HEADER IMMUNE SYSTEM 25-AUG-21 7PKE TITLE C-REACTIVE PROTEIN PENTAMER AT PH 7.5 WITH PHOSPHOCHOLINE LIGAND COMPND MOL_ID: 1; COMPND 2 MOLECULE: C-REACTIVE PROTEIN; COMPND 3 CHAIN: E, D, C, B, A; COMPND 4 ENGINEERED: YES SOURCE MOL_ID: 1; SOURCE 2 ORGANISM_SCIENTIFIC: HOMO SAPIENS; SOURCE 3 ORGANISM_COMMON: HUMAN; SOURCE 4 ORGANISM_TAXID: 9606; SOURCE 5 GENE: CRP, PTX1; SOURCE 6 EXPRESSION_SYSTEM: ESCHERICHIA COLI; SOURCE 7 EXPRESSION_SYSTEM_TAXID: 562 KEYWDS C-REACTIVE PROTEIN, CRP, IMMUNE SYSTEM, INNATE IMMUNITY EXPDTA ELECTRON MICROSCOPY AUTHOR D.P.NOONE,T.H.SHARP REVDAT 2 12-JAN-22 7PKE 1 JRNL REVDAT 1 22-DEC-21 7PKE 0 JRNL AUTH D.P.NOONE,T.T.VAN DER VELDEN,T.H.SHARP JRNL TITL CRYO-ELECTRON MICROSCOPY AND BIOCHEMICAL ANALYSIS OFFER JRNL TITL 2 INSIGHTS INTO THE EFFECTS OF ACIDIC PH, SUCH AS OCCUR DURING JRNL TITL 3 ACIDOSIS, ON THE COMPLEMENT BINDING PROPERTIES OF C-REACTIVE JRNL TITL 4 PROTEIN. JRNL REF FRONT IMMUNOL V. 12 57633 2021 JRNL REFN ESSN 1664-3224 JRNL PMID 34975846 JRNL DOI 10.3389/FIMMU.2021.757633 REMARK 2 REMARK 2 RESOLUTION. 3.30 ANGSTROMS. REMARK 3 REMARK 3 REFINEMENT. REMARK 3 SOFTWARE PACKAGES : EMAN2, EPU, RELION, ISOLDE, PHENIX, REMARK 3 RELION, RELION, RELION, RELION REMARK 3 RECONSTRUCTION SCHEMA : NULL REMARK 3 REMARK 3 EM MAP-MODEL FITTING AND REFINEMENT REMARK 3 PDB ENTRY : 1B09 REMARK 3 REFINEMENT SPACE : NULL REMARK 3 REFINEMENT PROTOCOL : FLEXIBLE FIT REMARK 3 REFINEMENT TARGET : NULL REMARK 3 OVERALL ANISOTROPIC B VALUE : NULL 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) : 3.300 REMARK 3 NUMBER OF PARTICLES : 259507 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 7PKE COMPLIES WITH FORMAT V. 3.30, 13-JUL-11 REMARK 100 REMARK 100 THIS ENTRY HAS BEEN PROCESSED BY PDBE ON 25-AUG-21. REMARK 100 THE DEPOSITION ID IS D_1292117857. 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 : C-REACTIVE PROTEIN PENTAMER REMARK 245 SAMPLE CONCENTRATION (MG ML-1) : 6.00 REMARK 245 SAMPLE SUPPORT DETAILS : NULL 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 : 4599 REMARK 245 TEMPERATURE (KELVIN) : NULL REMARK 245 MICROSCOPE MODEL : FEI TITAN KRIOS REMARK 245 DETECTOR TYPE : GATAN K3 (6K X 4K) REMARK 245 MINIMUM DEFOCUS (NM) : 800.00 REMARK 245 MAXIMUM DEFOCUS (NM) : 2000.00 REMARK 245 MINIMUM TILT ANGLE (DEGREES) : NULL REMARK 245 MAXIMUM TILT ANGLE (DEGREES) : NULL REMARK 245 NOMINAL CS : 2.70 REMARK 245 IMAGING MODE : BRIGHT FIELD REMARK 245 ELECTRON DOSE (ELECTRONS NM**-2) : 5000.00 REMARK 245 ILLUMINATION MODE : FLOOD BEAM REMARK 245 NOMINAL MAGNIFICATION : 105000 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: E, D, C, B, 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 IN SAME ASYMMETRIC UNIT 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 OD2 ASP E 163 HD22 ASN E 183 1.53 REMARK 500 OD2 ASP D 163 HD22 ASN D 183 1.55 REMARK 500 OD1 ASP A 163 HD22 ASN A 183 1.59 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 VAL C 91 CG1 - CB - CG2 ANGL. DEV. = 10.6 DEGREES REMARK 500 VAL B 89 CG1 - CB - CG2 ANGL. DEV. = 11.5 DEGREES REMARK 500 VAL A 77 CG1 - CB - CG2 ANGL. DEV. = 10.4 DEGREES REMARK 500 ILE A 82 CG1 - CB - CG2 ANGL. DEV. = 13.6 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 ILE E 71 -56.93 -120.68 REMARK 500 PHE E 142 105.34 -58.78 REMARK 500 ALA E 189 50.99 -155.55 REMARK 500 GLU E 197 89.26 -69.47 REMARK 500 ARG D 6 13.60 59.40 REMARK 500 ASN D 61 69.90 -115.00 REMARK 500 ASP D 70 6.02 59.16 REMARK 500 PHE D 142 107.96 -58.02 REMARK 500 ALA D 189 51.23 -151.92 REMARK 500 ASP C 70 -7.00 60.06 REMARK 500 PHE C 142 107.59 -57.12 REMARK 500 ALA C 189 46.25 -152.09 REMARK 500 ASN B 61 67.75 -102.22 REMARK 500 ASP B 70 19.47 55.39 REMARK 500 ASN B 183 -12.13 -141.45 REMARK 500 ALA B 189 47.80 -152.84 REMARK 500 GLU B 197 89.58 -68.05 REMARK 500 PRO A 25 30.18 -80.81 REMARK 500 THR A 27 -46.35 -145.83 REMARK 500 ASN A 61 71.07 -110.99 REMARK 500 ASP A 70 2.50 59.50 REMARK 500 PHE A 142 108.54 -57.71 REMARK 500 ALA A 189 46.25 -155.59 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 302 CA REMARK 620 N RES CSSEQI ATOM REMARK 620 1 ASP E 60 OD2 REMARK 620 2 ASN E 61 OD1 77.2 REMARK 620 3 GLU E 138 OE2 99.1 83.1 REMARK 620 4 PC E 303 O3 118.0 156.4 76.8 REMARK 620 5 PC E 303 O2 173.0 109.8 82.2 55.5 REMARK 620 N 1 2 3 4 REMARK 620 REMARK 620 COORDINATION ANGLES FOR: M RES CSSEQI METAL REMARK 620 CA E 301 CA REMARK 620 N RES CSSEQI ATOM REMARK 620 1 GLU E 138 OE1 REMARK 620 2 ASP E 140 OD1 101.3 REMARK 620 3 ASP E 140 OD2 51.9 49.5 REMARK 620 4 GLN E 150 OE1 61.1 162.3 113.0 REMARK 620 5 PC E 303 O3 75.2 76.9 66.3 99.3 REMARK 620 6 PC E 303 O4 105.8 115.9 122.7 74.2 56.6 REMARK 620 N 1 2 3 4 5 REMARK 620 REMARK 620 COORDINATION ANGLES FOR: M RES CSSEQI METAL REMARK 620 CA D 302 CA REMARK 620 N RES CSSEQI ATOM REMARK 620 1 ASP D 60 OD2 REMARK 620 2 ASN D 61 OD1 77.9 REMARK 620 3 GLU D 138 OE2 145.9 82.6 REMARK 620 4 GLN D 139 O 100.4 92.8 108.3 REMARK 620 5 ASP D 140 OD2 115.6 162.1 90.3 73.8 REMARK 620 6 PC D 303 O4 93.6 104.8 64.7 159.5 86.7 REMARK 620 N 1 2 3 4 5 REMARK 620 REMARK 620 COORDINATION ANGLES FOR: M RES CSSEQI METAL REMARK 620 CA D 301 CA REMARK 620 N RES CSSEQI ATOM REMARK 620 1 ASP D 140 OD1 REMARK 620 2 ASP D 140 OD2 53.3 REMARK 620 3 GLN D 150 OE1 167.3 114.4 REMARK 620 4 PC D 303 O3 98.7 115.6 89.9 REMARK 620 N 1 2 3 REMARK 620 REMARK 620 COORDINATION ANGLES FOR: M RES CSSEQI METAL REMARK 620 CA C 302 CA REMARK 620 N RES CSSEQI ATOM REMARK 620 1 ASP C 60 OD2 REMARK 620 2 ASN C 61 OD1 76.2 REMARK 620 3 GLU C 138 OE1 142.6 119.6 REMARK 620 4 GLU C 138 OE2 132.6 65.6 54.6 REMARK 620 5 ASP C 140 OD1 89.0 156.1 63.1 115.3 REMARK 620 6 PC C 303 O4 99.7 139.1 88.5 127.4 61.3 REMARK 620 7 PC C 303 O2 124.1 92.0 90.7 85.5 111.9 56.0 REMARK 620 N 1 2 3 4 5 6 REMARK 620 REMARK 620 COORDINATION ANGLES FOR: M RES CSSEQI METAL REMARK 620 CA C 301 CA REMARK 620 N RES CSSEQI ATOM REMARK 620 1 GLU C 138 OE1 REMARK 620 2 ASP C 140 OD1 57.9 REMARK 620 3 ASP C 140 OD2 101.8 56.2 REMARK 620 4 GLU C 147 OE1 167.1 130.0 79.5 REMARK 620 5 GLN C 150 OE1 87.2 144.8 137.9 83.5 REMARK 620 6 PC C 303 O3 96.1 109.8 142.0 90.3 75.7 REMARK 620 7 PC C 303 O4 73.3 57.5 101.3 119.2 120.6 52.5 REMARK 620 N 1 2 3 4 5 6 REMARK 620 REMARK 620 COORDINATION ANGLES FOR: M RES CSSEQI METAL REMARK 620 CA B 302 CA REMARK 620 N RES CSSEQI ATOM REMARK 620 1 ASP B 60 OD2 REMARK 620 2 ASN B 61 OD1 67.3 REMARK 620 3 GLU B 138 OE1 139.8 128.0 REMARK 620 4 GLU B 138 OE2 129.0 74.2 54.5 REMARK 620 5 GLN B 139 O 80.1 89.3 65.0 66.9 REMARK 620 6 ASP B 140 OD1 87.2 153.9 68.5 121.8 80.2 REMARK 620 7 PC B 303 O3 94.7 93.3 118.0 120.2 172.8 94.7 REMARK 620 8 PC B 303 O4 145.6 117.8 66.8 82.1 131.6 86.4 52.4 REMARK 620 N 1 2 3 4 5 6 7 REMARK 620 REMARK 620 COORDINATION ANGLES FOR: M RES CSSEQI METAL REMARK 620 CA B 301 CA REMARK 620 N RES CSSEQI ATOM REMARK 620 1 GLU B 138 OE1 REMARK 620 2 ASP B 140 OD1 55.6 REMARK 620 3 ASP B 140 OD2 97.0 53.3 REMARK 620 4 GLN B 150 OE1 87.4 141.9 153.8 REMARK 620 5 PC B 303 O1 90.4 62.0 90.3 115.5 REMARK 620 6 PC B 303 O4 60.7 82.0 133.5 70.8 53.1 REMARK 620 N 1 2 3 4 5 REMARK 620 REMARK 620 COORDINATION ANGLES FOR: M RES CSSEQI METAL REMARK 620 CA A 302 CA REMARK 620 N RES CSSEQI ATOM REMARK 620 1 ASP A 60 OD2 REMARK 620 2 ASN A 61 OD1 71.1 REMARK 620 3 GLU A 138 OE1 153.9 126.7 REMARK 620 4 GLU A 138 OE2 139.8 71.9 55.1 REMARK 620 5 GLN A 139 O 91.4 88.6 71.9 72.7 REMARK 620 6 ASP A 140 OD2 93.3 162.6 70.7 125.1 99.8 REMARK 620 7 PC A 303 O3 101.7 96.1 95.6 97.2 166.9 79.0 REMARK 620 N 1 2 3 4 5 6 REMARK 620 REMARK 620 COORDINATION ANGLES FOR: M RES CSSEQI METAL REMARK 620 CA A 301 CA REMARK 620 N RES CSSEQI ATOM REMARK 620 1 GLU A 138 OE1 REMARK 620 2 ASP A 140 OD1 98.9 REMARK 620 3 ASP A 140 OD2 69.8 56.7 REMARK 620 4 GLU A 147 OE1 169.1 73.3 110.4 REMARK 620 5 GLN A 150 OE1 100.9 126.7 170.6 78.7 REMARK 620 6 PC A 303 O1 112.7 100.4 69.4 76.7 116.1 REMARK 620 7 PC A 303 O4 80.8 157.9 103.5 109.4 74.5 60.4 REMARK 620 N 1 2 3 4 5 6 REMARK 900 REMARK 900 RELATED ENTRIES REMARK 900 RELATED ID: EMD-13469 RELATED DB: EMDB REMARK 900 C-REACTIVE PROTEIN PENTAMER AT PH 7.5 WITH PHOSPHOCHOLINE LIGAND DBREF 7PKE E 1 206 UNP P02741 CRP_HUMAN 19 224 DBREF 7PKE D 1 206 UNP P02741 CRP_HUMAN 19 224 DBREF 7PKE C 1 206 UNP P02741 CRP_HUMAN 19 224 DBREF 7PKE B 1 206 UNP P02741 CRP_HUMAN 19 224 DBREF 7PKE A 1 206 UNP P02741 CRP_HUMAN 19 224 SEQRES 1 E 206 GLN THR ASP MET SER ARG LYS ALA PHE VAL PHE PRO LYS SEQRES 2 E 206 GLU SER ASP THR SER TYR VAL SER LEU LYS ALA PRO LEU SEQRES 3 E 206 THR LYS PRO LEU LYS ALA PHE THR VAL CYS LEU HIS PHE SEQRES 4 E 206 TYR THR GLU LEU SER SER THR ARG GLY TYR SER ILE PHE SEQRES 5 E 206 SER TYR ALA THR LYS ARG GLN ASP ASN GLU ILE LEU ILE SEQRES 6 E 206 PHE TRP SER LYS ASP ILE GLY TYR SER PHE THR VAL GLY SEQRES 7 E 206 GLY SER GLU ILE LEU PHE GLU VAL PRO GLU VAL THR VAL SEQRES 8 E 206 ALA PRO VAL HIS ILE CYS THR SER TRP GLU SER ALA SER SEQRES 9 E 206 GLY ILE VAL GLU PHE TRP VAL ASP GLY LYS PRO ARG VAL SEQRES 10 E 206 ARG LYS SER LEU LYS LYS GLY TYR THR VAL GLY ALA GLU SEQRES 11 E 206 ALA SER ILE ILE LEU GLY GLN GLU GLN ASP SER PHE GLY SEQRES 12 E 206 GLY ASN PHE GLU GLY SER GLN SER LEU VAL GLY ASP ILE SEQRES 13 E 206 GLY ASN VAL ASN MET TRP ASP PHE VAL LEU SER PRO ASP SEQRES 14 E 206 GLU ILE ASN THR ILE TYR LEU GLY GLY PRO PHE SER PRO SEQRES 15 E 206 ASN VAL LEU ASN TRP ARG ALA LEU LYS TYR GLU VAL GLN SEQRES 16 E 206 GLY GLU VAL PHE THR LYS PRO GLN LEU TRP PRO SEQRES 1 D 206 GLN THR ASP MET SER ARG LYS ALA PHE VAL PHE PRO LYS SEQRES 2 D 206 GLU SER ASP THR SER TYR VAL SER LEU LYS ALA PRO LEU SEQRES 3 D 206 THR LYS PRO LEU LYS ALA PHE THR VAL CYS LEU HIS PHE SEQRES 4 D 206 TYR THR GLU LEU SER SER THR ARG GLY TYR SER ILE PHE SEQRES 5 D 206 SER TYR ALA THR LYS ARG GLN ASP ASN GLU ILE LEU ILE SEQRES 6 D 206 PHE TRP SER LYS ASP ILE GLY TYR SER PHE THR VAL GLY SEQRES 7 D 206 GLY SER GLU ILE LEU PHE GLU VAL PRO GLU VAL THR VAL SEQRES 8 D 206 ALA PRO VAL HIS ILE CYS THR SER TRP GLU SER ALA SER SEQRES 9 D 206 GLY ILE VAL GLU PHE TRP VAL ASP GLY LYS PRO ARG VAL SEQRES 10 D 206 ARG LYS SER LEU LYS LYS GLY TYR THR VAL GLY ALA GLU SEQRES 11 D 206 ALA SER ILE ILE LEU GLY GLN GLU GLN ASP SER PHE GLY SEQRES 12 D 206 GLY ASN PHE GLU GLY SER GLN SER LEU VAL GLY ASP ILE SEQRES 13 D 206 GLY ASN VAL ASN MET TRP ASP PHE VAL LEU SER PRO ASP SEQRES 14 D 206 GLU ILE ASN THR ILE TYR LEU GLY GLY PRO PHE SER PRO SEQRES 15 D 206 ASN VAL LEU ASN TRP ARG ALA LEU LYS TYR GLU VAL GLN SEQRES 16 D 206 GLY GLU VAL PHE THR LYS PRO GLN LEU TRP PRO SEQRES 1 C 206 GLN THR ASP MET SER ARG LYS ALA PHE VAL PHE PRO LYS SEQRES 2 C 206 GLU SER ASP THR SER TYR VAL SER LEU LYS ALA PRO LEU SEQRES 3 C 206 THR LYS PRO LEU LYS ALA PHE THR VAL CYS LEU HIS PHE SEQRES 4 C 206 TYR THR GLU LEU SER SER THR ARG GLY TYR SER ILE PHE SEQRES 5 C 206 SER TYR ALA THR LYS ARG GLN ASP ASN GLU ILE LEU ILE SEQRES 6 C 206 PHE TRP SER LYS ASP ILE GLY TYR SER PHE THR VAL GLY SEQRES 7 C 206 GLY SER GLU ILE LEU PHE GLU VAL PRO GLU VAL THR VAL SEQRES 8 C 206 ALA PRO VAL HIS ILE CYS THR SER TRP GLU SER ALA SER SEQRES 9 C 206 GLY ILE VAL GLU PHE TRP VAL ASP GLY LYS PRO ARG VAL SEQRES 10 C 206 ARG LYS SER LEU LYS LYS GLY TYR THR VAL GLY ALA GLU SEQRES 11 C 206 ALA SER ILE ILE LEU GLY GLN GLU GLN ASP SER PHE GLY SEQRES 12 C 206 GLY ASN PHE GLU GLY SER GLN SER LEU VAL GLY ASP ILE SEQRES 13 C 206 GLY ASN VAL ASN MET TRP ASP PHE VAL LEU SER PRO ASP SEQRES 14 C 206 GLU ILE ASN THR ILE TYR LEU GLY GLY PRO PHE SER PRO SEQRES 15 C 206 ASN VAL LEU ASN TRP ARG ALA LEU LYS TYR GLU VAL GLN SEQRES 16 C 206 GLY GLU VAL PHE THR LYS PRO GLN LEU TRP PRO SEQRES 1 B 206 GLN THR ASP MET SER ARG LYS ALA PHE VAL PHE PRO LYS SEQRES 2 B 206 GLU SER ASP THR SER TYR VAL SER LEU LYS ALA PRO LEU SEQRES 3 B 206 THR LYS PRO LEU LYS ALA PHE THR VAL CYS LEU HIS PHE SEQRES 4 B 206 TYR THR GLU LEU SER SER THR ARG GLY TYR SER ILE PHE SEQRES 5 B 206 SER TYR ALA THR LYS ARG GLN ASP ASN GLU ILE LEU ILE SEQRES 6 B 206 PHE TRP SER LYS ASP ILE GLY TYR SER PHE THR VAL GLY SEQRES 7 B 206 GLY SER GLU ILE LEU PHE GLU VAL PRO GLU VAL THR VAL SEQRES 8 B 206 ALA PRO VAL HIS ILE CYS THR SER TRP GLU SER ALA SER SEQRES 9 B 206 GLY ILE VAL GLU PHE TRP VAL ASP GLY LYS PRO ARG VAL SEQRES 10 B 206 ARG LYS SER LEU LYS LYS GLY TYR THR VAL GLY ALA GLU SEQRES 11 B 206 ALA SER ILE ILE LEU GLY GLN GLU GLN ASP SER PHE GLY SEQRES 12 B 206 GLY ASN PHE GLU GLY SER GLN SER LEU VAL GLY ASP ILE SEQRES 13 B 206 GLY ASN VAL ASN MET TRP ASP PHE VAL LEU SER PRO ASP SEQRES 14 B 206 GLU ILE ASN THR ILE TYR LEU GLY GLY PRO PHE SER PRO SEQRES 15 B 206 ASN VAL LEU ASN TRP ARG ALA LEU LYS TYR GLU VAL GLN SEQRES 16 B 206 GLY GLU VAL PHE THR LYS PRO GLN LEU TRP PRO SEQRES 1 A 206 GLN THR ASP MET SER ARG LYS ALA PHE VAL PHE PRO LYS SEQRES 2 A 206 GLU SER ASP THR SER TYR VAL SER LEU LYS ALA PRO LEU SEQRES 3 A 206 THR LYS PRO LEU LYS ALA PHE THR VAL CYS LEU HIS PHE SEQRES 4 A 206 TYR THR GLU LEU SER SER THR ARG GLY TYR SER ILE PHE SEQRES 5 A 206 SER TYR ALA THR LYS ARG GLN ASP ASN GLU ILE LEU ILE SEQRES 6 A 206 PHE TRP SER LYS ASP ILE GLY TYR SER PHE THR VAL GLY SEQRES 7 A 206 GLY SER GLU ILE LEU PHE GLU VAL PRO GLU VAL THR VAL SEQRES 8 A 206 ALA PRO VAL HIS ILE CYS THR SER TRP GLU SER ALA SER SEQRES 9 A 206 GLY ILE VAL GLU PHE TRP VAL ASP GLY LYS PRO ARG VAL SEQRES 10 A 206 ARG LYS SER LEU LYS LYS GLY TYR THR VAL GLY ALA GLU SEQRES 11 A 206 ALA SER ILE ILE LEU GLY GLN GLU GLN ASP SER PHE GLY SEQRES 12 A 206 GLY ASN PHE GLU GLY SER GLN SER LEU VAL GLY ASP ILE SEQRES 13 A 206 GLY ASN VAL ASN MET TRP ASP PHE VAL LEU SER PRO ASP SEQRES 14 A 206 GLU ILE ASN THR ILE TYR LEU GLY GLY PRO PHE SER PRO SEQRES 15 A 206 ASN VAL LEU ASN TRP ARG ALA LEU LYS TYR GLU VAL GLN SEQRES 16 A 206 GLY GLU VAL PHE THR LYS PRO GLN LEU TRP PRO HET CA E 301 1 HET CA E 302 1 HET PC E 303 24 HET CA D 301 1 HET CA D 302 1 HET PC D 303 24 HET CA C 301 1 HET CA C 302 1 HET PC C 303 24 HET CA B 301 1 HET CA B 302 1 HET PC B 303 24 HET CA A 301 1 HET CA A 302 1 HET PC A 303 24 HETNAM CA CALCIUM ION HETNAM PC PHOSPHOCHOLINE FORMUL 6 CA 10(CA 2+) FORMUL 8 PC 5(C5 H15 N O4 P 1+) FORMUL 21 HOH *5(H2 O) HELIX 1 AA1 GLU E 42 THR E 46 5 5 HELIX 2 AA2 GLU E 147 SER E 151 5 5 HELIX 3 AA3 SER E 167 LEU E 176 1 10 HELIX 4 AA4 ASN E 186 LEU E 190 5 5 HELIX 5 AA5 GLU D 42 THR D 46 5 5 HELIX 6 AA6 GLU D 147 SER D 151 5 5 HELIX 7 AA7 SER D 167 LEU D 176 1 10 HELIX 8 AA8 ASN D 186 LEU D 190 5 5 HELIX 9 AA9 GLU C 42 THR C 46 5 5 HELIX 10 AB1 GLU C 147 SER C 151 5 5 HELIX 11 AB2 SER C 167 LEU C 176 1 10 HELIX 12 AB3 ASN C 186 LEU C 190 5 5 HELIX 13 AB4 GLU B 42 THR B 46 5 5 HELIX 14 AB5 GLU B 147 SER B 151 5 5 HELIX 15 AB6 SER B 167 LEU B 176 1 10 HELIX 16 AB7 ASN B 186 LEU B 190 5 5 HELIX 17 AB8 GLU A 42 THR A 46 5 5 HELIX 18 AB9 GLU A 147 SER A 151 5 5 HELIX 19 AC1 SER A 167 LEU A 176 1 10 HELIX 20 AC2 ASN A 186 LEU A 190 5 5 SHEET 1 AA1 3 LYS E 114 PRO E 115 0 SHEET 2 AA1 3 ILE E 106 VAL E 111 -1 N VAL E 111 O LYS E 114 SHEET 3 AA1 3 LYS E 119 SER E 120 -1 O LYS E 119 N VAL E 107 SHEET 1 AA2 7 LYS E 114 PRO E 115 0 SHEET 2 AA2 7 ILE E 106 VAL E 111 -1 N VAL E 111 O LYS E 114 SHEET 3 AA2 7 VAL E 94 GLU E 101 -1 N CYS E 97 O TRP E 110 SHEET 4 AA2 7 ALA E 32 TYR E 40 -1 N VAL E 35 O THR E 98 SHEET 5 AA2 7 GLY E 154 TRP E 162 -1 O GLY E 157 N HIS E 38 SHEET 6 AA2 7 LYS E 7 PHE E 11 -1 N PHE E 11 O GLY E 154 SHEET 7 AA2 7 PHE E 199 PRO E 202 -1 O PHE E 199 N VAL E 10 SHEET 1 AA3 7 SER E 80 GLU E 85 0 SHEET 2 AA3 7 GLY E 72 VAL E 77 -1 N TYR E 73 O PHE E 84 SHEET 3 AA3 7 GLN E 59 SER E 68 -1 N PHE E 66 O SER E 74 SHEET 4 AA3 7 TYR E 49 THR E 56 -1 N TYR E 54 O ILE E 63 SHEET 5 AA3 7 ALA E 131 LEU E 135 -1 O SER E 132 N ALA E 55 SHEET 6 AA3 7 TYR E 19 LEU E 22 -1 N VAL E 20 O LEU E 135 SHEET 7 AA3 7 TYR E 192 GLN E 195 -1 O GLN E 195 N TYR E 19 SHEET 1 AA4 3 LYS D 114 PRO D 115 0 SHEET 2 AA4 3 ILE D 106 VAL D 111 -1 N VAL D 111 O LYS D 114 SHEET 3 AA4 3 LYS D 119 SER D 120 -1 O LYS D 119 N VAL D 107 SHEET 1 AA5 7 LYS D 114 PRO D 115 0 SHEET 2 AA5 7 ILE D 106 VAL D 111 -1 N VAL D 111 O LYS D 114 SHEET 3 AA5 7 VAL D 94 GLU D 101 -1 N CYS D 97 O TRP D 110 SHEET 4 AA5 7 ALA D 32 TYR D 40 -1 N VAL D 35 O THR D 98 SHEET 5 AA5 7 GLY D 154 TRP D 162 -1 O GLY D 157 N HIS D 38 SHEET 6 AA5 7 LYS D 7 PHE D 11 -1 N PHE D 11 O GLY D 154 SHEET 7 AA5 7 PHE D 199 PRO D 202 -1 O LYS D 201 N ALA D 8 SHEET 1 AA6 7 SER D 80 GLU D 85 0 SHEET 2 AA6 7 GLY D 72 VAL D 77 -1 N TYR D 73 O PHE D 84 SHEET 3 AA6 7 GLN D 59 SER D 68 -1 N PHE D 66 O SER D 74 SHEET 4 AA6 7 TYR D 49 THR D 56 -1 N TYR D 54 O ILE D 63 SHEET 5 AA6 7 ALA D 131 LEU D 135 -1 O ILE D 134 N SER D 53 SHEET 6 AA6 7 TYR D 19 LEU D 22 -1 N VAL D 20 O LEU D 135 SHEET 7 AA6 7 TYR D 192 GLN D 195 -1 O GLN D 195 N TYR D 19 SHEET 1 AA7 3 LYS C 114 PRO C 115 0 SHEET 2 AA7 3 ILE C 106 VAL C 111 -1 N VAL C 111 O LYS C 114 SHEET 3 AA7 3 LYS C 119 SER C 120 -1 O LYS C 119 N VAL C 107 SHEET 1 AA8 7 LYS C 114 PRO C 115 0 SHEET 2 AA8 7 ILE C 106 VAL C 111 -1 N VAL C 111 O LYS C 114 SHEET 3 AA8 7 VAL C 94 GLU C 101 -1 N CYS C 97 O TRP C 110 SHEET 4 AA8 7 ALA C 32 TYR C 40 -1 N VAL C 35 O THR C 98 SHEET 5 AA8 7 GLY C 154 TRP C 162 -1 O GLY C 157 N HIS C 38 SHEET 6 AA8 7 LYS C 7 PHE C 11 -1 N PHE C 11 O GLY C 154 SHEET 7 AA8 7 PHE C 199 PRO C 202 -1 O PHE C 199 N VAL C 10 SHEET 1 AA9 7 SER C 80 GLU C 85 0 SHEET 2 AA9 7 GLY C 72 VAL C 77 -1 N TYR C 73 O PHE C 84 SHEET 3 AA9 7 GLN C 59 SER C 68 -1 N PHE C 66 O SER C 74 SHEET 4 AA9 7 TYR C 49 THR C 56 -1 N TYR C 54 O ILE C 63 SHEET 5 AA9 7 ALA C 131 LEU C 135 -1 O SER C 132 N ALA C 55 SHEET 6 AA9 7 TYR C 19 LEU C 22 -1 N LEU C 22 O ILE C 133 SHEET 7 AA9 7 TYR C 192 GLN C 195 -1 O GLN C 195 N TYR C 19 SHEET 1 AB1 3 LYS B 114 PRO B 115 0 SHEET 2 AB1 3 ILE B 106 VAL B 111 -1 N VAL B 111 O LYS B 114 SHEET 3 AB1 3 LYS B 119 SER B 120 -1 O LYS B 119 N VAL B 107 SHEET 1 AB2 7 LYS B 114 PRO B 115 0 SHEET 2 AB2 7 ILE B 106 VAL B 111 -1 N VAL B 111 O LYS B 114 SHEET 3 AB2 7 VAL B 94 GLU B 101 -1 N CYS B 97 O TRP B 110 SHEET 4 AB2 7 ALA B 32 TYR B 40 -1 N VAL B 35 O THR B 98 SHEET 5 AB2 7 GLY B 154 TRP B 162 -1 O GLY B 157 N HIS B 38 SHEET 6 AB2 7 LYS B 7 PHE B 11 -1 N PHE B 11 O GLY B 154 SHEET 7 AB2 7 PHE B 199 PRO B 202 -1 O LYS B 201 N ALA B 8 SHEET 1 AB3 7 SER B 80 GLU B 85 0 SHEET 2 AB3 7 GLY B 72 VAL B 77 -1 N TYR B 73 O PHE B 84 SHEET 3 AB3 7 GLN B 59 SER B 68 -1 N PHE B 66 O SER B 74 SHEET 4 AB3 7 TYR B 49 THR B 56 -1 N TYR B 54 O ILE B 63 SHEET 5 AB3 7 ALA B 131 LEU B 135 -1 O ILE B 134 N SER B 53 SHEET 6 AB3 7 TYR B 19 LEU B 22 -1 N VAL B 20 O LEU B 135 SHEET 7 AB3 7 TYR B 192 GLN B 195 -1 O GLN B 195 N TYR B 19 SHEET 1 AB4 3 LYS A 114 PRO A 115 0 SHEET 2 AB4 3 ILE A 106 VAL A 111 -1 N VAL A 111 O LYS A 114 SHEET 3 AB4 3 LYS A 119 SER A 120 -1 O LYS A 119 N VAL A 107 SHEET 1 AB5 7 LYS A 114 PRO A 115 0 SHEET 2 AB5 7 ILE A 106 VAL A 111 -1 N VAL A 111 O LYS A 114 SHEET 3 AB5 7 VAL A 94 GLU A 101 -1 N CYS A 97 O TRP A 110 SHEET 4 AB5 7 ALA A 32 TYR A 40 -1 N VAL A 35 O THR A 98 SHEET 5 AB5 7 GLY A 154 TRP A 162 -1 O GLY A 157 N HIS A 38 SHEET 6 AB5 7 LYS A 7 PHE A 11 -1 N PHE A 11 O GLY A 154 SHEET 7 AB5 7 PHE A 199 PRO A 202 -1 O PHE A 199 N VAL A 10 SHEET 1 AB6 7 SER A 80 GLU A 85 0 SHEET 2 AB6 7 GLY A 72 VAL A 77 -1 N TYR A 73 O PHE A 84 SHEET 3 AB6 7 GLN A 59 SER A 68 -1 N PHE A 66 O SER A 74 SHEET 4 AB6 7 TYR A 49 THR A 56 -1 N THR A 56 O GLN A 59 SHEET 5 AB6 7 ALA A 131 LEU A 135 -1 O SER A 132 N ALA A 55 SHEET 6 AB6 7 TYR A 19 LEU A 22 -1 N VAL A 20 O LEU A 135 SHEET 7 AB6 7 TYR A 192 GLN A 195 -1 O GLN A 195 N TYR A 19 SSBOND 1 CYS E 36 CYS E 97 1555 1555 2.03 SSBOND 2 CYS D 36 CYS D 97 1555 1555 2.03 SSBOND 3 CYS C 36 CYS C 97 1555 1555 2.03 SSBOND 4 CYS B 36 CYS B 97 1555 1555 2.03 SSBOND 5 CYS A 36 CYS A 97 1555 1555 2.03 LINK OD2 ASP E 60 CA CA E 302 1555 1555 2.31 LINK OD1 ASN E 61 CA CA E 302 1555 1555 2.27 LINK OE1 GLU E 138 CA CA E 301 1555 1555 2.23 LINK OE2 GLU E 138 CA CA E 302 1555 1555 2.23 LINK OD1 ASP E 140 CA CA E 301 1555 1555 2.37 LINK OD2 ASP E 140 CA CA E 301 1555 1555 2.78 LINK OE1 GLN E 150 CA CA E 301 1555 1555 2.89 LINK CA CA E 301 O3 PC E 303 1555 1555 2.67 LINK CA CA E 301 O4 PC E 303 1555 1555 2.56 LINK CA CA E 302 O3 PC E 303 1555 1555 2.13 LINK CA CA E 302 O2 PC E 303 1555 1555 3.04 LINK OD2 ASP D 60 CA CA D 302 1555 1555 2.42 LINK OD1 ASN D 61 CA CA D 302 1555 1555 2.53 LINK OE2 GLU D 138 CA CA D 302 1555 1555 2.27 LINK O GLN D 139 CA CA D 302 1555 1555 2.50 LINK OD1 ASP D 140 CA CA D 301 1555 1555 2.30 LINK OD2 ASP D 140 CA CA D 301 1555 1555 2.55 LINK OD2 ASP D 140 CA CA D 302 1555 1555 2.50 LINK OE1 GLN D 150 CA CA D 301 1555 1555 2.56 LINK CA CA D 301 O3 PC D 303 1555 1555 2.70 LINK CA CA D 302 O4 PC D 303 1555 1555 2.24 LINK OD2 ASP C 60 CA CA C 302 1555 1555 2.50 LINK OD1 ASN C 61 CA CA C 302 1555 1555 2.34 LINK OE1 GLU C 138 CA CA C 301 1555 1555 2.70 LINK OE1 GLU C 138 CA CA C 302 1555 1555 2.27 LINK OE2 GLU C 138 CA CA C 302 1555 1555 2.47 LINK OD1 ASP C 140 CA CA C 301 1555 1555 2.30 LINK OD2 ASP C 140 CA CA C 301 1555 1555 2.35 LINK OD1 ASP C 140 CA CA C 302 1555 1555 2.40 LINK OE1 GLU C 147 CA CA C 301 1555 1555 2.19 LINK OE1 GLN C 150 CA CA C 301 1555 1555 2.32 LINK CA CA C 301 O3 PC C 303 1555 1555 3.11 LINK CA CA C 301 O4 PC C 303 1555 1555 2.65 LINK CA CA C 302 O4 PC C 303 1555 1555 2.31 LINK CA CA C 302 O2 PC C 303 1555 1555 3.04 LINK OD2 ASP B 60 CA CA B 302 1555 1555 2.60 LINK OD1 ASN B 61 CA CA B 302 1555 1555 2.47 LINK OE1 GLU B 138 CA CA B 301 1555 1555 3.00 LINK OE1 GLU B 138 CA CA B 302 1555 1555 2.36 LINK OE2 GLU B 138 CA CA B 302 1555 1555 2.41 LINK O GLN B 139 CA CA B 302 1555 1555 2.70 LINK OD1 ASP B 140 CA CA B 301 1555 1555 2.58 LINK OD2 ASP B 140 CA CA B 301 1555 1555 2.26 LINK OD1 ASP B 140 CA CA B 302 1555 1555 2.31 LINK OE1 GLN B 150 CA CA B 301 1555 1555 2.24 LINK CA CA B 301 O1 PC B 303 1555 1555 2.27 LINK CA CA B 301 O4 PC B 303 1555 1555 3.18 LINK CA CA B 302 O3 PC B 303 1555 1555 2.30 LINK CA CA B 302 O4 PC B 303 1555 1555 3.18 LINK OD2 ASP A 60 CA CA A 302 1555 1555 2.47 LINK OD1 ASN A 61 CA CA A 302 1555 1555 2.46 LINK OE1 GLU A 138 CA CA A 301 1555 1555 2.45 LINK OE1 GLU A 138 CA CA A 302 1555 1555 2.31 LINK OE2 GLU A 138 CA CA A 302 1555 1555 2.41 LINK O GLN A 139 CA CA A 302 1555 1555 2.25 LINK OD1 ASP A 140 CA CA A 301 1555 1555 2.30 LINK OD2 ASP A 140 CA CA A 301 1555 1555 2.31 LINK OD2 ASP A 140 CA CA A 302 1555 1555 2.39 LINK OE1 GLU A 147 CA CA A 301 1555 1555 2.21 LINK OE1 GLN A 150 CA CA A 301 1555 1555 2.27 LINK CA CA A 301 O1 PC A 303 1555 1555 2.32 LINK CA CA A 301 O4 PC A 303 1555 1555 2.73 LINK CA CA A 302 O3 PC A 303 1555 1555 2.19 CRYST1 1.000 1.000 1.000 90.00 90.00 90.00 P 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