PDB Short entry for 1CI6 HEADER TRANSCRIPTION 07-APR-99 1CI6 TITLE TRANSCRIPTION FACTOR ATF4-C/EBP BETA BZIP HETERODIMER COMPND MOL_ID: 1; COMPND 2 MOLECULE: TRANSCRIPTION FACTOR ATF-4; COMPND 3 CHAIN: A; COMPND 4 ENGINEERED: YES; COMPND 5 MOL_ID: 2; COMPND 6 MOLECULE: TRANSCRIPTION FACTOR C/EBP BETA; COMPND 7 CHAIN: B; COMPND 8 ENGINEERED: YES SOURCE MOL_ID: 1; SOURCE 2 ORGANISM_SCIENTIFIC: HOMO SAPIENS; SOURCE 3 ORGANISM_COMMON: HUMAN; SOURCE 4 ORGANISM_TAXID: 9606; SOURCE 5 EXPRESSION_SYSTEM: ESCHERICHIA COLI BL21(DE3); SOURCE 6 EXPRESSION_SYSTEM_TAXID: 469008; SOURCE 7 EXPRESSION_SYSTEM_STRAIN: BL21; SOURCE 8 EXPRESSION_SYSTEM_VARIANT: DE3; SOURCE 9 EXPRESSION_SYSTEM_VECTOR_TYPE: PLASMID; SOURCE 10 EXPRESSION_SYSTEM_PLASMID: PET11A; SOURCE 11 MOL_ID: 2; SOURCE 12 ORGANISM_SCIENTIFIC: MUS MUSCULUS; SOURCE 13 ORGANISM_COMMON: HOUSE MOUSE; SOURCE 14 ORGANISM_TAXID: 10090; SOURCE 15 EXPRESSION_SYSTEM: ESCHERICHIA COLI BL21(DE3); SOURCE 16 EXPRESSION_SYSTEM_TAXID: 469008; SOURCE 17 EXPRESSION_SYSTEM_STRAIN: BL21; SOURCE 18 EXPRESSION_SYSTEM_VARIANT: DE3; SOURCE 19 EXPRESSION_SYSTEM_VECTOR_TYPE: PLASMID; SOURCE 20 EXPRESSION_SYSTEM_PLASMID: PET11A KEYWDS TRANSCRIPTION FACTOR, BZIP, TRANSCRIPTION EXPDTA X-RAY DIFFRACTION AUTHOR L.M.PODUST,Y.KIM REVDAT 4 09-AUG-23 1CI6 1 REMARK SEQADV LINK REVDAT 3 24-FEB-09 1CI6 1 VERSN REVDAT 2 17-AUG-04 1CI6 1 JRNL SEQADV REMARK REVDAT 1 04-DEC-00 1CI6 0 JRNL AUTH L.M.PODUST,A.M.KREZEL,Y.KIM JRNL TITL CRYSTAL STRUCTURE OF THE CCAAT BOX/ENHANCER-BINDING PROTEIN JRNL TITL 2 BETA ACTIVATING TRANSCRIPTION FACTOR-4 BASIC LEUCINE ZIPPER JRNL TITL 3 HETERODIMER IN THE ABSENCE OF DNA JRNL REF J.BIOL.CHEM. V. 276 505 2001 JRNL REFN ISSN 0021-9258 JRNL PMID 11018027 JRNL DOI 10.1074/JBC.M005594200 REMARK 2 REMARK 2 RESOLUTION. 2.60 ANGSTROMS. REMARK 3 REMARK 3 REFINEMENT. REMARK 3 PROGRAM : CNS 0.4 REMARK 3 AUTHORS : BRUNGER,ADAMS,CLORE,DELANO,GROS,GROSSE- REMARK 3 : KUNSTLEVE,JIANG,KUSZEWSKI,NILGES,PANNU, REMARK 3 : READ,RICE,SIMONSON,WARREN REMARK 3 REMARK 3 REFINEMENT TARGET : NULL 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)) : 2.000 REMARK 3 DATA CUTOFF HIGH (ABS(F)) : NULL REMARK 3 DATA CUTOFF LOW (ABS(F)) : NULL REMARK 3 COMPLETENESS (WORKING+TEST) (%) : 89.5 REMARK 3 NUMBER OF REFLECTIONS : 5890 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 SET) : 0.217 REMARK 3 FREE R VALUE : 0.273 REMARK 3 FREE R VALUE TEST SET SIZE (%) : 9.700 REMARK 3 FREE R VALUE TEST SET COUNT : 638 REMARK 3 ESTIMATED ERROR OF FREE R VALUE : 0.011 REMARK 3 REMARK 3 FIT IN THE HIGHEST RESOLUTION BIN. REMARK 3 TOTAL NUMBER OF BINS USED : 12 REMARK 3 BIN RESOLUTION RANGE HIGH (A) : 2.60 REMARK 3 BIN RESOLUTION RANGE LOW (A) : 2.67 REMARK 3 BIN COMPLETENESS (WORKING+TEST) (%) : 73.00 REMARK 3 REFLECTIONS IN BIN (WORKING SET) : 350 REMARK 3 BIN R VALUE (WORKING SET) : 0.2940 REMARK 3 BIN FREE R VALUE : 0.3630 REMARK 3 BIN FREE R VALUE TEST SET SIZE (%) : 9.60 REMARK 3 BIN FREE R VALUE TEST SET COUNT : 37 REMARK 3 ESTIMATED ERROR OF BIN FREE R VALUE : 0.060 REMARK 3 REMARK 3 NUMBER OF NON-HYDROGEN ATOMS USED IN REFINEMENT. REMARK 3 PROTEIN ATOMS : 840 REMARK 3 NUCLEIC ACID ATOMS : 0 REMARK 3 HETEROGEN ATOMS : 7 REMARK 3 SOLVENT ATOMS : 86 REMARK 3 REMARK 3 B VALUES. REMARK 3 FROM WILSON PLOT (A**2) : 53.80 REMARK 3 MEAN B VALUE (OVERALL, A**2) : 49.20 REMARK 3 OVERALL ANISOTROPIC B VALUE. REMARK 3 B11 (A**2) : 12.40000 REMARK 3 B22 (A**2) : -14.00000 REMARK 3 B33 (A**2) : 1.50000 REMARK 3 B12 (A**2) : 0.00000 REMARK 3 B13 (A**2) : 0.00000 REMARK 3 B23 (A**2) : 0.00000 REMARK 3 REMARK 3 ESTIMATED COORDINATE ERROR. REMARK 3 ESD FROM LUZZATI PLOT (A) : 0.34 REMARK 3 ESD FROM SIGMAA (A) : 0.25 REMARK 3 LOW RESOLUTION CUTOFF (A) : 8.00 REMARK 3 REMARK 3 CROSS-VALIDATED ESTIMATED COORDINATE ERROR. REMARK 3 ESD FROM C-V LUZZATI PLOT (A) : 0.45 REMARK 3 ESD FROM C-V SIGMAA (A) : 0.37 REMARK 3 REMARK 3 RMS DEVIATIONS FROM IDEAL VALUES. REMARK 3 BOND LENGTHS (A) : 0.006 REMARK 3 BOND ANGLES (DEGREES) : 0.900 REMARK 3 DIHEDRAL ANGLES (DEGREES) : 14.20 REMARK 3 IMPROPER ANGLES (DEGREES) : 0.590 REMARK 3 REMARK 3 ISOTROPIC THERMAL MODEL : RESTRAINED REMARK 3 REMARK 3 ISOTROPIC THERMAL FACTOR RESTRAINTS. RMS SIGMA REMARK 3 MAIN-CHAIN BOND (A**2) : 3.860 ; 1.500 REMARK 3 MAIN-CHAIN ANGLE (A**2) : 5.670 ; 2.000 REMARK 3 SIDE-CHAIN BOND (A**2) : 6.720 ; 2.000 REMARK 3 SIDE-CHAIN ANGLE (A**2) : 9.980 ; 2.500 REMARK 3 REMARK 3 BULK SOLVENT MODELING. REMARK 3 METHOD USED : FLAT MODEL REMARK 3 KSOL : 0.48 REMARK 3 BSOL : 87.74 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 : PROTEIN_REP.PA REMARK 3 PARAMETER FILE 2 : WATER_REP.PARA REMARK 3 PARAMETER FILE 3 : ION.PARAM REMARK 3 PARAMETER FILE 4 : SEO.PAR REMARK 3 PARAMETER FILE 5 : NULL REMARK 3 TOPOLOGY FILE 1 : PROTEIN.TOP REMARK 3 TOPOLOGY FILE 2 : WATER.TOP REMARK 3 TOPOLOGY FILE 3 : ION.TOP REMARK 3 TOPOLOGY FILE 4 : SEO.TOP REMARK 3 TOPOLOGY FILE 5 : NULL REMARK 3 REMARK 3 OTHER REFINEMENT REMARKS: BULK SOLVENT MODEL USED REMARK 4 REMARK 4 1CI6 COMPLIES WITH FORMAT V. 3.30, 13-JUL-11 REMARK 100 REMARK 100 THIS ENTRY HAS BEEN PROCESSED BY RCSB ON 08-APR-99. REMARK 100 THE DEPOSITION ID IS D_1000000808. REMARK 200 REMARK 200 EXPERIMENTAL DETAILS REMARK 200 EXPERIMENT TYPE : X-RAY DIFFRACTION REMARK 200 DATE OF DATA COLLECTION : 15-MAY-98 REMARK 200 TEMPERATURE (KELVIN) : 120.0 REMARK 200 PH : 6.5 REMARK 200 NUMBER OF CRYSTALS USED : 1 REMARK 200 REMARK 200 SYNCHROTRON (Y/N) : N REMARK 200 RADIATION SOURCE : ROTATING ANODE REMARK 200 BEAMLINE : NULL REMARK 200 X-RAY GENERATOR MODEL : RIGAKU RU200 REMARK 200 MONOCHROMATIC OR LAUE (M/L) : M REMARK 200 WAVELENGTH OR RANGE (A) : 1.5418 REMARK 200 MONOCHROMATOR : NI FILTER REMARK 200 OPTICS : MIRRORS REMARK 200 REMARK 200 DETECTOR TYPE : IMAGE PLATE REMARK 200 DETECTOR MANUFACTURER : RIGAKU REMARK 200 INTENSITY-INTEGRATION SOFTWARE : DENZO REMARK 200 DATA SCALING SOFTWARE : SCALEPACK REMARK 200 REMARK 200 NUMBER OF UNIQUE REFLECTIONS : 6800 REMARK 200 RESOLUTION RANGE HIGH (A) : 2.600 REMARK 200 RESOLUTION RANGE LOW (A) : 20.000 REMARK 200 REJECTION CRITERIA (SIGMA(I)) : 0.000 REMARK 200 REMARK 200 OVERALL. REMARK 200 COMPLETENESS FOR RANGE (%) : 99.0 REMARK 200 DATA REDUNDANCY : 4.700 REMARK 200 R MERGE (I) : NULL REMARK 200 R SYM (I) : 0.08200 REMARK 200 <I/SIGMA(I)> FOR THE DATA SET : 8.3000 REMARK 200 REMARK 200 IN THE HIGHEST RESOLUTION SHELL. REMARK 200 HIGHEST RESOLUTION SHELL, RANGE HIGH (A) : 2.60 REMARK 200 HIGHEST RESOLUTION SHELL, RANGE LOW (A) : 2.69 REMARK 200 COMPLETENESS FOR SHELL (%) : 99.9 REMARK 200 DATA REDUNDANCY IN SHELL : 4.60 REMARK 200 R MERGE FOR SHELL (I) : NULL REMARK 200 R SYM FOR SHELL (I) : 0.48000 REMARK 200 <I/SIGMA(I)> FOR SHELL : 3.600 REMARK 200 REMARK 200 DIFFRACTION PROTOCOL: SINGLE WAVELENGTH REMARK 200 METHOD USED TO DETERMINE THE STRUCTURE: MOLECULAR REPLACEMENT REMARK 200 SOFTWARE USED: X-PLOR REMARK 200 STARTING MODEL: PDB ENTRY 1FOS REMARK 200 REMARK 200 REMARK: NULL REMARK 280 REMARK 280 CRYSTAL REMARK 280 SOLVENT CONTENT, VS (%): 64.50 REMARK 280 MATTHEWS COEFFICIENT, VM (ANGSTROMS**3/DA): 3.50 REMARK 280 REMARK 280 CRYSTALLIZATION CONDITIONS: 2.0 M (NH4)2SO4, 100 MM SODIUM REMARK 280 CACODYLATE, PH 6.5, 10.0 % DIOXANE AT 15 DEGREES C, VAPOR REMARK 280 DIFFUSION, HANGING DROP, TEMPERATURE 288K REMARK 290 REMARK 290 CRYSTALLOGRAPHIC SYMMETRY REMARK 290 SYMMETRY OPERATORS FOR SPACE GROUP: P 2 2 21 REMARK 290 REMARK 290 SYMOP SYMMETRY REMARK 290 NNNMMM OPERATOR REMARK 290 1555 X,Y,Z REMARK 290 2555 -X,-Y,Z+1/2 REMARK 290 3555 -X,Y,-Z+1/2 REMARK 290 4555 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 -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 17.65850 REMARK 290 SMTRY1 3 -1.000000 0.000000 0.000000 0.00000 REMARK 290 SMTRY2 3 0.000000 1.000000 0.000000 0.00000 REMARK 290 SMTRY3 3 0.000000 0.000000 -1.000000 17.65850 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 REMARK 290 REMARK: NULL REMARK 300 REMARK 300 BIOMOLECULE: 1, 2, 3, 4 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: 2340 ANGSTROM**2 REMARK 350 SURFACE AREA OF THE COMPLEX: 8300 ANGSTROM**2 REMARK 350 CHANGE IN SOLVENT FREE ENERGY: -20.0 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 REMARK 350 BIOMOLECULE: 2 REMARK 350 SOFTWARE DETERMINED QUATERNARY STRUCTURE: TETRAMERIC REMARK 350 SOFTWARE USED: PISA REMARK 350 TOTAL BURIED SURFACE AREA: 5840 ANGSTROM**2 REMARK 350 SURFACE AREA OF THE COMPLEX: 15570 ANGSTROM**2 REMARK 350 CHANGE IN SOLVENT FREE ENERGY: -66.0 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 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 350 REMARK 350 BIOMOLECULE: 3 REMARK 350 SOFTWARE DETERMINED QUATERNARY STRUCTURE: TETRAMERIC REMARK 350 SOFTWARE USED: PISA REMARK 350 TOTAL BURIED SURFACE AREA: 6540 ANGSTROM**2 REMARK 350 SURFACE AREA OF THE COMPLEX: 14870 ANGSTROM**2 REMARK 350 CHANGE IN SOLVENT FREE ENERGY: -61.0 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 -1.000000 0.000000 0.000000 72.62800 REMARK 350 BIOMT2 2 0.000000 1.000000 0.000000 0.00000 REMARK 350 BIOMT3 2 0.000000 0.000000 -1.000000 52.97550 REMARK 350 REMARK 350 BIOMOLECULE: 4 REMARK 350 SOFTWARE DETERMINED QUATERNARY STRUCTURE: TETRAMERIC REMARK 350 SOFTWARE USED: PISA REMARK 350 TOTAL BURIED SURFACE AREA: 5740 ANGSTROM**2 REMARK 350 SURFACE AREA OF THE COMPLEX: 15670 ANGSTROM**2 REMARK 350 CHANGE IN SOLVENT FREE ENERGY: -61.0 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 1.000000 0.000000 0.000000 0.00000 REMARK 350 BIOMT2 2 0.000000 -1.000000 0.000000 -81.15200 REMARK 350 BIOMT3 2 0.000000 0.000000 -1.000000 35.31700 REMARK 375 REMARK 375 SPECIAL POSITION REMARK 375 THE FOLLOWING ATOMS ARE FOUND TO BE WITHIN 0.15 ANGSTROMS REMARK 375 OF A SYMMETRY RELATED ATOM AND ARE ASSUMED TO BE ON SPECIAL REMARK 375 POSITIONS. REMARK 375 REMARK 375 ATOM RES CSSEQI REMARK 375 FE FE A 402 LIES ON A SPECIAL POSITION. REMARK 375 FE FE B 400 LIES ON A SPECIAL POSITION. REMARK 375 FE FE B 401 LIES ON A SPECIAL POSITION. REMARK 375 HOH B 7 LIES ON A SPECIAL POSITION. 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 279 REMARK 465 LYS A 280 REMARK 465 LYS A 281 REMARK 465 LEU A 282 REMARK 465 LYS A 283 REMARK 465 LYS A 284 REMARK 465 MET A 285 REMARK 465 MET B 223 REMARK 465 GLU B 224 REMARK 465 TYR B 225 REMARK 465 LYS B 226 REMARK 465 MET B 227 REMARK 465 ARG B 228 REMARK 465 ARG B 229 REMARK 465 GLU B 230 REMARK 465 ARG B 231 REMARK 465 ASN B 232 REMARK 465 ASN B 233 REMARK 465 ILE B 234 REMARK 465 ALA B 235 REMARK 465 VAL B 236 REMARK 465 ARG B 237 REMARK 465 LYS B 238 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 286 CG CD OE1 OE2 REMARK 470 GLN A 287 CG CD OE1 NE2 REMARK 470 LYS A 289 CG CD CE NZ REMARK 470 LYS B 242 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 B 283 42.41 -76.36 REMARK 500 GLN B 284 -75.74 -103.89 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 FE B 400 REMARK 800 REMARK 800 SITE_IDENTIFIER: AC2 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE BME A 500 DBREF 1CI6 A 280 341 UNP P18848 ATF4_HUMAN 280 341 DBREF 1CI6 B 223 285 UNP P28033 CEBPB_MOUSE 223 285 SEQADV 1CI6 MET A 279 UNP P18848 INITIATING METHIONINE SEQRES 1 A 63 MET LYS LYS LEU LYS LYS MET GLU GLN ASN LYS THR ALA SEQRES 2 A 63 ALA THR ARG TYR ARG GLN LYS LYS ARG ALA GLU GLN GLU SEQRES 3 A 63 ALA LEU THR GLY GLU CYS LYS GLU LEU GLU LYS LYS ASN SEQRES 4 A 63 GLU ALA LEU LYS GLU ARG ALA ASP SER LEU ALA LYS GLU SEQRES 5 A 63 ILE GLN TYR LEU LYS ASP LEU ILE GLU GLU VAL SEQRES 1 B 63 MET GLU TYR LYS MET ARG ARG GLU ARG ASN ASN ILE ALA SEQRES 2 B 63 VAL ARG LYS SER ARG ASP LYS ALA LYS MET ARG ASN LEU SEQRES 3 B 63 GLU THR GLN HIS LYS VAL LEU GLU LEU THR ALA GLU ASN SEQRES 4 B 63 GLU ARG LEU GLN LYS LYS VAL GLU GLN LEU SER ARG GLU SEQRES 5 B 63 LEU SER THR LEU ARG ASN LEU PHE LYS GLN LEU HET FE A 402 1 HET BME A 500 4 HET FE B 400 1 HET FE B 401 1 HETNAM FE FE (III) ION HETNAM BME BETA-MERCAPTOETHANOL FORMUL 3 FE 3(FE 3+) FORMUL 4 BME C2 H6 O S FORMUL 7 HOH *86(H2 O) HELIX 1 H2 SER B 239 LEU B 285 1 47 LINK SG CYS A 310 S2 BME A 500 1555 1555 2.03 SITE 1 AC1 2 THR B 277 ASN B 280 SITE 1 AC2 3 CYS A 310 LYS A 315 LYS B 253 CRYST1 72.628 81.152 35.317 90.00 90.00 90.00 P 2 2 21 4 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 0.013769 0.000000 0.000000 0.00000 SCALE2 0.000000 0.012322 0.000000 0.00000 SCALE3 0.000000 0.000000 0.028315 0.00000