HEADER MEMBRANE PROTEIN 12-NOV-18 6N28 TITLE BEST1 CALCIUM-BOUND OPEN STATE COMPND MOL_ID: 1; COMPND 2 MOLECULE: BESTROPHIN HOMOLOG; COMPND 3 CHAIN: A, B, C, D, E; COMPND 4 ENGINEERED: YES SOURCE MOL_ID: 1; SOURCE 2 ORGANISM_SCIENTIFIC: GALLUS GALLUS; SOURCE 3 ORGANISM_COMMON: CHICKEN; SOURCE 4 ORGANISM_TAXID: 9031; SOURCE 5 GENE: BEST1; SOURCE 6 EXPRESSION_SYSTEM: KOMAGATAELLA PASTORIS; SOURCE 7 EXPRESSION_SYSTEM_TAXID: 4922 KEYWDS ION CHANNEL, CALCIUM ACTIVATED CHLORIDE CHANNEL, EUKARYOTIC MEMBRANE KEYWDS 2 PROTEIN, ANION CHANNEL, TRANSPORT PROTEIN, LIGAND GATED ION CHANNEL, KEYWDS 3 MEMBRANE PROTEIN EXPDTA ELECTRON MICROSCOPY AUTHOR A.N.MILLER,G.VAISEY,S.B.LONG REVDAT 3 18-DEC-19 6N28 1 SCALE REVDAT 2 04-DEC-19 6N28 1 REMARK REVDAT 1 23-JAN-19 6N28 0 JRNL AUTH A.N.MILLER,G.VAISEY,S.B.LONG JRNL TITL MOLECULAR MECHANISMS OF GATING IN THE CALCIUM-ACTIVATED JRNL TITL 2 CHLORIDE CHANNEL BESTROPHIN. JRNL REF ELIFE V. 8 2019 JRNL REFN ESSN 2050-084X JRNL PMID 30628889 JRNL DOI 10.7554/ELIFE.43231 REMARK 2 REMARK 2 RESOLUTION. 2.90 ANGSTROMS. REMARK 3 REMARK 3 REFINEMENT. REMARK 3 SOFTWARE PACKAGES : RELION, RELION, COOT, PHENIX, RELION, REMARK 3 RELION, RELION, RELION REMARK 3 RECONSTRUCTION SCHEMA : FOURIER SPACE REMARK 3 REMARK 3 EM MAP-MODEL FITTING AND REFINEMENT REMARK 3 PDB ENTRY : 4RDQ REMARK 3 REFINEMENT SPACE : REAL REMARK 3 REFINEMENT PROTOCOL : OTHER REMARK 3 REFINEMENT TARGET : NULL REMARK 3 OVERALL ANISOTROPIC B VALUE : 55.900 REMARK 3 REMARK 3 FITTING PROCEDURE : NULL REMARK 3 REMARK 3 EM IMAGE RECONSTRUCTION STATISTICS REMARK 3 NOMINAL PIXEL SIZE (ANGSTROMS) : NULL REMARK 3 ACTUAL PIXEL SIZE (ANGSTROMS) : NULL REMARK 3 EFFECTIVE RESOLUTION (ANGSTROMS) : 2.900 REMARK 3 NUMBER OF PARTICLES : 41484 REMARK 3 CTF CORRECTION METHOD : PHASE FLIPPING AND AMPLITUDE REMARK 3 CORRECTION REMARK 3 REMARK 3 EM RECONSTRUCTION MAGNIFICATION CALIBRATION: NULL REMARK 3 REMARK 3 OTHER DETAILS: NULL REMARK 4 REMARK 4 6N28 COMPLIES WITH FORMAT V. 3.30, 13-JUL-11 REMARK 100 REMARK 100 THIS ENTRY HAS BEEN PROCESSED BY RCSB ON 13-NOV-18. REMARK 100 THE DEPOSITION ID IS D_1000236804. REMARK 245 REMARK 245 EXPERIMENTAL DETAILS REMARK 245 RECONSTRUCTION METHOD : SINGLE PARTICLE REMARK 245 SPECIMEN TYPE : NULL REMARK 245 REMARK 245 ELECTRON MICROSCOPE SAMPLE REMARK 245 SAMPLE TYPE : PARTICLE REMARK 245 PARTICLE TYPE : POINT REMARK 245 NAME OF SAMPLE : BEST1 CALCIUM-BOUND OPEN STATE REMARK 245 SAMPLE CONCENTRATION (MG ML-1) : 5.00 REMARK 245 SAMPLE SUPPORT DETAILS : UNSPECIFIED REMARK 245 SAMPLE VITRIFICATION DETAILS : NULL REMARK 245 SAMPLE BUFFER : NULL REMARK 245 PH : 7.50 REMARK 245 SAMPLE DETAILS : NULL REMARK 245 REMARK 245 DATA ACQUISITION REMARK 245 DATE OF EXPERIMENT : NULL REMARK 245 NUMBER OF MICROGRAPHS-IMAGES : NULL REMARK 245 TEMPERATURE (KELVIN) : NULL REMARK 245 MICROSCOPE MODEL : FEI TITAN KRIOS REMARK 245 DETECTOR TYPE : GATAN K2 SUMMIT (4K X 4K) REMARK 245 MINIMUM DEFOCUS (NM) : NULL REMARK 245 MAXIMUM DEFOCUS (NM) : NULL REMARK 245 MINIMUM TILT ANGLE (DEGREES) : NULL REMARK 245 MAXIMUM TILT ANGLE (DEGREES) : NULL REMARK 245 NOMINAL CS : NULL REMARK 245 IMAGING MODE : BRIGHT FIELD REMARK 245 ELECTRON DOSE (ELECTRONS NM**-2) : 76.00 REMARK 245 ILLUMINATION MODE : OTHER REMARK 245 NOMINAL MAGNIFICATION : NULL REMARK 245 CALIBRATED MAGNIFICATION : NULL REMARK 245 SOURCE : FIELD EMISSION GUN REMARK 245 ACCELERATION VOLTAGE (KV) : 300 REMARK 245 IMAGING DETAILS : NULL REMARK 247 REMARK 247 ELECTRON MICROSCOPY REMARK 247 THE COORDINATES IN THIS ENTRY WERE GENERATED FROM ELECTRON REMARK 247 MICROSCOPY DATA. PROTEIN DATA BANK CONVENTIONS REQUIRE REMARK 247 THAT CRYST1 AND SCALE RECORDS BE INCLUDED, BUT THE VALUES REMARK 247 ON THESE RECORDS ARE MEANINGLESS EXCEPT FOR THE CALCULATION REMARK 247 OF THE STRUCTURE FACTORS. 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: PENTAMERIC REMARK 350 APPLY THE FOLLOWING TO CHAINS: A, B, C, D, E 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. (M=MODEL NUMBER; RES=RESIDUE NAME; C=CHAIN REMARK 465 IDENTIFIER; SSSEQ=SEQUENCE NUMBER; I=INSERTION CODE.) REMARK 465 REMARK 465 M RES C SSSEQI REMARK 465 GLU A 340 REMARK 465 PRO A 341 REMARK 465 ASP A 342 REMARK 465 PRO A 343 REMARK 465 GLN A 344 REMARK 465 GLU A 345 REMARK 465 GLY A 346 REMARK 465 GLU A 347 REMARK 465 GLU A 348 REMARK 465 PHE A 349 REMARK 465 GLU B 340 REMARK 465 PRO B 341 REMARK 465 ASP B 342 REMARK 465 PRO B 343 REMARK 465 GLN B 344 REMARK 465 GLU B 345 REMARK 465 GLY B 346 REMARK 465 GLU B 347 REMARK 465 GLU B 348 REMARK 465 PHE B 349 REMARK 465 GLU C 340 REMARK 465 PRO C 341 REMARK 465 ASP C 342 REMARK 465 PRO C 343 REMARK 465 GLN C 344 REMARK 465 GLU C 345 REMARK 465 GLY C 346 REMARK 465 GLU C 347 REMARK 465 GLU C 348 REMARK 465 PHE C 349 REMARK 465 GLU D 340 REMARK 465 PRO D 341 REMARK 465 ASP D 342 REMARK 465 PRO D 343 REMARK 465 GLN D 344 REMARK 465 GLU D 345 REMARK 465 GLY D 346 REMARK 465 GLU D 347 REMARK 465 GLU D 348 REMARK 465 PHE D 349 REMARK 465 GLU E 340 REMARK 465 PRO E 341 REMARK 465 ASP E 342 REMARK 465 PRO E 343 REMARK 465 GLN E 344 REMARK 465 GLU E 345 REMARK 465 GLY E 346 REMARK 465 GLU E 347 REMARK 465 GLU E 348 REMARK 465 PHE E 349 REMARK 470 REMARK 470 MISSING ATOM REMARK 470 THE FOLLOWING RESIDUES HAVE MISSING ATOMS (M=MODEL NUMBER; REMARK 470 RES=RESIDUE NAME; C=CHAIN IDENTIFIER; SSEQ=SEQUENCE NUMBER; REMARK 470 I=INSERTION CODE): REMARK 470 M RES CSSEQI ATOMS REMARK 470 ARG A 13 CG CD NE CZ NH1 NH2 REMARK 470 LYS A 25 CG CD CE NZ REMARK 470 LYS A 169 CG CD CE NZ REMARK 470 GLU A 261 CG CD OE1 OE2 REMARK 470 GLU A 268 CG CD OE1 OE2 REMARK 470 ARG B 13 CG CD NE CZ NH1 NH2 REMARK 470 LYS B 25 CG CD CE NZ REMARK 470 LYS B 169 CG CD CE NZ REMARK 470 GLU B 261 CG CD OE1 OE2 REMARK 470 GLU B 268 CG CD OE1 OE2 REMARK 470 ARG C 13 CG CD NE CZ NH1 NH2 REMARK 470 LYS C 25 CG CD CE NZ REMARK 470 LYS C 169 CG CD CE NZ REMARK 470 GLU C 261 CG CD OE1 OE2 REMARK 470 GLU C 268 CG CD OE1 OE2 REMARK 470 ARG D 13 CG CD NE CZ NH1 NH2 REMARK 470 LYS D 25 CG CD CE NZ REMARK 470 LYS D 169 CG CD CE NZ REMARK 470 GLU D 261 CG CD OE1 OE2 REMARK 470 GLU D 268 CG CD OE1 OE2 REMARK 470 ARG E 13 CG CD NE CZ NH1 NH2 REMARK 470 LYS E 25 CG CD CE NZ REMARK 470 LYS E 169 CG CD CE NZ REMARK 470 GLU E 261 CG CD OE1 OE2 REMARK 470 GLU E 268 CG CD OE1 OE2 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 ARG A 13 -79.24 -88.09 REMARK 500 LEU A 14 -59.18 -130.59 REMARK 500 LYS A 180 33.61 -97.59 REMARK 500 PHE A 272 -10.44 71.74 REMARK 500 ARG B 13 -79.27 -88.11 REMARK 500 LEU B 14 -59.24 -130.52 REMARK 500 LYS B 180 33.67 -97.63 REMARK 500 ALA B 263 61.31 60.01 REMARK 500 PHE B 272 -10.44 71.77 REMARK 500 ARG C 13 -79.26 -88.11 REMARK 500 LEU C 14 -59.18 -130.60 REMARK 500 LYS C 180 33.69 -97.61 REMARK 500 PHE C 272 -10.37 71.71 REMARK 500 ARG D 13 -79.19 -88.06 REMARK 500 LEU D 14 -59.16 -130.63 REMARK 500 LYS D 180 33.68 -97.66 REMARK 500 PHE D 272 -10.40 71.72 REMARK 500 ARG E 13 -79.22 -88.09 REMARK 500 LEU E 14 -59.22 -130.61 REMARK 500 LYS E 180 33.56 -97.53 REMARK 500 PHE E 272 -10.51 71.80 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 E 401 CA REMARK 620 N RES CSSEQI ATOM REMARK 620 1 ALA A 10 O REMARK 620 2 GLN E 293 O 128.3 REMARK 620 3 ASN E 296 O 97.3 95.8 REMARK 620 4 ASP E 301 OD2 81.4 85.0 178.6 REMARK 620 5 ASP E 304 OD1 148.0 81.5 89.8 91.4 REMARK 620 6 ASP E 304 OD2 95.9 131.3 97.8 82.5 52.1 REMARK 620 N 1 2 3 4 5 REMARK 620 REMARK 620 COORDINATION ANGLES FOR: M RES CSSEQI METAL REMARK 620 CA A 401 CA REMARK 620 N RES CSSEQI ATOM REMARK 620 1 GLN A 293 O REMARK 620 2 ASN A 296 O 95.8 REMARK 620 3 ASP A 301 OD2 85.0 178.6 REMARK 620 4 ASP A 304 OD1 81.5 89.8 91.4 REMARK 620 5 ASP A 304 OD2 131.3 97.8 82.5 52.1 REMARK 620 6 ALA B 10 O 128.2 97.2 81.5 148.2 96.1 REMARK 620 N 1 2 3 4 5 REMARK 620 REMARK 620 COORDINATION ANGLES FOR: M RES CSSEQI METAL REMARK 620 CA B 401 CA REMARK 620 N RES CSSEQI ATOM REMARK 620 1 GLN B 293 O REMARK 620 2 ASN B 296 O 95.8 REMARK 620 3 ASP B 301 OD2 85.0 178.6 REMARK 620 4 ASP B 304 OD1 81.5 89.8 91.4 REMARK 620 5 ASP B 304 OD2 131.3 97.8 82.4 52.1 REMARK 620 6 ALA C 10 O 127.8 97.4 81.2 148.4 96.3 REMARK 620 N 1 2 3 4 5 REMARK 620 REMARK 620 COORDINATION ANGLES FOR: M RES CSSEQI METAL REMARK 620 CA C 401 CA REMARK 620 N RES CSSEQI ATOM REMARK 620 1 GLN C 293 O REMARK 620 2 ASN C 296 O 95.8 REMARK 620 3 ASP C 301 OD2 85.0 178.7 REMARK 620 4 ASP C 304 OD1 81.5 89.8 91.4 REMARK 620 5 ASP C 304 OD2 131.3 97.8 82.5 52.2 REMARK 620 6 ALA D 10 O 127.5 97.2 81.5 148.8 96.7 REMARK 620 N 1 2 3 4 5 REMARK 620 REMARK 620 COORDINATION ANGLES FOR: M RES CSSEQI METAL REMARK 620 CA D 401 CA REMARK 620 N RES CSSEQI ATOM REMARK 620 1 GLN D 293 O REMARK 620 2 ASN D 296 O 95.8 REMARK 620 3 ASP D 301 OD2 85.0 178.7 REMARK 620 4 ASP D 304 OD1 81.5 89.8 91.4 REMARK 620 5 ASP D 304 OD2 131.3 97.8 82.5 52.1 REMARK 620 6 ALA E 10 O 127.5 97.3 81.4 148.7 96.7 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 401 REMARK 800 REMARK 800 SITE_IDENTIFIER: AC2 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: binding site for residue CA B 401 REMARK 800 REMARK 800 SITE_IDENTIFIER: AC3 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: binding site for residue CA C 401 REMARK 800 REMARK 800 SITE_IDENTIFIER: AC4 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: binding site for residue CA D 401 REMARK 800 REMARK 800 SITE_IDENTIFIER: AC5 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: binding site for residue CA E 401 REMARK 900 REMARK 900 RELATED ENTRIES REMARK 900 RELATED ID: 6N27 RELATED DB: PDB REMARK 900 RELATED ID: EMD-9326 RELATED DB: EMDB REMARK 900 BEST1 CALCIUM-BOUND OPEN STATE DBREF 6N28 A 2 344 UNP E1C3A0 E1C3A0_CHICK 2 344 DBREF 6N28 B 2 344 UNP E1C3A0 E1C3A0_CHICK 2 344 DBREF 6N28 C 2 344 UNP E1C3A0 E1C3A0_CHICK 2 344 DBREF 6N28 D 2 344 UNP E1C3A0 E1C3A0_CHICK 2 344 DBREF 6N28 E 2 344 UNP E1C3A0 E1C3A0_CHICK 2 344 SEQADV 6N28 GLU A 345 UNP E1C3A0 EXPRESSION TAG SEQADV 6N28 GLY A 346 UNP E1C3A0 EXPRESSION TAG SEQADV 6N28 GLU A 347 UNP E1C3A0 EXPRESSION TAG SEQADV 6N28 GLU A 348 UNP E1C3A0 EXPRESSION TAG SEQADV 6N28 PHE A 349 UNP E1C3A0 EXPRESSION TAG SEQADV 6N28 GLU B 345 UNP E1C3A0 EXPRESSION TAG SEQADV 6N28 GLY B 346 UNP E1C3A0 EXPRESSION TAG SEQADV 6N28 GLU B 347 UNP E1C3A0 EXPRESSION TAG SEQADV 6N28 GLU B 348 UNP E1C3A0 EXPRESSION TAG SEQADV 6N28 PHE B 349 UNP E1C3A0 EXPRESSION TAG SEQADV 6N28 GLU C 345 UNP E1C3A0 EXPRESSION TAG SEQADV 6N28 GLY C 346 UNP E1C3A0 EXPRESSION TAG SEQADV 6N28 GLU C 347 UNP E1C3A0 EXPRESSION TAG SEQADV 6N28 GLU C 348 UNP E1C3A0 EXPRESSION TAG SEQADV 6N28 PHE C 349 UNP E1C3A0 EXPRESSION TAG SEQADV 6N28 GLU D 345 UNP E1C3A0 EXPRESSION TAG SEQADV 6N28 GLY D 346 UNP E1C3A0 EXPRESSION TAG SEQADV 6N28 GLU D 347 UNP E1C3A0 EXPRESSION TAG SEQADV 6N28 GLU D 348 UNP E1C3A0 EXPRESSION TAG SEQADV 6N28 PHE D 349 UNP E1C3A0 EXPRESSION TAG SEQADV 6N28 GLU E 345 UNP E1C3A0 EXPRESSION TAG SEQADV 6N28 GLY E 346 UNP E1C3A0 EXPRESSION TAG SEQADV 6N28 GLU E 347 UNP E1C3A0 EXPRESSION TAG SEQADV 6N28 GLU E 348 UNP E1C3A0 EXPRESSION TAG SEQADV 6N28 PHE E 349 UNP E1C3A0 EXPRESSION TAG SEQRES 1 A 348 THR VAL THR TYR THR ASN ARG VAL ALA ASP ALA ARG LEU SEQRES 2 A 348 GLY THR PHE SER GLN LEU LEU LEU GLN TRP LYS GLY SER SEQRES 3 A 348 ILE TYR LYS LEU LEU TYR SER GLU PHE LEU ILE PHE ILE SEQRES 4 A 348 SER LEU TYR PHE ALA ILE SER LEU VAL TYR ARG LEU ILE SEQRES 5 A 348 LEU SER GLU SER GLN ARG LEU MET PHE GLU LYS LEU ALA SEQRES 6 A 348 LEU TYR CYS ASN SER TYR ALA GLU LEU ILE PRO VAL SER SEQRES 7 A 348 PHE VAL LEU GLY PHE TYR VAL SER LEU VAL VAL SER ARG SEQRES 8 A 348 TRP TRP ALA GLN TYR GLU SER ILE PRO TRP PRO ASP ARG SEQRES 9 A 348 ILE MET ASN LEU VAL SER CYS ASN VAL ASP GLY GLU ASP SEQRES 10 A 348 GLU TYR GLY ARG LEU LEU ARG ARG THR LEU MET ARG TYR SEQRES 11 A 348 SER ASN LEU CYS SER VAL LEU ILE LEU ARG SER VAL SER SEQRES 12 A 348 THR ALA VAL TYR LYS ARG PHE PRO SER MET GLU HIS VAL SEQRES 13 A 348 VAL ARG ALA GLY LEU MET THR PRO GLU GLU HIS LYS LYS SEQRES 14 A 348 PHE GLU SER LEU ASN SER PRO HIS ASN LYS PHE TRP ILE SEQRES 15 A 348 PRO CYS VAL TRP PHE SER ASN LEU ALA VAL LYS ALA ARG SEQRES 16 A 348 ASN GLU GLY ARG ILE ARG ASP SER VAL LEU LEU GLN GLY SEQRES 17 A 348 ILE LEU ASN GLU LEU ASN THR LEU ARG SER GLN CYS GLY SEQRES 18 A 348 ARG LEU TYR GLY TYR ASP TRP ILE SER ILE PRO LEU VAL SEQRES 19 A 348 TYR THR GLN VAL VAL THR VAL ALA VAL TYR SER PHE PHE SEQRES 20 A 348 LEU ALA CYS LEU ILE GLY ARG GLN PHE LEU ASP PRO GLU SEQRES 21 A 348 LYS ALA TYR PRO GLY HIS GLU LEU ASP LEU PHE VAL PRO SEQRES 22 A 348 VAL PHE THR PHE LEU GLN PHE PHE PHE TYR ALA GLY TRP SEQRES 23 A 348 LEU LYS VAL ALA GLU GLN LEU ILE ASN PRO PHE GLY GLU SEQRES 24 A 348 ASP ASP ASP ASP PHE GLU THR ASN TRP LEU ILE ASP ARG SEQRES 25 A 348 ASN LEU GLN VAL SER LEU MET ALA VAL ASP GLU MET HIS SEQRES 26 A 348 GLN ASP LEU PRO ILE LEU GLU LYS ASP LEU TYR TRP ASN SEQRES 27 A 348 GLU PRO ASP PRO GLN GLU GLY GLU GLU PHE SEQRES 1 B 348 THR VAL THR TYR THR ASN ARG VAL ALA ASP ALA ARG LEU SEQRES 2 B 348 GLY THR PHE SER GLN LEU LEU LEU GLN TRP LYS GLY SER SEQRES 3 B 348 ILE TYR LYS LEU LEU TYR SER GLU PHE LEU ILE PHE ILE SEQRES 4 B 348 SER LEU TYR PHE ALA ILE SER LEU VAL TYR ARG LEU ILE SEQRES 5 B 348 LEU SER GLU SER GLN ARG LEU MET PHE GLU LYS LEU ALA SEQRES 6 B 348 LEU TYR CYS ASN SER TYR ALA GLU LEU ILE PRO VAL SER SEQRES 7 B 348 PHE VAL LEU GLY PHE TYR VAL SER LEU VAL VAL SER ARG SEQRES 8 B 348 TRP TRP ALA GLN TYR GLU SER ILE PRO TRP PRO ASP ARG SEQRES 9 B 348 ILE MET ASN LEU VAL SER CYS ASN VAL ASP GLY GLU ASP SEQRES 10 B 348 GLU TYR GLY ARG LEU LEU ARG ARG THR LEU MET ARG TYR SEQRES 11 B 348 SER ASN LEU CYS SER VAL LEU ILE LEU ARG SER VAL SER SEQRES 12 B 348 THR ALA VAL TYR LYS ARG PHE PRO SER MET GLU HIS VAL SEQRES 13 B 348 VAL ARG ALA GLY LEU MET THR PRO GLU GLU HIS LYS LYS SEQRES 14 B 348 PHE GLU SER LEU ASN SER PRO HIS ASN LYS PHE TRP ILE SEQRES 15 B 348 PRO CYS VAL TRP PHE SER ASN LEU ALA VAL LYS ALA ARG SEQRES 16 B 348 ASN GLU GLY ARG ILE ARG ASP SER VAL LEU LEU GLN GLY SEQRES 17 B 348 ILE LEU ASN GLU LEU ASN THR LEU ARG SER GLN CYS GLY SEQRES 18 B 348 ARG LEU TYR GLY TYR ASP TRP ILE SER ILE PRO LEU VAL SEQRES 19 B 348 TYR THR GLN VAL VAL THR VAL ALA VAL TYR SER PHE PHE SEQRES 20 B 348 LEU ALA CYS LEU ILE GLY ARG GLN PHE LEU ASP PRO GLU SEQRES 21 B 348 LYS ALA TYR PRO GLY HIS GLU LEU ASP LEU PHE VAL PRO SEQRES 22 B 348 VAL PHE THR PHE LEU GLN PHE PHE PHE TYR ALA GLY TRP SEQRES 23 B 348 LEU LYS VAL ALA GLU GLN LEU ILE ASN PRO PHE GLY GLU SEQRES 24 B 348 ASP ASP ASP ASP PHE GLU THR ASN TRP LEU ILE ASP ARG SEQRES 25 B 348 ASN LEU GLN VAL SER LEU MET ALA VAL ASP GLU MET HIS SEQRES 26 B 348 GLN ASP LEU PRO ILE LEU GLU LYS ASP LEU TYR TRP ASN SEQRES 27 B 348 GLU PRO ASP PRO GLN GLU GLY GLU GLU PHE SEQRES 1 C 348 THR VAL THR TYR THR ASN ARG VAL ALA ASP ALA ARG LEU SEQRES 2 C 348 GLY THR PHE SER GLN LEU LEU LEU GLN TRP LYS GLY SER SEQRES 3 C 348 ILE TYR LYS LEU LEU TYR SER GLU PHE LEU ILE PHE ILE SEQRES 4 C 348 SER LEU TYR PHE ALA ILE SER LEU VAL TYR ARG LEU ILE SEQRES 5 C 348 LEU SER GLU SER GLN ARG LEU MET PHE GLU LYS LEU ALA SEQRES 6 C 348 LEU TYR CYS ASN SER TYR ALA GLU LEU ILE PRO VAL SER SEQRES 7 C 348 PHE VAL LEU GLY PHE TYR VAL SER LEU VAL VAL SER ARG SEQRES 8 C 348 TRP TRP ALA GLN TYR GLU SER ILE PRO TRP PRO ASP ARG SEQRES 9 C 348 ILE MET ASN LEU VAL SER CYS ASN VAL ASP GLY GLU ASP SEQRES 10 C 348 GLU TYR GLY ARG LEU LEU ARG ARG THR LEU MET ARG TYR SEQRES 11 C 348 SER ASN LEU CYS SER VAL LEU ILE LEU ARG SER VAL SER SEQRES 12 C 348 THR ALA VAL TYR LYS ARG PHE PRO SER MET GLU HIS VAL SEQRES 13 C 348 VAL ARG ALA GLY LEU MET THR PRO GLU GLU HIS LYS LYS SEQRES 14 C 348 PHE GLU SER LEU ASN SER PRO HIS ASN LYS PHE TRP ILE SEQRES 15 C 348 PRO CYS VAL TRP PHE SER ASN LEU ALA VAL LYS ALA ARG SEQRES 16 C 348 ASN GLU GLY ARG ILE ARG ASP SER VAL LEU LEU GLN GLY SEQRES 17 C 348 ILE LEU ASN GLU LEU ASN THR LEU ARG SER GLN CYS GLY SEQRES 18 C 348 ARG LEU TYR GLY TYR ASP TRP ILE SER ILE PRO LEU VAL SEQRES 19 C 348 TYR THR GLN VAL VAL THR VAL ALA VAL TYR SER PHE PHE SEQRES 20 C 348 LEU ALA CYS LEU ILE GLY ARG GLN PHE LEU ASP PRO GLU SEQRES 21 C 348 LYS ALA TYR PRO GLY HIS GLU LEU ASP LEU PHE VAL PRO SEQRES 22 C 348 VAL PHE THR PHE LEU GLN PHE PHE PHE TYR ALA GLY TRP SEQRES 23 C 348 LEU LYS VAL ALA GLU GLN LEU ILE ASN PRO PHE GLY GLU SEQRES 24 C 348 ASP ASP ASP ASP PHE GLU THR ASN TRP LEU ILE ASP ARG SEQRES 25 C 348 ASN LEU GLN VAL SER LEU MET ALA VAL ASP GLU MET HIS SEQRES 26 C 348 GLN ASP LEU PRO ILE LEU GLU LYS ASP LEU TYR TRP ASN SEQRES 27 C 348 GLU PRO ASP PRO GLN GLU GLY GLU GLU PHE SEQRES 1 D 348 THR VAL THR TYR THR ASN ARG VAL ALA ASP ALA ARG LEU SEQRES 2 D 348 GLY THR PHE SER GLN LEU LEU LEU GLN TRP LYS GLY SER SEQRES 3 D 348 ILE TYR LYS LEU LEU TYR SER GLU PHE LEU ILE PHE ILE SEQRES 4 D 348 SER LEU TYR PHE ALA ILE SER LEU VAL TYR ARG LEU ILE SEQRES 5 D 348 LEU SER GLU SER GLN ARG LEU MET PHE GLU LYS LEU ALA SEQRES 6 D 348 LEU TYR CYS ASN SER TYR ALA GLU LEU ILE PRO VAL SER SEQRES 7 D 348 PHE VAL LEU GLY PHE TYR VAL SER LEU VAL VAL SER ARG SEQRES 8 D 348 TRP TRP ALA GLN TYR GLU SER ILE PRO TRP PRO ASP ARG SEQRES 9 D 348 ILE MET ASN LEU VAL SER CYS ASN VAL ASP GLY GLU ASP SEQRES 10 D 348 GLU TYR GLY ARG LEU LEU ARG ARG THR LEU MET ARG TYR SEQRES 11 D 348 SER ASN LEU CYS SER VAL LEU ILE LEU ARG SER VAL SER SEQRES 12 D 348 THR ALA VAL TYR LYS ARG PHE PRO SER MET GLU HIS VAL SEQRES 13 D 348 VAL ARG ALA GLY LEU MET THR PRO GLU GLU HIS LYS LYS SEQRES 14 D 348 PHE GLU SER LEU ASN SER PRO HIS ASN LYS PHE TRP ILE SEQRES 15 D 348 PRO CYS VAL TRP PHE SER ASN LEU ALA VAL LYS ALA ARG SEQRES 16 D 348 ASN GLU GLY ARG ILE ARG ASP SER VAL LEU LEU GLN GLY SEQRES 17 D 348 ILE LEU ASN GLU LEU ASN THR LEU ARG SER GLN CYS GLY SEQRES 18 D 348 ARG LEU TYR GLY TYR ASP TRP ILE SER ILE PRO LEU VAL SEQRES 19 D 348 TYR THR GLN VAL VAL THR VAL ALA VAL TYR SER PHE PHE SEQRES 20 D 348 LEU ALA CYS LEU ILE GLY ARG GLN PHE LEU ASP PRO GLU SEQRES 21 D 348 LYS ALA TYR PRO GLY HIS GLU LEU ASP LEU PHE VAL PRO SEQRES 22 D 348 VAL PHE THR PHE LEU GLN PHE PHE PHE TYR ALA GLY TRP SEQRES 23 D 348 LEU LYS VAL ALA GLU GLN LEU ILE ASN PRO PHE GLY GLU SEQRES 24 D 348 ASP ASP ASP ASP PHE GLU THR ASN TRP LEU ILE ASP ARG SEQRES 25 D 348 ASN LEU GLN VAL SER LEU MET ALA VAL ASP GLU MET HIS SEQRES 26 D 348 GLN ASP LEU PRO ILE LEU GLU LYS ASP LEU TYR TRP ASN SEQRES 27 D 348 GLU PRO ASP PRO GLN GLU GLY GLU GLU PHE SEQRES 1 E 348 THR VAL THR TYR THR ASN ARG VAL ALA ASP ALA ARG LEU SEQRES 2 E 348 GLY THR PHE SER GLN LEU LEU LEU GLN TRP LYS GLY SER SEQRES 3 E 348 ILE TYR LYS LEU LEU TYR SER GLU PHE LEU ILE PHE ILE SEQRES 4 E 348 SER LEU TYR PHE ALA ILE SER LEU VAL TYR ARG LEU ILE SEQRES 5 E 348 LEU SER GLU SER GLN ARG LEU MET PHE GLU LYS LEU ALA SEQRES 6 E 348 LEU TYR CYS ASN SER TYR ALA GLU LEU ILE PRO VAL SER SEQRES 7 E 348 PHE VAL LEU GLY PHE TYR VAL SER LEU VAL VAL SER ARG SEQRES 8 E 348 TRP TRP ALA GLN TYR GLU SER ILE PRO TRP PRO ASP ARG SEQRES 9 E 348 ILE MET ASN LEU VAL SER CYS ASN VAL ASP GLY GLU ASP SEQRES 10 E 348 GLU TYR GLY ARG LEU LEU ARG ARG THR LEU MET ARG TYR SEQRES 11 E 348 SER ASN LEU CYS SER VAL LEU ILE LEU ARG SER VAL SER SEQRES 12 E 348 THR ALA VAL TYR LYS ARG PHE PRO SER MET GLU HIS VAL SEQRES 13 E 348 VAL ARG ALA GLY LEU MET THR PRO GLU GLU HIS LYS LYS SEQRES 14 E 348 PHE GLU SER LEU ASN SER PRO HIS ASN LYS PHE TRP ILE SEQRES 15 E 348 PRO CYS VAL TRP PHE SER ASN LEU ALA VAL LYS ALA ARG SEQRES 16 E 348 ASN GLU GLY ARG ILE ARG ASP SER VAL LEU LEU GLN GLY SEQRES 17 E 348 ILE LEU ASN GLU LEU ASN THR LEU ARG SER GLN CYS GLY SEQRES 18 E 348 ARG LEU TYR GLY TYR ASP TRP ILE SER ILE PRO LEU VAL SEQRES 19 E 348 TYR THR GLN VAL VAL THR VAL ALA VAL TYR SER PHE PHE SEQRES 20 E 348 LEU ALA CYS LEU ILE GLY ARG GLN PHE LEU ASP PRO GLU SEQRES 21 E 348 LYS ALA TYR PRO GLY HIS GLU LEU ASP LEU PHE VAL PRO SEQRES 22 E 348 VAL PHE THR PHE LEU GLN PHE PHE PHE TYR ALA GLY TRP SEQRES 23 E 348 LEU LYS VAL ALA GLU GLN LEU ILE ASN PRO PHE GLY GLU SEQRES 24 E 348 ASP ASP ASP ASP PHE GLU THR ASN TRP LEU ILE ASP ARG SEQRES 25 E 348 ASN LEU GLN VAL SER LEU MET ALA VAL ASP GLU MET HIS SEQRES 26 E 348 GLN ASP LEU PRO ILE LEU GLU LYS ASP LEU TYR TRP ASN SEQRES 27 E 348 GLU PRO ASP PRO GLN GLU GLY GLU GLU PHE HET CA A 401 1 HET CA B 401 1 HET CA C 401 1 HET CA D 401 1 HET CA E 401 1 HETNAM CA CALCIUM ION FORMUL 6 CA 5(CA 2+) HELIX 1 AA1 TYR A 5 VAL A 9 5 5 HELIX 2 AA2 GLN A 19 GLN A 23 5 5 HELIX 3 AA3 SER A 27 TYR A 33 1 7 HELIX 4 AA4 SER A 34 ILE A 53 1 20 HELIX 5 AA5 SER A 55 ALA A 73 1 19 HELIX 6 AA6 GLU A 74 ILE A 76 5 3 HELIX 7 AA7 PRO A 77 GLU A 98 1 22 HELIX 8 AA8 PRO A 103 VAL A 114 1 12 HELIX 9 AA9 ASP A 118 SER A 144 1 27 HELIX 10 AB1 SER A 144 PHE A 151 1 8 HELIX 11 AB2 SER A 153 ALA A 160 1 8 HELIX 12 AB3 THR A 164 LEU A 174 1 11 HELIX 13 AB4 ILE A 183 GLU A 198 1 16 HELIX 14 AB5 ASP A 203 ILE A 230 1 28 HELIX 15 AB6 PRO A 233 ARG A 255 1 23 HELIX 16 AB7 ASP A 259 ALA A 263 5 5 HELIX 17 AB8 PRO A 274 ILE A 295 1 22 HELIX 18 AB9 GLU A 306 VAL A 322 1 17 HELIX 19 AC1 TYR B 5 VAL B 9 5 5 HELIX 20 AC2 GLN B 19 GLN B 23 5 5 HELIX 21 AC3 SER B 27 TYR B 33 1 7 HELIX 22 AC4 SER B 34 ILE B 53 1 20 HELIX 23 AC5 SER B 55 ALA B 73 1 19 HELIX 24 AC6 GLU B 74 ILE B 76 5 3 HELIX 25 AC7 PRO B 77 GLU B 98 1 22 HELIX 26 AC8 PRO B 103 VAL B 114 1 12 HELIX 27 AC9 ASP B 118 SER B 144 1 27 HELIX 28 AD1 SER B 144 PHE B 151 1 8 HELIX 29 AD2 SER B 153 ALA B 160 1 8 HELIX 30 AD3 THR B 164 LEU B 174 1 11 HELIX 31 AD4 ILE B 183 GLU B 198 1 16 HELIX 32 AD5 ASP B 203 ILE B 230 1 28 HELIX 33 AD6 PRO B 233 ARG B 255 1 23 HELIX 34 AD7 ASP B 259 ALA B 263 5 5 HELIX 35 AD8 PRO B 274 ILE B 295 1 22 HELIX 36 AD9 GLU B 306 VAL B 322 1 17 HELIX 37 AE1 TYR C 5 VAL C 9 5 5 HELIX 38 AE2 GLN C 19 GLN C 23 5 5 HELIX 39 AE3 SER C 27 TYR C 33 1 7 HELIX 40 AE4 SER C 34 ILE C 53 1 20 HELIX 41 AE5 SER C 55 ALA C 73 1 19 HELIX 42 AE6 GLU C 74 ILE C 76 5 3 HELIX 43 AE7 PRO C 77 GLU C 98 1 22 HELIX 44 AE8 PRO C 103 VAL C 114 1 12 HELIX 45 AE9 ASP C 118 SER C 144 1 27 HELIX 46 AF1 SER C 144 PHE C 151 1 8 HELIX 47 AF2 SER C 153 ALA C 160 1 8 HELIX 48 AF3 THR C 164 LEU C 174 1 11 HELIX 49 AF4 ILE C 183 GLU C 198 1 16 HELIX 50 AF5 ASP C 203 ILE C 230 1 28 HELIX 51 AF6 PRO C 233 ARG C 255 1 23 HELIX 52 AF7 ASP C 259 ALA C 263 5 5 HELIX 53 AF8 PRO C 274 ILE C 295 1 22 HELIX 54 AF9 GLU C 306 VAL C 322 1 17 HELIX 55 AG1 TYR D 5 VAL D 9 5 5 HELIX 56 AG2 GLN D 19 GLN D 23 5 5 HELIX 57 AG3 SER D 27 TYR D 33 1 7 HELIX 58 AG4 SER D 34 ILE D 53 1 20 HELIX 59 AG5 SER D 55 ALA D 73 1 19 HELIX 60 AG6 GLU D 74 ILE D 76 5 3 HELIX 61 AG7 PRO D 77 GLU D 98 1 22 HELIX 62 AG8 PRO D 103 VAL D 114 1 12 HELIX 63 AG9 ASP D 118 SER D 144 1 27 HELIX 64 AH1 SER D 144 PHE D 151 1 8 HELIX 65 AH2 SER D 153 ALA D 160 1 8 HELIX 66 AH3 THR D 164 LEU D 174 1 11 HELIX 67 AH4 ILE D 183 GLU D 198 1 16 HELIX 68 AH5 ASP D 203 ILE D 230 1 28 HELIX 69 AH6 PRO D 233 ARG D 255 1 23 HELIX 70 AH7 ASP D 259 ALA D 263 5 5 HELIX 71 AH8 PRO D 274 ILE D 295 1 22 HELIX 72 AH9 GLU D 306 VAL D 322 1 17 HELIX 73 AI1 TYR E 5 VAL E 9 5 5 HELIX 74 AI2 GLN E 19 GLN E 23 5 5 HELIX 75 AI3 SER E 27 TYR E 33 1 7 HELIX 76 AI4 SER E 34 ILE E 53 1 20 HELIX 77 AI5 SER E 55 ALA E 73 1 19 HELIX 78 AI6 GLU E 74 ILE E 76 5 3 HELIX 79 AI7 PRO E 77 GLU E 98 1 22 HELIX 80 AI8 PRO E 103 VAL E 114 1 12 HELIX 81 AI9 ASP E 118 SER E 144 1 27 HELIX 82 AJ1 SER E 144 PHE E 151 1 8 HELIX 83 AJ2 SER E 153 ALA E 160 1 8 HELIX 84 AJ3 THR E 164 LEU E 174 1 11 HELIX 85 AJ4 ILE E 183 GLU E 198 1 16 HELIX 86 AJ5 ASP E 203 ILE E 230 1 28 HELIX 87 AJ6 PRO E 233 ARG E 255 1 23 HELIX 88 AJ7 ASP E 259 ALA E 263 5 5 HELIX 89 AJ8 PRO E 274 ILE E 295 1 22 HELIX 90 AJ9 GLU E 306 VAL E 322 1 17 SSBOND 1 CYS A 135 CYS A 185 1555 1555 2.04 SSBOND 2 CYS B 135 CYS B 185 1555 1555 2.04 SSBOND 3 CYS C 135 CYS C 185 1555 1555 2.04 SSBOND 4 CYS D 135 CYS D 185 1555 1555 2.04 SSBOND 5 CYS E 135 CYS E 185 1555 1555 2.04 LINK O ALA A 10 CA CA E 401 1555 1555 2.37 LINK O GLN A 293 CA CA A 401 1555 1555 2.46 LINK O ASN A 296 CA CA A 401 1555 1555 2.22 LINK OD2 ASP A 301 CA CA A 401 1555 1555 2.51 LINK OD1 ASP A 304 CA CA A 401 1555 1555 2.62 LINK OD2 ASP A 304 CA CA A 401 1555 1555 2.30 LINK O ALA B 10 CA CA A 401 1555 1555 2.44 LINK O GLN B 293 CA CA B 401 1555 1555 2.46 LINK O ASN B 296 CA CA B 401 1555 1555 2.22 LINK OD2 ASP B 301 CA CA B 401 1555 1555 2.51 LINK OD1 ASP B 304 CA CA B 401 1555 1555 2.62 LINK OD2 ASP B 304 CA CA B 401 1555 1555 2.29 LINK O ALA C 10 CA CA B 401 1555 1555 2.44 LINK O GLN C 293 CA CA C 401 1555 1555 2.46 LINK O ASN C 296 CA CA C 401 1555 1555 2.22 LINK OD2 ASP C 301 CA CA C 401 1555 1555 2.51 LINK OD1 ASP C 304 CA CA C 401 1555 1555 2.62 LINK OD2 ASP C 304 CA CA C 401 1555 1555 2.29 LINK O ALA D 10 CA CA C 401 1555 1555 2.42 LINK O GLN D 293 CA CA D 401 1555 1555 2.46 LINK O ASN D 296 CA CA D 401 1555 1555 2.22 LINK OD2 ASP D 301 CA CA D 401 1555 1555 2.51 LINK OD1 ASP D 304 CA CA D 401 1555 1555 2.62 LINK OD2 ASP D 304 CA CA D 401 1555 1555 2.30 LINK O ALA E 10 CA CA D 401 1555 1555 2.42 LINK O GLN E 293 CA CA E 401 1555 1555 2.46 LINK O ASN E 296 CA CA E 401 1555 1555 2.22 LINK OD2 ASP E 301 CA CA E 401 1555 1555 2.51 LINK OD1 ASP E 304 CA CA E 401 1555 1555 2.62 LINK OD2 ASP E 304 CA CA E 401 1555 1555 2.29 SITE 1 AC1 5 GLN A 293 ASN A 296 ASP A 301 ASP A 304 SITE 2 AC1 5 ALA B 10 SITE 1 AC2 5 GLN B 293 ASN B 296 ASP B 301 ASP B 304 SITE 2 AC2 5 ALA C 10 SITE 1 AC3 5 GLN C 293 ASN C 296 ASP C 301 ASP C 304 SITE 2 AC3 5 ALA D 10 SITE 1 AC4 5 GLN D 293 ASN D 296 ASP D 301 ASP D 304 SITE 2 AC4 5 ALA E 10 SITE 1 AC5 5 ALA A 10 GLN E 293 ASN E 296 ASP E 301 SITE 2 AC5 5 ASP E 304 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