HEADER METAL BINDING PROTEIN/EXOCYTOSIS 19-JAN-09 2KDU TITLE STRUCTURAL BASIS OF THE MUNC13-1/CA2+-CALMODULIN INTERACTION: A NOVEL TITLE 2 1-26 CALMODULIN BINDING MOTIF WITH A BIPARTITE BINDING MODE COMPND MOL_ID: 1; COMPND 2 MOLECULE: CALMODULIN; COMPND 3 CHAIN: A; COMPND 4 SYNONYM: CAM; COMPND 5 ENGINEERED: YES; COMPND 6 MOL_ID: 2; COMPND 7 MOLECULE: PROTEIN UNC-13 HOMOLOG A; COMPND 8 CHAIN: B; COMPND 9 FRAGMENT: UNP RESIDUES 458-492, CALMODULIN BINDING DOMAIN; COMPND 10 SYNONYM: MUNC13-1; COMPND 11 ENGINEERED: YES SOURCE MOL_ID: 1; SOURCE 2 ORGANISM_SCIENTIFIC: XENOPUS LAEVIS; SOURCE 3 ORGANISM_COMMON: CLAWED FROG,COMMON PLATANNA,PLATANNA; SOURCE 4 ORGANISM_TAXID: 8355; SOURCE 5 GENE: CALM1, CALM2; SOURCE 6 EXPRESSION_SYSTEM: ESCHERICHIA COLI; SOURCE 7 EXPRESSION_SYSTEM_TAXID: 562; SOURCE 8 EXPRESSION_SYSTEM_STRAIN: BL21(DE3); SOURCE 9 EXPRESSION_SYSTEM_VECTOR: PET28A; SOURCE 10 MOL_ID: 2; SOURCE 11 SYNTHETIC: YES KEYWDS PROTEIN, CALMODULIN, MUNC13, CALCIUM, ACETYLATION, METHYLATION, KEYWDS 2 ALTERNATIVE SPLICING, CELL JUNCTION, CELL MEMBRANE, COILED COIL, KEYWDS 3 CYTOPLASM, EXOCYTOSIS, MEMBRANE, METAL-BINDING, PHORBOL-ESTER KEYWDS 4 BINDING, PHOSPHOPROTEIN, SYNAPSE, ZINC, ZINC-FINGER, METAL BINDING KEYWDS 5 PROTEIN-PROTEIN BINDING COMPLEX, METAL BINDING PROTEIN-EXOCYTOSIS KEYWDS 6 COMPLEX EXPDTA SOLUTION NMR NUMMDL 20 AUTHOR F.A.RODRIGUEZ-CASTANEDA,M.MAESTRE-MARTINEZ,N.COUDEVYLLE,K.DIMOVA, AUTHOR 2 O.JAHN,H.JUNGE,S.BECKER,N.BROSE,T.CARLOMAGNO,C.GRIESINGER REVDAT 4 22-MAY-24 2KDU 1 REMARK REVDAT 3 16-MAR-22 2KDU 1 REMARK SEQADV LINK REVDAT 2 23-FEB-10 2KDU 1 JRNL REVDAT 1 15-DEC-09 2KDU 0 JRNL AUTH F.RODRIGUEZ-CASTANEDA,M.MAESTRE-MARTINEZ,N.COUDEVYLLE, JRNL AUTH 2 K.DIMOVA,H.JUNGE,N.LIPSTEIN,D.LEE,S.BECKER,N.BROSE,O.JAHN, JRNL AUTH 3 T.CARLOMAGNO,C.GRIESINGER JRNL TITL MODULAR ARCHITECTURE OF MUNC13/CALMODULIN COMPLEXES: DUAL JRNL TITL 2 REGULATION BY CA2+ AND POSSIBLE FUNCTION IN SHORT-TERM JRNL TITL 3 SYNAPTIC PLASTICITY. JRNL REF EMBO J. V. 29 680 2010 JRNL REFN ISSN 0261-4189 JRNL PMID 20010694 JRNL DOI 10.1038/EMBOJ.2009.373 REMARK 2 REMARK 2 RESOLUTION. NOT APPLICABLE. REMARK 3 REMARK 3 REFINEMENT. REMARK 3 PROGRAM : NMRPIPE, X-PLOR NIH REMARK 3 AUTHORS : DELAGLIO, GRZESIEK, VUISTER, ZHU, PFEIFER AND BAX REMARK 3 (NMRPIPE), SCHWIETERS, KUSZEWSKI, TJANDRA AND REMARK 3 CLORE (X-PLOR NIH) REMARK 3 REMARK 3 OTHER REFINEMENT REMARKS: RESIDUAL DIPOLAR COUPLINGS REFINEMENT REMARK 3 PROTOCOL REMARK 4 REMARK 4 2KDU COMPLIES WITH FORMAT V. 3.30, 13-JUL-11 REMARK 100 REMARK 100 THIS ENTRY HAS BEEN PROCESSED BY RCSB ON 30-JAN-09. REMARK 100 THE DEPOSITION ID IS D_1000100997. REMARK 210 REMARK 210 EXPERIMENTAL DETAILS REMARK 210 EXPERIMENT TYPE : NMR REMARK 210 TEMPERATURE (KELVIN) : 308 REMARK 210 PH : 6.8 REMARK 210 IONIC STRENGTH : NULL REMARK 210 PRESSURE : NULL REMARK 210 SAMPLE CONTENTS : 10 MM CALCIUM, 1.5 MM [U-99% REMARK 210 13C; U-99% 15N] CALMODULIN, 1.8 REMARK 210 MM MUNC13-1, 150 MM POTASSIUM REMARK 210 CHLORIDE, 20 MM BIS-TRIS, 90% REMARK 210 H2O/10% D2O; 10 MM CALCIUM, 0.5 REMARK 210 MM [U-99% 13C; U-99% 15N] MUNC13- REMARK 210 1, 0.6 MM CALMODULIN, 150 MM REMARK 210 POTASSIUM CHLORIDE, 20 MM BIS- REMARK 210 TRIS, 90% H2O/10% D2O; 10 MM REMARK 210 CALCIUM, 1.5 MM [U-99% 13C; U-99% REMARK 210 15N] CALMODULIN, 1.8 MM MUNC13, REMARK 210 150 MM POTASSIUM CHLORIDE, 20 MM REMARK 210 BIS-TRIS, 100% D2O REMARK 210 REMARK 210 NMR EXPERIMENTS CONDUCTED : 3D CBCA(CO)NH; 3D HNCACB; 3D REMARK 210 HNCO; 3D HN(CA)CO; 3D 1H-15N REMARK 210 NOESY; 3D H(CCO)NH; 2D 1H-13C REMARK 210 HSQC; 3D 1H-13C NOESY; 3D HCCH- REMARK 210 TOCSY; 2D 1H-15N HSQC; 3D C(CO) REMARK 210 NH; 2D (IPAP)1H-15N HSQC REMARK 210 SPECTROMETER FIELD STRENGTH : 600 MHZ; 700 MHZ; 900 MHZ; 800 REMARK 210 MHZ REMARK 210 SPECTROMETER MODEL : DRX; AVANCE; DMX REMARK 210 SPECTROMETER MANUFACTURER : BRUKER REMARK 210 REMARK 210 STRUCTURE DETERMINATION. REMARK 210 SOFTWARE USED : CYANA, TALOS, FELIX, SPARKY, REMARK 210 CANDID REMARK 210 METHOD USED : 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 REMARK 210 ENERGY 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: DIMERIC REMARK 350 APPLY THE FOLLOWING TO CHAINS: 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 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 ASP A 58 -45.13 80.68 REMARK 500 1 ASP A 78 -75.25 -94.79 REMARK 500 1 LYS A 94 -35.14 -38.69 REMARK 500 1 ASP A 95 -39.92 -23.26 REMARK 500 1 LEU A 112 -157.90 -101.41 REMARK 500 1 GLU A 114 125.67 21.62 REMARK 500 1 ASP A 129 81.56 -62.96 REMARK 500 1 ALA B 467 -73.47 -69.69 REMARK 500 1 SER B 487 -159.96 47.04 REMARK 500 1 LEU B 488 -168.21 -57.53 REMARK 500 1 TRP B 489 -61.82 65.18 REMARK 500 2 GLN A 3 83.63 53.82 REMARK 500 2 LEU A 4 152.78 59.16 REMARK 500 2 GLN A 41 104.49 -53.48 REMARK 500 2 ASN A 60 -2.15 67.19 REMARK 500 2 MET A 76 -172.62 -58.29 REMARK 500 2 THR A 79 87.98 53.63 REMARK 500 2 LYS A 94 -35.05 -38.67 REMARK 500 2 ASP A 95 -43.72 -24.96 REMARK 500 2 LEU A 112 -162.58 -106.84 REMARK 500 2 GLU A 114 79.89 44.48 REMARK 500 2 ASP A 129 69.58 -64.53 REMARK 500 2 ALA B 467 -74.25 -66.92 REMARK 500 2 LEU B 488 -28.93 -177.43 REMARK 500 3 LEU A 4 166.09 54.15 REMARK 500 3 GLN A 41 -52.90 -170.53 REMARK 500 3 ALA A 57 -69.38 -95.45 REMARK 500 3 MET A 76 -178.77 -55.53 REMARK 500 3 GLU A 82 -69.05 61.18 REMARK 500 3 LYS A 94 -31.45 -38.18 REMARK 500 3 LEU A 112 -163.60 -108.13 REMARK 500 3 GLU A 114 99.40 39.75 REMARK 500 3 ASP A 129 66.46 -62.36 REMARK 500 3 ALA A 147 141.05 -171.61 REMARK 500 3 ALA B 467 -77.18 -65.54 REMARK 500 3 GLU B 481 -167.61 51.83 REMARK 500 3 LYS B 486 62.63 -69.94 REMARK 500 3 LEU B 488 -165.06 -170.87 REMARK 500 3 TRP B 489 -58.51 68.18 REMARK 500 4 ASN A 42 98.21 -160.68 REMARK 500 4 ALA A 57 -70.16 -46.82 REMARK 500 4 ASN A 60 16.63 52.74 REMARK 500 4 ASP A 93 86.81 -155.11 REMARK 500 4 ASP A 95 -33.09 -33.79 REMARK 500 4 ASN A 97 167.17 -43.65 REMARK 500 4 LEU A 112 -128.13 -86.47 REMARK 500 4 ALA A 128 -75.31 -71.00 REMARK 500 4 ASP A 129 -111.56 45.34 REMARK 500 4 ILE A 130 -50.28 83.23 REMARK 500 4 ALA A 147 144.21 -172.34 REMARK 500 REMARK 500 THIS ENTRY HAS 273 RAMACHANDRAN OUTLIERS. REMARK 500 REMARK 500 REMARK: NULL REMARK 500 REMARK 500 GEOMETRY AND STEREOCHEMISTRY REMARK 500 SUBTOPIC: PLANAR GROUPS REMARK 500 REMARK 500 PLANAR GROUPS IN THE FOLLOWING RESIDUES HAVE A TOTAL REMARK 500 RMS DISTANCE OF ALL ATOMS FROM THE BEST-FIT PLANE REMARK 500 BY MORE THAN AN EXPECTED VALUE OF 6*RMSD, WITH AN REMARK 500 RMSD 0.02 ANGSTROMS, OR AT LEAST ONE ATOM HAS REMARK 500 AN RMSD GREATER THAN THIS VALUE REMARK 500 (M=MODEL NUMBER; RES=RESIDUE NAME; C=CHAIN IDENTIFIER; REMARK 500 SSEQ=SEQUENCE NUMBER; I=INSERTION CODE). REMARK 500 REMARK 500 M RES CSSEQI RMS TYPE REMARK 500 1 ARG A 37 0.29 SIDE CHAIN REMARK 500 1 ARG A 74 0.28 SIDE CHAIN REMARK 500 1 ARG A 86 0.22 SIDE CHAIN REMARK 500 1 ARG A 90 0.27 SIDE CHAIN REMARK 500 1 ARG A 106 0.32 SIDE CHAIN REMARK 500 1 ARG A 126 0.23 SIDE CHAIN REMARK 500 1 ARG B 459 0.22 SIDE CHAIN REMARK 500 1 ARG B 466 0.32 SIDE CHAIN REMARK 500 1 ARG B 472 0.25 SIDE CHAIN REMARK 500 1 ARG B 479 0.20 SIDE CHAIN REMARK 500 2 ARG A 37 0.29 SIDE CHAIN REMARK 500 2 ARG A 74 0.30 SIDE CHAIN REMARK 500 2 ARG A 86 0.24 SIDE CHAIN REMARK 500 2 ARG A 90 0.27 SIDE CHAIN REMARK 500 2 ARG A 106 0.27 SIDE CHAIN REMARK 500 2 ARG A 126 0.31 SIDE CHAIN REMARK 500 2 ARG B 459 0.28 SIDE CHAIN REMARK 500 2 ARG B 466 0.31 SIDE CHAIN REMARK 500 2 ARG B 472 0.30 SIDE CHAIN REMARK 500 2 ARG B 479 0.24 SIDE CHAIN REMARK 500 3 ARG A 37 0.22 SIDE CHAIN REMARK 500 3 ARG A 74 0.28 SIDE CHAIN REMARK 500 3 ARG A 86 0.31 SIDE CHAIN REMARK 500 3 ARG A 90 0.23 SIDE CHAIN REMARK 500 3 ARG A 106 0.32 SIDE CHAIN REMARK 500 3 ARG A 126 0.27 SIDE CHAIN REMARK 500 3 ARG B 459 0.30 SIDE CHAIN REMARK 500 3 ARG B 466 0.20 SIDE CHAIN REMARK 500 3 ARG B 472 0.28 SIDE CHAIN REMARK 500 3 ARG B 479 0.20 SIDE CHAIN REMARK 500 4 ARG A 37 0.27 SIDE CHAIN REMARK 500 4 ARG A 74 0.19 SIDE CHAIN REMARK 500 4 ARG A 86 0.22 SIDE CHAIN REMARK 500 4 ARG A 90 0.30 SIDE CHAIN REMARK 500 4 ARG A 106 0.21 SIDE CHAIN REMARK 500 4 ARG A 126 0.23 SIDE CHAIN REMARK 500 4 ARG B 459 0.28 SIDE CHAIN REMARK 500 4 ARG B 466 0.29 SIDE CHAIN REMARK 500 4 ARG B 472 0.31 SIDE CHAIN REMARK 500 4 ARG B 479 0.30 SIDE CHAIN REMARK 500 5 ARG A 37 0.20 SIDE CHAIN REMARK 500 5 ARG A 74 0.32 SIDE CHAIN REMARK 500 5 ARG A 86 0.32 SIDE CHAIN REMARK 500 5 ARG A 90 0.30 SIDE CHAIN REMARK 500 5 ARG A 106 0.21 SIDE CHAIN REMARK 500 5 ARG A 126 0.23 SIDE CHAIN REMARK 500 5 ARG B 459 0.32 SIDE CHAIN REMARK 500 5 ARG B 466 0.32 SIDE CHAIN REMARK 500 5 ARG B 472 0.22 SIDE CHAIN REMARK 500 5 ARG B 479 0.30 SIDE CHAIN REMARK 500 REMARK 500 THIS ENTRY HAS 200 PLANE DEVIATIONS. 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 501 CA REMARK 620 N RES CSSEQI ATOM REMARK 620 1 ASP A 20 OD2 REMARK 620 2 ASP A 20 OD1 27.5 REMARK 620 3 ASP A 22 OD2 102.6 118.9 REMARK 620 4 ASP A 24 OD2 93.6 113.6 90.5 REMARK 620 5 ASP A 24 OD1 50.1 65.4 116.6 48.4 REMARK 620 6 THR A 26 O 85.1 71.3 169.0 81.0 62.4 REMARK 620 7 GLU A 31 OE2 64.2 65.5 57.5 131.8 111.2 133.5 REMARK 620 8 GLU A 31 OE1 94.2 75.3 83.1 170.8 140.7 104.5 48.9 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 502 CA REMARK 620 N RES CSSEQI ATOM REMARK 620 1 ASP A 56 OD2 REMARK 620 2 ASP A 58 OD2 115.0 REMARK 620 3 ASN A 60 OD1 57.8 98.2 REMARK 620 4 THR A 62 O 56.8 162.8 64.5 REMARK 620 5 GLU A 67 OE2 156.4 71.3 145.6 122.8 REMARK 620 6 GLU A 67 OE1 118.2 120.8 131.3 74.5 49.6 REMARK 620 N 1 2 3 4 5 REMARK 620 REMARK 620 COORDINATION ANGLES FOR: M RES CSSEQI METAL REMARK 620 CA A 503 CA REMARK 620 N RES CSSEQI ATOM REMARK 620 1 ASP A 93 OD2 REMARK 620 2 ASP A 95 OD2 115.7 REMARK 620 3 ASN A 97 OD1 53.0 106.8 REMARK 620 4 TYR A 99 O 56.7 161.8 82.1 REMARK 620 5 GLU A 104 OE1 90.3 100.2 141.2 65.1 REMARK 620 6 GLU A 104 OE2 120.9 54.4 158.0 113.0 48.1 REMARK 620 N 1 2 3 4 5 REMARK 620 REMARK 620 COORDINATION ANGLES FOR: M RES CSSEQI METAL REMARK 620 CA A 504 CA REMARK 620 N RES CSSEQI ATOM REMARK 620 1 ASP A 129 OD1 REMARK 620 2 ASP A 131 OD2 121.1 REMARK 620 3 ASP A 133 OD2 97.3 90.3 REMARK 620 4 ASP A 133 OD1 58.5 132.1 47.4 REMARK 620 5 GLN A 135 O 89.1 149.6 82.5 59.2 REMARK 620 6 GLU A 140 OE1 107.4 96.6 145.8 130.6 74.7 REMARK 620 7 GLU A 140 OE2 103.1 56.5 146.6 161.5 123.5 48.9 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 501 REMARK 800 REMARK 800 SITE_IDENTIFIER: AC2 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE CA A 502 REMARK 800 REMARK 800 SITE_IDENTIFIER: AC3 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE CA A 503 REMARK 800 REMARK 800 SITE_IDENTIFIER: AC4 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE CA A 504 REMARK 900 REMARK 900 RELATED ENTRIES REMARK 900 RELATED ID: 15470 RELATED DB: BMRB REMARK 900 ENTRY CONTAINING THE 1H, 15N AND 13C ASSIGNMENTS FOR THIS MOLECULAR REMARK 900 SYSTEM DBREF 2KDU A 1 148 UNP P62155 CALM_XENLA 2 149 DBREF 2KDU B 458 492 UNP Q62768 UN13A_RAT 458 492 SEQADV 2KDU GLY B 457 UNP Q62768 EXPRESSION TAG SEQRES 1 A 148 ALA ASP GLN LEU THR GLU GLU GLN ILE ALA GLU PHE LYS SEQRES 2 A 148 GLU ALA PHE SER LEU PHE ASP LYS ASP GLY ASP GLY THR SEQRES 3 A 148 ILE THR THR LYS GLU LEU GLY THR VAL MET ARG SER LEU SEQRES 4 A 148 GLY GLN ASN PRO THR GLU ALA GLU LEU GLN ASP MET ILE SEQRES 5 A 148 ASN GLU VAL ASP ALA ASP GLY ASN GLY THR ILE ASP PHE SEQRES 6 A 148 PRO GLU PHE LEU THR MET MET ALA ARG LYS MET LYS ASP SEQRES 7 A 148 THR ASP SER GLU GLU GLU ILE ARG GLU ALA PHE ARG VAL SEQRES 8 A 148 PHE ASP LYS ASP GLY ASN GLY TYR ILE SER ALA ALA GLU SEQRES 9 A 148 LEU ARG HIS VAL MET THR ASN LEU GLY GLU LYS LEU THR SEQRES 10 A 148 ASP GLU GLU VAL ASP GLU MET ILE ARG GLU ALA ASP ILE SEQRES 11 A 148 ASP GLY ASP GLY GLN VAL ASN TYR GLU GLU PHE VAL GLN SEQRES 12 A 148 MET MET THR ALA LYS SEQRES 1 B 36 GLY SER ARG ALA LYS ALA ASN TRP LEU ARG ALA PHE ASN SEQRES 2 B 36 LYS VAL ARG MET GLN LEU GLN GLU ALA ARG GLY GLU GLY SEQRES 3 B 36 GLU MET SER LYS SER LEU TRP PHE LYS GLY HET CA A 501 1 HET CA A 502 1 HET CA A 503 1 HET CA A 504 1 HETNAM CA CALCIUM ION FORMUL 3 CA 4(CA 2+) HELIX 1 1 THR A 5 ASP A 20 1 16 HELIX 2 2 THR A 29 LEU A 39 1 11 HELIX 3 3 THR A 44 ASP A 56 1 13 HELIX 4 4 ALA A 57 ASN A 60 5 4 HELIX 5 5 PHE A 65 LYS A 75 1 11 HELIX 6 6 GLU A 83 ASP A 93 1 11 HELIX 7 7 SER A 101 LEU A 112 1 12 HELIX 8 8 THR A 117 ASP A 129 1 13 HELIX 9 9 ASN A 137 THR A 146 1 10 HELIX 10 10 SER B 458 ARG B 479 1 22 HELIX 11 11 LYS B 486 LYS B 491 1 6 SHEET 1 A 2 THR A 26 THR A 28 0 SHEET 2 A 2 THR A 62 ASP A 64 -1 O ILE A 63 N ILE A 27 LINK OD2 ASP A 20 CA CA A 501 1555 1555 4.07 LINK OD1 ASP A 20 CA CA A 501 1555 1555 2.55 LINK OD2 ASP A 22 CA CA A 501 1555 1555 2.59 LINK OD2 ASP A 24 CA CA A 501 1555 1555 2.67 LINK OD1 ASP A 24 CA CA A 501 1555 1555 2.58 LINK O THR A 26 CA CA A 501 1555 1555 2.57 LINK OE2 GLU A 31 CA CA A 501 1555 1555 2.59 LINK OE1 GLU A 31 CA CA A 501 1555 1555 2.61 LINK OD2 ASP A 56 CA CA A 502 1555 1555 2.56 LINK OD2 ASP A 58 CA CA A 502 1555 1555 2.57 LINK OD1 ASN A 60 CA CA A 502 1555 1555 2.54 LINK O THR A 62 CA CA A 502 1555 1555 2.60 LINK OE2 GLU A 67 CA CA A 502 1555 1555 2.59 LINK OE1 GLU A 67 CA CA A 502 1555 1555 2.54 LINK OD2 ASP A 93 CA CA A 503 1555 1555 2.69 LINK OD2 ASP A 95 CA CA A 503 1555 1555 2.80 LINK OD1 ASN A 97 CA CA A 503 1555 1555 2.63 LINK O TYR A 99 CA CA A 503 1555 1555 2.58 LINK OE1 GLU A 104 CA CA A 503 1555 1555 2.70 LINK OE2 GLU A 104 CA CA A 503 1555 1555 2.57 LINK OD1 ASP A 129 CA CA A 504 1555 1555 2.58 LINK OD2 ASP A 131 CA CA A 504 1555 1555 2.62 LINK OD2 ASP A 133 CA CA A 504 1555 1555 2.77 LINK OD1 ASP A 133 CA CA A 504 1555 1555 2.57 LINK O GLN A 135 CA CA A 504 1555 1555 2.59 LINK OE1 GLU A 140 CA CA A 504 1555 1555 2.60 LINK OE2 GLU A 140 CA CA A 504 1555 1555 2.58 SITE 1 AC1 7 ASP A 20 ASP A 22 ASP A 24 THR A 26 SITE 2 AC1 7 ILE A 27 THR A 28 GLU A 31 SITE 1 AC2 6 ASP A 56 ALA A 57 ASP A 58 ASN A 60 SITE 2 AC2 6 THR A 62 GLU A 67 SITE 1 AC3 5 ASP A 93 ASP A 95 ASN A 97 TYR A 99 SITE 2 AC3 5 GLU A 104 SITE 1 AC4 5 ASP A 129 ASP A 131 ASP A 133 GLN A 135 SITE 2 AC4 5 GLU A 140 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