HEADER PROTEIN KINASE INHIBITOR 25-SEP-97 1KPE TITLE PKCI-TRANSITION STATE ANALOG COMPND MOL_ID: 1; COMPND 2 MOLECULE: PROTEIN KINASE C INTERACTING PROTEIN; COMPND 3 CHAIN: A, B; COMPND 4 SYNONYM: PKCI-1, PROTEIN KINASE C INHIBITOR 1, HINT PROTEIN, HIT COMPND 5 PROTEIN; COMPND 6 ENGINEERED: YES SOURCE MOL_ID: 1; SOURCE 2 ORGANISM_SCIENTIFIC: HOMO SAPIENS; SOURCE 3 ORGANISM_COMMON: HUMAN; SOURCE 4 ORGANISM_TAXID: 9606; SOURCE 5 GENE: HPKCI-1; SOURCE 6 EXPRESSION_SYSTEM: PICHIA PASTORIS; SOURCE 7 EXPRESSION_SYSTEM_TAXID: 4922; SOURCE 8 EXPRESSION_SYSTEM_PLASMID: PHIL-D5; SOURCE 9 EXPRESSION_SYSTEM_GENE: HPKCI-1 KEYWDS PROTEIN KINASE INHIBITOR, PKCI-1, HIT PROTEIN FAMILY, HISTIDINE TRIAD KEYWDS 2 PROTEIN FAMILY, NUCLEOTIDYL HYDROLASE, NUCLEOTIDYL TRANSFERASE, KEYWDS 3 PENTACOVALENT NUCLEOTIDYL HISTIDYL-TUNGSTATE COMPLEX EXPDTA X-RAY DIFFRACTION AUTHOR C.D.LIMA,M.G.KLEIN,W.A.HENDRICKSON REVDAT 5 23-OCT-24 1KPE 1 REMARK REVDAT 4 14-FEB-24 1KPE 1 REMARK LINK REVDAT 3 03-AUG-11 1KPE 1 SEQRES REVDAT 2 24-FEB-09 1KPE 1 VERSN REVDAT 1 25-MAR-98 1KPE 0 JRNL AUTH C.D.LIMA,M.G.KLEIN,W.A.HENDRICKSON JRNL TITL STRUCTURE-BASED ANALYSIS OF CATALYSIS AND SUBSTRATE JRNL TITL 2 DEFINITION IN THE HIT PROTEIN FAMILY. JRNL REF SCIENCE V. 278 286 1997 JRNL REFN ISSN 0036-8075 JRNL PMID 9323207 JRNL DOI 10.1126/SCIENCE.278.5336.286 REMARK 1 REMARK 1 REFERENCE 1 REMARK 1 AUTH C.D.LIMA,M.G.KLEIN,I.B.WEINSTEIN,W.A.HENDRICKSON REMARK 1 TITL THREE-DIMENSIONAL STRUCTURE OF HUMAN PROTEIN KINASE C REMARK 1 TITL 2 INTERACTING PROTEIN 1, A MEMBER OF THE HIT FAMILY OF REMARK 1 TITL 3 PROTEINS REMARK 1 REF PROC.NATL.ACAD.SCI.USA V. 93 5357 1996 REMARK 1 REFN ISSN 0027-8424 REMARK 2 REMARK 2 RESOLUTION. 1.80 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) : 1.80 REMARK 3 RESOLUTION RANGE LOW (ANGSTROMS) : 10.00 REMARK 3 DATA CUTOFF (SIGMA(F)) : 2.000 REMARK 3 DATA CUTOFF HIGH (ABS(F)) : 100000.000 REMARK 3 DATA CUTOFF LOW (ABS(F)) : 0.1000 REMARK 3 COMPLETENESS (WORKING+TEST) (%) : 78.9 REMARK 3 NUMBER OF REFLECTIONS : 40772 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) : 0.195 REMARK 3 FREE R VALUE : 0.223 REMARK 3 FREE R VALUE TEST SET SIZE (%) : 5.000 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 : 1748 REMARK 3 NUCLEIC ACID ATOMS : 0 REMARK 3 HETEROGEN ATOMS : 27 REMARK 3 SOLVENT ATOMS : 256 REMARK 3 REMARK 3 B VALUES. REMARK 3 FROM WILSON PLOT (A**2) : NULL REMARK 3 MEAN B VALUE (OVERALL, A**2) : 22.50 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) : 0.015 REMARK 3 BOND ANGLES (DEGREES) : 1.969 REMARK 3 DIHEDRAL ANGLES (DEGREES) : 26.98 REMARK 3 IMPROPER ANGLES (DEGREES) : 1.760 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: REFINED ADW WITH GEOMETRY SIMILAR TO REMARK 3 THAT OF ADP WITH MODIFICATIONS TO INCLUDE A PENTACOVALENT ALPHA REMARK 3 TUNGSTATE POSITION, THE LONGER TUNGSTATE OXYGEN BONDS, AND THE REMARK 3 TUNGSTATE ATOMS. REMARK 4 REMARK 4 1KPE 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_1000174476. REMARK 200 REMARK 200 EXPERIMENTAL DETAILS REMARK 200 EXPERIMENT TYPE : X-RAY DIFFRACTION REMARK 200 DATE OF DATA COLLECTION : 10-OCT-96 REMARK 200 TEMPERATURE (KELVIN) : 110 REMARK 200 PH : 6.5 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 : IMAGE PLATE REMARK 200 DETECTOR MANUFACTURER : RIGAKU RAXIS II REMARK 200 INTENSITY-INTEGRATION SOFTWARE : DENZO REMARK 200 DATA SCALING SOFTWARE : SCALEPACK REMARK 200 REMARK 200 NUMBER OF UNIQUE REFLECTIONS : 23339 REMARK 200 RESOLUTION RANGE HIGH (A) : 1.800 REMARK 200 RESOLUTION RANGE LOW (A) : 20.000 REMARK 200 REJECTION CRITERIA (SIGMA(I)) : 2.000 REMARK 200 REMARK 200 OVERALL. REMARK 200 COMPLETENESS FOR RANGE (%) : 84.3 REMARK 200 DATA REDUNDANCY : 8.000 REMARK 200 R MERGE (I) : 0.08500 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 3.1 REMARK 200 STARTING MODEL: NULL REMARK 200 REMARK 200 REMARK: NULL REMARK 280 REMARK 280 CRYSTAL REMARK 280 SOLVENT CONTENT, VS (%): 53.50 REMARK 280 MATTHEWS COEFFICIENT, VM (ANGSTROMS**3/DA): 2.65 REMARK 280 REMARK 280 CRYSTALLIZATION CONDITIONS: GROWN FROM PEG8K PH6.5 THE REMARK 280 PENTACOVALENT TRANSITION STATE ANALOG WAS PREPARED BY SOAKING REMARK 280 SODIUM TUNGSTATE AND ADENOSINE INTO THE CRYSTAL. THE COMPOUNDS REMARK 280 WERE FOUND TO BIND IN THE ACTIVE SITE OF CHAIN B. THE ACTIVE REMARK 280 SITE OF CHAIN A IS BLOCKED BY A LATTICE CONTACT AND IS NOT REMARK 280 AVAILABLE TO THE SUBSTRATE. THREE NEW BONDS ARE FORMED UPON REMARK 280 SOAKING THIS MIXTURE INTO THE PKCI CRYSTALS: ONE BETWEEN THE NE REMARK 280 OF HIS B 112 AND THE ALPHA TUNGSTATE, ONE BETWEEN THE ALPHA AND REMARK 280 BETA TUNGSTATE IONS, AND ONE BETWEEN THE NUCLEOSIDE RIBOSE AND REMARK 280 THE ALPHA TUNGSTATE ION. REMARK 290 REMARK 290 CRYSTALLOGRAPHIC SYMMETRY REMARK 290 SYMMETRY OPERATORS FOR SPACE GROUP: P 21 21 21 REMARK 290 REMARK 290 SYMOP SYMMETRY REMARK 290 NNNMMM OPERATOR REMARK 290 1555 X,Y,Z REMARK 290 2555 -X+1/2,-Y,Z+1/2 REMARK 290 3555 -X,Y+1/2,-Z+1/2 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 23.10000 REMARK 290 SMTRY2 2 0.000000 -1.000000 0.000000 0.00000 REMARK 290 SMTRY3 2 0.000000 0.000000 1.000000 40.40000 REMARK 290 SMTRY1 3 -1.000000 0.000000 0.000000 0.00000 REMARK 290 SMTRY2 3 0.000000 1.000000 0.000000 38.90000 REMARK 290 SMTRY3 3 0.000000 0.000000 -1.000000 40.40000 REMARK 290 SMTRY1 4 1.000000 0.000000 0.000000 23.10000 REMARK 290 SMTRY2 4 0.000000 -1.000000 0.000000 38.90000 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: DIMERIC REMARK 350 SOFTWARE DETERMINED QUATERNARY STRUCTURE: DIMERIC REMARK 350 SOFTWARE USED: PISA REMARK 350 TOTAL BURIED SURFACE AREA: 4670 ANGSTROM**2 REMARK 350 SURFACE AREA OF THE COMPLEX: 9250 ANGSTROM**2 REMARK 350 CHANGE IN SOLVENT FREE ENERGY: -29.0 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 400 REMARK 400 COMPOUND REMARK 400 THE NUCLEOTIDYLATED PROTEIN STRUCTURE REPORTED HERE REMARK 400 REPRESENTS A PENTACOVALENT TRANSITION STATE ANALOG FOR PKCI REMARK 400 IN THE CHARACTERIZED REACTION WITH ADP AS SUBSTRATE. 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 ACE A 1 REMARK 465 ALA A 2 REMARK 465 ASP A 3 REMARK 465 GLU A 4 REMARK 465 ILE A 5 REMARK 465 ALA A 6 REMARK 465 LYS A 7 REMARK 465 ALA A 8 REMARK 465 GLN A 9 REMARK 465 VAL A 10 REMARK 465 ALA A 11 REMARK 465 ARG A 12 REMARK 465 PRO A 13 REMARK 465 ACE B 1 REMARK 465 ALA B 2 REMARK 465 ASP B 3 REMARK 465 GLU B 4 REMARK 465 ILE B 5 REMARK 465 ALA B 6 REMARK 465 LYS B 7 REMARK 465 ALA B 8 REMARK 465 GLN B 9 REMARK 465 VAL B 10 REMARK 465 ALA B 11 REMARK 465 ARG B 12 REMARK 465 PRO B 13 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 O HOH A 147 O HOH A 151 4466 2.18 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 ASP A 16 49.50 -103.16 REMARK 500 REMARK 500 REMARK: NULL REMARK 500 REMARK 500 GEOMETRY AND STEREOCHEMISTRY REMARK 500 SUBTOPIC: PLANAR GROUPS REMARK 500 REMARK 500 PLANAR GROUPS IN THE FOLLOWING RESIDUES HAVE A TOTAL REMARK 500 RMS DISTANCE OF ALL ATOMS FROM THE BEST-FIT PLANE REMARK 500 BY MORE THAN AN EXPECTED VALUE OF 6*RMSD, WITH AN REMARK 500 RMSD 0.02 ANGSTROMS, OR AT LEAST ONE ATOM HAS REMARK 500 AN RMSD GREATER THAN THIS VALUE REMARK 500 (M=MODEL NUMBER; RES=RESIDUE NAME; C=CHAIN IDENTIFIER; REMARK 500 SSEQ=SEQUENCE NUMBER; I=INSERTION CODE). REMARK 500 REMARK 500 M RES CSSEQI RMS TYPE REMARK 500 TYR A 109 0.08 SIDE CHAIN 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 HIS B 112 -14.53 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 ADW B 127 WB REMARK 620 N RES CSSEQI ATOM REMARK 620 1 SER B 107 OG REMARK 620 2 ADW B 127 O1B 137.8 REMARK 620 3 ADW B 127 O2B 112.3 109.4 REMARK 620 4 ADW B 127 O3B 63.1 108.0 109.9 REMARK 620 5 ADW B 127 O3A 50.3 108.2 110.5 110.8 REMARK 620 N 1 2 3 4 REMARK 620 REMARK 620 COORDINATION ANGLES FOR: M RES CSSEQI METAL REMARK 620 ADW B 127 WA REMARK 620 N RES CSSEQI ATOM REMARK 620 1 HIS B 112 NE2 REMARK 620 2 ADW B 127 O1A 90.5 REMARK 620 3 ADW B 127 O2A 88.2 120.1 REMARK 620 4 ADW B 127 O3A 174.7 94.6 90.2 REMARK 620 5 ADW B 127 O5' 87.2 117.8 122.0 89.4 REMARK 620 N 1 2 3 4 REMARK 800 REMARK 800 SITE REMARK 800 SITE_IDENTIFIER: HNA REMARK 800 EVIDENCE_CODE: UNKNOWN REMARK 800 SITE_DESCRIPTION: HISTIDINE TRIAD FOR WHICH THIS FAMILY WAS NAMED. REMARK 800 REMARK 800 SITE_IDENTIFIER: HNB REMARK 800 EVIDENCE_CODE: UNKNOWN REMARK 800 SITE_DESCRIPTION: HISTIDINE TRIAD FOR WHICH THIS FAMILY WAS NAMED. REMARK 800 REMARK 800 SITE_IDENTIFIER: AVA REMARK 800 EVIDENCE_CODE: UNKNOWN REMARK 800 SITE_DESCRIPTION: ACTIVE SITE HISTIDINE RESPONSIBLE FOR FORMING REMARK 800 THE TRANSIENT NUCLEOTIDYL PHOSPHOHISTIDYL ENZYME INTERMEDIATE REMARK 800 DURING CATALYSIS. THE HISTIDINE IN THIS STRUCTURE IS INVOLVED IN REMARK 800 A COVALENT ADDUCT WITH A TUNGSTATE ION WHICH IS ALSO COVALENTLY REMARK 800 ASSOCIATED WITH A NUCLEOSIDE AND SECOND TUNGSTATE ION. THIS REMARK 800 PHYSICALLY REPRESENTS THE PENTACOVALENT TRANSITION STATE ANALOG REMARK 800 THOUGHT TO OCCUR IN THE REACTION OF PKCI WITH A NUCLEOTIDE REMARK 800 DIPHOSPHATE WITH THE ALPHA TUNGSTATE ION. REMARK 800 REMARK 800 SITE_IDENTIFIER: AVB REMARK 800 EVIDENCE_CODE: UNKNOWN REMARK 800 SITE_DESCRIPTION: ACTIVE SITE HISTIDINE RESPONSIBLE FOR FORMING REMARK 800 THE TRANSIENT NUCLEOTIDYL PHOSPHOHISTIDYL ENZYME INTERMEDIATE REMARK 800 DURING CATALYSIS. THE HISTIDINE IN THIS STRUCTURE IS INVOLVED IN REMARK 800 A COVALENT ADDUCT WITH A TUNGSTATE ION WHICH IS ALSO COVALENTLY REMARK 800 ASSOCIATED WITH A NUCLEOSIDE AND SECOND TUNGSTATE ION. THIS REMARK 800 PHYSICALLY REPRESENTS THE PENTACOVALENT TRANSITION STATE ANALOG REMARK 800 THOUGHT TO OCCUR IN THE REACTION OF PKCI WITH A NUCLEOTIDE REMARK 800 DIPHOSPHATE WITH THE ALPHA TUNGSTATE ION. REMARK 800 REMARK 800 SITE_IDENTIFIER: AC1 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE ADW B 127 DBREF 1KPE A 2 126 UNP P49773 HINT1_HUMAN 1 125 DBREF 1KPE B 2 126 UNP P49773 HINT1_HUMAN 1 125 SEQRES 1 A 126 ACE ALA ASP GLU ILE ALA LYS ALA GLN VAL ALA ARG PRO SEQRES 2 A 126 GLY GLY ASP THR ILE PHE GLY LYS ILE ILE ARG LYS GLU SEQRES 3 A 126 ILE PRO ALA LYS ILE ILE PHE GLU ASP ASP ARG CYS LEU SEQRES 4 A 126 ALA PHE HIS ASP ILE SER PRO GLN ALA PRO THR HIS PHE SEQRES 5 A 126 LEU VAL ILE PRO LYS LYS HIS ILE SER GLN ILE SER VAL SEQRES 6 A 126 ALA GLU ASP ASP ASP GLU SER LEU LEU GLY HIS LEU MET SEQRES 7 A 126 ILE VAL GLY LYS LYS CYS ALA ALA ASP LEU GLY LEU ASN SEQRES 8 A 126 LYS GLY TYR ARG MET VAL VAL ASN GLU GLY SER ASP GLY SEQRES 9 A 126 GLY GLN SER VAL TYR HIS VAL HIS LEU HIS VAL LEU GLY SEQRES 10 A 126 GLY ARG GLN MET HIS TRP PRO PRO GLY SEQRES 1 B 126 ACE ALA ASP GLU ILE ALA LYS ALA GLN VAL ALA ARG PRO SEQRES 2 B 126 GLY GLY ASP THR ILE PHE GLY LYS ILE ILE ARG LYS GLU SEQRES 3 B 126 ILE PRO ALA LYS ILE ILE PHE GLU ASP ASP ARG CYS LEU SEQRES 4 B 126 ALA PHE HIS ASP ILE SER PRO GLN ALA PRO THR HIS PHE SEQRES 5 B 126 LEU VAL ILE PRO LYS LYS HIS ILE SER GLN ILE SER VAL SEQRES 6 B 126 ALA GLU ASP ASP ASP GLU SER LEU LEU GLY HIS LEU MET SEQRES 7 B 126 ILE VAL GLY LYS LYS CYS ALA ALA ASP LEU GLY LEU ASN SEQRES 8 B 126 LYS GLY TYR ARG MET VAL VAL ASN GLU GLY SER ASP GLY SEQRES 9 B 126 GLY GLN SER VAL TYR HIS VAL HIS LEU HIS VAL LEU GLY SEQRES 10 B 126 GLY ARG GLN MET HIS TRP PRO PRO GLY HET ADW B 127 27 HETNAM ADW ADENOSINE-5'-DITUNGSTATE FORMUL 3 ADW C10 H15 N5 O10 W2 FORMUL 4 HOH *256(H2 O) HELIX 1 1 ILE A 18 ILE A 23 1 6 HELIX 2 2 ILE A 63 VAL A 65 5 3 HELIX 3 3 ASP A 68 LEU A 88 5 21 HELIX 4 4 GLY A 101 GLY A 104 1 4 HELIX 5 5 ILE B 18 ILE B 23 1 6 HELIX 6 6 ILE B 63 VAL B 65 5 3 HELIX 7 7 ASP B 68 ASP B 87 5 20 HELIX 8 8 GLY B 101 GLY B 104 1 4 SHEET 1 A 5 TYR A 94 VAL A 98 0 SHEET 2 A 5 HIS A 112 GLY A 117 -1 N LEU A 116 O ARG A 95 SHEET 3 A 5 THR A 50 PRO A 56 -1 N VAL A 54 O LEU A 113 SHEET 4 A 5 CYS A 38 HIS A 42 -1 N PHE A 41 O LEU A 53 SHEET 5 A 5 ILE A 31 GLU A 34 -1 N PHE A 33 O ALA A 40 SHEET 1 B 5 TYR B 94 VAL B 98 0 SHEET 2 B 5 HIS B 112 GLY B 117 -1 N LEU B 116 O ARG B 95 SHEET 3 B 5 THR B 50 PRO B 56 -1 N VAL B 54 O LEU B 113 SHEET 4 B 5 CYS B 38 HIS B 42 -1 N PHE B 41 O LEU B 53 SHEET 5 B 5 ILE B 31 GLU B 34 -1 N PHE B 33 O ALA B 40 LINK OG SER B 107 WB ADW B 127 1555 1555 3.24 LINK NE2 HIS B 112 WA ADW B 127 1555 1555 2.52 CISPEP 1 TRP A 123 PRO A 124 0 0.20 CISPEP 2 TRP B 123 PRO B 124 0 0.38 SITE 1 HNA 3 HIS A 51 HIS A 112 HIS A 114 SITE 1 HNB 3 HIS B 51 HIS B 112 HIS B 114 SITE 1 AVA 1 HIS A 112 SITE 1 AVB 1 HIS B 112 SITE 1 AC1 20 TRP A 123 PHE B 19 PHE B 41 HIS B 42 SITE 2 AC1 20 ASP B 43 ILE B 44 SER B 45 LEU B 53 SITE 3 AC1 20 ASN B 99 GLY B 105 GLN B 106 SER B 107 SITE 4 AC1 20 VAL B 108 HIS B 112 HIS B 114 HOH B 130 SITE 5 AC1 20 HOH B 175 HOH B 179 HOH B 184 HOH B 197 CRYST1 46.200 77.800 80.800 90.00 90.00 90.00 P 21 21 21 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 0.021645 0.000000 0.000000 0.00000 SCALE2 0.000000 0.012853 0.000000 0.00000 SCALE3 0.000000 0.000000 0.012376 0.00000