HEADER METAL BINDING PROTEIN 02-DEC-08 2KBM TITLE CA-S100A1 INTERACTING WITH TRTK12 CAVEAT 2KBM ARG X 2 HAS WRONG CHIRALITY AT ATOM CA COMPND MOL_ID: 1; COMPND 2 MOLECULE: F-ACTIN-CAPPING PROTEIN SUBUNIT ALPHA-2; COMPND 3 CHAIN: X, Y; COMPND 4 SYNONYM: CAPZ ALPHA-2; COMPND 5 ENGINEERED: YES; COMPND 6 MOL_ID: 2; COMPND 7 MOLECULE: PROTEIN S100-A1; COMPND 8 CHAIN: A, B; COMPND 9 SYNONYM: S100 CALCIUM-BINDING PROTEIN A1, S-100 PROTEIN ALPHA COMPND 10 SUBUNIT, S-100 PROTEIN ALPHA CHAIN; COMPND 11 ENGINEERED: YES SOURCE MOL_ID: 1; SOURCE 2 ORGANISM_SCIENTIFIC: RATTUS NORVEGICUS; SOURCE 3 ORGANISM_COMMON: RAT; SOURCE 4 ORGANISM_TAXID: 10116; SOURCE 5 GENE: CAPZA2; SOURCE 6 EXPRESSION_SYSTEM: ESCHERICHIA COLI; SOURCE 7 EXPRESSION_SYSTEM_TAXID: 562; SOURCE 8 EXPRESSION_SYSTEM_VECTOR: PET21A; SOURCE 9 MOL_ID: 2; SOURCE 10 ORGANISM_SCIENTIFIC: RATTUS NORVEGICUS; SOURCE 11 ORGANISM_COMMON: RAT; SOURCE 12 ORGANISM_TAXID: 10116; SOURCE 13 GENE: S100A1; SOURCE 14 EXPRESSION_SYSTEM: ESCHERICHIA COLI; SOURCE 15 EXPRESSION_SYSTEM_TAXID: 562; SOURCE 16 EXPRESSION_SYSTEM_VECTOR: PET21A KEYWDS S100, EF-HAND, PROTEIN-PROTEIN INTERACTION, CONFORMATIONAL CHANGE, KEYWDS 2 CAPZ, ACETYLATION, ACTIN CAPPING, ACTIN-BINDING, CALCIUM, CYTOPLASM, KEYWDS 3 METAL-BINDING, ZINC, METAL BINDING PROTEIN EXPDTA SOLUTION NMR NUMMDL 20 AUTHOR N.T.WRIGHT,K.M.VARNEY,B.R.CANNON,M.MORGAN,D.J.WEBER REVDAT 3 01-MAY-24 2KBM 1 REMARK LINK REVDAT 2 08-AUG-18 2KBM 1 CAVEAT REMARK LINK REVDAT 1 10-FEB-09 2KBM 0 JRNL AUTH N.T.WRIGHT,M.T.MORGAN,B.R.CANNON,K.M.VARNEY,D.J.WEBER JRNL TITL SOLUTION STRUCTURE OF CA-S100A1-TRTK12 JRNL REF TO BE PUBLISHED JRNL REFN REMARK 2 REMARK 2 RESOLUTION. NOT APPLICABLE. REMARK 3 REMARK 3 REFINEMENT. REMARK 3 PROGRAM : X-PLOR NIH, X-PLOR NIH REMARK 3 AUTHORS : SCHWIETERS, KUSZEWSKI, TJANDRA AND CLORE (X-PLOR REMARK 3 NIH), SCHWIETERS, KUSZEWSKI, TJANDRA AND CLORE (X- REMARK 3 PLOR NIH) REMARK 3 REMARK 3 OTHER REFINEMENT REMARKS: NULL REMARK 4 REMARK 4 2KBM COMPLIES WITH FORMAT V. 3.30, 13-JUL-11 REMARK 100 REMARK 100 THIS ENTRY HAS BEEN PROCESSED BY RCSB ON 08-DEC-08. REMARK 100 THE DEPOSITION ID IS D_1000100918. REMARK 210 REMARK 210 EXPERIMENTAL DETAILS REMARK 210 EXPERIMENT TYPE : NMR REMARK 210 TEMPERATURE (KELVIN) : 310 REMARK 210 PH : 7.2 REMARK 210 IONIC STRENGTH : 0.05 REMARK 210 PRESSURE : AMBIENT REMARK 210 SAMPLE CONTENTS : 10 % D2O-1, 10 MM CALCIUM ION-2, REMARK 210 10 MM DTT-3, 10 MM TRIS-4, 25 MM REMARK 210 SODIUM CHLORIDE-5, 500 UM [U-100% REMARK 210 13C; U-100% 15N] ENTITY_1-6, REMARK 210 1500 UM ENTITY_3-7, 90% H2O/10% REMARK 210 D2O REMARK 210 REMARK 210 NMR EXPERIMENTS CONDUCTED : 2D 1H-15N HSQC; 3D CBCA(CO)NH; REMARK 210 3D HNCACB; 3D C(CO)NH; 3D H(CCO) REMARK 210 NH; 3D HNCO; 3D HNHA; 3D HN(CO) REMARK 210 CA; IPAP-HSQC REMARK 210 SPECTROMETER FIELD STRENGTH : 800 MHZ; 600 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 : SIMULATED ANNEALING, DGSA REMARK 210 -DISTANCE GEOMETRY SIMULATED REMARK 210 ANNEALING REMARK 210 REMARK 210 CONFORMERS, NUMBER CALCULATED : 200 REMARK 210 CONFORMERS, NUMBER SUBMITTED : 20 REMARK 210 CONFORMERS, SELECTION CRITERIA : STRUCTURES WITH THE LEAST REMARK 210 RESTRAINT VIOLATIONS 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: TETRAMERIC REMARK 350 APPLY THE FOLLOWING TO CHAINS: X, Y, 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 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 TRP Y 7 H ILE Y 10 1.50 REMARK 500 O TRP X 7 H ILE X 10 1.54 REMARK 500 O ASP A 35 HG1 THR A 39 1.57 REMARK 500 REMARK 500 REMARK: NULL REMARK 500 REMARK 500 GEOMETRY AND STEREOCHEMISTRY REMARK 500 SUBTOPIC: COVALENT BOND LENGTHS REMARK 500 REMARK 500 THE STEREOCHEMICAL PARAMETERS OF THE FOLLOWING RESIDUES REMARK 500 HAVE VALUES WHICH DEVIATE FROM EXPECTED VALUES BY MORE REMARK 500 THAN 6*RMSD (M=MODEL NUMBER; RES=RESIDUE NAME; C=CHAIN REMARK 500 IDENTIFIER; SSEQ=SEQUENCE NUMBER; I=INSERTION CODE). REMARK 500 REMARK 500 STANDARD TABLE: REMARK 500 FORMAT: (10X,I3,1X,2(A3,1X,A1,I4,A1,1X,A4,3X),1X,F6.3) REMARK 500 REMARK 500 EXPECTED VALUES PROTEIN: ENGH AND HUBER, 1999 REMARK 500 EXPECTED VALUES NUCLEIC ACID: CLOWNEY ET AL 1996 REMARK 500 REMARK 500 M RES CSSEQI ATM1 RES CSSEQI ATM2 DEVIATION REMARK 500 1 SER A 93 CB SER A 93 OG 0.119 REMARK 500 1 SER B 93 CB SER B 93 OG 0.120 REMARK 500 2 SER A 93 CB SER A 93 OG 0.112 REMARK 500 2 SER B 93 CB SER B 93 OG 0.113 REMARK 500 3 LYS X 4 N LYS X 4 CA 0.157 REMARK 500 3 LYS X 4 CA LYS X 4 CB -0.188 REMARK 500 3 SER A 93 CB SER A 93 OG 0.110 REMARK 500 3 SER B 93 CB SER B 93 OG 0.111 REMARK 500 4 SER A 93 CB SER A 93 OG 0.112 REMARK 500 4 SER B 93 CB SER B 93 OG 0.113 REMARK 500 5 SER A 93 CB SER A 93 OG 0.111 REMARK 500 5 SER B 93 CB SER B 93 OG 0.110 REMARK 500 6 SER A 93 CB SER A 93 OG 0.115 REMARK 500 6 SER B 93 CB SER B 93 OG 0.115 REMARK 500 7 SER A 93 CB SER A 93 OG 0.111 REMARK 500 7 SER B 93 CB SER B 93 OG 0.113 REMARK 500 8 SER A 93 CB SER A 93 OG 0.113 REMARK 500 8 SER B 93 CB SER B 93 OG 0.115 REMARK 500 9 ARG X 2 N ARG X 2 CA 0.196 REMARK 500 9 ARG X 2 CA ARG X 2 CB -0.152 REMARK 500 9 ARG X 2 CA ARG X 2 C -0.217 REMARK 500 9 SER A 93 CB SER A 93 OG 0.113 REMARK 500 9 SER B 93 CB SER B 93 OG 0.114 REMARK 500 10 SER A 93 CB SER A 93 OG 0.111 REMARK 500 10 SER B 93 CB SER B 93 OG 0.113 REMARK 500 11 SER A 93 CB SER A 93 OG 0.111 REMARK 500 11 SER B 93 CB SER B 93 OG 0.112 REMARK 500 12 SER A 93 CB SER A 93 OG 0.113 REMARK 500 12 SER B 93 CB SER B 93 OG 0.111 REMARK 500 13 SER A 93 CB SER A 93 OG 0.114 REMARK 500 13 SER B 93 CB SER B 93 OG 0.113 REMARK 500 14 SER A 93 CB SER A 93 OG 0.114 REMARK 500 14 SER B 93 CB SER B 93 OG 0.113 REMARK 500 15 SER A 93 CB SER A 93 OG 0.113 REMARK 500 15 SER B 93 CB SER B 93 OG 0.114 REMARK 500 16 SER A 93 CB SER A 93 OG 0.113 REMARK 500 16 SER B 93 CB SER B 93 OG 0.114 REMARK 500 17 SER A 93 CB SER A 93 OG 0.117 REMARK 500 17 SER B 93 CB SER B 93 OG 0.119 REMARK 500 18 SER A 93 CB SER A 93 OG 0.118 REMARK 500 18 SER B 93 CB SER B 93 OG 0.114 REMARK 500 19 SER A 93 CB SER A 93 OG 0.112 REMARK 500 19 SER B 93 CB SER B 93 OG 0.113 REMARK 500 20 SER A 93 CB SER A 93 OG 0.111 REMARK 500 20 SER B 93 CB SER B 93 OG 0.111 REMARK 500 REMARK 500 REMARK: NULL REMARK 500 REMARK 500 GEOMETRY AND STEREOCHEMISTRY REMARK 500 SUBTOPIC: COVALENT BOND ANGLES REMARK 500 REMARK 500 THE STEREOCHEMICAL PARAMETERS OF THE FOLLOWING RESIDUES REMARK 500 HAVE VALUES WHICH DEVIATE FROM EXPECTED VALUES BY MORE REMARK 500 THAN 6*RMSD (M=MODEL NUMBER; RES=RESIDUE NAME; C=CHAIN REMARK 500 IDENTIFIER; SSEQ=SEQUENCE NUMBER; I=INSERTION CODE). REMARK 500 REMARK 500 STANDARD TABLE: REMARK 500 FORMAT: (10X,I3,1X,A3,1X,A1,I4,A1,3(1X,A4,2X),12X,F5.1) REMARK 500 REMARK 500 EXPECTED VALUES PROTEIN: ENGH AND HUBER, 1999 REMARK 500 EXPECTED VALUES NUCLEIC ACID: CLOWNEY ET AL 1996 REMARK 500 REMARK 500 M RES CSSEQI ATM1 ATM2 ATM3 REMARK 500 3 LYS X 4 CB - CA - C ANGL. DEV. = 21.5 DEGREES REMARK 500 9 ARG X 2 C - N - CA ANGL. DEV. = -18.9 DEGREES REMARK 500 9 ARG X 2 CB - CA - C ANGL. DEV. = 27.4 DEGREES REMARK 500 9 ARG X 2 CA - C - O ANGL. DEV. = -14.2 DEGREES REMARK 500 9 ARG X 2 CA - C - N ANGL. DEV. = 14.4 DEGREES REMARK 500 16 ARG X 2 O - C - N ANGL. DEV. = -10.8 DEGREES 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 1 PHE A 44 -103.87 -87.91 REMARK 500 1 LEU A 45 153.52 -15.42 REMARK 500 1 VAL A 47 -79.69 -128.39 REMARK 500 1 ASP A 62 42.92 -77.49 REMARK 500 1 PHE B 44 -89.70 -89.71 REMARK 500 1 LEU B 45 160.04 -39.68 REMARK 500 1 VAL B 47 -79.11 -128.45 REMARK 500 1 ASP B 62 42.73 -77.28 REMARK 500 2 THR X 3 112.41 -174.08 REMARK 500 2 LYS X 4 106.04 51.91 REMARK 500 2 ASP X 6 19.71 43.44 REMARK 500 2 LYS A 21 -65.15 -124.22 REMARK 500 2 GLU A 22 20.70 -69.90 REMARK 500 2 ASP A 24 152.34 -39.29 REMARK 500 2 PHE A 44 -106.18 -83.83 REMARK 500 2 LEU A 45 127.65 -9.69 REMARK 500 2 VAL A 47 -40.19 -148.76 REMARK 500 2 ASP A 66 -117.36 -93.71 REMARK 500 2 LYS B 21 -65.54 -124.05 REMARK 500 2 GLU B 22 20.72 -69.94 REMARK 500 2 ASP B 24 152.31 -39.57 REMARK 500 2 PHE B 44 -92.29 -84.53 REMARK 500 2 LEU B 45 134.86 -33.52 REMARK 500 2 VAL B 47 -39.97 -148.66 REMARK 500 2 ASP B 66 -117.31 -93.97 REMARK 500 3 THR X 3 -160.45 54.03 REMARK 500 3 LYS X 4 109.45 78.61 REMARK 500 3 ASP X 6 18.37 47.35 REMARK 500 3 THR Y 3 43.20 -143.76 REMARK 500 3 ILE Y 5 97.08 34.69 REMARK 500 3 PHE A 44 -105.15 -95.14 REMARK 500 3 LEU A 45 154.07 -13.54 REMARK 500 3 VAL A 47 -83.74 -145.00 REMARK 500 3 ASP A 62 43.54 -73.12 REMARK 500 3 PHE B 44 -92.11 -96.42 REMARK 500 3 LEU B 45 160.03 -37.84 REMARK 500 3 VAL B 47 -83.45 -144.91 REMARK 500 3 ASP B 62 43.56 -73.30 REMARK 500 4 ARG X 2 -143.19 50.03 REMARK 500 4 ILE X 5 115.16 -161.26 REMARK 500 4 PHE A 44 -105.86 -84.07 REMARK 500 4 LEU A 45 153.50 -16.33 REMARK 500 4 VAL A 47 -61.82 -148.18 REMARK 500 4 ASP A 62 43.35 -77.96 REMARK 500 4 PHE B 44 -92.37 -85.64 REMARK 500 4 LEU B 45 160.08 -39.93 REMARK 500 4 VAL B 47 -61.54 -148.14 REMARK 500 4 ASP B 62 43.11 -77.98 REMARK 500 5 THR X 3 -142.19 -166.31 REMARK 500 5 LYS X 4 -165.14 38.98 REMARK 500 REMARK 500 THIS ENTRY HAS 296 RAMACHANDRAN OUTLIERS. REMARK 500 REMARK 500 REMARK: NULL REMARK 500 REMARK 500 GEOMETRY AND STEREOCHEMISTRY REMARK 500 SUBTOPIC: MAIN CHAIN PLANARITY REMARK 500 REMARK 500 THE FOLLOWING RESIDUES HAVE A PSEUDO PLANARITY REMARK 500 TORSION ANGLE, C(I) - CA(I) - N(I+1) - O(I), GREATER REMARK 500 10.0 DEGREES. (M=MODEL NUMBER; RES=RESIDUE NAME; REMARK 500 C=CHAIN IDENTIFIER; SSEQ=SEQUENCE NUMBER; REMARK 500 I=INSERTION CODE). REMARK 500 REMARK 500 M RES CSSEQI ANGLE REMARK 500 16 ARG X 2 -17.12 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 100 CA REMARK 620 N RES CSSEQI ATOM REMARK 620 1 SER A 19 O REMARK 620 2 ASP A 24 N 102.2 REMARK 620 3 ASP A 24 O 52.3 64.0 REMARK 620 4 LYS A 27 O 102.4 95.4 72.3 REMARK 620 5 GLU A 32 OE2 82.1 116.5 130.1 146.4 REMARK 620 6 GLU A 32 OE1 104.8 145.1 150.8 99.9 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 102 CA REMARK 620 N RES CSSEQI ATOM REMARK 620 1 LEU A 61 O REMARK 620 2 ASP A 62 OD2 92.4 REMARK 620 3 ASP A 62 OD1 96.0 9.1 REMARK 620 4 ASP A 66 OD1 142.0 93.4 95.6 REMARK 620 5 GLU A 68 O 148.4 97.8 90.5 67.3 REMARK 620 6 GLU A 73 OE2 66.2 157.8 162.1 100.0 103.7 REMARK 620 7 GLU A 73 OE1 59.5 128.3 123.6 136.1 91.3 46.5 REMARK 620 N 1 2 3 4 5 6 REMARK 620 REMARK 620 COORDINATION ANGLES FOR: M RES CSSEQI METAL REMARK 620 CA B 101 CA REMARK 620 N RES CSSEQI ATOM REMARK 620 1 SER B 19 O REMARK 620 2 ASP B 24 N 100.6 REMARK 620 3 ASP B 24 O 50.7 67.9 REMARK 620 4 LYS B 27 O 101.7 109.2 77.4 REMARK 620 5 GLU B 32 OE2 72.5 111.1 119.7 139.7 REMARK 620 6 GLU B 32 OE1 92.1 144.0 140.1 100.9 41.5 REMARK 620 N 1 2 3 4 5 REMARK 620 REMARK 620 COORDINATION ANGLES FOR: M RES CSSEQI METAL REMARK 620 CA B 103 CA REMARK 620 N RES CSSEQI ATOM REMARK 620 1 LEU B 61 O REMARK 620 2 ASP B 62 OD2 95.3 REMARK 620 3 ASP B 62 OD1 100.2 9.9 REMARK 620 4 ASP B 66 OD1 144.8 93.0 93.6 REMARK 620 5 GLU B 68 O 148.1 96.4 87.8 63.9 REMARK 620 6 GLU B 73 OE2 68.1 162.6 167.9 97.9 100.5 REMARK 620 7 GLU B 73 OE1 61.9 130.8 125.8 131.5 88.2 46.7 REMARK 620 N 1 2 3 4 5 6 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 100 REMARK 800 REMARK 800 SITE_IDENTIFIER: AC2 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE CA B 101 REMARK 800 REMARK 800 SITE_IDENTIFIER: AC3 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE CA A 102 REMARK 800 REMARK 800 SITE_IDENTIFIER: AC4 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE CA B 103 REMARK 900 REMARK 900 RELATED ENTRIES REMARK 900 RELATED ID: 2K2F RELATED DB: PDB REMARK 900 RELATED ID: 1ZFS RELATED DB: PDB REMARK 900 RELATED ID: 16050 RELATED DB: BMRB DBREF 2KBM X 1 12 UNP Q3T1K5 CAZA2_RAT 265 276 DBREF 2KBM Y 1 12 UNP Q3T1K5 CAZA2_RAT 265 276 DBREF 2KBM A 1 93 UNP P35467 S10A1_RAT 2 94 DBREF 2KBM B 1 93 UNP P35467 S10A1_RAT 2 94 SEQRES 1 X 12 THR ARG THR LYS ILE ASP TRP ASN LYS ILE LEU SER SEQRES 1 Y 12 THR ARG THR LYS ILE ASP TRP ASN LYS ILE LEU SER SEQRES 1 A 93 GLY SER GLU LEU GLU THR ALA MET GLU THR LEU ILE ASN SEQRES 2 A 93 VAL PHE HIS ALA HIS SER GLY LYS GLU GLY ASP LYS TYR SEQRES 3 A 93 LYS LEU SER LYS LYS GLU LEU LYS ASP LEU LEU GLN THR SEQRES 4 A 93 GLU LEU SER SER PHE LEU ASP VAL GLN LYS ASP ALA ASP SEQRES 5 A 93 ALA VAL ASP LYS ILE MET LYS GLU LEU ASP GLU ASN GLY SEQRES 6 A 93 ASP GLY GLU VAL ASP PHE GLN GLU PHE VAL VAL LEU VAL SEQRES 7 A 93 ALA ALA LEU THR VAL ALA CYS ASN ASN PHE PHE TRP GLU SEQRES 8 A 93 ASN SER SEQRES 1 B 93 GLY SER GLU LEU GLU THR ALA MET GLU THR LEU ILE ASN SEQRES 2 B 93 VAL PHE HIS ALA HIS SER GLY LYS GLU GLY ASP LYS TYR SEQRES 3 B 93 LYS LEU SER LYS LYS GLU LEU LYS ASP LEU LEU GLN THR SEQRES 4 B 93 GLU LEU SER SER PHE LEU ASP VAL GLN LYS ASP ALA ASP SEQRES 5 B 93 ALA VAL ASP LYS ILE MET LYS GLU LEU ASP GLU ASN GLY SEQRES 6 B 93 ASP GLY GLU VAL ASP PHE GLN GLU PHE VAL VAL LEU VAL SEQRES 7 B 93 ALA ALA LEU THR VAL ALA CYS ASN ASN PHE PHE TRP GLU SEQRES 8 B 93 ASN SER HET CA A 100 1 HET CA A 102 1 HET CA B 101 1 HET CA B 103 1 HETNAM CA CALCIUM ION FORMUL 5 CA 4(CA 2+) HELIX 1 1 ASP X 6 SER X 12 1 7 HELIX 2 2 ASP Y 6 SER Y 12 1 7 HELIX 3 3 SER A 2 GLY A 20 1 19 HELIX 4 4 LYS A 30 SER A 42 1 13 HELIX 5 5 VAL A 47 LYS A 49 5 3 HELIX 6 6 ASP A 50 ASP A 62 1 13 HELIX 7 7 ASP A 70 TRP A 90 1 21 HELIX 8 8 SER B 2 GLY B 20 1 19 HELIX 9 9 LYS B 30 SER B 42 1 13 HELIX 10 10 VAL B 47 LYS B 49 5 3 HELIX 11 11 ASP B 50 ASP B 62 1 13 HELIX 12 12 ASP B 70 TRP B 90 1 21 SHEET 1 A 2 LEU A 28 SER A 29 0 SHEET 2 A 2 GLU A 68 VAL A 69 -1 O VAL A 69 N LEU A 28 SHEET 1 B 2 LEU B 28 SER B 29 0 SHEET 2 B 2 GLU B 68 VAL B 69 -1 O VAL B 69 N LEU B 28 LINK O SER A 19 CA CA A 100 1555 1555 2.55 LINK N ASP A 24 CA CA A 100 1555 1555 2.44 LINK O ASP A 24 CA CA A 100 1555 1555 2.80 LINK O LYS A 27 CA CA A 100 1555 1555 2.43 LINK OE2 GLU A 32 CA CA A 100 1555 1555 2.90 LINK OE1 GLU A 32 CA CA A 100 1555 1555 2.15 LINK O LEU A 61 CA CA A 102 1555 1555 2.58 LINK OD2 ASP A 62 CA CA A 102 1555 1555 4.97 LINK OD1 ASP A 62 CA CA A 102 1555 1555 2.90 LINK OD1 ASP A 66 CA CA A 102 1555 1555 2.77 LINK O GLU A 68 CA CA A 102 1555 1555 2.39 LINK OE2 GLU A 73 CA CA A 102 1555 1555 2.89 LINK OE1 GLU A 73 CA CA A 102 1555 1555 2.48 LINK O SER B 19 CA CA B 101 1555 1555 2.80 LINK N ASP B 24 CA CA B 101 1555 1555 2.23 LINK O ASP B 24 CA CA B 101 1555 1555 2.72 LINK O LYS B 27 CA CA B 101 1555 1555 2.19 LINK OE2 GLU B 32 CA CA B 101 1555 1555 3.25 LINK OE1 GLU B 32 CA CA B 101 1555 1555 2.37 LINK O LEU B 61 CA CA B 103 1555 1555 2.43 LINK OD2 ASP B 62 CA CA B 103 1555 1555 4.94 LINK OD1 ASP B 62 CA CA B 103 1555 1555 2.88 LINK OD1 ASP B 66 CA CA B 103 1555 1555 2.88 LINK O GLU B 68 CA CA B 103 1555 1555 2.55 LINK OE2 GLU B 73 CA CA B 103 1555 1555 2.88 LINK OE1 GLU B 73 CA CA B 103 1555 1555 2.46 SITE 1 AC1 6 HIS A 18 SER A 19 GLU A 22 GLY A 23 SITE 2 AC1 6 ASP A 24 LEU A 28 SITE 1 AC2 3 SER B 19 GLU B 22 LYS B 27 SITE 1 AC3 4 LYS A 27 LEU A 61 ASP A 62 GLU A 63 SITE 1 AC4 3 ASP B 62 GLU B 63 ASN B 64 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