10 HELIX 9 9 ASN A 213 GLN A 230 1 18 HELIX 10 10 ASP A 242 ILE A 250 5 9 HELIX 11 11 PRO A 252 VAL A 254 5 3 HELIX 12 12 PHE A 297 ILE A 311 1 15 HELIX 13 13 LEU B 13 HIS B 23 1 11 HELIX 14 14 LEU B 42 ALA B 56 1 15 HELIX 15 15 ALA B 105 MET B 114 1 10 HELIX 16 16 THR B 130 LEU B 138 1 9 HELIX 17 17 PRO B 140 ARG B 145 5 6 HELIX 18 18 GLU B 166 ILE B 171 1 6 HELIX 19 19 GLU B 174 GLU B 182 1 9 HELIX 20 20 LEU B 191 THR B 194 1 4 HELIX 21 21 PRO B 201 VAL B 210 1 10 HELIX 22 22 ASN B 213 ASN B 232 1 20 HELIX 23 23 ASP B 242 ILE B 250 1 9 HELIX 24 24 PRO B 252 VAL B 254 5 3 HELIX 25 25 PHE B 297 ILE B 311 1 15 SHEET 1 A 4 ILE A 121 PRO A 125 0 SHEET 2 A 4 LYS A 4 CYS A 9 1 N LYS A 4 O THR A 122 SHEET 3 A 4 GLU A 29 THR A 35 1 N GLU A 29 O ILE A 5 SHEET 4 A 4 PRO A 62 ALA A 65 1 N PRO A 62 O ILE A 33 SHEET 1 B 4 VAL A 149 MET A 152 0 SHEET 2 B 4 VAL A 186 VAL A 189 1 N THR A 187 O VAL A 149 SHEET 3 B 4 THR A 289 LEU A 295 1 N GLN A 290 O VAL A 186 SHEET 4 B 4 MET A 255 ARG A 259 -1 N GLU A 258 O VAL A 291 SHEET 1 C 2 VAL A 262 ILE A 264 0 SHEET 2 C 2 THR A 275 ALA A 277 -1 N VAL A 276 O ASP A 263 SHEET 1 D 4 ILE B 121 PRO B 125 0 SHEET 2 D 4 LYS B 4 CYS B 9 1 N LYS B 4 O THR B 122 SHEET 3 D 4 GLU B 29 THR B 35 1 N GLU B 29 O ILE B 5 SHEET 4 D 4 PRO B 62 ALA B 65 1 N PRO B 62 O ILE B 33 SHEET 1 E 3 VAL B 149 LEU B 151 0 SHEET 2 E 3 VAL B 186 MET B 188 1 N THR B 187 O VAL B 149 SHEET 3 E 3 THR B 289 VAL B 291 1 N GLN B 290 O VAL B 186 SHEET 1 F 2 PRO B 261 ILE B 264 0 SHEET 2 F 2 THR B 275 ASP B 278 -1 N ASP B 278 O PRO B 261 LINK OD1 ASP A 10 K K A 900 1555 1555 2.36 LINK OD2 ASP A 15 K K A 900 1555 1555 2.62 LINK OD1 ASP A 15 K K A 900 1555 1555 2.50 LINK O THR A 126 K K A 900 1555 1555 2.67 LINK OD2 ASP A 242 K K A 900 1555 1555 2.68 LINK K K A 900 O HOH A 902 1555 1555 2.52 LINK OD1 ASP B 10 K K B 933 1555 1555 2.56 LINK OD2 ASP B 10 K K B 933 1555 1555 3.42 LINK OD1 ASP B 15 K K B 933 1555 1555 2.33 LINK OD2 ASP B 15 K K B 933 1555 1555 3.18 LINK O THR B 126 K K B 933 1555 1555 2.52 LINK OD2 ASP B 242 K K B 933 1555 1555 2.56 LINK K K B 933 O HOH B 950 1555 1555 3.62 SITE 1 ACT 10 ASP A 10 ASP A 14 ASP A 15 HIS A 241 SITE 2 ACT 10 ASP A 242 ASP B 10 ASP B 14 ASP B 15 SITE 3 ACT 10 HIS B 241 ASP B 242 SITE 1 AC1 5 ASP A 10 ASP A 15 THR A 126 ASP A 242 SITE 2 AC1 5 HOH A 902 SITE 1 AC2 4 ASP B 10 ASP B 15 THR B 126 ASP B 242 CRYST1 63.840 131.530 90.100 90.00 90.00 90.00 P 21 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 0.015664 0.000000 0.000000 0.00000 SCALE2 0.000000 0.007603 0.000000 0.00000 SCALE3 0.000000 0.000000 0.011099 0.00000 MTRIX1 1 -0.330100 0.943796 0.016835 -0.14923 1 MTRIX2 1 0.943851 0.329761 0.020081 -1.24879 1 MTRIX3 1 0.013400 0.022518 -0.999657 59.80751 1