HEADER METAL BINDING PROTEIN 23-APR-11 2LC5 TITLE CALMODULIN-LIKE PROTEIN FROM ENTAMOEBA HISTOLYTICA: SOLUTION STRUCTURE TITLE 2 AND CALCIUM-BINDING PROPERTIES OF A PARTIALLY FOLDED PROTEIN COMPND MOL_ID: 1; COMPND 2 MOLECULE: CALMODULIN, PUTATIVE; COMPND 3 CHAIN: A; COMPND 4 FRAGMENT: UNP RESIDUES 1-85; COMPND 5 ENGINEERED: YES SOURCE MOL_ID: 1; SOURCE 2 ORGANISM_SCIENTIFIC: ENTAMOEBA HISTOLYTICA; SOURCE 3 ORGANISM_TAXID: 294381; SOURCE 4 STRAIN: HM-1:IMSS; SOURCE 5 GENE: EHI_100270; SOURCE 6 EXPRESSION_SYSTEM: ESCHERICHIA COLI; SOURCE 7 EXPRESSION_SYSTEM_TAXID: 562; SOURCE 8 EXPRESSION_SYSTEM_VECTOR_TYPE: VECTOR; SOURCE 9 EXPRESSION_SYSTEM_VECTOR: PET30A KEYWDS EHCAM, CA-BINDING PROTEIN, ENTAMOEBA HISTOLYTICA, PARTIALLY KEYWDS 2 STRUCTURED PROTEIN, CAM-LIKE, METAL BINDING PROTEIN EXPDTA SOLUTION NMR NUMMDL 20 AUTHOR A.K.ROUT,N.PADHAN,R.P.BARNWAL,A.BHATTACHARYA,K.V.CHARY REVDAT 3 01-MAY-24 2LC5 1 REMARK LINK REVDAT 2 27-APR-16 2LC5 1 SEQRES VERSN REVDAT 1 08-JUN-11 2LC5 0 SPRSDE 08-JUN-11 2LC5 2KTG JRNL AUTH A.K.ROUT,N.PADHAN,R.P.BARNWAL,A.BHATTACHARYA,K.V.CHARY JRNL TITL CALMODULIN LIKE PROTEIN FROM ENTAMOEBA HISTOLYTICA: SOLUTION JRNL TITL 2 STRUCTURE AND CALCIUM BINDING PROPERTIES OF A PARTIALLY JRNL TITL 3 FOLDED PROTEIN. JRNL REF BIOCHEMISTRY V. 50 181 2010 JRNL REFN ISSN 0006-2960 JRNL PMID 21114322 JRNL DOI 10.1021/BI101411Q REMARK 2 REMARK 2 RESOLUTION. NOT APPLICABLE. REMARK 3 REMARK 3 REFINEMENT. REMARK 3 PROGRAM : TALOS, CYANA_3.0 BETA REMARK 3 AUTHORS : CORNILESCU, DELAGLIO AND BAX (TALOS), GUNTERT, REMARK 3 MUMENTHALER AND WUTHRICH (CYANA_3.0) REMARK 3 REMARK 3 OTHER REFINEMENT REMARKS: NULL REMARK 4 REMARK 4 2LC5 COMPLIES WITH FORMAT V. 3.30, 13-JUL-11 REMARK 100 REMARK 100 THIS ENTRY HAS BEEN PROCESSED BY PDBJ ON 28-APR-11. REMARK 100 THE DEPOSITION ID IS D_1000102215. REMARK 210 REMARK 210 EXPERIMENTAL DETAILS REMARK 210 EXPERIMENT TYPE : NMR REMARK 210 TEMPERATURE (KELVIN) : 303 REMARK 210 PH : 7.0 REMARK 210 IONIC STRENGTH : NULL REMARK 210 PRESSURE : AMBIENT REMARK 210 SAMPLE CONTENTS : 1.1 MM [U-100% 15N] PROTEIN-1, REMARK 210 90% H2O/10% D2O; 1.1 MM [U-100% REMARK 210 13C] PROTEIN-2, 100% D2O; 1.1 MM REMARK 210 [U-100% 13C; U-100% 15N] PROTEIN- REMARK 210 3, 90% H2O/10% D2O REMARK 210 REMARK 210 NMR EXPERIMENTS CONDUCTED : 2D 1H-15N HSQC; 3D CBCA(CO)NH; REMARK 210 3D HNCO; 3D HNCA; 3D HNCACB; 3D REMARK 210 HN(CO)CA; 3D 1H-15N NOESY; 3D 1 REMARK 210 15N TOCSY; 3D 1H-13C NOESY REMARK 210 SPECTROMETER FIELD STRENGTH : 800 MHZ REMARK 210 SPECTROMETER MODEL : AVANCE REMARK 210 SPECTROMETER MANUFACTURER : BRUKER REMARK 210 REMARK 210 STRUCTURE DETERMINATION. REMARK 210 SOFTWARE USED : NULL REMARK 210 METHOD USED : DGSA-DISTANCE GEOMETRY SIMULATED REMARK 210 ANNEALING, DISTANCE GEOMETRY, REMARK 210 SIMULATED ANNEALING REMARK 210 REMARK 210 CONFORMERS, NUMBER CALCULATED : 100 REMARK 210 CONFORMERS, NUMBER SUBMITTED : 20 REMARK 210 CONFORMERS, SELECTION CRITERIA : STRUCTURES WITH THE LOWEST ENER REMARK 210 REMARK 210 BEST REPRESENTATIVE CONFORMER IN THIS ENSEMBLE : 1 REMARK 210 REMARK 210 REMARK: NULL 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 465 REMARK 465 MISSING RESIDUES REMARK 465 THE FOLLOWING RESIDUES WERE NOT LOCATED IN THE REMARK 465 EXPERIMENT. (RES=RESIDUE NAME; C=CHAIN IDENTIFIER; REMARK 465 SSSEQ=SEQUENCE NUMBER; I=INSERTION CODE.) REMARK 465 MODELS 1-20 REMARK 465 RES C SSSEQI REMARK 465 THR A 86 REMARK 465 GLU A 87 REMARK 465 ASP A 88 REMARK 465 ILE A 89 REMARK 465 LYS A 90 REMARK 465 LYS A 91 REMARK 465 ALA A 92 REMARK 465 PHE A 93 REMARK 465 GLU A 94 REMARK 465 ILE A 95 REMARK 465 PHE A 96 REMARK 465 ASP A 97 REMARK 465 LYS A 98 REMARK 465 GLU A 99 REMARK 465 LYS A 100 REMARK 465 ASN A 101 REMARK 465 GLY A 102 REMARK 465 TYR A 103 REMARK 465 ILE A 104 REMARK 465 SER A 105 REMARK 465 ALA A 106 REMARK 465 SER A 107 REMARK 465 GLU A 108 REMARK 465 LEU A 109 REMARK 465 LYS A 110 REMARK 465 HIS A 111 REMARK 465 VAL A 112 REMARK 465 LEU A 113 REMARK 465 THR A 114 REMARK 465 THR A 115 REMARK 465 LEU A 116 REMARK 465 GLY A 117 REMARK 465 GLU A 118 REMARK 465 LYS A 119 REMARK 465 LEU A 120 REMARK 465 THR A 121 REMARK 465 GLU A 122 REMARK 465 GLN A 123 REMARK 465 GLU A 124 REMARK 465 VAL A 125 REMARK 465 ASP A 126 REMARK 465 ASP A 127 REMARK 465 LEU A 128 REMARK 465 LEU A 129 REMARK 465 LYS A 130 REMARK 465 GLU A 131 REMARK 465 ILE A 132 REMARK 465 GLY A 133 REMARK 465 VAL A 134 REMARK 465 GLU A 135 REMARK 465 GLU A 136 REMARK 465 GLY A 137 REMARK 465 LEU A 138 REMARK 465 ILE A 139 REMARK 465 ASN A 140 REMARK 465 VAL A 141 REMARK 465 ASP A 142 REMARK 465 ASP A 143 REMARK 465 PHE A 144 REMARK 465 VAL A 145 REMARK 465 LYS A 146 REMARK 465 LEU A 147 REMARK 465 ILE A 148 REMARK 465 THR A 149 REMARK 465 SER A 150 REMARK 465 LYS A 151 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 1 ALA A 45 -75.93 -136.17 REMARK 500 1 ASN A 46 68.36 -175.90 REMARK 500 1 ASN A 63 -74.54 -139.34 REMARK 500 1 SER A 64 -169.17 -176.79 REMARK 500 1 GLN A 81 -35.14 -178.75 REMARK 500 1 GLU A 82 -75.18 69.66 REMARK 500 2 ASP A 24 68.59 -115.84 REMARK 500 2 ALA A 45 -75.80 -138.87 REMARK 500 2 ASN A 46 68.13 -175.71 REMARK 500 2 PRO A 47 -170.92 -69.78 REMARK 500 2 ASN A 63 -74.93 -142.29 REMARK 500 2 SER A 64 -169.14 -179.55 REMARK 500 2 GLN A 81 -74.79 -74.46 REMARK 500 3 ASP A 24 75.89 -117.29 REMARK 500 3 ASP A 26 -169.63 -70.59 REMARK 500 3 ALA A 45 83.27 63.97 REMARK 500 3 ASN A 46 -60.96 179.69 REMARK 500 3 PRO A 47 -170.81 -69.85 REMARK 500 3 ASP A 60 64.46 -104.34 REMARK 500 3 ASN A 63 -74.50 -149.45 REMARK 500 3 SER A 64 -169.32 -178.68 REMARK 500 4 LEU A 8 74.22 -170.76 REMARK 500 4 PRO A 47 -170.85 -69.69 REMARK 500 4 ASP A 60 54.48 -99.39 REMARK 500 4 ASN A 63 -69.41 -152.37 REMARK 500 4 SER A 64 -169.28 -179.33 REMARK 500 4 GLU A 82 -177.26 58.92 REMARK 500 5 SER A 2 -55.37 -167.00 REMARK 500 5 LYS A 6 48.86 -103.44 REMARK 500 5 ASP A 24 68.06 -117.38 REMARK 500 5 ASP A 26 -168.98 -70.38 REMARK 500 5 ALA A 45 32.04 -98.27 REMARK 500 5 PRO A 47 -174.09 -69.72 REMARK 500 5 ASP A 60 69.99 -104.27 REMARK 500 5 ASN A 63 -71.36 -148.79 REMARK 500 5 SER A 64 -169.42 -178.81 REMARK 500 5 GLN A 81 -74.87 -91.65 REMARK 500 5 GLU A 82 -179.89 -176.85 REMARK 500 6 SER A 2 119.25 -166.87 REMARK 500 6 GLU A 3 -63.87 -124.49 REMARK 500 6 ASP A 26 -169.67 -73.82 REMARK 500 6 PRO A 47 -170.76 -69.75 REMARK 500 6 ASN A 63 -74.50 -142.06 REMARK 500 6 SER A 64 -169.19 -178.58 REMARK 500 6 VAL A 83 151.99 65.18 REMARK 500 7 SER A 2 -70.63 -153.11 REMARK 500 7 ASP A 26 -169.62 -75.48 REMARK 500 7 ASN A 46 -61.06 179.78 REMARK 500 7 ASP A 60 50.41 -97.27 REMARK 500 7 ASN A 63 -72.48 -141.03 REMARK 500 REMARK 500 THIS ENTRY HAS 146 RAMACHANDRAN OUTLIERS. 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 250 CA REMARK 620 N RES CSSEQI ATOM REMARK 620 1 ASP A 24 OD1 REMARK 620 2 ASP A 26 OD2 103.6 REMARK 620 3 ASP A 26 OD1 55.9 47.8 REMARK 620 N 1 2 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 250 REMARK 800 REMARK 800 SITE_IDENTIFIER: AC2 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE CA A 300 REMARK 900 REMARK 900 RELATED ENTRIES REMARK 900 RELATED ID: 15663 RELATED DB: BMRB DBREF 2LC5 A 1 151 UNP C4M0U8 C4M0U8_ENTHI 1 151 SEQRES 1 A 151 MET SER GLU GLN LYS LYS VAL LEU THR ALA GLU GLU GLN SEQRES 2 A 151 GLN GLU TYR LYS GLU ALA PHE GLN LEU PHE ASP LYS ASP SEQRES 3 A 151 ASN ASP ASN LYS LEU THR ALA GLU GLU LEU GLY THR VAL SEQRES 4 A 151 MET ARG ALA LEU GLY ALA ASN PRO THR LYS GLN LYS ILE SEQRES 5 A 151 SER GLU ILE VAL LYS ASP TYR ASP LYS ASP ASN SER GLY SEQRES 6 A 151 LYS PHE ASP GLN GLU THR PHE LEU THR ILE MET LEU GLU SEQRES 7 A 151 TYR GLY GLN GLU VAL ASP SER THR GLU ASP ILE LYS LYS SEQRES 8 A 151 ALA PHE GLU ILE PHE ASP LYS GLU LYS ASN GLY TYR ILE SEQRES 9 A 151 SER ALA SER GLU LEU LYS HIS VAL LEU THR THR LEU GLY SEQRES 10 A 151 GLU LYS LEU THR GLU GLN GLU VAL ASP ASP LEU LEU LYS SEQRES 11 A 151 GLU ILE GLY VAL GLU GLU GLY LEU ILE ASN VAL ASP ASP SEQRES 12 A 151 PHE VAL LYS LEU ILE THR SER LYS HET CA A 250 1 HET CA A 300 1 HETNAM CA CALCIUM ION FORMUL 2 CA 2(CA 2+) HELIX 1 1 THR A 9 PHE A 23 1 15 HELIX 2 2 ALA A 33 ALA A 42 1 10 HELIX 3 3 THR A 48 ASP A 60 1 13 HELIX 4 4 GLN A 69 GLY A 80 1 12 SHEET 1 A 2 LYS A 30 THR A 32 0 SHEET 2 A 2 LYS A 66 ASP A 68 -1 O PHE A 67 N LEU A 31 LINK OD1 ASP A 24 CA CA A 250 1555 1555 2.53 LINK OD2 ASP A 26 CA CA A 250 1555 1555 2.12 LINK OD1 ASP A 26 CA CA A 250 1555 1555 2.96 SITE 1 AC1 4 ASP A 24 ASP A 26 LYS A 30 GLU A 35 SITE 1 AC2 2 ASP A 60 ASN A 63 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 MODEL 1