HEADER MEMBRANE PROTEIN 28-JUN-20 7CFT TITLE CRYO-EM STRUCUTRE OF HUMAN ACID-SENSING ION CHANNEL 1A IN COMPLEX WITH TITLE 2 SNAKE TOXIN MAMBALGIN1 AT PH 8.0 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,BRAIN COMPND 5 SODIUM CHANNEL 2,BNAC2; COMPND 6 ENGINEERED: YES; COMPND 7 MOL_ID: 2; COMPND 8 MOLECULE: MAMBALGIN-1; COMPND 9 CHAIN: D, E, F; COMPND 10 SYNONYM: MAMB-1,PI-DP1; COMPND 11 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: ASIC1, ACCN2, BNAC2; SOURCE 6 EXPRESSION_SYSTEM: SPODOPTERA FRUGIPERDA; SOURCE 7 EXPRESSION_SYSTEM_TAXID: 7108; SOURCE 8 MOL_ID: 2; SOURCE 9 SYNTHETIC: YES; SOURCE 10 ORGANISM_SCIENTIFIC: DENDROASPIS POLYLEPIS POLYLEPIS; SOURCE 11 ORGANISM_COMMON: BLACK MAMBA; SOURCE 12 ORGANISM_TAXID: 8620 KEYWDS ASIC, HUMAN, MAMBALGIN1 TOXIN, CRYO-EM STRUCTURE, MEMBRANE PROTEIN EXPDTA ELECTRON MICROSCOPY AUTHOR D.M.SUN,S.L.LIU,S.Y.LI,F.YANG,C.L.TIAN REVDAT 1 21-OCT-20 7CFT 0 JRNL AUTH D.SUN,S.LIU,S.LI,M.ZHANG,F.YANG,M.WEN,P.SHI,T.WANG,M.PAN, JRNL AUTH 2 S.CHANG,X.ZHANG,L.ZHANG,C.TIAN,L.LIU JRNL TITL STRUCTURAL INSIGHTS INTO HUMAN ACID-SENSING ION CHANNEL 1A JRNL TITL 2 INHIBITION BY SNAKE TOXIN MAMBALGIN1. JRNL REF ELIFE V. 9 2020 JRNL REFN ESSN 2050-084X JRNL PMID 32915133 JRNL DOI 10.7554/ELIFE.57096 REMARK 2 REMARK 2 RESOLUTION. 3.90 ANGSTROMS. REMARK 3 REMARK 3 REFINEMENT. REMARK 3 SOFTWARE PACKAGES : RELION, GCTF, UCSF CHIMERA, PHENIX, REMARK 3 RELION, RELION REMARK 3 RECONSTRUCTION SCHEMA : NULL REMARK 3 REMARK 3 EM MAP-MODEL FITTING AND REFINEMENT REMARK 3 PDB ENTRY : 6AVE 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) : 3.900 REMARK 3 NUMBER OF PARTICLES : 119901 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 7CFT COMPLIES WITH FORMAT V. 3.30, 13-JUL-11 REMARK 100 REMARK 100 THIS ENTRY HAS BEEN PROCESSED BY PDBJ ON 29-JUN-20. REMARK 100 THE DEPOSITION ID IS D_1300017331. 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 : HASIC1A-MAMBA1 REMARK 245 SAMPLE CONCENTRATION (MG ML-1) : 3.10 REMARK 245 SAMPLE SUPPORT DETAILS : NULL REMARK 245 SAMPLE VITRIFICATION DETAILS : PURIFIED HASIC1A-MAMBA1 COMPLEX REMARK 245 (3 UL) AT A CONCENTRATION OF REMARK 245 3.1 MG/ML WAS ADDED TO THE REMARK 245 FRESHLY PLASMA-CLEANED HOLEY REMARK 245 CARBON GRID (QUANTIFOL, R1.2/ REMARK 245 1.3, 300 MESH, CU), BLOTTED FOR REMARK 245 5 S AT 100% HUMIDITY WITH A REMARK 245 VITROBOT MARK IV (THERMOFISHER REMARK 245 SCIENTIFIC) AND PLUNGE FROZEN REMARK 245 INTO LIQUID ETHANE COOLED BY REMARK 245 LIQUID NITROGEN. REMARK 245 SAMPLE BUFFER : NULL REMARK 245 PH : 8.00 REMARK 245 SAMPLE DETAILS : THE OPTIMIZED CODING DNAS FOR REMARK 245 HUMAN HASIC1A (UNIPROT: P78348) WAS SYNTHESIZED BY GENESCRIPT. REMARK 245 THE TRUNCATED HASIC1A (WITH THE CARBOXYL TERMINAL 60 RESIDUES REMARK 245 REMOVED, NAMED AS HASIC1A-DELTAC) WAS CLONED INTO THE PFASTBAC1 REMARK 245 VECTOR (INVITROGEN) WITH 8-HIS TAG AT THE AMINO TERMINUS. REMARK 245 BACULOVIRUS-INFECTED SF9 CELLS (THERMO FISHER) WERE USED FOR REMARK 245 OVEREXPRESSION AND WERE GROWN AT 300K IN SERUM-FREE SIM SF REMARK 245 MEDIUM (SINO BIOLOGICAL INC.). THE MAMBALGIN1 (MAMBA1) TOXIN WAS REMARK 245 OBTAINED USING A HYDRAZIDE-BASED CHEMICAL SYNTHESIS METHOD. REMARK 245 REMARK 245 DATA ACQUISITION REMARK 245 DATE OF EXPERIMENT : NULL REMARK 245 NUMBER OF MICROGRAPHS-IMAGES : 3364 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) : 50.00 REMARK 245 ILLUMINATION MODE : SPOT SCAN 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 : GRIDS WERE TRANSFERRED TO A REMARK 245 TITAN KRIOS ELECTRON MICROSCOPE (FEI) OPERATED AT 300 KV REMARK 245 EQUIPPED WITH A GATAN K2 SUMMIT DIRECT DETECTION CAMERA. IMAGES REMARK 245 OF HASIC1A-MAMBA1 COMPLEX WAS COLLECTED USING THE AUTOMATED REMARK 245 IMAGE ACQUISITION SOFTWARE SERIALEM IN COUNTING MODE WITH 29, REMARK 245 000X MAGNIFICATION YIELDING A PIXEL SIZE OF 1.014 A. THE TOTAL REMARK 245 DOSE OF 50 E-/A2 WAS FRACTIONATED TO 40 FRAMES WITH 0.2 S PER REMARK 245 FRAME. NOMINAL DEFOCUS VALUES RANGED FROM -1.8 TO -2.5 UM. THE REMARK 245 DATASET OF HASIC1A INCLUDED 3,364 MICROGRAPHS. 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: HEXAMERIC REMARK 350 APPLY THE FOLLOWING TO CHAINS: A, B, C, D, E, F 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 MET A -8 REMARK 465 HIS A -7 REMARK 465 HIS A -6 REMARK 465 HIS A -5 REMARK 465 HIS A -4 REMARK 465 HIS A -3 REMARK 465 HIS A -2 REMARK 465 HIS A -1 REMARK 465 HIS A 0 REMARK 465 MET A 1 REMARK 465 GLU A 2 REMARK 465 LEU A 3 REMARK 465 LYS A 4 REMARK 465 ALA A 5 REMARK 465 GLU A 6 REMARK 465 GLU A 7 REMARK 465 GLU A 8 REMARK 465 GLU A 9 REMARK 465 VAL A 10 REMARK 465 GLY A 11 REMARK 465 GLY A 12 REMARK 465 VAL A 13 REMARK 465 GLN A 14 REMARK 465 PRO A 15 REMARK 465 VAL A 16 REMARK 465 SER A 17 REMARK 465 ILE A 18 REMARK 465 GLN A 19 REMARK 465 ALA A 20 REMARK 465 PHE A 21 REMARK 465 ALA A 22 REMARK 465 SER A 23 REMARK 465 SER A 24 REMARK 465 SER A 25 REMARK 465 THR A 26 REMARK 465 LEU A 27 REMARK 465 HIS A 28 REMARK 465 GLY A 29 REMARK 465 LEU A 30 REMARK 465 ALA A 31 REMARK 465 HIS A 32 REMARK 465 ILE A 33 REMARK 465 PHE A 34 REMARK 465 SER A 35 REMARK 465 TYR A 36 REMARK 465 GLU A 37 REMARK 465 ARG A 38 REMARK 465 LEU A 39 REMARK 465 SER A 40 REMARK 465 LEU A 41 REMARK 465 LYS A 42 REMARK 465 ARG A 43 REMARK 465 ALA A 44 REMARK 465 LEU A 45 REMARK 465 TRP A 46 REMARK 465 ALA A 47 REMARK 465 CYS A 466 REMARK 465 ARG A 467 REMARK 465 ARG A 468 REMARK 465 MET B -8 REMARK 465 HIS B -7 REMARK 465 HIS B -6 REMARK 465 HIS B -5 REMARK 465 HIS B -4 REMARK 465 HIS B -3 REMARK 465 HIS B -2 REMARK 465 HIS B -1 REMARK 465 HIS B 0 REMARK 465 MET B 1 REMARK 465 GLU B 2 REMARK 465 LEU B 3 REMARK 465 LYS B 4 REMARK 465 ALA B 5 REMARK 465 GLU B 6 REMARK 465 GLU B 7 REMARK 465 GLU B 8 REMARK 465 GLU B 9 REMARK 465 VAL B 10 REMARK 465 GLY B 11 REMARK 465 GLY B 12 REMARK 465 VAL B 13 REMARK 465 GLN B 14 REMARK 465 PRO B 15 REMARK 465 VAL B 16 REMARK 465 SER B 17 REMARK 465 ILE B 18 REMARK 465 GLN B 19 REMARK 465 ALA B 20 REMARK 465 PHE B 21 REMARK 465 ALA B 22 REMARK 465 SER B 23 REMARK 465 SER B 24 REMARK 465 SER B 25 REMARK 465 THR B 26 REMARK 465 LEU B 27 REMARK 465 HIS B 28 REMARK 465 GLY B 29 REMARK 465 LEU B 30 REMARK 465 ALA B 31 REMARK 465 HIS B 32 REMARK 465 ILE B 33 REMARK 465 PHE B 34 REMARK 465 SER B 35 REMARK 465 TYR B 36 REMARK 465 GLU B 37 REMARK 465 ARG B 38 REMARK 465 LEU B 39 REMARK 465 SER B 40 REMARK 465 LEU B 41 REMARK 465 LYS B 42 REMARK 465 ARG B 43 REMARK 465 ALA B 44 REMARK 465 LEU B 45 REMARK 465 TRP B 46 REMARK 465 ALA B 47 REMARK 465 CYS B 466 REMARK 465 ARG B 467 REMARK 465 ARG B 468 REMARK 465 MET C -8 REMARK 465 HIS C -7 REMARK 465 HIS C -6 REMARK 465 HIS C -5 REMARK 465 HIS C -4 REMARK 465 HIS C -3 REMARK 465 HIS C -2 REMARK 465 HIS C -1 REMARK 465 HIS C 0 REMARK 465 MET C 1 REMARK 465 GLU C 2 REMARK 465 LEU C 3 REMARK 465 LYS C 4 REMARK 465 ALA C 5 REMARK 465 GLU C 6 REMARK 465 GLU C 7 REMARK 465 GLU C 8 REMARK 465 GLU C 9 REMARK 465 VAL C 10 REMARK 465 GLY C 11 REMARK 465 GLY C 12 REMARK 465 VAL C 13 REMARK 465 GLN C 14 REMARK 465 PRO C 15 REMARK 465 VAL C 16 REMARK 465 SER C 17 REMARK 465 ILE C 18 REMARK 465 GLN C 19 REMARK 465 ALA C 20 REMARK 465 PHE C 21 REMARK 465 ALA C 22 REMARK 465 SER C 23 REMARK 465 SER C 24 REMARK 465 SER C 25 REMARK 465 THR C 26 REMARK 465 LEU C 27 REMARK 465 HIS C 28 REMARK 465 GLY C 29 REMARK 465 LEU C 30 REMARK 465 ALA C 31 REMARK 465 HIS C 32 REMARK 465 ILE C 33 REMARK 465 PHE C 34 REMARK 465 SER C 35 REMARK 465 TYR C 36 REMARK 465 GLU C 37 REMARK 465 ARG C 38 REMARK 465 LEU C 39 REMARK 465 SER C 40 REMARK 465 LEU C 41 REMARK 465 LYS C 42 REMARK 465 ARG C 43 REMARK 465 ALA C 44 REMARK 465 LEU C 45 REMARK 465 TRP C 46 REMARK 465 ALA C 47 REMARK 465 CYS C 466 REMARK 465 ARG C 467 REMARK 465 ARG C 468 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 121 CG CD NE CZ NH1 NH2 REMARK 470 GLU A 123 CG CD OE1 OE2 REMARK 470 ILE A 124 CG1 CG2 CD1 REMARK 470 ASP A 126 CG OD1 OD2 REMARK 470 THR A 127 OG1 CG2 REMARK 470 GLN A 128 CG CD OE1 NE2 REMARK 470 MET A 129 CG SD CE REMARK 470 PHE A 144 CG CD1 CD2 CE1 CE2 CZ REMARK 470 ARG A 145 CG CD NE CZ NH1 NH2 REMARK 470 SER A 146 OG REMARK 470 PHE A 147 CG CD1 CD2 CE1 CE2 CZ REMARK 470 LYS A 148 CG CD CE NZ REMARK 470 LYS A 150 CG CD CE NZ REMARK 470 VAL A 293 CG1 CG2 REMARK 470 THR A 294 OG1 CG2 REMARK 470 MET A 295 CG SD CE REMARK 470 ASP A 296 CG OD1 OD2 REMARK 470 SER A 297 OG REMARK 470 ASP A 298 CG OD1 OD2 REMARK 470 LEU A 299 CG CD1 CD2 REMARK 470 GLU A 364 CG CD OE1 OE2 REMARK 470 ARG B 121 CG CD NE CZ NH1 NH2 REMARK 470 GLU B 123 CG CD OE1 OE2 REMARK 470 ILE B 124 CG1 CG2 CD1 REMARK 470 ASP B 126 CG OD1 OD2 REMARK 470 THR B 127 OG1 CG2 REMARK 470 GLN B 128 CG CD OE1 NE2 REMARK 470 MET B 129 CG SD CE REMARK 470 PHE B 144 CG CD1 CD2 CE1 CE2 CZ REMARK 470 ARG B 145 CG CD NE CZ NH1 NH2 REMARK 470 SER B 146 OG REMARK 470 PHE B 147 CG CD1 CD2 CE1 CE2 CZ REMARK 470 LYS B 148 CG CD CE NZ REMARK 470 LYS B 150 CG CD CE NZ REMARK 470 VAL B 293 CG1 CG2 REMARK 470 THR B 294 OG1 CG2 REMARK 470 MET B 295 CG SD CE REMARK 470 ASP B 296 CG OD1 OD2 REMARK 470 SER B 297 OG REMARK 470 ASP B 298 CG OD1 OD2 REMARK 470 LEU B 299 CG CD1 CD2 REMARK 470 GLU B 364 CG CD OE1 OE2 REMARK 470 ARG C 121 CG CD NE CZ NH1 NH2 REMARK 470 GLU C 123 CG CD OE1 OE2 REMARK 470 ILE C 124 CG1 CG2 CD1 REMARK 470 ASP C 126 CG OD1 OD2 REMARK 470 THR C 127 OG1 CG2 REMARK 470 GLN C 128 CG CD OE1 NE2 REMARK 470 MET C 129 CG SD CE REMARK 470 PHE C 144 CG CD1 CD2 CE1 CE2 CZ REMARK 470 ARG C 145 CG CD NE CZ NH1 NH2 REMARK 470 SER C 146 OG REMARK 470 PHE C 147 CG CD1 CD2 CE1 CE2 CZ REMARK 470 LYS C 148 CG CD CE NZ REMARK 470 LYS C 150 CG CD CE NZ REMARK 470 VAL C 293 CG1 CG2 REMARK 470 THR C 294 OG1 CG2 REMARK 470 MET C 295 CG SD CE REMARK 470 ASP C 296 CG OD1 OD2 REMARK 470 SER C 297 OG REMARK 470 ASP C 298 CG OD1 OD2 REMARK 470 LEU C 299 CG CD1 CD2 REMARK 470 GLU C 364 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 TYR A 122 66.99 62.53 REMARK 500 ALA A 130 -62.66 -95.31 REMARK 500 LYS A 291 63.54 -101.92 REMARK 500 ASP A 298 17.50 -140.53 REMARK 500 PHE A 302 -168.44 -124.99 REMARK 500 CYS A 323 25.29 -140.71 REMARK 500 SER A 377 148.81 -174.82 REMARK 500 TYR A 417 99.70 -160.22 REMARK 500 TYR B 122 66.97 62.51 REMARK 500 ALA B 130 -62.66 -95.24 REMARK 500 LYS B 291 63.50 -101.91 REMARK 500 ASP B 298 17.58 -140.45 REMARK 500 PHE B 302 -168.42 -124.99 REMARK 500 CYS B 323 25.26 -140.72 REMARK 500 SER B 377 148.82 -174.81 REMARK 500 TYR B 417 99.70 -160.23 REMARK 500 TYR C 122 66.96 62.60 REMARK 500 ALA C 130 -62.60 -95.28 REMARK 500 LYS C 291 63.52 -101.94 REMARK 500 ASP C 298 17.64 -140.48 REMARK 500 PHE C 302 -168.35 -125.00 REMARK 500 CYS C 323 25.21 -140.68 REMARK 500 SER C 377 148.87 -174.80 REMARK 500 TYR C 417 99.75 -160.27 REMARK 500 LYS D 17 -159.45 -87.94 REMARK 500 THR D 23 61.07 -101.31 REMARK 500 MET D 25 75.55 52.89 REMARK 500 PHE D 27 -18.99 70.66 REMARK 500 ARG D 28 -159.38 -152.64 REMARK 500 LYS E 17 -159.47 -87.99 REMARK 500 THR E 23 61.07 -101.21 REMARK 500 MET E 25 75.50 52.97 REMARK 500 PHE E 27 -18.94 70.62 REMARK 500 ARG E 28 -159.38 -152.63 REMARK 500 LYS F 17 -159.48 -87.96 REMARK 500 THR F 23 61.09 -101.29 REMARK 500 MET F 25 75.53 52.90 REMARK 500 PHE F 27 -18.89 70.54 REMARK 500 ARG F 28 -159.43 -152.69 REMARK 500 REMARK 500 REMARK: NULL REMARK 900 REMARK 900 RELATED ENTRIES REMARK 900 RELATED ID: 7CFS RELATED DB: PDB REMARK 900 7CFS CONTAINS THE SAMPLE PROTEIN HASIC1A. REMARK 900 RELATED ID: EMD-30347 RELATED DB: EMDB REMARK 900 CRYO-EM STRUCUTRE OF HUMAN ACID-SENSING ION CHANNEL 1A IN COMPLEX REMARK 900 WITH SNAKE TOXIN MAMBALGIN1 AT PH 8.0 DBREF 7CFT A 1 468 UNP P78348 ASIC1_HUMAN 1 468 DBREF 7CFT B 1 468 UNP P78348 ASIC1_HUMAN 1 468 DBREF 7CFT C 1 468 UNP P78348 ASIC1_HUMAN 1 468 DBREF 7CFT D 1 57 UNP P0DKR6 3SX1_DENPO 22 78 DBREF 7CFT E 1 57 UNP P0DKR6 3SX1_DENPO 22 78 DBREF 7CFT F 1 57 UNP P0DKR6 3SX1_DENPO 22 78 SEQADV 7CFT MET A -8 UNP P78348 INITIATING METHIONINE SEQADV 7CFT HIS A -7 UNP P78348 EXPRESSION TAG SEQADV 7CFT HIS A -6 UNP P78348 EXPRESSION TAG SEQADV 7CFT HIS A -5 UNP P78348 EXPRESSION TAG SEQADV 7CFT HIS A -4 UNP P78348 EXPRESSION TAG SEQADV 7CFT HIS A -3 UNP P78348 EXPRESSION TAG SEQADV 7CFT HIS A -2 UNP P78348 EXPRESSION TAG SEQADV 7CFT HIS A -1 UNP P78348 EXPRESSION TAG SEQADV 7CFT HIS A 0 UNP P78348 EXPRESSION TAG SEQADV 7CFT MET B -8 UNP P78348 INITIATING METHIONINE SEQADV 7CFT HIS B -7 UNP P78348 EXPRESSION TAG SEQADV 7CFT HIS B -6 UNP P78348 EXPRESSION TAG SEQADV 7CFT HIS B -5 UNP P78348 EXPRESSION TAG SEQADV 7CFT HIS B -4 UNP P78348 EXPRESSION TAG SEQADV 7CFT HIS B -3 UNP P78348 EXPRESSION TAG SEQADV 7CFT HIS B -2 UNP P78348 EXPRESSION TAG SEQADV 7CFT HIS B -1 UNP P78348 EXPRESSION TAG SEQADV 7CFT HIS B 0 UNP P78348 EXPRESSION TAG SEQADV 7CFT MET C -8 UNP P78348 INITIATING METHIONINE SEQADV 7CFT HIS C -7 UNP P78348 EXPRESSION TAG SEQADV 7CFT HIS C -6 UNP P78348 EXPRESSION TAG SEQADV 7CFT HIS C -5 UNP P78348 EXPRESSION TAG SEQADV 7CFT HIS C -4 UNP P78348 EXPRESSION TAG SEQADV 7CFT HIS C -3 UNP P78348 EXPRESSION TAG SEQADV 7CFT HIS C -2 UNP P78348 EXPRESSION TAG SEQADV 7CFT HIS C -1 UNP P78348 EXPRESSION TAG SEQADV 7CFT HIS C 0 UNP P78348 EXPRESSION TAG SEQRES 1 A 477 MET HIS HIS HIS HIS HIS HIS HIS HIS MET GLU LEU LYS SEQRES 2 A 477 ALA GLU GLU GLU GLU VAL GLY GLY VAL GLN PRO VAL SER SEQRES 3 A 477 ILE GLN ALA PHE ALA SER SER SER THR LEU HIS GLY LEU SEQRES 4 A 477 ALA HIS ILE PHE SER TYR GLU ARG LEU SER LEU LYS ARG SEQRES 5 A 477 ALA LEU TRP ALA LEU CYS PHE LEU GLY SER LEU ALA VAL SEQRES 6 A 477 LEU LEU CYS VAL CYS THR GLU ARG VAL GLN TYR TYR PHE SEQRES 7 A 477 HIS TYR HIS HIS VAL THR LYS LEU ASP GLU VAL ALA ALA SEQRES 8 A 477 SER GLN LEU THR PHE PRO ALA VAL THR LEU CYS ASN LEU SEQRES 9 A 477 ASN GLU PHE ARG PHE SER GLN VAL SER LYS ASN ASP LEU SEQRES 10 A 477 TYR HIS ALA GLY GLU LEU LEU ALA LEU LEU ASN ASN ARG SEQRES 11 A 477 TYR GLU ILE PRO ASP THR GLN MET ALA ASP GLU LYS GLN SEQRES 12 A 477 LEU GLU ILE LEU GLN ASP LYS ALA ASN PHE ARG SER PHE SEQRES 13 A 477 LYS PRO LYS PRO PHE ASN MET ARG GLU PHE TYR ASP ARG SEQRES 14 A 477 ALA GLY HIS ASP ILE ARG ASP MET LEU LEU SER CYS HIS SEQRES 15 A 477 PHE ARG GLY GLU VAL CYS SER ALA GLU ASP PHE LYS VAL SEQRES 16 A 477 VAL PHE THR ARG TYR GLY LYS CYS TYR THR PHE ASN SER SEQRES 17 A 477 GLY ARG ASP GLY ARG PRO ARG LEU LYS THR MET LYS GLY SEQRES 18 A 477 GLY THR GLY ASN GLY LEU GLU ILE MET LEU ASP ILE GLN SEQRES 19 A 477 GLN ASP GLU TYR LEU PRO VAL TRP GLY GLU THR ASP GLU SEQRES 20 A 477 THR SER PHE GLU ALA GLY ILE LYS VAL GLN ILE HIS SER SEQRES 21 A 477 GLN ASP GLU PRO PRO PHE ILE ASP GLN LEU GLY PHE GLY SEQRES 22 A 477 VAL ALA PRO GLY PHE GLN THR PHE VAL ALA CYS GLN GLU SEQRES 23 A 477 GLN ARG LEU ILE TYR LEU PRO PRO PRO TRP GLY THR CYS SEQRES 24 A 477 LYS ALA VAL THR MET ASP SER ASP LEU ASP PHE PHE ASP SEQRES 25 A 477 SER TYR SER ILE THR ALA CYS ARG ILE ASP CYS GLU THR SEQRES 26 A 477 ARG TYR LEU VAL GLU ASN CYS ASN CYS ARG MET VAL HIS SEQRES 27 A 477 MET PRO GLY ASP ALA PRO TYR CYS THR PRO GLU GLN TYR SEQRES 28 A 477 LYS GLU CYS ALA ASP PRO ALA LEU ASP PHE LEU VAL GLU SEQRES 29 A 477 LYS ASP GLN GLU TYR CYS VAL CYS GLU MET PRO CYS ASN SEQRES 30 A 477 LEU THR ARG TYR GLY LYS GLU LEU SER MET VAL LYS ILE SEQRES 31 A 477 PRO SER LYS ALA SER ALA LYS TYR LEU ALA LYS LYS PHE SEQRES 32 A 477 ASN LYS SER GLU GLN TYR ILE GLY GLU ASN ILE LEU VAL SEQRES 33 A 477 LEU ASP ILE PHE PHE GLU VAL LEU ASN TYR GLU THR ILE SEQRES 34 A 477 GLU GLN LYS LYS ALA TYR GLU ILE ALA GLY LEU LEU GLY SEQRES 35 A 477 ASP ILE GLY GLY GLN MET GLY LEU PHE ILE GLY ALA SER SEQRES 36 A 477 ILE LEU THR VAL LEU GLU LEU PHE ASP TYR ALA TYR GLU SEQRES 37 A 477 VAL ILE LYS HIS LYS LEU CYS ARG ARG SEQRES 1 B 477 MET HIS HIS HIS HIS HIS HIS HIS HIS MET GLU LEU LYS SEQRES 2 B 477 ALA GLU GLU GLU GLU VAL GLY GLY VAL GLN PRO VAL SER SEQRES 3 B 477 ILE GLN ALA PHE ALA SER SER SER THR LEU HIS GLY LEU SEQRES 4 B 477 ALA HIS ILE PHE SER TYR GLU ARG LEU SER LEU LYS ARG SEQRES 5 B 477 ALA LEU TRP ALA LEU CYS PHE LEU GLY SER LEU ALA VAL SEQRES 6 B 477 LEU LEU CYS VAL CYS THR GLU ARG VAL GLN TYR TYR PHE SEQRES 7 B 477 HIS TYR HIS HIS VAL THR LYS LEU ASP GLU VAL ALA ALA SEQRES 8 B 477 SER GLN LEU THR PHE PRO ALA VAL THR LEU CYS ASN LEU SEQRES 9 B 477 ASN GLU PHE ARG PHE SER GLN VAL SER LYS ASN ASP LEU SEQRES 10 B 477 TYR HIS ALA GLY GLU LEU LEU ALA LEU LEU ASN ASN ARG SEQRES 11 B 477 TYR GLU ILE PRO ASP THR GLN MET ALA ASP GLU LYS GLN SEQRES 12 B 477 LEU GLU ILE LEU GLN ASP LYS ALA ASN PHE ARG SER PHE SEQRES 13 B 477 LYS PRO LYS PRO PHE ASN MET ARG GLU PHE TYR ASP ARG SEQRES 14 B 477 ALA GLY HIS ASP ILE ARG ASP MET LEU LEU SER CYS HIS SEQRES 15 B 477 PHE ARG GLY GLU VAL CYS SER ALA GLU ASP PHE LYS VAL SEQRES 16 B 477 VAL PHE THR ARG TYR GLY LYS CYS TYR THR PHE ASN SER SEQRES 17 B 477 GLY ARG ASP GLY ARG PRO ARG LEU LYS THR MET LYS GLY SEQRES 18 B 477 GLY THR GLY ASN GLY LEU GLU ILE MET LEU ASP ILE GLN SEQRES 19 B 477 GLN ASP GLU TYR LEU PRO VAL TRP GLY GLU THR ASP GLU SEQRES 20 B 477 THR SER PHE GLU ALA GLY ILE LYS VAL GLN ILE HIS SER SEQRES 21 B 477 GLN ASP GLU PRO PRO PHE ILE ASP GLN LEU GLY PHE GLY SEQRES 22 B 477 VAL ALA PRO GLY PHE GLN THR PHE VAL ALA CYS GLN GLU SEQRES 23 B 477 GLN ARG LEU ILE TYR LEU PRO PRO PRO TRP GLY THR CYS SEQRES 24 B 477 LYS ALA VAL THR MET ASP SER ASP LEU ASP PHE PHE ASP SEQRES 25 B 477 SER TYR SER ILE THR ALA CYS ARG ILE ASP CYS GLU THR SEQRES 26 B 477 ARG TYR LEU VAL GLU ASN CYS ASN CYS ARG MET VAL HIS SEQRES 27 B 477 MET PRO GLY ASP ALA PRO TYR CYS THR PRO GLU GLN TYR SEQRES 28 B 477 LYS GLU CYS ALA ASP PRO ALA LEU ASP PHE LEU VAL GLU SEQRES 29 B 477 LYS ASP GLN GLU TYR CYS VAL CYS GLU MET PRO CYS ASN SEQRES 30 B 477 LEU THR ARG TYR GLY LYS GLU LEU SER MET VAL LYS ILE SEQRES 31 B 477 PRO SER LYS ALA SER ALA LYS TYR LEU ALA LYS LYS PHE SEQRES 32 B 477 ASN LYS SER GLU GLN TYR ILE GLY GLU ASN ILE LEU VAL SEQRES 33 B 477 LEU ASP ILE PHE PHE GLU VAL LEU ASN TYR GLU THR ILE SEQRES 34 B 477 GLU GLN LYS LYS ALA TYR GLU ILE ALA GLY LEU LEU GLY SEQRES 35 B 477 ASP ILE GLY GLY GLN MET GLY LEU PHE ILE GLY ALA SER SEQRES 36 B 477 ILE LEU THR VAL LEU GLU LEU PHE ASP TYR ALA TYR GLU SEQRES 37 B 477 VAL ILE LYS HIS LYS LEU CYS ARG ARG SEQRES 1 C 477 MET HIS HIS HIS HIS HIS HIS HIS HIS MET GLU LEU LYS SEQRES 2 C 477 ALA GLU GLU GLU GLU VAL GLY GLY VAL GLN PRO VAL SER SEQRES 3 C 477 ILE GLN ALA PHE ALA SER SER SER THR LEU HIS GLY LEU SEQRES 4 C 477 ALA HIS ILE PHE SER TYR GLU ARG LEU SER LEU LYS ARG SEQRES 5 C 477 ALA LEU TRP ALA LEU CYS PHE LEU GLY SER LEU ALA VAL SEQRES 6 C 477 LEU LEU CYS VAL CYS THR GLU ARG VAL GLN TYR TYR PHE SEQRES 7 C 477 HIS TYR HIS HIS VAL THR LYS LEU ASP GLU VAL ALA ALA SEQRES 8 C 477 SER GLN LEU THR PHE PRO ALA VAL THR LEU CYS ASN LEU SEQRES 9 C 477 ASN GLU PHE ARG PHE SER GLN VAL SER LYS ASN ASP LEU SEQRES 10 C 477 TYR HIS ALA GLY GLU LEU LEU ALA LEU LEU ASN ASN ARG SEQRES 11 C 477 TYR GLU ILE PRO ASP THR GLN MET ALA ASP GLU LYS GLN SEQRES 12 C 477 LEU GLU ILE LEU GLN ASP LYS ALA ASN PHE ARG SER PHE SEQRES 13 C 477 LYS PRO LYS PRO PHE ASN MET ARG GLU PHE TYR ASP ARG SEQRES 14 C 477 ALA GLY HIS ASP ILE ARG ASP MET LEU LEU SER CYS HIS SEQRES 15 C 477 PHE ARG GLY GLU VAL CYS SER ALA GLU ASP PHE LYS VAL SEQRES 16 C 477 VAL PHE THR ARG TYR GLY LYS CYS TYR THR PHE ASN SER SEQRES 17 C 477 GLY ARG ASP GLY ARG PRO ARG LEU LYS THR MET LYS GLY SEQRES 18 C 477 GLY THR GLY ASN GLY LEU GLU ILE MET LEU ASP ILE GLN SEQRES 19 C 477 GLN ASP GLU TYR LEU PRO VAL TRP GLY GLU THR ASP GLU SEQRES 20 C 477 THR SER PHE GLU ALA GLY ILE LYS VAL GLN ILE HIS SER SEQRES 21 C 477 GLN ASP GLU PRO PRO PHE ILE ASP GLN LEU GLY PHE GLY SEQRES 22 C 477 VAL ALA PRO GLY PHE GLN THR PHE VAL ALA CYS GLN GLU SEQRES 23 C 477 GLN ARG LEU ILE TYR LEU PRO PRO PRO TRP GLY THR CYS SEQRES 24 C 477 LYS ALA VAL THR MET ASP SER ASP LEU ASP PHE PHE ASP SEQRES 25 C 477 SER TYR SER ILE THR ALA CYS ARG ILE ASP CYS GLU THR SEQRES 26 C 477 ARG TYR LEU VAL GLU ASN CYS ASN CYS ARG MET VAL HIS SEQRES 27 C 477 MET PRO GLY ASP ALA PRO TYR CYS THR PRO GLU GLN TYR SEQRES 28 C 477 LYS GLU CYS ALA ASP PRO ALA LEU ASP PHE LEU VAL GLU SEQRES 29 C 477 LYS ASP GLN GLU TYR CYS VAL CYS GLU MET PRO CYS ASN SEQRES 30 C 477 LEU THR ARG TYR GLY LYS GLU LEU SER MET VAL LYS ILE SEQRES 31 C 477 PRO SER LYS ALA SER ALA LYS TYR LEU ALA LYS LYS PHE SEQRES 32 C 477 ASN LYS SER GLU GLN TYR ILE GLY GLU ASN ILE LEU VAL SEQRES 33 C 477 LEU ASP ILE PHE PHE GLU VAL LEU ASN TYR GLU THR ILE SEQRES 34 C 477 GLU GLN LYS LYS ALA TYR GLU ILE ALA GLY LEU LEU GLY SEQRES 35 C 477 ASP ILE GLY GLY GLN MET GLY LEU PHE ILE GLY ALA SER SEQRES 36 C 477 ILE LEU THR VAL LEU GLU LEU PHE ASP TYR ALA TYR GLU SEQRES 37 C 477 VAL ILE LYS HIS LYS LEU CYS ARG ARG SEQRES 1 D 57 LEU LYS CYS TYR GLN HIS GLY LYS VAL VAL THR CYS HIS SEQRES 2 D 57 ARG ASP MET LYS PHE CYS TYR HIS ASN THR GLY MET PRO SEQRES 3 D 57 PHE ARG ASN LEU LYS LEU ILE LEU GLN GLY CYS SER SER SEQRES 4 D 57 SER CYS SER GLU THR GLU ASN ASN LYS CYS CYS SER THR SEQRES 5 D 57 ASP ARG CYS ASN LYS SEQRES 1 E 57 LEU LYS CYS TYR GLN HIS GLY LYS VAL VAL THR CYS HIS SEQRES 2 E 57 ARG ASP MET LYS PHE CYS TYR HIS ASN THR GLY MET PRO SEQRES 3 E 57 PHE ARG ASN LEU LYS LEU ILE LEU GLN GLY CYS SER SER SEQRES 4 E 57 SER CYS SER GLU THR GLU ASN ASN LYS CYS CYS SER THR SEQRES 5 E 57 ASP ARG CYS ASN LYS SEQRES 1 F 57 LEU LYS CYS TYR GLN HIS GLY LYS VAL VAL THR CYS HIS SEQRES 2 F 57 ARG ASP MET LYS PHE CYS TYR HIS ASN THR GLY MET PRO SEQRES 3 F 57 PHE ARG ASN LEU LYS LEU ILE LEU GLN GLY CYS SER SER SEQRES 4 F 57 SER CYS SER GLU THR GLU ASN ASN LYS CYS CYS SER THR SEQRES 5 F 57 ASP ARG CYS ASN LYS HET NAG A 601 14 HET NAG A 602 14 HET NAG B 601 14 HET NAG B 602 14 HET NAG C 601 14 HET NAG C 602 14 HETNAM NAG 2-ACETAMIDO-2-DEOXY-BETA-D-GLUCOPYRANOSE 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 7 NAG 6(C8 H15 N O6) HELIX 1 AA1 CYS A 49 TYR A 67 1 19 HELIX 2 AA2 ARG A 99 VAL A 103 5 5 HELIX 3 AA3 SER A 104 ALA A 111 1 8 HELIX 4 AA4 GLU A 132 LYS A 141 1 10 HELIX 5 AA5 ASN A 153 ALA A 161 1 9 HELIX 6 AA6 ASP A 164 LEU A 169 1 6 HELIX 7 AA7 SER A 180 PHE A 184 5 5 HELIX 8 AA8 GLN A 225 TYR A 229 5 5 HELIX 9 AA9 PHE A 257 GLY A 262 1 6 HELIX 10 AB1 SER A 306 ASN A 324 1 19 HELIX 11 AB2 THR A 338 CYS A 345 1 8 HELIX 12 AB3 CYS A 345 PHE A 352 1 8 HELIX 13 AB4 SER A 386 PHE A 394 1 9 HELIX 14 AB5 GLU A 427 ALA A 429 5 3 HELIX 15 AB6 GLY A 430 GLY A 440 1 11 HELIX 16 AB7 ILE A 447 ALA A 457 1 11 HELIX 17 AB8 ALA A 457 LYS A 462 1 6 HELIX 18 AB9 CYS B 49 TYR B 67 1 19 HELIX 19 AC1 ARG B 99 VAL B 103 5 5 HELIX 20 AC2 SER B 104 ALA B 111 1 8 HELIX 21 AC3 GLU B 132 LYS B 141 1 10 HELIX 22 AC4 ASN B 153 ALA B 161 1 9 HELIX 23 AC5 ASP B 164 LEU B 169 1 6 HELIX 24 AC6 SER B 180 PHE B 184 5 5 HELIX 25 AC7 GLN B 225 TYR B 229 5 5 HELIX 26 AC8 PHE B 257 GLY B 262 1 6 HELIX 27 AC9 SER B 306 ASN B 324 1 19 HELIX 28 AD1 THR B 338 CYS B 345 1 8 HELIX 29 AD2 CYS B 345 PHE B 352 1 8 HELIX 30 AD3 SER B 386 PHE B 394 1 9 HELIX 31 AD4 GLU B 427 ALA B 429 5 3 HELIX 32 AD5 GLY B 430 GLY B 440 1 11 HELIX 33 AD6 ILE B 447 ALA B 457 1 11 HELIX 34 AD7 ALA B 457 LYS B 462 1 6 HELIX 35 AD8 CYS C 49 TYR C 67 1 19 HELIX 36 AD9 ARG C 99 VAL C 103 5 5 HELIX 37 AE1 SER C 104 ALA C 111 1 8 HELIX 38 AE2 GLU C 132 LYS C 141 1 10 HELIX 39 AE3 ASN C 153 ALA C 161 1 9 HELIX 40 AE4 ASP C 164 LEU C 169 1 6 HELIX 41 AE5 SER C 180 PHE C 184 5 5 HELIX 42 AE6 GLN C 225 TYR C 229 5 5 HELIX 43 AE7 PHE C 257 GLY C 262 1 6 HELIX 44 AE8 SER C 306 ASN C 324 1 19 HELIX 45 AE9 THR C 338 CYS C 345 1 8 HELIX 46 AF1 CYS C 345 PHE C 352 1 8 HELIX 47 AF2 SER C 386 PHE C 394 1 9 HELIX 48 AF3 GLU C 427 ALA C 429 5 3 HELIX 49 AF4 GLY C 430 GLY C 440 1 11 HELIX 50 AF5 ILE C 447 ALA C 457 1 11 HELIX 51 AF6 ALA C 457 LYS C 462 1 6 SHEET 1 AA1 4 HIS A 73 LEU A 77 0 SHEET 2 AA1 4 GLU A 418 LYS A 424 -1 O LYS A 423 N VAL A 74 SHEET 3 AA1 4 PHE A 269 ILE A 281 1 N ARG A 279 O ILE A 420 SHEET 4 AA1 4 TYR A 372 GLU A 375 -1 O GLY A 373 N GLN A 276 SHEET 1 AA2 4 ILE A 220 LEU A 222 0 SHEET 2 AA2 4 LEU A 406 PHE A 412 -1 O LEU A 408 N ILE A 220 SHEET 3 AA2 4 PHE A 269 ILE A 281 1 N VAL A 273 O ASP A 409 SHEET 4 AA2 4 MET A 378 LYS A 380 -1 O VAL A 379 N GLN A 270 SHEET 1 AA3 2 LEU A 85 THR A 86 0 SHEET 2 AA3 2 LYS A 208 THR A 209 -1 O THR A 209 N LEU A 85 SHEET 1 AA4 5 VAL A 187 THR A 189 0 SHEET 2 AA4 5 GLY A 192 THR A 196 -1 O CYS A 194 N VAL A 187 SHEET 3 AA4 5 ALA A 89 ASN A 94 -1 N LEU A 92 O TYR A 195 SHEET 4 AA4 5 ILE A 245 HIS A 250 -1 O LYS A 246 N CYS A 93 SHEET 5 AA4 5 PHE A 263 VAL A 265 -1 O VAL A 265 N ILE A 245 SHEET 1 AA5 2 HIS A 173 PHE A 174 0 SHEET 2 AA5 2 GLU A 177 VAL A 178 -1 O GLU A 177 N PHE A 174 SHEET 1 AA6 4 HIS B 73 LEU B 77 0 SHEET 2 AA6 4 GLU B 418 LYS B 424 -1 O LYS B 423 N VAL B 74 SHEET 3 AA6 4 PHE B 269 ILE B 281 1 N ARG B 279 O ILE B 420 SHEET 4 AA6 4 TYR B 372 GLU B 375 -1 O GLY B 373 N GLN B 276 SHEET 1 AA7 4 ILE B 220 LEU B 222 0 SHEET 2 AA7 4 LEU B 406 PHE B 412 -1 O LEU B 408 N ILE B 220 SHEET 3 AA7 4 PHE B 269 ILE B 281 1 N VAL B 273 O ASP B 409 SHEET 4 AA7 4 MET B 378 LYS B 380 -1 O VAL B 379 N GLN B 270 SHEET 1 AA8 2 LEU B 85 THR B 86 0 SHEET 2 AA8 2 LYS B 208 THR B 209 -1 O THR B 209 N LEU B 85 SHEET 1 AA9 5 VAL B 187 THR B 189 0 SHEET 2 AA9 5 GLY B 192 THR B 196 -1 O CYS B 194 N VAL B 187 SHEET 3 AA9 5 ALA B 89 ASN B 94 -1 N LEU B 92 O TYR B 195 SHEET 4 AA9 5 ILE B 245 HIS B 250 -1 O LYS B 246 N CYS B 93 SHEET 5 AA9 5 PHE B 263 VAL B 265 -1 O VAL B 265 N ILE B 245 SHEET 1 AB1 2 HIS B 173 PHE B 174 0 SHEET 2 AB1 2 GLU B 177 VAL B 178 -1 O GLU B 177 N PHE B 174 SHEET 1 AB2 4 HIS C 73 LEU C 77 0 SHEET 2 AB2 4 GLU C 418 LYS C 424 -1 O LYS C 423 N VAL C 74 SHEET 3 AB2 4 PHE C 269 ILE C 281 1 N ARG C 279 O ILE C 420 SHEET 4 AB2 4 TYR C 372 GLU C 375 -1 O GLY C 373 N GLN C 276 SHEET 1 AB3 4 ILE C 220 LEU C 222 0 SHEET 2 AB3 4 LEU C 406 PHE C 412 -1 O LEU C 408 N ILE C 220 SHEET 3 AB3 4 PHE C 269 ILE C 281 1 N VAL C 273 O ASP C 409 SHEET 4 AB3 4 MET C 378 LYS C 380 -1 O VAL C 379 N GLN C 270 SHEET 1 AB4 2 LEU C 85 THR C 86 0 SHEET 2 AB4 2 LYS C 208 THR C 209 -1 O THR C 209 N LEU C 85 SHEET 1 AB5 5 VAL C 187 THR C 189 0 SHEET 2 AB5 5 GLY C 192 THR C 196 -1 O CYS C 194 N VAL C 187 SHEET 3 AB5 5 ALA C 89 ASN C 94 -1 N LEU C 92 O TYR C 195 SHEET 4 AB5 5 ILE C 245 HIS C 250 -1 O LYS C 246 N CYS C 93 SHEET 5 AB5 5 PHE C 263 VAL C 265 -1 O VAL C 265 N ILE C 245 SHEET 1 AB6 2 HIS C 173 PHE C 174 0 SHEET 2 AB6 2 GLU C 177 VAL C 178 -1 O GLU C 177 N PHE C 174 SHEET 1 AB7 2 TYR D 20 ASN D 22 0 SHEET 2 AB7 2 LEU D 34 GLY D 36 -1 O LEU D 34 N ASN D 22 SHEET 1 AB8 2 TYR E 20 ASN E 22 0 SHEET 2 AB8 2 LEU E 34 GLY E 36 -1 O LEU E 34 N ASN E 22 SHEET 1 AB9 2 TYR F 20 ASN F 22 0 SHEET 2 AB9 2 LEU F 34 GLY F 36 -1 O LEU F 34 N ASN F 22 SSBOND 1 CYS A 93 CYS A 194 1555 1555 2.02 SSBOND 2 CYS A 172 CYS A 179 1555 1555 2.03 SSBOND 3 CYS A 290 CYS A 367 1555 1555 2.04 SSBOND 4 CYS A 310 CYS A 363 1555 1555 2.03 SSBOND 5 CYS A 314 CYS A 361 1555 1555 2.02 SSBOND 6 CYS A 323 CYS A 345 1555 1555 2.03 SSBOND 7 CYS A 325 CYS A 337 1555 1555 2.03 SSBOND 8 CYS B 93 CYS B 194 1555 1555 2.02 SSBOND 9 CYS B 172 CYS B 179 1555 1555 2.03 SSBOND 10 CYS B 290 CYS B 367 1555 1555 2.04 SSBOND 11 CYS B 310 CYS B 363 1555 1555 2.03 SSBOND 12 CYS B 314 CYS B 361 1555 1555 2.02 SSBOND 13 CYS B 323 CYS B 345 1555 1555 2.03 SSBOND 14 CYS B 325 CYS B 337 1555 1555 2.03 SSBOND 15 CYS C 93 CYS C 194 1555 1555 2.02 SSBOND 16 CYS C 172 CYS C 179 1555 1555 2.04 SSBOND 17 CYS C 290 CYS C 367 1555 1555 2.04 SSBOND 18 CYS C 310 CYS C 363 1555 1555 2.03 SSBOND 19 CYS C 314 CYS C 361 1555 1555 2.02 SSBOND 20 CYS C 323 CYS C 345 1555 1555 2.03 SSBOND 21 CYS C 325 CYS C 337 1555 1555 2.03 SSBOND 22 CYS D 3 CYS D 19 1555 1555 2.03 SSBOND 23 CYS D 12 CYS D 37 1555 1555 2.03 SSBOND 24 CYS D 41 CYS D 49 1555 1555 2.03 SSBOND 25 CYS D 50 CYS D 55 1555 1555 2.02 SSBOND 26 CYS E 3 CYS E 19 1555 1555 2.03 SSBOND 27 CYS E 12 CYS E 37 1555 1555 2.03 SSBOND 28 CYS E 41 CYS E 49 1555 1555 2.03 SSBOND 29 CYS E 50 CYS E 55 1555 1555 2.02 SSBOND 30 CYS F 3 CYS F 19 1555 1555 2.03 SSBOND 31 CYS F 12 CYS F 37 1555 1555 2.03 SSBOND 32 CYS F 41 CYS F 49 1555 1555 2.03 SSBOND 33 CYS F 50 CYS F 55 1555 1555 2.02 LINK ND2 ASN A 368 C1 NAG A 602 1555 1555 1.44 LINK ND2 ASN A 395 C1 NAG A 601 1555 1555 1.43 LINK ND2 ASN B 368 C1 NAG B 602 1555 1555 1.44 LINK ND2 ASN B 395 C1 NAG B 601 1555 1555 1.43 LINK ND2 ASN C 368 C1 NAG C 602 1555 1555 1.44 LINK ND2 ASN C 395 C1 NAG C 601 1555 1555 1.43 CISPEP 1 PRO A 285 PRO A 286 0 1.52 CISPEP 2 PRO B 285 PRO B 286 0 1.43 CISPEP 3 PRO C 285 PRO C 286 0 1.55 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