HEADER HYDROLASE 08-FEB-94 1IMF TITLE STRUCTURAL STUDIES OF METAL BINDING BY INOSITOL MONOPHOSPHATASE: TITLE 2 EVIDENCE FOR TWO-METAL ION CATALYSIS COMPND MOL_ID: 1; COMPND 2 MOLECULE: INOSITOL MONOPHOSPHATASE; COMPND 3 CHAIN: A; COMPND 4 EC: 3.1.3.25; COMPND 5 ENGINEERED: YES SOURCE MOL_ID: 1; SOURCE 2 ORGANISM_SCIENTIFIC: HOMO SAPIENS; SOURCE 3 ORGANISM_COMMON: HUMAN; SOURCE 4 ORGANISM_TAXID: 9606; SOURCE 5 ORGAN: BRAIN; SOURCE 6 GENE: CDNA KEYWDS HYDROLASE EXPDTA X-RAY DIFFRACTION AUTHOR R.BONE REVDAT 7 07-FEB-24 1IMF 1 REMARK REVDAT 6 14-AUG-19 1IMF 1 REMARK REVDAT 5 17-JUL-19 1IMF 1 REMARK REVDAT 4 29-NOV-17 1IMF 1 REMARK HELIX REVDAT 3 13-JUL-11 1IMF 1 VERSN REVDAT 2 24-FEB-09 1IMF 1 VERSN REVDAT 1 27-FEB-95 1IMF 0 JRNL AUTH R.BONE,L.FRANK,J.P.SPRINGER,J.R.ATACK JRNL TITL STRUCTURAL STUDIES OF METAL BINDING BY INOSITOL JRNL TITL 2 MONOPHOSPHATASE: EVIDENCE FOR TWO-METAL ION CATALYSIS. JRNL REF BIOCHEMISTRY V. 33 9468 1994 JRNL REFN ISSN 0006-2960 JRNL PMID 8068621 JRNL DOI 10.1021/BI00198A012 REMARK 1 REMARK 1 REFERENCE 1 REMARK 1 AUTH G.MCALLISTER,P.WHITING,E.A.HAMMOND,M.R.KNOWLES,J.R.ATACK, REMARK 1 AUTH 2 F.J.BAILEY,R.MAIGETTER,C.I.RAGAN REMARK 1 TITL CDNA CLONING OF HUMAN AND RAT BRAIN MYO-INOSITOL REMARK 1 TITL 2 MONOPHOSPHATASE. EXPRESSION AND CHARACTERIZATION OF THE REMARK 1 TITL 3 HUMAN RECOMBINANT ENZYME REMARK 1 REF BIOCHEM.J. V. 284 749 1992 REMARK 1 REFN ISSN 0264-6021 REMARK 1 REFERENCE 2 REMARK 1 AUTH R.BONE,J.P.SPRINGER,J.R.ATACK REMARK 1 TITL STRUCTURE OF INOSITOL MONOPHOSPHATASE, THE PUTATIVE TARGET REMARK 1 TITL 2 OF LITHIUM THERAPY REMARK 1 REF PROC.NATL.ACAD.SCI.USA V. 89 10031 1992 REMARK 1 REFN ISSN 0027-8424 REMARK 2 REMARK 2 RESOLUTION. 2.50 ANGSTROMS. REMARK 3 REMARK 3 REFINEMENT. REMARK 3 PROGRAM : PROLSQ REMARK 3 AUTHORS : KONNERT,HENDRICKSON REMARK 3 REMARK 3 DATA USED IN REFINEMENT. REMARK 3 RESOLUTION RANGE HIGH (ANGSTROMS) : 2.50 REMARK 3 RESOLUTION RANGE LOW (ANGSTROMS) : 8.00 REMARK 3 DATA CUTOFF (SIGMA(F)) : 0.000 REMARK 3 COMPLETENESS FOR RANGE (%) : NULL REMARK 3 NUMBER OF REFLECTIONS : NULL REMARK 3 REMARK 3 FIT TO DATA USED IN REFINEMENT. REMARK 3 CROSS-VALIDATION METHOD : NULL REMARK 3 FREE R VALUE TEST SET SELECTION : NULL REMARK 3 R VALUE (WORKING + TEST SET) : 0.177 REMARK 3 R VALUE (WORKING SET) : 0.177 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 FIT/AGREEMENT OF MODEL WITH ALL DATA. 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 : 1998 REMARK 3 NUCLEIC ACID ATOMS : 0 REMARK 3 HETEROGEN ATOMS : 0 REMARK 3 SOLVENT ATOMS : 45 REMARK 3 REMARK 3 B VALUES. REMARK 3 FROM WILSON PLOT (A**2) : NULL REMARK 3 MEAN B VALUE (OVERALL, A**2) : NULL 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 RMS DEVIATIONS FROM IDEAL VALUES. REMARK 3 DISTANCE RESTRAINTS. RMS SIGMA REMARK 3 BOND LENGTH (A) : NULL ; NULL REMARK 3 ANGLE DISTANCE (A) : NULL ; NULL REMARK 3 INTRAPLANAR 1-4 DISTANCE (A) : NULL ; NULL REMARK 3 H-BOND OR METAL COORDINATION (A) : NULL ; NULL REMARK 3 REMARK 3 PLANE RESTRAINT (A) : NULL ; NULL REMARK 3 CHIRAL-CENTER RESTRAINT (A**3) : NULL ; NULL REMARK 3 REMARK 3 NON-BONDED CONTACT RESTRAINTS. REMARK 3 SINGLE TORSION (A) : NULL ; NULL REMARK 3 MULTIPLE TORSION (A) : NULL ; NULL REMARK 3 H-BOND (X...Y) (A) : NULL ; NULL REMARK 3 H-BOND (X-H...Y) (A) : NULL ; NULL REMARK 3 REMARK 3 CONFORMATIONAL TORSION ANGLE RESTRAINTS. REMARK 3 SPECIFIED (DEGREES) : NULL ; NULL REMARK 3 PLANAR (DEGREES) : NULL ; NULL REMARK 3 STAGGERED (DEGREES) : NULL ; NULL REMARK 3 TRANSVERSE (DEGREES) : NULL ; 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 OTHER REFINEMENT REMARKS: NULL REMARK 4 REMARK 4 1IMF 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_1000174196. REMARK 200 REMARK 200 EXPERIMENTAL DETAILS REMARK 200 EXPERIMENT TYPE : X-RAY DIFFRACTION REMARK 200 DATE OF DATA COLLECTION : NULL REMARK 200 TEMPERATURE (KELVIN) : NULL REMARK 200 PH : NULL REMARK 200 NUMBER OF CRYSTALS USED : NULL REMARK 200 REMARK 200 SYNCHROTRON (Y/N) : NULL REMARK 200 RADIATION SOURCE : NULL REMARK 200 BEAMLINE : NULL REMARK 200 X-RAY GENERATOR MODEL : NULL REMARK 200 MONOCHROMATIC OR LAUE (M/L) : NULL REMARK 200 WAVELENGTH OR RANGE (A) : NULL REMARK 200 MONOCHROMATOR : NULL REMARK 200 OPTICS : NULL REMARK 200 REMARK 200 DETECTOR TYPE : NULL REMARK 200 DETECTOR MANUFACTURER : NULL REMARK 200 INTENSITY-INTEGRATION SOFTWARE : NULL REMARK 200 DATA SCALING SOFTWARE : NULL REMARK 200 REMARK 200 NUMBER OF UNIQUE REFLECTIONS : NULL REMARK 200 RESOLUTION RANGE HIGH (A) : NULL REMARK 200 RESOLUTION RANGE LOW (A) : NULL REMARK 200 REJECTION CRITERIA (SIGMA(I)) : NULL REMARK 200 REMARK 200 OVERALL. REMARK 200 COMPLETENESS FOR RANGE (%) : NULL REMARK 200 DATA REDUNDANCY : NULL REMARK 200 R MERGE (I) : NULL 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 (%): 59.46 REMARK 280 MATTHEWS COEFFICIENT, VM (ANGSTROMS**3/DA): 3.03 REMARK 280 REMARK 280 CRYSTALLIZATION CONDITIONS: NULL REMARK 290 REMARK 290 CRYSTALLOGRAPHIC SYMMETRY REMARK 290 SYMMETRY OPERATORS FOR SPACE GROUP: P 31 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+1/3 REMARK 290 3555 -X+Y,-X,Z+2/3 REMARK 290 4555 Y,X,-Z REMARK 290 5555 X-Y,-Y,-Z+2/3 REMARK 290 6555 -X,-X+Y,-Z+1/3 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 20.83667 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 41.67333 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 41.67333 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 20.83667 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,PQS REMARK 350 TOTAL BURIED SURFACE AREA: 3140 ANGSTROM**2 REMARK 350 SURFACE AREA OF THE COMPLEX: 21040 ANGSTROM**2 REMARK 350 CHANGE IN SOLVENT FREE ENERGY: -19.0 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 1.000000 0.000000 0.000000 0.00000 REMARK 350 BIOMT2 2 0.000000 -1.000000 0.000000 174.64268 REMARK 350 BIOMT3 2 0.000000 0.000000 -1.000000 41.67333 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 1 REMARK 465 ALA A 2 REMARK 465 ASP A 3 REMARK 465 PRO A 4 REMARK 465 MET A 31 REMARK 465 ASN A 32 REMARK 465 VAL A 33 REMARK 465 MET A 34 REMARK 465 LEU A 35 REMARK 465 LYS A 36 REMARK 465 SER A 37 REMARK 465 SER A 38 REMARK 465 PRO A 39 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 GLU A 30 CA C O CB CG CD OE1 REMARK 470 GLU A 30 OE2 REMARK 470 ASP A 277 CA C O CB CG OD1 OD2 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 ASN A 29 REMARK 475 GLU A 30 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 25 CG CD OE1 OE2 REMARK 480 LYS A 28 CA C O CB CG CD CE REMARK 480 LYS A 28 NZ REMARK 480 LYS A 78 CG CD CE NZ REMARK 480 GLU A 170 CB CG CD OE1 OE2 REMARK 480 ARG A 256 CG CD NE CZ NH1 NH2 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 HIS A 100 NE2 HIS A 100 CD2 -0.079 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 TRP A 5 CD1 - CG - CD2 ANGL. DEV. = 5.3 DEGREES REMARK 500 TRP A 5 CE2 - CD2 - CG ANGL. DEV. = -5.3 DEGREES REMARK 500 MET A 9 CA - CB - CG ANGL. DEV. = -10.3 DEGREES REMARK 500 SER A 64 N - CA - CB ANGL. DEV. = -9.1 DEGREES REMARK 500 TRP A 87 CD1 - CG - CD2 ANGL. DEV. = 5.2 DEGREES REMARK 500 TRP A 87 CE2 - CD2 - CG ANGL. DEV. = -5.2 DEGREES REMARK 500 VAL A 160 CG1 - CB - CG2 ANGL. DEV. = -10.2 DEGREES REMARK 500 ARG A 167 NE - CZ - NH1 ANGL. DEV. = 3.5 DEGREES REMARK 500 ARG A 167 NE - CZ - NH2 ANGL. DEV. = -4.0 DEGREES REMARK 500 VAL A 172 CG1 - CB - CG2 ANGL. DEV. = -10.8 DEGREES REMARK 500 TYR A 212 CB - CG - CD1 ANGL. DEV. = -3.8 DEGREES REMARK 500 TRP A 219 CD1 - CG - CD2 ANGL. DEV. = 6.1 DEGREES REMARK 500 TRP A 219 CE2 - CD2 - CG ANGL. DEV. = -5.2 DEGREES REMARK 500 ASP A 244 CB - CG - OD1 ANGL. DEV. = 5.8 DEGREES REMARK 500 VAL A 268 CG1 - CB - CG2 ANGL. DEV. = -12.2 DEGREES REMARK 500 LEU A 271 CA - CB - CG ANGL. DEV. = 16.2 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 ASN A 29 154.60 103.31 REMARK 500 PRO A 103 25.32 -62.29 REMARK 500 ARG A 273 150.36 -47.53 REMARK 500 REMARK 500 REMARK: NULL REMARK 800 REMARK 800 SITE REMARK 800 SITE_IDENTIFIER: M1 REMARK 800 EVIDENCE_CODE: AUTHOR REMARK 800 SITE_DESCRIPTION: ACTIVE SITE DBREF 1IMF A 1 277 UNP P29218 IMPA1_HUMAN 1 277 SEQRES 1 A 277 MET ALA ASP PRO TRP GLN GLU CYS MET ASP TYR ALA VAL SEQRES 2 A 277 THR LEU ALA ARG GLN ALA GLY GLU VAL VAL CYS GLU ALA SEQRES 3 A 277 ILE LYS ASN GLU MET ASN VAL MET LEU LYS SER SER PRO SEQRES 4 A 277 VAL ASP LEU VAL THR ALA THR ASP GLN LYS VAL GLU LYS SEQRES 5 A 277 MET LEU ILE SER SER ILE LYS GLU LYS TYR PRO SER HIS SEQRES 6 A 277 SER PHE ILE GLY GLU GLU SER VAL ALA ALA GLY GLU LYS SEQRES 7 A 277 SER ILE LEU THR ASP ASN PRO THR TRP ILE ILE ASP PRO SEQRES 8 A 277 ILE ASP GLY THR THR ASN PHE VAL HIS ARG PHE PRO PHE SEQRES 9 A 277 VAL ALA VAL SER ILE GLY PHE ALA VAL ASN LYS LYS ILE SEQRES 10 A 277 GLU PHE GLY VAL VAL TYR SER CYS VAL GLU GLY LYS MET SEQRES 11 A 277 TYR THR ALA ARG LYS GLY LYS GLY ALA PHE CYS ASN GLY SEQRES 12 A 277 GLN LYS LEU GLN VAL SER GLN GLN GLU ASP ILE THR LYS SEQRES 13 A 277 SER LEU LEU VAL THR GLU LEU GLY SER SER ARG THR PRO SEQRES 14 A 277 GLU THR VAL ARG MET VAL LEU SER ASN MET GLU LYS LEU SEQRES 15 A 277 PHE CYS ILE PRO VAL HIS GLY ILE ARG SER VAL GLY THR SEQRES 16 A 277 ALA ALA VAL ASN MET CYS LEU VAL ALA THR GLY GLY ALA SEQRES 17 A 277 ASP ALA TYR TYR GLU MET GLY ILE HIS CYS TRP ASP VAL SEQRES 18 A 277 ALA GLY ALA GLY ILE ILE VAL THR GLU ALA GLY GLY VAL SEQRES 19 A 277 LEU MET ASP VAL THR GLY GLY PRO PHE ASP LEU MET SER SEQRES 20 A 277 ARG ARG VAL ILE ALA ALA ASN ASN ARG ILE LEU ALA GLU SEQRES 21 A 277 ARG ILE ALA LYS GLU ILE GLN VAL ILE PRO LEU GLN ARG SEQRES 22 A 277 ASP ASP GLU ASP FORMUL 2 HOH *45(H2 O) HELIX 1 H1 TRP A 5 ASN A 29 1 25 HELIX 2 H2 VAL A 43 LYS A 61 1 19 HELIX 3 H3 GLU A 70 ALA A 75 1 6 HELIX 4 H4 THR A 95 HIS A 100 1 6 HELIX 5 H5 PRO A 169 CYS A 184 1 16 HELIX 6 H6 ALA A 196 THR A 205 1 10 HELIX 7 H7 CYS A 218 ALA A 231 1 14 HELIX 8 H8 ARG A 256 GLU A 265 1 10 SHEET 1 S1 6 SER A 66 GLY A 69 0 SHEET 2 S1 6 THR A 86 ASP A 90 1 SHEET 3 S1 6 ALA A 106 ALA A 112 -1 SHEET 4 S1 6 GLU A 118 CYS A 125 -1 SHEET 5 S1 6 LYS A 129 ARG A 134 -1 SHEET 6 S1 6 GLY A 138 ASN A 142 -1 SHEET 1 S2 5 SER A 157 THR A 161 0 SHEET 2 S2 5 HIS A 188 ARG A 191 1 SHEET 3 S2 5 ALA A 210 MET A 214 1 SHEET 4 S2 5 VAL A 234 ASP A 237 -1 SHEET 5 S2 5 ARG A 249 ASN A 254 -1 CISPEP 1 ILE A 185 PRO A 186 0 2.93 SITE 1 M1 8 GLU A 70 ASP A 90 PRO A 91 ILE A 92 SITE 2 M1 8 ASP A 93 GLY A 94 THR A 95 ASP A 220 CRYST1 100.830 100.830 62.510 90.00 90.00 120.00 P 31 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 0.009918 0.005726 0.000000 0.00000 SCALE2 0.000000 0.011452 0.000000 0.00000 SCALE3 0.000000 0.000000 0.015997 0.00000