HEADER METAL BINDING PROTEIN 21-JUN-01 1JFK TITLE MINIMUM ENERGY REPRESENTATIVE STRUCTURE OF A CALCIUM BOUND EF-HAND TITLE 2 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, ENTAMOEBA KEYWDS 2 HISTOLYTICA, METAL BINDING PROTEIN EXPDTA SOLUTION NMR AUTHOR H.S.ATREYA,S.C.SAHU,A.BHATTACHARYA,K.V.R.CHARY,G.GOVIL REVDAT 5 23-FEB-22 1JFK 1 REMARK SEQADV LINK 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,G.GOVIL JRNL TITL NMR DERIVED SOLUTION STRUCTURE OF AN EF-HAND CALCIUM-BINDING JRNL TITL 2 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 2 REMARK 2 RESOLUTION. NOT APPLICABLE. REMARK 3 REMARK 3 REFINEMENT. REMARK 3 PROGRAM : DYANA 1.5, DYANA 1.5 REMARK 3 AUTHORS : GUENTERT, MUMENTHALER AND WUTHRICH (DYANA), REMARK 3 GUENTERT, MUMENTHALER AND WUTHRICH (DYANA) REMARK 3 REMARK 3 OTHER REFINEMENT REMARKS: 1265 NOE-DERIVED DISTANCE CONSTRAINTS REMARK 3 AND 200 DIHEDRAL ANGLE CONSTRAINTS REMARK 4 REMARK 4 1JFK COMPLIES WITH FORMAT V. 3.30, 13-JUL-11 REMARK 100 REMARK 100 THIS ENTRY HAS BEEN PROCESSED BY PDBJ ON 26-JUN-01. REMARK 100 THE DEPOSITION ID IS D_1000013711. 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 : 1 ATM REMARK 210 SAMPLE CONTENTS : 3MM EHCABP, 30MM DEUTERATED TRIS REMARK 210 BUFFER, 30MM CACL2; 3MM EHCABP, REMARK 210 30MM DEUTERATED TRIS BUFFER, REMARK 210 30MM CACL2 REMARK 210 REMARK 210 NMR EXPERIMENTS CONDUCTED : 3D_15N-SEPARATED_NOESY; HNHA; 2D REMARK 210 NOESY; 3D_13C-SEPARATED_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 : NULL 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 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: 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 500 REMARK 500 GEOMETRY AND STEREOCHEMISTRY REMARK 500 SUBTOPIC: CLOSE CONTACTS 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 PHE A 42 H ASP A 46 1.49 REMARK 500 O GLU A 107 H ALA A 110 1.55 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 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 10 OD1 REMARK 620 2 ASN A 12 OD1 72.5 REMARK 620 3 ASP A 14 OD2 64.8 80.7 REMARK 620 4 ALA A 16 O 102.8 174.7 95.1 REMARK 620 5 GLU A 21 OE1 123.5 108.1 169.0 76.4 REMARK 620 6 GLU A 21 OE2 88.9 66.6 143.2 116.3 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 46 OD1 REMARK 620 2 ASP A 48 OD2 71.4 REMARK 620 3 ASP A 48 OD1 50.3 39.5 REMARK 620 4 ASN A 50 ND2 103.3 86.0 65.9 REMARK 620 5 ASN A 50 OD1 63.5 86.5 48.5 42.1 REMARK 620 6 GLU A 52 O 104.1 134.9 102.2 50.5 54.6 REMARK 620 7 GLU A 57 OE1 136.0 110.3 149.7 120.8 156.8 103.1 REMARK 620 8 GLU A 57 OE2 88.9 97.6 123.5 167.9 149.3 127.4 47.1 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 LYS A 91 O REMARK 620 2 GLU A 96 OE2 121.9 REMARK 620 3 GLU A 96 OE1 93.2 47.7 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 ASP A 117 OD2 REMARK 620 2 ASN A 119 OD1 75.8 REMARK 620 3 ASP A 121 OD2 72.4 94.6 REMARK 620 4 TYR A 123 O 57.8 127.6 51.2 REMARK 620 5 GLU A 128 OE1 143.9 129.6 121.8 102.9 REMARK 620 6 GLU A 128 OE2 132.7 83.5 152.5 145.9 47.7 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 REMARK 800 SITE_IDENTIFIER: AC2 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE CA A 159 REMARK 800 REMARK 800 SITE_IDENTIFIER: AC3 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE CA A 171 REMARK 800 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 SHOWN REMARK 900 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 OD1 ASP A 10 CA CA A 147 1555 1555 2.78 LINK OD1 ASN A 12 CA CA A 147 1555 1555 2.80 LINK OD2 ASP A 14 CA CA A 147 1555 1555 3.04 LINK O ALA A 16 CA CA A 147 1555 1555 2.79 LINK OE1 GLU A 21 CA CA A 147 1555 1555 2.74 LINK OE2 GLU A 21 CA CA A 147 1555 1555 2.78 LINK OD1 ASP A 46 CA CA A 159 1555 1555 2.69 LINK OD2 ASP A 48 CA CA A 159 1555 1555 3.40 LINK OD1 ASP A 48 CA CA A 159 1555 1555 3.16 LINK ND2 ASN A 50 CA CA A 159 1555 1555 3.32 LINK OD1 ASN A 50 CA CA A 159 1555 1555 2.81 LINK O GLU A 52 CA CA A 159 1555 1555 2.81 LINK OE1 GLU A 57 CA CA A 159 1555 1555 2.77 LINK OE2 GLU A 57 CA CA A 159 1555 1555 2.81 LINK O LYS A 91 CA CA A 171 1555 1555 2.79 LINK OE2 GLU A 96 CA CA A 171 1555 1555 2.80 LINK OE1 GLU A 96 CA CA A 171 1555 1555 2.70 LINK OD2 ASP A 117 CA CA A 183 1555 1555 3.40 LINK OD1 ASN A 119 CA CA A 183 1555 1555 2.67 LINK OD2 ASP A 121 CA CA A 183 1555 1555 3.15 LINK O TYR A 123 CA CA A 183 1555 1555 2.69 LINK OE1 GLU A 128 CA CA A 183 1555 1555 2.72 LINK OE2 GLU A 128 CA CA A 183 1555 1555 2.79 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