PDB Short entry for 1IMC HEADER HYDROLASE 08-FEB-94 1IMC 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, B; 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 3 29-NOV-17 1IMC 1 REMARK HELIX REVDAT 2 24-FEB-09 1IMC 1 VERSN REVDAT 1 27-FEB-95 1IMC 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. 2.60 ANGSTROMS. REMARK 3 REMARK 3 REFINEMENT. REMARK 3 PROGRAM : X-PLOR REMARK 3 AUTHORS : BRUNGER REMARK 3 REMARK 3 DATA USED IN REFINEMENT. REMARK 3 RESOLUTION RANGE HIGH (ANGSTROMS) : 2.60 REMARK 3 RESOLUTION RANGE LOW (ANGSTROMS) : 8.00 REMARK 3 DATA CUTOFF (SIGMA(F)) : 0.000 REMARK 3 DATA CUTOFF HIGH (ABS(F)) : NULL REMARK 3 DATA CUTOFF LOW (ABS(F)) : NULL REMARK 3 COMPLETENESS (WORKING+TEST) (%) : 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 SET) : 0.185 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 ESTIMATED ERROR OF FREE R VALUE : NULL REMARK 3 REMARK 3 FIT IN THE HIGHEST RESOLUTION BIN. REMARK 3 TOTAL NUMBER OF BINS USED : NULL REMARK 3 BIN RESOLUTION RANGE HIGH (A) : NULL REMARK 3 BIN RESOLUTION RANGE LOW (A) : NULL REMARK 3 BIN COMPLETENESS (WORKING+TEST) (%) : NULL REMARK 3 REFLECTIONS IN BIN (WORKING SET) : NULL REMARK 3 BIN R VALUE (WORKING SET) : NULL REMARK 3 BIN FREE R VALUE : NULL REMARK 3 BIN FREE R VALUE TEST SET SIZE (%) : NULL REMARK 3 BIN FREE R VALUE TEST SET COUNT : NULL REMARK 3 ESTIMATED ERROR OF BIN FREE R VALUE : NULL REMARK 3 REMARK 3 NUMBER OF NON-HYDROGEN ATOMS USED IN REFINEMENT. REMARK 3 PROTEIN ATOMS : 4093 REMARK 3 NUCLEIC ACID ATOMS : 0 REMARK 3 HETEROGEN ATOMS : 8 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 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) : 1.250 REMARK 3 DIHEDRAL ANGLES (DEGREES) : NULL REMARK 3 IMPROPER ANGLES (DEGREES) : NULL 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 : NULL REMARK 3 TOPOLOGY FILE 1 : NULL REMARK 3 REMARK 3 OTHER REFINEMENT REMARKS: NULL REMARK 4 REMARK 4 1IMC 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_1000174193. 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 <I/SIGMA(I)> 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 <I/SIGMA(I)> 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 (%): 53.41 REMARK 280 MATTHEWS COEFFICIENT, VM (ANGSTROMS**3/DA): 2.64 REMARK 280 REMARK 280 CRYSTALLIZATION CONDITIONS: NULL REMARK 290 REMARK 290 CRYSTALLOGRAPHIC SYMMETRY REMARK 290 SYMMETRY OPERATORS FOR SPACE GROUP: P 32 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+2/3 REMARK 290 3555 -X+Y,-X,Z+1/3 REMARK 290 4555 Y,X,-Z REMARK 290 5555 X-Y,-Y,-Z+1/3 REMARK 290 6555 -X,-X+Y,-Z+2/3 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 101.55333 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 50.77667 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 50.77667 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 101.55333 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: 4460 ANGSTROM**2 REMARK 350 SURFACE AREA OF THE COMPLEX: 20280 ANGSTROM**2 REMARK 350 CHANGE IN SOLVENT FREE ENERGY: -82.0 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 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 GLN A 272 REMARK 465 ARG A 273 REMARK 465 ASP A 274 REMARK 465 ASP A 275 REMARK 465 GLU A 276 REMARK 465 ASP A 277 REMARK 465 MET B 1 REMARK 465 ALA B 2 REMARK 465 ASP B 3 REMARK 465 PRO B 4 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 LEU A 271 CA C O CB CG CD1 CD2 REMARK 470 ASP B 277 CA C O CB CG OD1 OD2 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 6 CB CG CD OE1 NE2 REMARK 480 GLU A 7 CB CG CD OE1 OE2 REMARK 480 GLU A 25 CB CG CD OE1 OE2 REMARK 480 GLU A 30 CB CG CD OE1 OE2 REMARK 480 ASN A 32 CG OD1 ND2 REMARK 480 LYS A 78 CB CG CD CE NZ REMARK 480 LYS A 116 CB CG CD CE NZ REMARK 480 LYS A 181 CD CE NZ REMARK 480 ASP A 244 CB CG OD1 OD2 REMARK 480 MET A 246 CB CG SD CE REMARK 480 GLU B 7 CB CG CD OE1 OE2 REMARK 480 GLU B 25 CB CG CD OE1 OE2 REMARK 480 LYS B 78 CB CG CD CE NZ REMARK 480 LYS B 116 CG CD CE NZ REMARK 480 LYS B 181 CG CD CE NZ REMARK 480 LYS B 264 CG CD CE NZ 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 28 30.29 -92.34 REMARK 500 LYS A 36 -90.79 -122.06 REMARK 500 TYR A 62 50.79 -142.25 REMARK 500 GLU A 77 177.51 -58.33 REMARK 500 THR A 82 -166.75 -117.17 REMARK 500 PRO A 85 111.07 -34.34 REMARK 500 PRO A 103 37.72 -74.12 REMARK 500 CYS A 218 -70.40 -19.46 REMARK 500 ASN B 29 -167.04 -108.57 REMARK 500 LYS B 36 -97.49 -126.59 REMARK 500 ALA B 75 35.23 -97.20 REMARK 500 SER B 79 48.39 -91.92 REMARK 500 THR B 82 -153.98 -124.91 REMARK 500 PRO B 85 101.72 -49.77 REMARK 500 PRO B 103 52.28 -92.69 REMARK 500 ALA B 133 119.53 -166.99 REMARK 500 PRO B 270 108.34 -57.48 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 PHE B 102 PRO B 103 -147.84 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 MN A 278 MN REMARK 620 N RES CSSEQI ATOM REMARK 620 1 HOH A 287 O REMARK 620 2 ILE A 92 O 84.5 REMARK 620 3 CL A 281 CL 146.9 106.2 REMARK 620 4 GLU A 70 OE1 78.6 142.2 106.3 REMARK 620 5 ASP A 90 OD1 91.6 72.9 121.4 74.0 REMARK 620 N 1 2 3 4 REMARK 620 REMARK 620 COORDINATION ANGLES FOR: M RES CSSEQI METAL REMARK 620 MN A 279 MN REMARK 620 N RES CSSEQI ATOM REMARK 620 1 ASP A 90 OD2 REMARK 620 2 ASP A 93 OD1 78.6 REMARK 620 3 ASP A 220 OD1 88.6 97.5 REMARK 620 N 1 2 REMARK 620 REMARK 620 COORDINATION ANGLES FOR: M RES CSSEQI METAL REMARK 620 MN A 280 MN REMARK 620 N RES CSSEQI ATOM REMARK 620 1 HOH A 285 O REMARK 620 2 HOH A 286 O 89.8 REMARK 620 3 HOH A 288 O 80.6 101.5 REMARK 620 4 GLU A 70 OE2 78.4 167.4 72.6 REMARK 620 N 1 2 3 REMARK 620 REMARK 620 COORDINATION ANGLES FOR: M RES CSSEQI METAL REMARK 620 MN B 278 MN REMARK 620 N RES CSSEQI ATOM REMARK 620 1 GLU B 70 OE1 REMARK 620 2 HOH B 288 O 75.9 REMARK 620 3 ILE B 92 O 139.8 77.2 REMARK 620 4 ASP B 90 OD1 73.8 83.3 73.9 REMARK 620 N 1 2 3 REMARK 620 REMARK 620 COORDINATION ANGLES FOR: M RES CSSEQI METAL REMARK 620 MN B 279 MN REMARK 620 N RES CSSEQI ATOM REMARK 620 1 ASP B 90 OD2 REMARK 620 2 ASP B 93 OD1 78.2 REMARK 620 3 CL B 281 CL 105.4 115.6 REMARK 620 4 ASP B 220 OD1 83.0 102.9 141.5 REMARK 620 N 1 2 3 REMARK 620 REMARK 620 COORDINATION ANGLES FOR: M RES CSSEQI METAL REMARK 620 MN B 280 MN REMARK 620 N RES CSSEQI ATOM REMARK 620 1 HOH B 285 O REMARK 620 2 HOH B 286 O 85.2 REMARK 620 3 HOH B 287 O 81.6 87.9 REMARK 620 4 GLU B 70 OE2 74.4 71.0 149.0 REMARK 620 N 1 2 3 REMARK 800 REMARK 800 SITE REMARK 800 SITE_IDENTIFIER: M1 REMARK 800 EVIDENCE_CODE: UNKNOWN REMARK 800 SITE_DESCRIPTION: NULL REMARK 800 REMARK 800 SITE_IDENTIFIER: M2 REMARK 800 EVIDENCE_CODE: UNKNOWN REMARK 800 SITE_DESCRIPTION: NULL REMARK 800 REMARK 800 SITE_IDENTIFIER: AC1 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE MN A 278 REMARK 800 REMARK 800 SITE_IDENTIFIER: AC2 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE MN A 279 REMARK 800 REMARK 800 SITE_IDENTIFIER: AC3 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE MN A 280 REMARK 800 REMARK 800 SITE_IDENTIFIER: AC4 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE CL A 281 REMARK 800 REMARK 800 SITE_IDENTIFIER: AC5 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE MN B 278 REMARK 800 REMARK 800 SITE_IDENTIFIER: AC6 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE MN B 279 REMARK 800 REMARK 800 SITE_IDENTIFIER: AC7 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE MN B 280 REMARK 800 REMARK 800 SITE_IDENTIFIER: AC8 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE CL B 281 DBREF 1IMC A 1 277 UNP P29218 IMPA1_HUMAN 1 277 DBREF 1IMC B 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 SEQRES 1 B 277 MET ALA ASP PRO TRP GLN GLU CYS MET ASP TYR ALA VAL SEQRES 2 B 277 THR LEU ALA ARG GLN ALA GLY GLU VAL VAL CYS GLU ALA SEQRES 3 B 277 ILE LYS ASN GLU MET ASN VAL MET LEU LYS SER SER PRO SEQRES 4 B 277 VAL ASP LEU VAL THR ALA THR ASP GLN LYS VAL GLU LYS SEQRES 5 B 277 MET LEU ILE SER SER ILE LYS GLU LYS TYR PRO SER HIS SEQRES 6 B 277 SER PHE ILE GLY GLU GLU SER VAL ALA ALA GLY GLU LYS SEQRES 7 B 277 SER ILE LEU THR ASP ASN PRO THR TRP ILE ILE ASP PRO SEQRES 8 B 277 ILE ASP GLY THR THR ASN PHE VAL HIS ARG PHE PRO PHE SEQRES 9 B 277 VAL ALA VAL SER ILE GLY PHE ALA VAL ASN LYS LYS ILE SEQRES 10 B 277 GLU PHE GLY VAL VAL TYR SER CYS VAL GLU GLY LYS MET SEQRES 11 B 277 TYR THR ALA ARG LYS GLY LYS GLY ALA PHE CYS ASN GLY SEQRES 12 B 277 GLN LYS LEU GLN VAL SER GLN GLN GLU ASP ILE THR LYS SEQRES 13 B 277 SER LEU LEU VAL THR GLU LEU GLY SER SER ARG THR PRO SEQRES 14 B 277 GLU THR VAL ARG MET VAL LEU SER ASN MET GLU LYS LEU SEQRES 15 B 277 PHE CYS ILE PRO VAL HIS GLY ILE ARG SER VAL GLY THR SEQRES 16 B 277 ALA ALA VAL ASN MET CYS LEU VAL ALA THR GLY GLY ALA SEQRES 17 B 277 ASP ALA TYR TYR GLU MET GLY ILE HIS CYS TRP ASP VAL SEQRES 18 B 277 ALA GLY ALA GLY ILE ILE VAL THR GLU ALA GLY GLY VAL SEQRES 19 B 277 LEU MET ASP VAL THR GLY GLY PRO PHE ASP LEU MET SER SEQRES 20 B 277 ARG ARG VAL ILE ALA ALA ASN ASN ARG ILE LEU ALA GLU SEQRES 21 B 277 ARG ILE ALA LYS GLU ILE GLN VAL ILE PRO LEU GLN ARG SEQRES 22 B 277 ASP ASP GLU ASP HET MN A 278 1 HET MN A 279 1 HET MN A 280 1 HET CL A 281 1 HET MN B 278 1 HET MN B 279 1 HET MN B 280 1 HET CL B 281 1 HETNAM MN MANGANESE (II) ION HETNAM CL CHLORIDE ION FORMUL 3 MN 6(MN 2+) FORMUL 6 CL 2(CL 1-) FORMUL 11 HOH *45(H2 O) HELIX 1 H1 TRP A 5 ASN A 29 1 25 HELIX 2 H2 THR A 46 LYS A 61 1 16 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 HELIX 9 H9 TRP B 5 ASN B 29 1 25 HELIX 10 H10 THR B 46 LYS B 61 1 16 HELIX 11 H11 GLU B 70 ALA B 75 1 6 HELIX 12 H12 THR B 95 HIS B 100 1 6 HELIX 13 H13 PRO B 169 CYS B 184 1 16 HELIX 14 H14 ALA B 196 THR B 205 1 10 HELIX 15 H15 CYS B 218 ALA B 231 1 14 HELIX 16 H16 ARG B 256 GLU B 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 SHEET 1 S3 6 SER B 66 GLY B 69 0 SHEET 2 S3 6 THR B 86 ASP B 90 1 SHEET 3 S3 6 ALA B 106 ALA B 112 -1 SHEET 4 S3 6 GLU B 118 CYS B 125 -1 SHEET 5 S3 6 LYS B 129 ARG B 134 -1 SHEET 6 S3 6 GLY B 138 ASN B 142 -1 SHEET 1 S4 5 SER B 157 THR B 161 0 SHEET 2 S4 5 HIS B 188 ARG B 191 1 SHEET 3 S4 5 ALA B 210 MET B 214 1 SHEET 4 S4 5 VAL B 234 ASP B 237 -1 SHEET 5 S4 5 ARG B 249 ASN B 254 -1 SSBOND 1 CYS A 24 CYS A 125 1555 1555 2.03 SSBOND 2 CYS B 24 CYS B 125 1555 1555 2.04 LINK MN MN A 278 O HOH A 287 1555 1555 2.05 LINK MN MN A 278 O ILE A 92 1555 1555 2.13 LINK MN MN A 278 CL CL A 281 1555 1555 2.76 LINK MN MN A 278 OE1 GLU A 70 1555 1555 2.12 LINK MN MN A 278 OD1 ASP A 90 1555 1555 2.28 LINK MN MN A 279 OD2 ASP A 90 1555 1555 2.38 LINK MN MN A 279 OD1 ASP A 93 1555 1555 2.29 LINK MN MN A 279 OD1 ASP A 220 1555 1555 2.11 LINK MN MN A 280 O HOH A 285 1555 1555 2.11 LINK MN MN A 280 O HOH A 286 1555 1555 2.09 LINK MN MN A 280 O HOH A 288 1555 1555 2.10 LINK MN MN A 280 OE2 GLU A 70 1555 1555 2.56 LINK MN MN B 278 OE1 GLU B 70 1555 1555 2.06 LINK MN MN B 278 O HOH B 288 1555 1555 2.05 LINK MN MN B 278 O ILE B 92 1555 1555 2.11 LINK MN MN B 278 OD1 ASP B 90 1555 1555 2.24 LINK MN MN B 279 OD2 ASP B 90 1555 1555 2.22 LINK MN MN B 279 OD1 ASP B 93 1555 1555 2.15 LINK MN MN B 279 CL CL B 281 1555 1555 2.58 LINK MN MN B 279 OD1 ASP B 220 1555 1555 2.17 LINK MN MN B 280 O HOH B 285 1555 1555 2.15 LINK MN MN B 280 O HOH B 286 1555 1555 2.00 LINK MN MN B 280 O HOH B 287 1555 1555 2.05 LINK MN MN B 280 OE2 GLU B 70 1555 1555 2.32 CISPEP 1 ILE A 185 PRO A 186 0 -10.66 CISPEP 2 ILE B 185 PRO B 186 0 2.68 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 SITE 1 M2 8 GLU B 70 ASP B 90 PRO B 91 ILE B 92 SITE 2 M2 8 ASP B 93 GLY B 94 THR B 95 ASP B 220 SITE 1 AC1 5 GLU A 70 ASP A 90 ILE A 92 CL A 281 SITE 2 AC1 5 HOH A 287 SITE 1 AC2 4 ASP A 90 ASP A 93 ASP A 220 CL A 281 SITE 1 AC3 5 GLU A 70 CL A 281 HOH A 285 HOH A 286 SITE 2 AC3 5 HOH A 288 SITE 1 AC4 4 GLU A 70 MN A 278 MN A 279 MN A 280 SITE 1 AC5 7 GLU B 70 ASP B 90 ILE B 92 THR B 95 SITE 2 AC5 7 MN B 280 CL B 281 HOH B 288 SITE 1 AC6 5 ASP B 90 ASP B 93 ASP B 220 CL B 281 SITE 2 AC6 5 HOH B 302 SITE 1 AC7 7 GLU B 70 THR B 95 MN B 278 CL B 281 SITE 2 AC7 7 HOH B 285 HOH B 286 HOH B 287 SITE 1 AC8 3 MN B 278 MN B 279 MN B 280 CRYST1 85.200 85.200 152.330 90.00 90.00 120.00 P 32 2 1 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 0.011737 0.006776 0.000000 0.00000 SCALE2 0.000000 0.013553 0.000000 0.00000 SCALE3 0.000000 0.000000 0.006565 0.00000