HEADER TRANSPORT PROTEIN 02-JUN-20 6X9H TITLE MOLECULAR MECHANISM AND STRUCTURAL BASIS OF SMALL-MOLECULE MODULATION TITLE 2 OF ACID-SENSING ION CHANNEL 1 (ASIC1) COMPND MOL_ID: 1; COMPND 2 MOLECULE: ACID-SENSING ION CHANNEL 1; COMPND 3 CHAIN: A, B, C; COMPND 4 SYNONYM: ASIC1,AMILORIDE-SENSITIVE CATION CHANNEL 2,NEURONAL; COMPND 5 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: ASIC1, ACCN2; SOURCE 6 EXPRESSION_SYSTEM: SPODOPTERA FRUGIPERDA; SOURCE 7 EXPRESSION_SYSTEM_TAXID: 7108; SOURCE 8 EXPRESSION_SYSTEM_CELL_LINE: SF9 KEYWDS ASIC1, MODULATION, MEMBRANE PROTEIN, TRANSPORT PROTEIN EXPDTA X-RAY DIFFRACTION AUTHOR Y.LIU,J.MA,R.L.DESJARLAIS,R.HAGAN,J.RECH,D.LIN,C.LIU,R.MILLER, AUTHOR 2 J.SCHOELLERMAN,J.LUO,M.LETAVIC,B.GRASBERGER,M.MAHER REVDAT 4 13-NOV-24 6X9H 1 REMARK REVDAT 3 18-OCT-23 6X9H 1 REMARK REVDAT 2 14-JUL-21 6X9H 1 JRNL REVDAT 1 30-DEC-20 6X9H 0 JRNL AUTH Y.LIU,J.MA,R.L.DESJARLAIS,R.HAGAN,J.RECH,D.LIN,C.LIU, JRNL AUTH 2 R.MILLER,J.SCHOELLERMAN,J.LUO,M.LETAVIC,B.GRASBERGER,M.MAHER JRNL TITL MOLECULAR MECHANISM AND STRUCTURAL BASIS OF SMALL-MOLECULE JRNL TITL 2 MODULATION OF THE GATING OF ACID-SENSING ION CHANNEL 1. JRNL REF COMMUN BIOL V. 4 174 2021 JRNL REFN ESSN 2399-3642 JRNL PMID 33564124 JRNL DOI 10.1038/S42003-021-01678-1 REMARK 2 REMARK 2 RESOLUTION. 3.01 ANGSTROMS. REMARK 3 REMARK 3 REFINEMENT. REMARK 3 PROGRAM : PHENIX 1.18_3855 REMARK 3 AUTHORS : PAUL ADAMS,PAVEL AFONINE,VINCENT CHEN,IAN REMARK 3 : DAVIS,KRESHNA GOPAL,RALF GROSSE-KUNSTLEVE, REMARK 3 : LI-WEI HUNG,ROBERT IMMORMINO,TOM IOERGER, REMARK 3 : AIRLIE MCCOY,ERIK MCKEE,NIGEL MORIARTY, REMARK 3 : REETAL PAI,RANDY READ,JANE RICHARDSON, REMARK 3 : DAVID RICHARDSON,TOD ROMO,JIM SACCHETTINI, REMARK 3 : NICHOLAS SAUTER,JACOB SMITH,LAURENT REMARK 3 : STORONI,TOM TERWILLIGER,PETER ZWART REMARK 3 REMARK 3 REFINEMENT TARGET : ML REMARK 3 REMARK 3 DATA USED IN REFINEMENT. REMARK 3 RESOLUTION RANGE HIGH (ANGSTROMS) : 3.01 REMARK 3 RESOLUTION RANGE LOW (ANGSTROMS) : 35.84 REMARK 3 MIN(FOBS/SIGMA_FOBS) : 1.350 REMARK 3 COMPLETENESS FOR RANGE (%) : 97.9 REMARK 3 NUMBER OF REFLECTIONS : 48197 REMARK 3 REMARK 3 FIT TO DATA USED IN REFINEMENT. REMARK 3 R VALUE (WORKING + TEST SET) : 0.226 REMARK 3 R VALUE (WORKING SET) : 0.224 REMARK 3 FREE R VALUE : 0.265 REMARK 3 FREE R VALUE TEST SET SIZE (%) : 4.730 REMARK 3 FREE R VALUE TEST SET COUNT : 2280 REMARK 3 REMARK 3 FIT TO DATA USED IN REFINEMENT (IN BINS). REMARK 3 BIN RESOLUTION RANGE COMPL. NWORK NFREE RWORK RFREE REMARK 3 1 35.8400 - 7.5600 0.99 3114 142 0.2387 0.2589 REMARK 3 2 7.5500 - 6.0100 1.00 3020 127 0.2304 0.2824 REMARK 3 3 6.0000 - 5.2500 1.00 2958 135 0.1902 0.2152 REMARK 3 4 5.2500 - 4.7700 1.00 2923 162 0.1695 0.2308 REMARK 3 5 4.7700 - 4.4300 1.00 2950 130 0.1574 0.2036 REMARK 3 6 4.4300 - 4.1700 1.00 2915 137 0.1812 0.2066 REMARK 3 7 4.1700 - 3.9600 1.00 2910 167 0.2022 0.2565 REMARK 3 8 3.9600 - 3.7900 1.00 2897 148 0.2001 0.2498 REMARK 3 9 3.7900 - 3.6400 1.00 2880 165 0.2151 0.2911 REMARK 3 10 3.6400 - 3.5200 1.00 2893 128 0.2529 0.2776 REMARK 3 11 3.5200 - 3.4100 1.00 2894 140 0.2666 0.3082 REMARK 3 12 3.4100 - 3.3100 1.00 2869 164 0.2890 0.3202 REMARK 3 13 3.3100 - 3.2200 0.99 2876 128 0.2978 0.3332 REMARK 3 14 3.2200 - 3.1400 0.97 2802 159 0.3109 0.3940 REMARK 3 15 3.1400 - 3.0700 0.94 2682 150 0.3272 0.3826 REMARK 3 16 3.0700 - 3.0100 0.80 2334 98 0.3756 0.3878 REMARK 3 REMARK 3 BULK SOLVENT MODELLING. REMARK 3 METHOD USED : FLAT BULK SOLVENT MODEL REMARK 3 SOLVENT RADIUS : 1.11 REMARK 3 SHRINKAGE RADIUS : 0.90 REMARK 3 K_SOL : NULL REMARK 3 B_SOL : NULL REMARK 3 REMARK 3 ERROR ESTIMATES. REMARK 3 COORDINATE ERROR (MAXIMUM-LIKELIHOOD BASED) : 0.450 REMARK 3 PHASE ERROR (DEGREES, MAXIMUM-LIKELIHOOD BASED) : 28.020 REMARK 3 REMARK 3 B VALUES. REMARK 3 FROM WILSON PLOT (A**2) : NULL REMARK 3 MEAN B VALUE (OVERALL, A**2) : 80.12 REMARK 3 OVERALL ANISOTROPIC B VALUE. REMARK 3 B11 (A**2) : NULL REMARK 3 B22 (A**2) : NULL REMARK 3 B33 (A**2) : NULL REMARK 3 B12 (A**2) : NULL REMARK 3 B13 (A**2) : NULL REMARK 3 B23 (A**2) : NULL REMARK 3 REMARK 3 TWINNING INFORMATION. REMARK 3 FRACTION: NULL REMARK 3 OPERATOR: NULL REMARK 3 REMARK 3 DEVIATIONS FROM IDEAL VALUES. REMARK 3 RMSD COUNT REMARK 3 BOND : NULL NULL REMARK 3 ANGLE : NULL NULL REMARK 3 CHIRALITY : NULL NULL REMARK 3 PLANARITY : NULL NULL REMARK 3 DIHEDRAL : NULL NULL REMARK 3 REMARK 3 TLS DETAILS REMARK 3 NUMBER OF TLS GROUPS : NULL REMARK 3 REMARK 3 NCS DETAILS REMARK 3 NUMBER OF NCS GROUPS : NULL REMARK 3 REMARK 3 OTHER REFINEMENT REMARKS: NULL REMARK 4 REMARK 4 6X9H COMPLIES WITH FORMAT V. 3.30, 13-JUL-11 REMARK 100 REMARK 100 THIS ENTRY HAS BEEN PROCESSED BY RCSB ON 08-JUN-20. REMARK 100 THE DEPOSITION ID IS D_1000249356. REMARK 200 REMARK 200 EXPERIMENTAL DETAILS REMARK 200 EXPERIMENT TYPE : X-RAY DIFFRACTION REMARK 200 DATE OF DATA COLLECTION : 10-MAR-16 REMARK 200 TEMPERATURE (KELVIN) : 100 REMARK 200 PH : 7.5 REMARK 200 NUMBER OF CRYSTALS USED : 1 REMARK 200 REMARK 200 SYNCHROTRON (Y/N) : Y REMARK 200 RADIATION SOURCE : APS REMARK 200 BEAMLINE : 21-ID-D REMARK 200 X-RAY GENERATOR MODEL : NULL REMARK 200 MONOCHROMATIC OR LAUE (M/L) : M REMARK 200 WAVELENGTH OR RANGE (A) : 1 REMARK 200 MONOCHROMATOR : NULL REMARK 200 OPTICS : NULL REMARK 200 REMARK 200 DETECTOR TYPE : CCD REMARK 200 DETECTOR MANUFACTURER : MARMOSAIC 300 MM CCD REMARK 200 INTENSITY-INTEGRATION SOFTWARE : HKL-2000 REMARK 200 DATA SCALING SOFTWARE : HKL-2000 REMARK 200 REMARK 200 NUMBER OF UNIQUE REFLECTIONS : 48207 REMARK 200 RESOLUTION RANGE HIGH (A) : 3.000 REMARK 200 RESOLUTION RANGE LOW (A) : 35.845 REMARK 200 REJECTION CRITERIA (SIGMA(I)) : NULL REMARK 200 REMARK 200 OVERALL. REMARK 200 COMPLETENESS FOR RANGE (%) : 97.9 REMARK 200 DATA REDUNDANCY : 5.000 REMARK 200 R MERGE (I) : NULL REMARK 200 R SYM (I) : NULL REMARK 200 FOR THE DATA SET : 11.1000 REMARK 200 REMARK 200 IN THE HIGHEST RESOLUTION SHELL. REMARK 200 HIGHEST RESOLUTION SHELL, RANGE HIGH (A) : 3.00 REMARK 200 HIGHEST RESOLUTION SHELL, RANGE LOW (A) : 3.10 REMARK 200 COMPLETENESS FOR SHELL (%) : 85.0 REMARK 200 DATA REDUNDANCY IN SHELL : 3.60 REMARK 200 R MERGE FOR SHELL (I) : 0.78300 REMARK 200 R SYM FOR SHELL (I) : NULL REMARK 200 FOR SHELL : 1.708 REMARK 200 REMARK 200 DIFFRACTION PROTOCOL: SINGLE WAVELENGTH REMARK 200 METHOD USED TO DETERMINE THE STRUCTURE: MOLECULAR REPLACEMENT REMARK 200 SOFTWARE USED: PHENIX REMARK 200 STARTING MODEL: 3S3W REMARK 200 REMARK 200 REMARK: NULL REMARK 280 REMARK 280 CRYSTAL REMARK 280 SOLVENT CONTENT, VS (%): 69.52 REMARK 280 MATTHEWS COEFFICIENT, VM (ANGSTROMS**3/DA): 4.03 REMARK 280 REMARK 280 CRYSTALLIZATION CONDITIONS: 100 MM MGCL2, 100 MM HEPES, PH 7.5, 28 REMARK 280 -30% PEG 400, VAPOR DIFFUSION, HANGING DROP, TEMPERATURE 286K REMARK 290 REMARK 290 CRYSTALLOGRAPHIC SYMMETRY REMARK 290 SYMMETRY OPERATORS FOR SPACE GROUP: P 21 21 21 REMARK 290 REMARK 290 SYMOP SYMMETRY REMARK 290 NNNMMM OPERATOR REMARK 290 1555 X,Y,Z REMARK 290 2555 -X+1/2,-Y,Z+1/2 REMARK 290 3555 -X,Y+1/2,-Z+1/2 REMARK 290 4555 X+1/2,-Y+1/2,-Z REMARK 290 REMARK 290 WHERE NNN -> OPERATOR NUMBER REMARK 290 MMM -> TRANSLATION VECTOR REMARK 290 REMARK 290 CRYSTALLOGRAPHIC SYMMETRY TRANSFORMATIONS REMARK 290 THE FOLLOWING TRANSFORMATIONS OPERATE ON THE ATOM/HETATM REMARK 290 RECORDS IN THIS ENTRY TO PRODUCE CRYSTALLOGRAPHICALLY REMARK 290 RELATED MOLECULES. REMARK 290 SMTRY1 1 1.000000 0.000000 0.000000 0.00000 REMARK 290 SMTRY2 1 0.000000 1.000000 0.000000 0.00000 REMARK 290 SMTRY3 1 0.000000 0.000000 1.000000 0.00000 REMARK 290 SMTRY1 2 -1.000000 0.000000 0.000000 45.89300 REMARK 290 SMTRY2 2 0.000000 -1.000000 0.000000 0.00000 REMARK 290 SMTRY3 2 0.000000 0.000000 1.000000 113.89500 REMARK 290 SMTRY1 3 -1.000000 0.000000 0.000000 0.00000 REMARK 290 SMTRY2 3 0.000000 1.000000 0.000000 58.07450 REMARK 290 SMTRY3 3 0.000000 0.000000 -1.000000 113.89500 REMARK 290 SMTRY1 4 1.000000 0.000000 0.000000 45.89300 REMARK 290 SMTRY2 4 0.000000 -1.000000 0.000000 58.07450 REMARK 290 SMTRY3 4 0.000000 0.000000 -1.000000 0.00000 REMARK 290 REMARK 290 REMARK: NULL 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: TRIMERIC REMARK 350 SOFTWARE DETERMINED QUATERNARY STRUCTURE: TRIMERIC REMARK 350 SOFTWARE USED: PISA REMARK 350 TOTAL BURIED SURFACE AREA: 14810 ANGSTROM**2 REMARK 350 SURFACE AREA OF THE COMPLEX: 54840 ANGSTROM**2 REMARK 350 CHANGE IN SOLVENT FREE ENERGY: -85.0 KCAL/MOL REMARK 350 APPLY THE FOLLOWING TO CHAINS: A, B, C 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 SER A 26 REMARK 465 THR A 27 REMARK 465 LEU A 28 REMARK 465 HIS A 29 REMARK 465 GLY A 30 REMARK 465 ILE A 31 REMARK 465 SER A 32 REMARK 465 HIS A 33 REMARK 465 ILE A 34 REMARK 465 PHE A 35 REMARK 465 SER A 36 REMARK 465 TYR A 37 REMARK 465 GLU A 38 REMARK 465 ARG A 39 REMARK 465 LEU A 40 REMARK 465 SER A 41 REMARK 465 LEU A 42 REMARK 465 GLY A 296 REMARK 465 ASP A 297 REMARK 465 SER A 298 REMARK 465 TYR A 455 REMARK 465 ALA A 456 REMARK 465 TYR A 457 REMARK 465 GLU A 458 REMARK 465 VAL A 459 REMARK 465 ILE A 460 REMARK 465 LYS A 461 REMARK 465 HIS A 462 REMARK 465 ARG A 463 REMARK 465 SER B 26 REMARK 465 THR B 27 REMARK 465 LEU B 28 REMARK 465 HIS B 29 REMARK 465 GLY B 30 REMARK 465 ILE B 31 REMARK 465 SER B 32 REMARK 465 HIS B 33 REMARK 465 ILE B 34 REMARK 465 PHE B 35 REMARK 465 SER B 36 REMARK 465 TYR B 37 REMARK 465 GLU B 38 REMARK 465 ARG B 39 REMARK 465 LEU B 40 REMARK 465 ASP B 297 REMARK 465 SER B 298 REMARK 465 LYS B 355 REMARK 465 ASP B 356 REMARK 465 ASN B 357 REMARK 465 GLU B 358 REMARK 465 TYR B 457 REMARK 465 GLU B 458 REMARK 465 VAL B 459 REMARK 465 ILE B 460 REMARK 465 LYS B 461 REMARK 465 HIS B 462 REMARK 465 ARG B 463 REMARK 465 SER C 26 REMARK 465 THR C 27 REMARK 465 LEU C 28 REMARK 465 HIS C 29 REMARK 465 GLY C 30 REMARK 465 ILE C 31 REMARK 465 SER C 32 REMARK 465 HIS C 33 REMARK 465 ILE C 34 REMARK 465 PHE C 35 REMARK 465 SER C 36 REMARK 465 TYR C 37 REMARK 465 GLU C 38 REMARK 465 ARG C 39 REMARK 465 LEU C 40 REMARK 465 SER C 41 REMARK 465 LEU C 42 REMARK 465 LYS C 43 REMARK 465 ARG C 44 REMARK 465 VAL C 45 REMARK 465 VAL C 46 REMARK 465 TRP C 47 REMARK 465 THR C 294 REMARK 465 THR C 295 REMARK 465 GLY C 296 REMARK 465 ASP C 297 REMARK 465 SER C 298 REMARK 465 GLU C 299 REMARK 465 PHE C 300 REMARK 465 TYR C 301 REMARK 465 VAL C 459 REMARK 465 ILE C 460 REMARK 465 LYS C 461 REMARK 465 HIS C 462 REMARK 465 ARG C 463 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 ASP A 127 CG OD1 OD2 REMARK 470 THR A 128 OG1 CG2 REMARK 470 GLN A 129 CG CD OE1 NE2 REMARK 470 ASP A 132 CG OD1 OD2 REMARK 470 GLU A 133 CG CD OE1 OE2 REMARK 470 LYS A 134 CG CD CE NZ REMARK 470 THR A 294 OG1 CG2 REMARK 470 THR A 295 OG1 CG2 REMARK 470 GLU A 354 CG CD OE1 OE2 REMARK 470 ASP A 356 CG OD1 OD2 REMARK 470 ASP B 127 CG OD1 OD2 REMARK 470 THR B 128 OG1 CG2 REMARK 470 GLN B 129 CG CD OE1 NE2 REMARK 470 ARG B 146 CG CD NE CZ NH1 NH2 REMARK 470 ASN B 147 CG OD1 ND2 REMARK 470 LYS B 149 CG CD CE NZ REMARK 470 GLU B 299 CG CD OE1 OE2 REMARK 470 GLU B 339 CG CD OE1 OE2 REMARK 470 GLU B 451 CG CD OE1 OE2 REMARK 470 PHE B 453 CG CD1 CD2 CE1 CE2 CZ REMARK 470 TYR B 455 CG CD1 CD2 CE1 CE2 CZ OH REMARK 470 ASP C 127 CG OD1 OD2 REMARK 470 THR C 128 OG1 CG2 REMARK 470 GLN C 129 CG CD OE1 NE2 REMARK 470 GLU C 458 CG CD OE1 OE2 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 NZ LYS A 387 O GLN C 129 2.13 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 CYS C 291 CA - CB - SG ANGL. DEV. = 8.3 DEGREES REMARK 500 CYS C 313 CA - CB - SG ANGL. DEV. = 8.8 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 ASN A 121 2.84 -67.73 REMARK 500 TYR A 123 32.16 73.27 REMARK 500 ASP A 127 -57.90 60.10 REMARK 500 ASN A 217 40.28 -93.54 REMARK 500 GLN A 226 62.72 64.47 REMARK 500 LEU A 258 64.00 -118.75 REMARK 500 PRO A 285 -177.44 -69.61 REMARK 500 CYS A 344 -57.70 -125.74 REMARK 500 ASP A 356 -94.65 179.59 REMARK 500 ASN A 357 -71.84 65.83 REMARK 500 GLU A 358 33.25 -83.19 REMARK 500 CYS A 360 107.63 -165.01 REMARK 500 LEU A 440 -57.38 -130.13 REMARK 500 ARG B 44 8.05 -65.70 REMARK 500 VAL B 45 -66.12 -96.68 REMARK 500 TYR B 123 31.51 72.54 REMARK 500 GLN B 226 65.52 63.71 REMARK 500 LEU B 258 64.05 -119.16 REMARK 500 PRO B 285 -173.98 -69.10 REMARK 500 THR B 294 -152.74 -86.21 REMARK 500 CYS B 344 -58.16 -121.94 REMARK 500 LEU B 440 -61.03 -133.73 REMARK 500 ASN C 121 3.57 -67.30 REMARK 500 ASP C 127 13.42 51.97 REMARK 500 THR C 130 30.01 -77.80 REMARK 500 ASN C 217 45.45 -94.22 REMARK 500 GLN C 226 66.16 64.06 REMARK 500 LEU C 258 62.32 -116.23 REMARK 500 CYS C 344 -55.64 -126.47 REMARK 500 LEU C 440 -56.88 -127.69 REMARK 500 ILE C 442 -159.04 -135.17 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 NA A 503 NA REMARK 620 N RES CSSEQI ATOM REMARK 620 1 ASP A 433 OD1 REMARK 620 2 ASP B 433 OD1 78.9 REMARK 620 3 ASP C 433 OD1 77.2 83.1 REMARK 620 N 1 2 DBREF 6X9H A 26 463 UNP Q1XA76 ASIC1_CHICK 26 463 DBREF 6X9H B 26 463 UNP Q1XA76 ASIC1_CHICK 26 463 DBREF 6X9H C 26 463 UNP Q1XA76 ASIC1_CHICK 26 463 SEQRES 1 A 438 SER THR LEU HIS GLY ILE SER HIS ILE PHE SER TYR GLU SEQRES 2 A 438 ARG LEU SER LEU LYS ARG VAL VAL TRP ALA LEU CYS PHE SEQRES 3 A 438 MET GLY SER LEU ALA LEU LEU ALA LEU VAL CYS THR ASN SEQRES 4 A 438 ARG ILE GLN TYR TYR PHE LEU TYR PRO HIS VAL THR LYS SEQRES 5 A 438 LEU ASP GLU VAL ALA ALA THR ARG LEU THR PHE PRO ALA SEQRES 6 A 438 VAL THR PHE CYS ASN LEU ASN GLU PHE ARG PHE SER ARG SEQRES 7 A 438 VAL THR LYS ASN ASP LEU TYR HIS ALA GLY GLU LEU LEU SEQRES 8 A 438 ALA LEU LEU ASN ASN ARG TYR GLU ILE PRO ASP THR GLN SEQRES 9 A 438 THR ALA ASP GLU LYS GLN LEU GLU ILE LEU GLN ASP LYS SEQRES 10 A 438 ALA ASN PHE ARG ASN PHE LYS PRO LYS PRO PHE ASN MET SEQRES 11 A 438 LEU GLU PHE TYR ASP ARG ALA GLY HIS ASP ILE ARG GLU SEQRES 12 A 438 MET LEU LEU SER CYS PHE PHE ARG GLY GLU GLN CYS SER SEQRES 13 A 438 PRO GLU ASP PHE LYS VAL VAL PHE THR ARG TYR GLY LYS SEQRES 14 A 438 CYS TYR THR PHE ASN ALA GLY GLN ASP GLY LYS PRO ARG SEQRES 15 A 438 LEU ILE THR MET LYS GLY GLY THR GLY ASN GLY LEU GLU SEQRES 16 A 438 ILE MET LEU ASP ILE GLN GLN ASP GLU TYR LEU PRO VAL SEQRES 17 A 438 TRP GLY GLU THR ASP GLU THR SER PHE GLU ALA GLY ILE SEQRES 18 A 438 LYS VAL GLN ILE HIS SER GLN ASP GLU PRO PRO LEU ILE SEQRES 19 A 438 ASP GLN LEU GLY PHE GLY VAL ALA PRO GLY PHE GLN THR SEQRES 20 A 438 PHE VAL SER CYS GLN GLU GLN ARG LEU ILE TYR LEU PRO SEQRES 21 A 438 PRO PRO TRP GLY ASP CYS LYS ALA THR THR GLY ASP SER SEQRES 22 A 438 GLU PHE TYR ASP THR TYR SER ILE THR ALA CYS ARG ILE SEQRES 23 A 438 ASP CYS GLU THR ARG TYR LEU VAL GLU ASN CYS ASN CYS SEQRES 24 A 438 ARG MET VAL HIS MET PRO GLY ASP ALA PRO TYR CYS THR SEQRES 25 A 438 PRO GLU GLN TYR LYS GLU CYS ALA ASP PRO ALA LEU ASP SEQRES 26 A 438 PHE LEU VAL GLU LYS ASP ASN GLU TYR CYS VAL CYS GLU SEQRES 27 A 438 MET PRO CYS ASN VAL THR ARG TYR GLY LYS GLU LEU SER SEQRES 28 A 438 MET VAL LYS ILE PRO SER LYS ALA SER ALA LYS TYR LEU SEQRES 29 A 438 ALA LYS LYS TYR ASN LYS SER GLU GLN TYR ILE GLY GLU SEQRES 30 A 438 ASN ILE LEU VAL LEU ASP ILE PHE PHE GLU ALA LEU ASN SEQRES 31 A 438 TYR GLU THR ILE GLU GLN LYS LYS ALA TYR GLU VAL ALA SEQRES 32 A 438 GLY LEU LEU GLY ASP ILE GLY GLY GLN MET GLY LEU PHE SEQRES 33 A 438 ILE GLY ALA SER ILE LEU THR VAL LEU GLU LEU PHE ASP SEQRES 34 A 438 TYR ALA TYR GLU VAL ILE LYS HIS ARG SEQRES 1 B 438 SER THR LEU HIS GLY ILE SER HIS ILE PHE SER TYR GLU SEQRES 2 B 438 ARG LEU SER LEU LYS ARG VAL VAL TRP ALA LEU CYS PHE SEQRES 3 B 438 MET GLY SER LEU ALA LEU LEU ALA LEU VAL CYS THR ASN SEQRES 4 B 438 ARG ILE GLN TYR TYR PHE LEU TYR PRO HIS VAL THR LYS SEQRES 5 B 438 LEU ASP GLU VAL ALA ALA THR ARG LEU THR PHE PRO ALA SEQRES 6 B 438 VAL THR PHE CYS ASN LEU ASN GLU PHE ARG PHE SER ARG SEQRES 7 B 438 VAL THR LYS ASN ASP LEU TYR HIS ALA GLY GLU LEU LEU SEQRES 8 B 438 ALA LEU LEU ASN ASN ARG TYR GLU ILE PRO ASP THR GLN SEQRES 9 B 438 THR ALA ASP GLU LYS GLN LEU GLU ILE LEU GLN ASP LYS SEQRES 10 B 438 ALA ASN PHE ARG ASN PHE LYS PRO LYS PRO PHE ASN MET SEQRES 11 B 438 LEU GLU PHE TYR ASP ARG ALA GLY HIS ASP ILE ARG GLU SEQRES 12 B 438 MET LEU LEU SER CYS PHE PHE ARG GLY GLU GLN CYS SER SEQRES 13 B 438 PRO GLU ASP PHE LYS VAL VAL PHE THR ARG TYR GLY LYS SEQRES 14 B 438 CYS TYR THR PHE ASN ALA GLY GLN ASP GLY LYS PRO ARG SEQRES 15 B 438 LEU ILE THR MET LYS GLY GLY THR GLY ASN GLY LEU GLU SEQRES 16 B 438 ILE MET LEU ASP ILE GLN GLN ASP GLU TYR LEU PRO VAL SEQRES 17 B 438 TRP GLY GLU THR ASP GLU THR SER PHE GLU ALA GLY ILE SEQRES 18 B 438 LYS VAL GLN ILE HIS SER GLN ASP GLU PRO PRO LEU ILE SEQRES 19 B 438 ASP GLN LEU GLY PHE GLY VAL ALA PRO GLY PHE GLN THR SEQRES 20 B 438 PHE VAL SER CYS GLN GLU GLN ARG LEU ILE TYR LEU PRO SEQRES 21 B 438 PRO PRO TRP GLY ASP CYS LYS ALA THR THR GLY ASP SER SEQRES 22 B 438 GLU PHE TYR ASP THR TYR SER ILE THR ALA CYS ARG ILE SEQRES 23 B 438 ASP CYS GLU THR ARG TYR LEU VAL GLU ASN CYS ASN CYS SEQRES 24 B 438 ARG MET VAL HIS MET PRO GLY ASP ALA PRO TYR CYS THR SEQRES 25 B 438 PRO GLU GLN TYR LYS GLU CYS ALA ASP PRO ALA LEU ASP SEQRES 26 B 438 PHE LEU VAL GLU LYS ASP ASN GLU TYR CYS VAL CYS GLU SEQRES 27 B 438 MET PRO CYS ASN VAL THR ARG TYR GLY LYS GLU LEU SER SEQRES 28 B 438 MET VAL LYS ILE PRO SER LYS ALA SER ALA LYS TYR LEU SEQRES 29 B 438 ALA LYS LYS TYR ASN LYS SER GLU GLN TYR ILE GLY GLU SEQRES 30 B 438 ASN ILE LEU VAL LEU ASP ILE PHE PHE GLU ALA LEU ASN SEQRES 31 B 438 TYR GLU THR ILE GLU GLN LYS LYS ALA TYR GLU VAL ALA SEQRES 32 B 438 GLY LEU LEU GLY ASP ILE GLY GLY GLN MET GLY LEU PHE SEQRES 33 B 438 ILE GLY ALA SER ILE LEU THR VAL LEU GLU LEU PHE ASP SEQRES 34 B 438 TYR ALA TYR GLU VAL ILE LYS HIS ARG SEQRES 1 C 438 SER THR LEU HIS GLY ILE SER HIS ILE PHE SER TYR GLU SEQRES 2 C 438 ARG LEU SER LEU LYS ARG VAL VAL TRP ALA LEU CYS PHE SEQRES 3 C 438 MET GLY SER LEU ALA LEU LEU ALA LEU VAL CYS THR ASN SEQRES 4 C 438 ARG ILE GLN TYR TYR PHE LEU TYR PRO HIS VAL THR LYS SEQRES 5 C 438 LEU ASP GLU VAL ALA ALA THR ARG LEU THR PHE PRO ALA SEQRES 6 C 438 VAL THR PHE CYS ASN LEU ASN GLU PHE ARG PHE SER ARG SEQRES 7 C 438 VAL THR LYS ASN ASP LEU TYR HIS ALA GLY GLU LEU LEU SEQRES 8 C 438 ALA LEU LEU ASN ASN ARG TYR GLU ILE PRO ASP THR GLN SEQRES 9 C 438 THR ALA ASP GLU LYS GLN LEU GLU ILE LEU GLN ASP LYS SEQRES 10 C 438 ALA ASN PHE ARG ASN PHE LYS PRO LYS PRO PHE ASN MET SEQRES 11 C 438 LEU GLU PHE TYR ASP ARG ALA GLY HIS ASP ILE ARG GLU SEQRES 12 C 438 MET LEU LEU SER CYS PHE PHE ARG GLY GLU GLN CYS SER SEQRES 13 C 438 PRO GLU ASP PHE LYS VAL VAL PHE THR ARG TYR GLY LYS SEQRES 14 C 438 CYS TYR THR PHE ASN ALA GLY GLN ASP GLY LYS PRO ARG SEQRES 15 C 438 LEU ILE THR MET LYS GLY GLY THR GLY ASN GLY LEU GLU SEQRES 16 C 438 ILE MET LEU ASP ILE GLN GLN ASP GLU TYR LEU PRO VAL SEQRES 17 C 438 TRP GLY GLU THR ASP GLU THR SER PHE GLU ALA GLY ILE SEQRES 18 C 438 LYS VAL GLN ILE HIS SER GLN ASP GLU PRO PRO LEU ILE SEQRES 19 C 438 ASP GLN LEU GLY PHE GLY VAL ALA PRO GLY PHE GLN THR SEQRES 20 C 438 PHE VAL SER CYS GLN GLU GLN ARG LEU ILE TYR LEU PRO SEQRES 21 C 438 PRO PRO TRP GLY ASP CYS LYS ALA THR THR GLY ASP SER SEQRES 22 C 438 GLU PHE TYR ASP THR TYR SER ILE THR ALA CYS ARG ILE SEQRES 23 C 438 ASP CYS GLU THR ARG TYR LEU VAL GLU ASN CYS ASN CYS SEQRES 24 C 438 ARG MET VAL HIS MET PRO GLY ASP ALA PRO TYR CYS THR SEQRES 25 C 438 PRO GLU GLN TYR LYS GLU CYS ALA ASP PRO ALA LEU ASP SEQRES 26 C 438 PHE LEU VAL GLU LYS ASP ASN GLU TYR CYS VAL CYS GLU SEQRES 27 C 438 MET PRO CYS ASN VAL THR ARG TYR GLY LYS GLU LEU SER SEQRES 28 C 438 MET VAL LYS ILE PRO SER LYS ALA SER ALA LYS TYR LEU SEQRES 29 C 438 ALA LYS LYS TYR ASN LYS SER GLU GLN TYR ILE GLY GLU SEQRES 30 C 438 ASN ILE LEU VAL LEU ASP ILE PHE PHE GLU ALA LEU ASN SEQRES 31 C 438 TYR GLU THR ILE GLU GLN LYS LYS ALA TYR GLU VAL ALA SEQRES 32 C 438 GLY LEU LEU GLY ASP ILE GLY GLY GLN MET GLY LEU PHE SEQRES 33 C 438 ILE GLY ALA SER ILE LEU THR VAL LEU GLU LEU PHE ASP SEQRES 34 C 438 TYR ALA TYR GLU VAL ILE LYS HIS ARG HET NAG A 501 14 HET UZG A 502 29 HET NA A 503 1 HET NAG B 501 14 HET UZG B 502 29 HET NAG C 501 14 HET UZG C 502 29 HETNAM NAG 2-ACETAMIDO-2-DEOXY-BETA-D-GLUCOPYRANOSE HETNAM UZG 2-[4-(3,4-DIMETHOXYPHENOXY)PHENYL]-1H-BENZIMIDAZOLE-6- HETNAM 2 UZG CARBOXIMIDAMIDE HETNAM NA SODIUM ION HETSYN NAG N-ACETYL-BETA-D-GLUCOSAMINE; 2-ACETAMIDO-2-DEOXY-BETA- HETSYN 2 NAG D-GLUCOSE; 2-ACETAMIDO-2-DEOXY-D-GLUCOSE; 2-ACETAMIDO- HETSYN 3 NAG 2-DEOXY-GLUCOSE; N-ACETYL-D-GLUCOSAMINE FORMUL 4 NAG 3(C8 H15 N O6) FORMUL 5 UZG 3(C22 H20 N4 O3) FORMUL 6 NA NA 1+ HELIX 1 AA1 ARG A 44 LEU A 71 1 28 HELIX 2 AA2 ARG A 100 VAL A 104 5 5 HELIX 3 AA3 THR A 105 GLY A 113 1 9 HELIX 4 AA4 ASP A 132 ALA A 143 1 12 HELIX 5 AA5 ASN A 154 GLY A 163 1 10 HELIX 6 AA6 ASP A 165 MET A 169 1 5 HELIX 7 AA7 SER A 181 GLU A 183 5 3 HELIX 8 AA8 GLN A 226 TYR A 230 5 5 HELIX 9 AA9 LEU A 258 GLY A 263 1 6 HELIX 10 AB1 SER A 305 ASN A 323 1 19 HELIX 11 AB2 THR A 337 CYS A 344 1 8 HELIX 12 AB3 CYS A 344 VAL A 353 1 10 HELIX 13 AB4 SER A 382 ASN A 394 1 13 HELIX 14 AB5 SER A 396 ASN A 403 1 8 HELIX 15 AB6 GLU A 426 ILE A 442 1 17 HELIX 16 AB7 SER A 445 LEU A 452 1 8 HELIX 17 AB8 LEU B 42 LEU B 71 1 30 HELIX 18 AB9 ARG B 100 VAL B 104 5 5 HELIX 19 AC1 THR B 105 GLY B 113 1 9 HELIX 20 AC2 ASP B 132 ALA B 143 1 12 HELIX 21 AC3 ASN B 154 GLY B 163 1 10 HELIX 22 AC4 ASP B 165 MET B 169 1 5 HELIX 23 AC5 SER B 181 GLU B 183 5 3 HELIX 24 AC6 GLY B 214 ASN B 217 5 4 HELIX 25 AC7 GLN B 226 TYR B 230 5 5 HELIX 26 AC8 LEU B 258 GLY B 263 1 6 HELIX 27 AC9 SER B 305 ASN B 323 1 19 HELIX 28 AD1 THR B 337 CYS B 344 1 8 HELIX 29 AD2 CYS B 344 GLU B 354 1 11 HELIX 30 AD3 SER B 382 ASN B 394 1 13 HELIX 31 AD4 SER B 396 ASN B 403 1 8 HELIX 32 AD5 GLU B 426 ILE B 442 1 17 HELIX 33 AD6 SER B 445 LEU B 450 1 6 HELIX 34 AD7 LEU B 450 ALA B 456 1 7 HELIX 35 AD8 CYS C 50 LEU C 71 1 22 HELIX 36 AD9 THR C 105 GLY C 113 1 9 HELIX 37 AE1 ASP C 132 ALA C 143 1 12 HELIX 38 AE2 ASN C 154 GLY C 163 1 10 HELIX 39 AE3 ASP C 165 MET C 169 1 5 HELIX 40 AE4 SER C 181 GLU C 183 5 3 HELIX 41 AE5 GLN C 226 TYR C 230 5 5 HELIX 42 AE6 LEU C 258 GLY C 263 1 6 HELIX 43 AE7 SER C 305 ASN C 323 1 19 HELIX 44 AE8 THR C 337 CYS C 344 1 8 HELIX 45 AE9 CYS C 344 ASP C 356 1 13 HELIX 46 AF1 SER C 382 TYR C 393 1 12 HELIX 47 AF2 SER C 396 ASN C 403 1 8 HELIX 48 AF3 GLU C 426 ILE C 442 1 17 HELIX 49 AF4 SER C 445 TYR C 455 1 11 SHEET 1 AA1 5 HIS A 74 ALA A 82 0 SHEET 2 AA1 5 ILE A 404 LYS A 423 -1 O GLU A 420 N LYS A 77 SHEET 3 AA1 5 LEU A 219 ASP A 224 -1 N LEU A 223 O LEU A 405 SHEET 4 AA1 5 LEU A 170 PHE A 175 -1 N PHE A 174 O GLU A 220 SHEET 5 AA1 5 GLU A 178 GLN A 179 -1 O GLU A 178 N PHE A 175 SHEET 1 AA2 4 HIS A 74 ALA A 82 0 SHEET 2 AA2 4 ILE A 404 LYS A 423 -1 O GLU A 420 N LYS A 77 SHEET 3 AA2 4 PHE A 270 ILE A 282 1 N VAL A 274 O ASP A 408 SHEET 4 AA2 4 ASN A 367 LYS A 379 -1 O GLY A 372 N GLN A 277 SHEET 1 AA3 2 LEU A 86 THR A 87 0 SHEET 2 AA3 2 ILE A 209 THR A 210 -1 O THR A 210 N LEU A 86 SHEET 1 AA4 5 PHE A 185 THR A 190 0 SHEET 2 AA4 5 GLY A 193 PHE A 198 -1 O GLY A 193 N THR A 190 SHEET 3 AA4 5 ALA A 90 ASN A 95 -1 N PHE A 93 O TYR A 196 SHEET 4 AA4 5 ILE A 246 HIS A 251 -1 O LYS A 247 N CYS A 94 SHEET 5 AA4 5 PHE A 264 VAL A 266 -1 O PHE A 264 N VAL A 248 SHEET 1 AA5 5 HIS B 74 ALA B 82 0 SHEET 2 AA5 5 ILE B 404 LYS B 423 -1 O THR B 418 N ASP B 79 SHEET 3 AA5 5 LEU B 219 ASP B 224 -1 N ILE B 221 O LEU B 407 SHEET 4 AA5 5 LEU B 170 PHE B 175 -1 N SER B 172 O MET B 222 SHEET 5 AA5 5 GLU B 178 GLN B 179 -1 O GLU B 178 N PHE B 175 SHEET 1 AA6 4 HIS B 74 ALA B 82 0 SHEET 2 AA6 4 ILE B 404 LYS B 423 -1 O THR B 418 N ASP B 79 SHEET 3 AA6 4 PHE B 270 ILE B 282 1 N CYS B 276 O GLU B 412 SHEET 4 AA6 4 ASN B 367 LYS B 379 -1 O SER B 376 N PHE B 273 SHEET 1 AA7 2 LEU B 86 THR B 87 0 SHEET 2 AA7 2 ILE B 209 THR B 210 -1 O THR B 210 N LEU B 86 SHEET 1 AA8 5 PHE B 185 THR B 190 0 SHEET 2 AA8 5 GLY B 193 PHE B 198 -1 O CYS B 195 N VAL B 188 SHEET 3 AA8 5 ALA B 90 ASN B 95 -1 N VAL B 91 O PHE B 198 SHEET 4 AA8 5 ILE B 246 HIS B 251 -1 O GLN B 249 N THR B 92 SHEET 5 AA8 5 PHE B 264 VAL B 266 -1 O PHE B 264 N VAL B 248 SHEET 1 AA9 5 HIS C 74 ALA C 82 0 SHEET 2 AA9 5 ILE C 404 LYS C 423 -1 O LYS C 422 N VAL C 75 SHEET 3 AA9 5 LEU C 219 ASP C 224 -1 N LEU C 223 O LEU C 405 SHEET 4 AA9 5 LEU C 170 PHE C 175 -1 N PHE C 174 O GLU C 220 SHEET 5 AA9 5 GLU C 178 GLN C 179 -1 O GLU C 178 N PHE C 175 SHEET 1 AB1 4 HIS C 74 ALA C 82 0 SHEET 2 AB1 4 ILE C 404 LYS C 423 -1 O LYS C 422 N VAL C 75 SHEET 3 AB1 4 PHE C 270 ILE C 282 1 N ARG C 280 O GLU C 417 SHEET 4 AB1 4 ASN C 367 LYS C 379 -1 O VAL C 368 N LEU C 281 SHEET 1 AB2 2 LEU C 86 THR C 87 0 SHEET 2 AB2 2 ILE C 209 THR C 210 -1 O THR C 210 N LEU C 86 SHEET 1 AB3 5 PHE C 185 THR C 190 0 SHEET 2 AB3 5 GLY C 193 PHE C 198 -1 O GLY C 193 N THR C 190 SHEET 3 AB3 5 ALA C 90 ASN C 95 -1 N VAL C 91 O PHE C 198 SHEET 4 AB3 5 ILE C 246 HIS C 251 -1 O GLN C 249 N THR C 92 SHEET 5 AB3 5 PHE C 264 VAL C 266 -1 O PHE C 264 N VAL C 248 SSBOND 1 CYS A 94 CYS A 195 1555 1555 2.08 SSBOND 2 CYS A 173 CYS A 180 1555 1555 2.07 SSBOND 3 CYS A 291 CYS A 366 1555 1555 2.06 SSBOND 4 CYS A 309 CYS A 362 1555 1555 2.07 SSBOND 5 CYS A 313 CYS A 360 1555 1555 2.04 SSBOND 6 CYS A 322 CYS A 344 1555 1555 2.01 SSBOND 7 CYS A 324 CYS A 336 1555 1555 2.05 SSBOND 8 CYS B 94 CYS B 195 1555 1555 2.05 SSBOND 9 CYS B 173 CYS B 180 1555 1555 2.08 SSBOND 10 CYS B 291 CYS B 366 1555 1555 2.07 SSBOND 11 CYS B 309 CYS B 362 1555 1555 2.05 SSBOND 12 CYS B 313 CYS B 360 1555 1555 2.05 SSBOND 13 CYS B 322 CYS B 344 1555 1555 2.06 SSBOND 14 CYS B 324 CYS B 336 1555 1555 2.05 SSBOND 15 CYS C 94 CYS C 195 1555 1555 2.04 SSBOND 16 CYS C 173 CYS C 180 1555 1555 2.06 SSBOND 17 CYS C 291 CYS C 366 1555 1555 2.06 SSBOND 18 CYS C 309 CYS C 362 1555 1555 2.05 SSBOND 19 CYS C 313 CYS C 360 1555 1555 2.05 SSBOND 20 CYS C 322 CYS C 344 1555 1555 2.05 SSBOND 21 CYS C 324 CYS C 336 1555 1555 2.04 LINK ND2 ASN A 367 C1 NAG A 501 1555 1555 1.41 LINK ND2 ASN B 367 C1 NAG B 501 1555 1555 1.45 LINK ND2 ASN C 367 C1 NAG C 501 1555 1555 1.44 LINK OD1 ASP A 433 NA NA A 503 1555 1555 2.67 LINK NA NA A 503 OD1 ASP B 433 1555 1555 2.82 LINK NA NA A 503 OD1 ASP C 433 1555 1555 2.96 CISPEP 1 PRO A 286 PRO A 287 0 6.40 CISPEP 2 ILE A 380 PRO A 381 0 -2.55 CISPEP 3 PRO B 286 PRO B 287 0 6.70 CISPEP 4 ILE B 380 PRO B 381 0 -2.20 CISPEP 5 PRO C 286 PRO C 287 0 8.30 CISPEP 6 ILE C 380 PRO C 381 0 -3.16 CRYST1 91.786 116.149 227.790 90.00 90.00 90.00 P 21 21 21 12 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 0.010895 0.000000 0.000000 0.00000 SCALE2 0.000000 0.008610 0.000000 0.00000 SCALE3 0.000000 0.000000 0.004390 0.00000