HEADER METAL BINDING PROTEIN 21-JUN-01 1JFK TITLE MINIMUM ENERGY REPRESENTATIVE STRUCTURE OF A CALCIUM BOUND TITLE 2 EF-HAND PROTEIN FROM ENTAMOEBA HISTOLYTICA COMPND MOL_ID: 1; COMPND 2 MOLECULE: CALCIUM-BINDING PROTEIN; COMPND 3 CHAIN: A; COMPND 4 SYNONYM: EHCABP; COMPND 5 ENGINEERED: YES SOURCE MOL_ID: 1; SOURCE 2 ORGANISM_SCIENTIFIC: ENTAMOEBA HISTOLYTICA; SOURCE 3 ORGANISM_TAXID: 5759; SOURCE 4 EXPRESSION_SYSTEM: ESCHERICHIA COLI BL21(DE3); SOURCE 5 EXPRESSION_SYSTEM_TAXID: 469008; SOURCE 6 EXPRESSION_SYSTEM_STRAIN: BL21(DE3); SOURCE 7 EXPRESSION_SYSTEM_VECTOR_TYPE: PLASMID; SOURCE 8 EXPRESSION_SYSTEM_PLASMID: PET-3C KEYWDS EF-HAND, HELIX-LOOP-HELIX, CALCIUM BINDING PROTEIN, KEYWDS 2 ENTAMOEBA HISTOLYTICA, METAL BINDING PROTEIN EXPDTA SOLUTION NMR AUTHOR H.S.ATREYA,S.C.SAHU,A.BHATTACHARYA,K.V.R.CHARY,G.GOVIL REVDAT 4 24-FEB-09 1JFK 1 VERSN REVDAT 3 01-APR-03 1JFK 1 JRNL REVDAT 2 25-DEC-02 1JFK 1 REMARK REVDAT 1 19-DEC-01 1JFK 0 JRNL AUTH H.S.ATREYA,S.C.SAHU,A.BHATTACHARYA,K.V.CHARY, JRNL AUTH 2 G.GOVIL JRNL TITL NMR DERIVED SOLUTION STRUCTURE OF AN EF-HAND JRNL TITL 2 CALCIUM-BINDING PROTEIN FROM ENTAMOEBA HISTOLYTICA. JRNL REF BIOCHEMISTRY V. 40 14392 2001 JRNL REFN ISSN 0006-2960 JRNL PMID 11724551 JRNL DOI 10.1021/BI0114978 REMARK 1 REMARK 2 REMARK 2 RESOLUTION. NOT APPLICABLE. REMARK 3 REMARK 3 REFINEMENT. REMARK 3 PROGRAM : DYANA 1.5 REMARK 3 AUTHORS : GUENTERT, MUMENTHALER AND WUTHRICH REMARK 3 REMARK 3 OTHER REFINEMENT REMARKS: 1265 NOE-DERIVED DISTANCE REMARK 3 CONSTRAINTS AND 200 DIHEDRAL ANGLE CONSTRAINTS REMARK 4 REMARK 4 1JFK COMPLIES WITH FORMAT V. 3.15, 01-DEC-08 REMARK 100 REMARK 100 THIS ENTRY HAS BEEN PROCESSED BY PDBJ ON 26-JUN-01. REMARK 100 THE RCSB ID CODE IS RCSB013711. REMARK 210 REMARK 210 EXPERIMENTAL DETAILS REMARK 210 EXPERIMENT TYPE : NMR REMARK 210 TEMPERATURE (KELVIN) : 308 REMARK 210 PH : 6.0 REMARK 210 IONIC STRENGTH : 30MM CACL2 REMARK 210 PRESSURE : 1ATM REMARK 210 SAMPLE CONTENTS : 3MM EHCABP, 30MM DEUTERATED REMARK 210 TRIS BUFFER, 30MM CACL2; 3MM REMARK 210 EHCABP, 30MM DEUTERATED TRIS REMARK 210 BUFFER, 30MM CACL2 REMARK 210 REMARK 210 NMR EXPERIMENTS CONDUCTED : 3D_15N-SEPARATED_NOESY, HNHA, REMARK 210 2D NOESY, 3D_13C-SEPARATED_ REMARK 210 NOESY REMARK 210 SPECTROMETER FIELD STRENGTH : 600 MHZ REMARK 210 SPECTROMETER MODEL : UNITYPLUS REMARK 210 SPECTROMETER MANUFACTURER : VARIAN REMARK 210 REMARK 210 STRUCTURE DETERMINATION. REMARK 210 SOFTWARE USED : DYANA 1.5 REMARK 210 METHOD USED : TORSION ANGLE DYNAMICS REMARK 210 REMARK 210 CONFORMERS, NUMBER CALCULATED : NULL REMARK 210 CONFORMERS, NUMBER SUBMITTED : 1 REMARK 210 CONFORMERS, SELECTION CRITERIA : NULL REMARK 210 REMARK 210 BEST REPRESENTATIVE CONFORMER IN THIS ENSEMBLE : 1 REMARK 210 REMARK 210 REMARK: THE STRUCTURE WAS DETERMINED USING TRIPLE RESONANCE NMR REMARK 210 SPECTROSCOPY REMARK 215 REMARK 215 NMR STUDY REMARK 215 THE COORDINATES IN THIS ENTRY WERE GENERATED FROM SOLUTION REMARK 215 NMR DATA. PROTEIN DATA BANK CONVENTIONS REQUIRE THAT REMARK 215 CRYST1 AND SCALE RECORDS BE INCLUDED, BUT THE VALUES ON REMARK 215 THESE RECORDS ARE MEANINGLESS. 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 29 -79.65 -78.07 REMARK 500 ALA A 31 54.13 -141.02 REMARK 500 ILE A 32 52.95 -94.87 REMARK 500 SER A 64 -68.53 -178.13 REMARK 500 ILE A 65 -77.74 -144.11 REMARK 500 LEU A 70 93.33 -163.44 REMARK 500 ASP A 85 93.63 -53.76 REMARK 500 ALA A 118 49.22 -89.82 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 CA A 147 CA REMARK 620 N RES CSSEQI ATOM REMARK 620 1 ASP A 14 OD2 REMARK 620 2 ASP A 10 OD1 64.8 REMARK 620 3 ASN A 12 OD1 80.7 72.5 REMARK 620 4 ALA A 16 O 95.1 102.8 174.7 REMARK 620 5 GLU A 21 OE1 169.0 123.5 108.1 76.4 REMARK 620 6 GLU A 21 OE2 143.2 88.9 66.6 116.3 47.6 REMARK 620 N 1 2 3 4 5 REMARK 620 REMARK 620 COORDINATION ANGLES FOR: M RES CSSEQI METAL REMARK 620 CA A 159 CA REMARK 620 N RES CSSEQI ATOM REMARK 620 1 ASP A 48 OD2 REMARK 620 2 ASN A 50 ND2 86.0 REMARK 620 3 ASP A 46 OD1 71.4 103.3 REMARK 620 4 ASP A 48 OD1 39.5 65.9 50.3 REMARK 620 5 GLU A 52 O 134.9 50.5 104.1 102.2 REMARK 620 6 GLU A 57 OE1 110.3 120.8 136.0 149.7 103.1 REMARK 620 7 GLU A 57 OE2 97.6 167.9 88.9 123.5 127.4 47.1 REMARK 620 8 ASN A 50 OD1 86.5 42.1 63.5 48.5 54.6 156.8 149.3 REMARK 620 N 1 2 3 4 5 6 7 REMARK 620 REMARK 620 COORDINATION ANGLES FOR: M RES CSSEQI METAL REMARK 620 CA A 171 CA REMARK 620 N RES CSSEQI ATOM REMARK 620 1 GLU A 96 OE2 REMARK 620 2 LYS A 91 O 121.9 REMARK 620 3 GLU A 96 OE1 47.7 93.2 REMARK 620 N 1 2 REMARK 620 REMARK 620 COORDINATION ANGLES FOR: M RES CSSEQI METAL REMARK 620 CA A 183 CA REMARK 620 N RES CSSEQI ATOM REMARK 620 1 ASN A 119 OD1 REMARK 620 2 GLU A 128 OE1 129.6 REMARK 620 3 GLU A 128 OE2 83.5 47.7 REMARK 620 4 ASP A 121 OD2 94.6 121.8 152.5 REMARK 620 5 TYR A 123 O 127.6 102.9 145.9 51.2 REMARK 620 6 ASP A 117 OD2 75.8 143.9 132.7 72.4 57.8 REMARK 620 N 1 2 3 4 5 REMARK 800 REMARK 800 SITE REMARK 800 SITE_IDENTIFIER: AC1 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE CA A 147 REMARK 800 SITE_IDENTIFIER: AC2 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE CA A 159 REMARK 800 SITE_IDENTIFIER: AC3 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE CA A 171 REMARK 800 SITE_IDENTIFIER: AC4 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE CA A 183 REMARK 900 REMARK 900 RELATED ENTRIES REMARK 900 RELATED ID: 1JFJ RELATED DB: PDB REMARK 900 1JFJ CONTAINS SAME HOLO PROTEIN (THE CALCIUM IONS ARE NOT REMARK 900 SHOWN EXPLICILTY IN THE STRUCTURES). REMARK 900 RELATED ID: 4271 RELATED DB: BMRB REMARK 900 4271 CONTAINS ASSIGNED CHEMICAL SHIFT LISTS DBREF 1JFK A 1 134 UNP P38505 CALBP_ENTHI 1 134 SEQADV 1JFK GLU A 131 UNP P38505 UNK 131 CONFLICT SEQRES 1 A 134 MET ALA GLU ALA LEU PHE LYS GLU ILE ASP VAL ASN GLY SEQRES 2 A 134 ASP GLY ALA VAL SER TYR GLU GLU VAL LYS ALA PHE VAL SEQRES 3 A 134 SER LYS LYS ARG ALA ILE LYS ASN GLU GLN LEU LEU GLN SEQRES 4 A 134 LEU ILE PHE LYS SER ILE ASP ALA ASP GLY ASN GLY GLU SEQRES 5 A 134 ILE ASP GLN ASN GLU PHE ALA LYS PHE TYR GLY SER ILE SEQRES 6 A 134 GLN GLY GLN ASP LEU SER ASP ASP LYS ILE GLY LEU LYS SEQRES 7 A 134 VAL LEU TYR LYS LEU MET ASP VAL ASP GLY ASP GLY LYS SEQRES 8 A 134 LEU THR LYS GLU GLU VAL THR SER PHE PHE LYS LYS HIS SEQRES 9 A 134 GLY ILE GLU LYS VAL ALA GLU GLN VAL MET LYS ALA ASP SEQRES 10 A 134 ALA ASN GLY ASP GLY TYR ILE THR LEU GLU GLU PHE LEU SEQRES 11 A 134 GLU PHE SER LEU HET CA A 147 1 HET CA A 159 1 HET CA A 171 1 HET CA A 183 1 HETNAM CA CALCIUM ION FORMUL 2 CA 4(CA 2+) HELIX 1 1 MET A 1 ASP A 10 1 10 HELIX 2 2 TYR A 19 LYS A 28 1 10 HELIX 3 3 LYS A 33 ASP A 46 1 14 HELIX 4 4 GLN A 55 SER A 64 1 10 HELIX 5 5 LEU A 70 ASP A 85 1 16 HELIX 6 6 LYS A 94 LYS A 102 1 9 HELIX 7 7 GLU A 107 ASP A 117 1 11 HELIX 8 8 LEU A 126 LEU A 134 1 9 SHEET 1 A 2 ALA A 16 SER A 18 0 SHEET 2 A 2 GLU A 52 ASP A 54 -1 N ILE A 53 O VAL A 17 SHEET 1 B 2 LYS A 91 THR A 93 0 SHEET 2 B 2 TYR A 123 THR A 125 -1 N ILE A 124 O LEU A 92 LINK CA CA A 147 OD2 ASP A 14 1555 1555 3.04 LINK CA CA A 147 OD1 ASP A 10 1555 1555 2.78 LINK CA CA A 147 OD1 ASN A 12 1555 1555 2.80 LINK CA CA A 147 O ALA A 16 1555 1555 2.79 LINK CA CA A 147 OE1 GLU A 21 1555 1555 2.74 LINK CA CA A 147 OE2 GLU A 21 1555 1555 2.78 LINK CA CA A 159 OD2 ASP A 48 1555 1555 3.40 LINK CA CA A 159 ND2 ASN A 50 1555 1555 3.32 LINK CA CA A 159 OD1 ASP A 46 1555 1555 2.69 LINK CA CA A 159 OD1 ASP A 48 1555 1555 3.16 LINK CA CA A 159 O GLU A 52 1555 1555 2.81 LINK CA CA A 159 OE1 GLU A 57 1555 1555 2.77 LINK CA CA A 159 OE2 GLU A 57 1555 1555 2.81 LINK CA CA A 159 OD1 ASN A 50 1555 1555 2.81 LINK CA CA A 171 OE2 GLU A 96 1555 1555 2.80 LINK CA CA A 171 O LYS A 91 1555 1555 2.79 LINK CA CA A 171 OE1 GLU A 96 1555 1555 2.70 LINK CA CA A 183 OD1 ASN A 119 1555 1555 2.67 LINK CA CA A 183 OE1 GLU A 128 1555 1555 2.72 LINK CA CA A 183 OE2 GLU A 128 1555 1555 2.79 LINK CA CA A 183 OD2 ASP A 121 1555 1555 3.15 LINK CA CA A 183 O TYR A 123 1555 1555 2.69 LINK CA CA A 183 OD2 ASP A 117 1555 1555 3.40 SITE 1 AC1 5 ASP A 10 ASN A 12 ASP A 14 ALA A 16 SITE 2 AC1 5 GLU A 21 SITE 1 AC2 6 ASP A 46 ASP A 48 ASN A 50 GLU A 52 SITE 2 AC2 6 ILE A 53 GLU A 57 SITE 1 AC3 4 ASP A 87 ASP A 89 LYS A 91 GLU A 96 SITE 1 AC4 6 ASP A 117 ASN A 119 ASP A 121 TYR A 123 SITE 2 AC4 6 ILE A 124 GLU A 128 CRYST1 1.000 1.000 1.000 90.00 90.00 90.00 P 1 1 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 1.000000 0.000000 0.000000 0.00000 SCALE2 0.000000 1.000000 0.000000 0.00000 SCALE3 0.000000 0.000000 1.000000 0.00000 MASTER 145 0 4 8 4 0 7 6 0 0 0 11 END