HEADER TRANSLATION 11-DEC-01 1KL9 TITLE CRYSTAL STRUCTURE OF THE N-TERMINAL SEGMENT OF HUMAN EUKARYOTIC TITLE 2 INITIATION FACTOR 2ALPHA COMPND MOL_ID: 1; COMPND 2 MOLECULE: EUKARYOTIC TRANSLATION INITIATION FACTOR 2 SUBUNIT 1; COMPND 3 CHAIN: A; COMPND 4 FRAGMENT: RESIDUES 1-182; COMPND 5 SYNONYM: EUKARYOTIC TRANSLATION INITIATION FACTOR 2 ALPHA SUBUNIT; COMPND 6 EIF-2-ALPHA; EIF-2ALPHA; EIF-2A; COMPND 7 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; SOURCE 6 EXPRESSION_SYSTEM_TAXID: 562 KEYWDS OB FOLD, HELICAL DOMAIN, TRANSLATION EXPDTA X-RAY DIFFRACTION AUTHOR M.C.NONATO,J.WIDOM,J.CLARDY REVDAT 6 16-OCT-24 1KL9 1 REMARK SEQADV LINK REVDAT 5 31-JAN-18 1KL9 1 REMARK REVDAT 4 13-JUL-11 1KL9 1 VERSN REVDAT 3 24-FEB-09 1KL9 1 VERSN REVDAT 2 05-APR-05 1KL9 1 JRNL REMARK REVDAT 1 11-MAR-02 1KL9 0 JRNL AUTH M.C.NONATO,J.WIDOM,J.CLARDY JRNL TITL CRYSTAL STRUCTURE OF THE N-TERMINAL SEGMENT OF HUMAN JRNL TITL 2 EUKARYOTIC TRANSLATION INITIATION FACTOR 2ALPHA JRNL REF J.BIOL.CHEM. V. 277 17057 2002 JRNL REFN ISSN 0021-9258 JRNL PMID 11859078 JRNL DOI 10.1074/JBC.M111804200 REMARK 2 REMARK 2 RESOLUTION. 1.90 ANGSTROMS. REMARK 3 REMARK 3 REFINEMENT. REMARK 3 PROGRAM : REFMAC REMARK 3 AUTHORS : MURSHUDOV,SKUBAK,LEBEDEV,PANNU,STEINER, REMARK 3 : NICHOLLS,WINN,LONG,VAGIN REMARK 3 REMARK 3 DATA USED IN REFINEMENT. REMARK 3 RESOLUTION RANGE HIGH (ANGSTROMS) : 1.90 REMARK 3 RESOLUTION RANGE LOW (ANGSTROMS) : 30.00 REMARK 3 DATA CUTOFF (SIGMA(F)) : 3.000 REMARK 3 COMPLETENESS FOR RANGE (%) : 90.2 REMARK 3 NUMBER OF REFLECTIONS : 14172 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 + TEST SET) : 0.200 REMARK 3 R VALUE (WORKING SET) : 0.198 REMARK 3 FREE R VALUE : 0.233 REMARK 3 FREE R VALUE TEST SET SIZE (%) : 4.900 REMARK 3 FREE R VALUE TEST SET COUNT : 723 REMARK 3 REMARK 3 NUMBER OF NON-HYDROGEN ATOMS USED IN REFINEMENT. REMARK 3 PROTEIN ATOMS : 1293 REMARK 3 NUCLEIC ACID ATOMS : 0 REMARK 3 HETEROGEN ATOMS : 4 REMARK 3 SOLVENT ATOMS : 94 REMARK 3 REMARK 3 B VALUES. REMARK 3 FROM WILSON PLOT (A**2) : NULL REMARK 3 MEAN B VALUE (OVERALL, A**2) : 36.60 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 OVERALL COORDINATE ERROR. REMARK 3 ESU BASED ON R VALUE (A): NULL REMARK 3 ESU BASED ON FREE R VALUE (A): NULL REMARK 3 ESU BASED ON MAXIMUM LIKELIHOOD (A): NULL REMARK 3 ESU FOR B VALUES BASED ON MAXIMUM LIKELIHOOD (A**2): NULL REMARK 3 REMARK 3 RMS DEVIATIONS FROM IDEAL VALUES. REMARK 3 DISTANCE RESTRAINTS. RMS SIGMA REMARK 3 BOND LENGTH (A) : 0.016 ; 0.021 REMARK 3 ANGLE DISTANCE (A) : 1.199 ; 1.949 REMARK 3 INTRAPLANAR 1-4 DISTANCE (A) : 0.005 ; 0.020 REMARK 3 H-BOND OR METAL COORDINATION (A) : 0.171 ; 0.500 REMARK 3 REMARK 3 PLANE RESTRAINT (A) : 0.005 ; 0.020 REMARK 3 CHIRAL-CENTER RESTRAINT (A**3) : 0.065 ; 0.200 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) : 8.157 ; 0.000 REMARK 3 MAIN-CHAIN ANGLE (A**2) : 10.581; 0.000 REMARK 3 SIDE-CHAIN BOND (A**2) : 22.186; 0.000 REMARK 3 SIDE-CHAIN ANGLE (A**2) : 27.975; 0.000 REMARK 3 REMARK 3 OTHER REFINEMENT REMARKS: NULL REMARK 4 REMARK 4 1KL9 COMPLIES WITH FORMAT V. 3.30, 13-JUL-11 REMARK 100 REMARK 100 THIS ENTRY HAS BEEN PROCESSED BY RCSB ON 14-DEC-01. REMARK 100 THE DEPOSITION ID IS D_1000015075. REMARK 200 REMARK 200 EXPERIMENTAL DETAILS REMARK 200 EXPERIMENT TYPE : X-RAY DIFFRACTION REMARK 200 DATE OF DATA COLLECTION : 27-DEC-00 REMARK 200 TEMPERATURE (KELVIN) : 100.0 REMARK 200 PH : 5.5 REMARK 200 NUMBER OF CRYSTALS USED : 1 REMARK 200 REMARK 200 SYNCHROTRON (Y/N) : Y REMARK 200 RADIATION SOURCE : CHESS REMARK 200 BEAMLINE : F2 REMARK 200 X-RAY GENERATOR MODEL : NULL REMARK 200 MONOCHROMATIC OR LAUE (M/L) : M REMARK 200 WAVELENGTH OR RANGE (A) : 0.9795, 0.9793, 0.9640 REMARK 200 MONOCHROMATOR : DOUBLE CRYSTAL REMARK 200 OPTICS : NULL REMARK 200 REMARK 200 DETECTOR TYPE : CCD REMARK 200 DETECTOR MANUFACTURER : ADSC QUANTUM 4 REMARK 200 INTENSITY-INTEGRATION SOFTWARE : MOSFLM REMARK 200 DATA SCALING SOFTWARE : SCALA, CCP4 (SCALA) REMARK 200 REMARK 200 NUMBER OF UNIQUE REFLECTIONS : 14922 REMARK 200 RESOLUTION RANGE HIGH (A) : 1.900 REMARK 200 RESOLUTION RANGE LOW (A) : 60.000 REMARK 200 REJECTION CRITERIA (SIGMA(I)) : 1.500 REMARK 200 REMARK 200 OVERALL. REMARK 200 COMPLETENESS FOR RANGE (%) : 90.9 REMARK 200 DATA REDUNDANCY : 6.000 REMARK 200 R MERGE (I) : 0.06000 REMARK 200 R SYM (I) : NULL REMARK 200 <I/SIGMA(I)> FOR THE DATA SET : 7.7000 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: MAD REMARK 200 METHOD USED TO DETERMINE THE STRUCTURE: MAD REMARK 200 SOFTWARE USED: SHARP REMARK 200 STARTING MODEL: NULL REMARK 200 REMARK 200 REMARK: NULL REMARK 280 REMARK 280 CRYSTAL REMARK 280 SOLVENT CONTENT, VS (%): 47.28 REMARK 280 MATTHEWS COEFFICIENT, VM (ANGSTROMS**3/DA): 2.33 REMARK 280 REMARK 280 CRYSTALLIZATION CONDITIONS: PEG 4000, SODIUM ACETATE, ZINC REMARK 280 CHLORIDE, PH 5.5, VAPOR DIFFUSION, SITTING DROP AT 295K 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 60.71000 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 60.71000 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 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: MONOMERIC 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 REMARK 350 BIOMOLECULE: 2 REMARK 350 SOFTWARE DETERMINED QUATERNARY STRUCTURE: DIMERIC REMARK 350 SOFTWARE USED: PISA,PQS REMARK 350 TOTAL BURIED SURFACE AREA: 2420 ANGSTROM**2 REMARK 350 SURFACE AREA OF THE COMPLEX: 15770 ANGSTROM**2 REMARK 350 CHANGE IN SOLVENT FREE ENERGY: -262.0 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 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: DIMERIC REMARK 350 SOFTWARE USED: PISA REMARK 350 TOTAL BURIED SURFACE AREA: 1350 ANGSTROM**2 REMARK 350 SURFACE AREA OF THE COMPLEX: 16640 ANGSTROM**2 REMARK 350 CHANGE IN SOLVENT FREE ENERGY: -169.0 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 37.28000 REMARK 350 BIOMT2 2 0.000000 1.000000 0.000000 0.00000 REMARK 350 BIOMT3 2 0.000000 0.000000 -1.000000 60.71000 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 PRO A 1 REMARK 465 GLY A 2 REMARK 465 SER A 51 REMARK 465 ARG A 52 REMARK 465 ARG A 53 REMARK 465 ARG A 54 REMARK 465 ILE A 55 REMARK 465 ARG A 56 REMARK 465 SER A 57 REMARK 465 ILE A 58 REMARK 465 ASN A 59 REMARK 465 LYS A 60 REMARK 465 LEU A 61 REMARK 465 ILE A 62 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 LYS A 11 NZ REMARK 470 ARG A 24 NH1 NH2 REMARK 470 GLU A 28 CB CG CD OE1 OE2 REMARK 470 MSE A 29 CB CG SE CE REMARK 470 LEU A 46 CG CD1 CD2 REMARK 470 LEU A 50 CD1 CD2 REMARK 470 ARG A 63 CG CD NE CZ NH1 NH2 REMARK 470 ILE A 64 CG2 CD1 REMARK 470 ARG A 66 CD NE CZ NH1 NH2 REMARK 470 GLU A 68 CD OE1 OE2 REMARK 470 ARG A 74 NE CZ NH1 NH2 REMARK 470 GLU A 78 CG CD OE1 OE2 REMARK 470 LYS A 79 CD CE NZ REMARK 470 TYR A 81 CG CD1 CD2 CE1 CE2 CZ OH REMARK 470 LYS A 86 CE NZ REMARK 470 ARG A 87 CZ NH1 NH2 REMARK 470 GLU A 92 CD OE1 OE2 REMARK 470 LYS A 105 CE NZ REMARK 470 ARG A 112 NE CZ NH1 NH2 REMARK 470 LYS A 122 CD CE NZ REMARK 470 GLU A 124 CD OE1 OE2 REMARK 470 LYS A 153 CE NZ REMARK 470 GLU A 169 CD OE1 OE2 REMARK 470 ARG A 172 CG CD NE CZ NH1 NH2 REMARK 470 GLU A 173 CG CD OE1 OE2 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 LYS A 96 CE NZ 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 HOH A 544 O HOH A 593 2.18 REMARK 500 REMARK 500 REMARK: NULL 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 587 O HOH A 596 4555 2.12 REMARK 500 O HOH A 593 O HOH A 593 4555 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 GLU A 16 -11.88 87.54 REMARK 500 THR A 133 -88.39 -127.88 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 ZN A 502 ZN REMARK 620 N RES CSSEQI ATOM REMARK 620 1 HIS A 10 NE2 REMARK 620 2 HOH A 587 O 113.4 REMARK 620 3 HOH A 596 O 110.3 58.3 REMARK 620 N 1 2 REMARK 620 REMARK 620 COORDINATION ANGLES FOR: M RES CSSEQI METAL REMARK 620 ZN A 501 ZN REMARK 620 N RES CSSEQI ATOM REMARK 620 1 GLU A 42 OE2 REMARK 620 2 GLU A 42 OE1 56.2 REMARK 620 3 HIS A 154 NE2 86.0 116.2 REMARK 620 4 ASP A 158 OD2 88.6 110.3 118.8 REMARK 620 5 HOH A 592 O 160.2 107.7 112.9 87.0 REMARK 620 N 1 2 3 4 REMARK 800 REMARK 800 SITE REMARK 800 SITE_IDENTIFIER: AC1 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE ZN A 501 REMARK 800 REMARK 800 SITE_IDENTIFIER: AC2 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE ZN A 502 REMARK 800 REMARK 800 SITE_IDENTIFIER: AC3 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE ZN A 503 REMARK 800 REMARK 800 SITE_IDENTIFIER: AC4 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE ZN A 504 DBREF 1KL9 A 1 182 UNP P05198 IF2A_HUMAN 1 182 SEQADV 1KL9 MSE A 20 UNP P05198 MET 20 CLONING ARTIFACT SEQADV 1KL9 MSE A 29 UNP P05198 MET 29 CLONING ARTIFACT SEQADV 1KL9 MSE A 44 UNP P05198 MET 44 CLONING ARTIFACT SEQRES 1 A 182 PRO GLY LEU SER CYS ARG PHE TYR GLN HIS LYS PHE PRO SEQRES 2 A 182 GLU VAL GLU ASP VAL VAL MSE VAL ASN VAL ARG SER ILE SEQRES 3 A 182 ALA GLU MSE GLY ALA TYR VAL SER LEU LEU GLU TYR ASN SEQRES 4 A 182 ASN ILE GLU GLY MSE ILE LEU LEU SER GLU LEU SER ARG SEQRES 5 A 182 ARG ARG ILE ARG SER ILE ASN LYS LEU ILE ARG ILE GLY SEQRES 6 A 182 ARG ASN GLU CYS VAL VAL VAL ILE ARG VAL ASP LYS GLU SEQRES 7 A 182 LYS GLY TYR ILE ASP LEU SER LYS ARG ARG VAL SER PRO SEQRES 8 A 182 GLU GLU ALA ILE LYS CYS GLU ASP LYS PHE THR LYS SER SEQRES 9 A 182 LYS THR VAL TYR SER ILE LEU ARG HIS VAL ALA GLU VAL SEQRES 10 A 182 LEU GLU TYR THR LYS ASP GLU GLN LEU GLU SER LEU PHE SEQRES 11 A 182 GLN ARG THR ALA TRP VAL PHE ASP ASP LYS TYR LYS ARG SEQRES 12 A 182 PRO GLY TYR GLY ALA TYR ASP ALA PHE LYS HIS ALA VAL SEQRES 13 A 182 SER ASP PRO SER ILE LEU ASP SER LEU ASP LEU ASN GLU SEQRES 14 A 182 ASP GLU ARG GLU VAL LEU ILE ASN ASN ILE ASN ARG ARG MODRES 1KL9 MSE A 20 MET SELENOMETHIONINE MODRES 1KL9 MSE A 29 MET SELENOMETHIONINE MODRES 1KL9 MSE A 44 MET SELENOMETHIONINE HET MSE A 20 8 HET MSE A 29 4 HET MSE A 44 8 HET ZN A 501 1 HET ZN A 502 1 HET ZN A 503 1 HET ZN A 504 1 HETNAM MSE SELENOMETHIONINE HETNAM ZN ZINC ION FORMUL 1 MSE 3(C5 H11 N O2 SE) FORMUL 2 ZN 4(ZN 2+) FORMUL 6 HOH *94(H2 O) HELIX 1 1 SER A 48 LEU A 50 5 3 HELIX 2 2 SER A 90 LEU A 118 1 29 HELIX 3 3 LYS A 122 THR A 133 1 12 HELIX 4 4 THR A 133 LYS A 142 1 10 HELIX 5 5 GLY A 145 ASP A 158 1 14 HELIX 6 6 PRO A 159 ASP A 163 5 5 HELIX 7 7 ASN A 168 ARG A 182 1 15 SHEET 1 A 6 VAL A 18 ILE A 26 0 SHEET 2 A 6 GLY A 30 LEU A 35 -1 O SER A 34 N ASN A 22 SHEET 3 A 6 GLU A 42 LEU A 46 -1 O ILE A 45 N ALA A 31 SHEET 4 A 6 TYR A 81 SER A 85 1 O LEU A 84 N MSE A 44 SHEET 5 A 6 ASN A 67 ASP A 76 -1 N ARG A 74 O ASP A 83 SHEET 6 A 6 VAL A 18 ILE A 26 -1 N VAL A 21 O GLU A 68 SSBOND 1 CYS A 69 CYS A 97 1555 1555 2.11 LINK C VAL A 19 N MSE A 20 1555 1555 1.32 LINK C MSE A 20 N VAL A 21 1555 1555 1.33 LINK C GLU A 28 N MSE A 29 1555 1555 1.33 LINK C MSE A 29 N GLY A 30 1555 1555 1.33 LINK C GLY A 43 N MSE A 44 1555 1555 1.32 LINK C MSE A 44 N ILE A 45 1555 1555 1.32 LINK NE2AHIS A 10 ZN ZN A 502 1555 1555 2.35 LINK OE2 GLU A 42 ZN ZN A 501 1545 1555 2.56 LINK OE1 GLU A 42 ZN ZN A 501 1545 1555 1.95 LINK NE2 HIS A 154 ZN ZN A 501 1555 1555 1.97 LINK OD2 ASP A 158 ZN ZN A 501 1555 1555 1.81 LINK ZN ZN A 501 O HOH A 592 1555 1555 1.83 LINK ZN ZN A 502 O HOH A 587 1555 4555 2.22 LINK ZN ZN A 502 O HOH A 596 1555 1555 2.14 LINK ZN ZN A 504 O HOH A 584 1555 3655 2.67 SITE 1 AC1 4 GLU A 42 HIS A 154 ASP A 158 HOH A 592 SITE 1 AC2 3 HIS A 10 HOH A 587 HOH A 596 SITE 1 AC3 5 HIS A 10 LYS A 11 PHE A 12 LYS A 77 SITE 2 AC3 5 LYS A 142 SITE 1 AC4 3 HIS A 113 GLU A 119 HOH A 584 CRYST1 37.280 44.200 121.420 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 0.026824 0.000000 0.000000 0.00000 SCALE2 0.000000 0.022624 0.000000 0.00000 SCALE3 0.000000 0.000000 0.008236 0.00000