HEADER TRANSPORT PROTEIN 25-JUL-24 9IWS TITLE CRYO EM STRUCTURE OF HUMAN PHOSPHATE CHANNEL XPR1 IN COMPLEX WITH IP7 COMPND MOL_ID: 1; COMPND 2 MOLECULE: SOLUTE CARRIER FAMILY 53 MEMBER 1; COMPND 3 CHAIN: A, B; COMPND 4 SYNONYM: PHOSPHATE EXPORTER SLC53A1,PROTEIN SYG1 HOMOLOG,XENOTROPIC COMPND 5 AND POLYTROPIC MURINE LEUKEMIA VIRUS RECEPTOR X3,X-RECEPTOR, COMPND 6 XENOTROPIC AND POLYTROPIC RETROVIRUS RECEPTOR 1; COMPND 7 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: XPR1, SLC53A1, SYG1, X3; SOURCE 6 EXPRESSION_SYSTEM: HOMO SAPIENS; SOURCE 7 EXPRESSION_SYSTEM_COMMON: HUMAN; SOURCE 8 EXPRESSION_SYSTEM_TAXID: 9606 KEYWDS PHOSPHATE CHANNEL, INOSITOL PYROSPHOSPHATE, MEMBRANE PROTEIN, KEYWDS 2 PHOSPHATE HOMEOSTASIS, TRANSPORT PROTEIN EXPDTA ELECTRON MICROSCOPY AUTHOR Y.LU,C.YUE,L.ZHANG,D.YAO,Y.YU,Y.CAO REVDAT 1 09-OCT-24 9IWS 0 JRNL AUTH Y.LU,C.X.YUE,L.ZHANG,D.YAO,Y.XIA,Q.ZHANG,X.ZHANG,S.LI, JRNL AUTH 2 Y.SHEN,M.CAO,C.R.GUO,A.QIN,J.ZHAO,L.ZHOU,Y.YU,Y.CAO JRNL TITL STRUCTURAL BASIS FOR INOSITOL PYROPHOSPHATE GATING OF THE JRNL TITL 2 PHOSPHATE CHANNEL XPR1. JRNL REF SCIENCE P3252 2024 JRNL REFN ESSN 1095-9203 JRNL PMID 39325866 JRNL DOI 10.1126/SCIENCE.ADP3252 REMARK 2 REMARK 2 RESOLUTION. 2.86 ANGSTROMS. REMARK 3 REMARK 3 REFINEMENT. REMARK 3 SOFTWARE PACKAGES : PHENIX REMARK 3 RECONSTRUCTION SCHEMA : NULL REMARK 3 REMARK 3 EM MAP-MODEL FITTING AND REFINEMENT REMARK 3 PDB ENTRY : NULL REMARK 3 REFINEMENT SPACE : NULL REMARK 3 REFINEMENT PROTOCOL : NULL 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) : 2.860 REMARK 3 NUMBER OF PARTICLES : 167520 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 9IWS COMPLIES WITH FORMAT V. 3.30, 13-JUL-11 REMARK 100 REMARK 100 THIS ENTRY HAS BEEN PROCESSED BY PDBC ON 30-JUL-24. REMARK 100 THE DEPOSITION ID IS D_1300049666. 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 : CRYO EM STRUCTURE OF HUMAN REMARK 245 PHOSPHATE CHANNEL XPR1 IN REMARK 245 COMPLEX WITH IP7 REMARK 245 SAMPLE CONCENTRATION (MG ML-1) : NULL 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 : NULL 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) : 1000.00 REMARK 245 MAXIMUM DEFOCUS (NM) : 2600.00 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) : 5000.00 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 : 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: DIMERIC REMARK 350 APPLY THE FOLLOWING TO CHAINS: A, B REMARK 350 BIOMT1 1 1.000000 0.000000 0.000000 0.00000 REMARK 350 BIOMT2 1 0.000000 1.000000 0.000000 0.00000 REMARK 350 BIOMT3 1 0.000000 0.000000 1.000000 0.00000 REMARK 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 101 REMARK 465 THR A 102 REMARK 465 GLY A 103 REMARK 465 VAL A 104 REMARK 465 THR A 105 REMARK 465 THR A 106 REMARK 465 LEU A 107 REMARK 465 ARG A 108 REMARK 465 GLN A 109 REMARK 465 ARG A 110 REMARK 465 ARG A 111 REMARK 465 LYS A 112 REMARK 465 PRO A 113 REMARK 465 VAL A 114 REMARK 465 PHE A 115 REMARK 465 HIS A 116 REMARK 465 LEU A 117 REMARK 465 SER B 101 REMARK 465 THR B 102 REMARK 465 GLY B 103 REMARK 465 VAL B 104 REMARK 465 THR B 105 REMARK 465 THR B 106 REMARK 465 LEU B 107 REMARK 465 ARG B 108 REMARK 465 GLN B 109 REMARK 465 ARG B 110 REMARK 465 ARG B 111 REMARK 465 LYS B 112 REMARK 465 PRO B 113 REMARK 465 VAL B 114 REMARK 465 PHE B 115 REMARK 465 HIS B 116 REMARK 465 LEU B 117 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 ARG B 171 NE - CZ - NH1 ANGL. DEV. = 3.3 DEGREES REMARK 500 PRO B 431 C - N - CD ANGL. DEV. = -16.8 DEGREES REMARK 500 PRO B 431 CA - CB - CG ANGL. DEV. = -13.3 DEGREES REMARK 500 PRO B 586 C - N - CD ANGL. DEV. = -17.9 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 PHE A 185 -7.55 -47.57 REMARK 500 PRO A 222 75.16 -68.47 REMARK 500 GLN A 227 109.87 -47.86 REMARK 500 PHE A 257 -60.31 -93.98 REMARK 500 SER A 264 152.43 67.91 REMARK 500 PRO A 267 0.15 -66.79 REMARK 500 PHE A 336 -85.38 -84.04 REMARK 500 ALA A 337 63.81 -177.13 REMARK 500 LEU A 430 -81.80 -64.20 REMARK 500 PRO A 431 108.89 -48.91 REMARK 500 ASN A 433 103.73 -56.50 REMARK 500 GLU A 436 32.75 -95.79 REMARK 500 HIS A 441 46.93 -94.11 REMARK 500 TYR A 443 -1.04 -140.99 REMARK 500 ARG A 448 -11.88 -141.94 REMARK 500 LYS A 471 70.60 -69.70 REMARK 500 LEU A 547 -168.03 -125.90 REMARK 500 HIS A 587 -29.37 -142.54 REMARK 500 PRO B 37 -74.96 -63.78 REMARK 500 SER B 38 145.49 178.11 REMARK 500 ASP B 43 143.78 93.13 REMARK 500 GLU B 168 59.01 38.27 REMARK 500 PHE B 185 -6.99 -49.03 REMARK 500 PRO B 222 78.28 -69.78 REMARK 500 GLN B 227 122.32 -38.73 REMARK 500 ASP B 262 -77.99 -78.57 REMARK 500 SER B 264 150.83 71.11 REMARK 500 TRP B 423 -9.94 71.06 REMARK 500 PRO B 431 -138.23 -167.06 REMARK 500 LEU B 547 -168.87 -126.48 REMARK 500 LEU B 585 82.69 58.64 REMARK 500 PRO B 586 -89.79 -32.27 REMARK 500 LEU B 617 49.21 -80.01 REMARK 500 REMARK 500 REMARK: NULL REMARK 900 REMARK 900 RELATED ENTRIES REMARK 900 RELATED ID: EMD-60962 RELATED DB: EMDB REMARK 900 A HUMAN TRANSPORTER FOR SUBSTRATE TRANSLOCATION DBREF 9IWS A 1 631 UNP Q9UBH6 S53A1_HUMAN 1 631 DBREF 9IWS B 1 631 UNP Q9UBH6 S53A1_HUMAN 1 631 SEQRES 1 A 631 MET LYS PHE ALA GLU HIS LEU SER ALA HIS ILE THR PRO SEQRES 2 A 631 GLU TRP ARG LYS GLN TYR ILE GLN TYR GLU ALA PHE LYS SEQRES 3 A 631 ASP MET LEU TYR SER ALA GLN ASP GLN ALA PRO SER VAL SEQRES 4 A 631 GLU VAL THR ASP GLU ASP THR VAL LYS ARG TYR PHE ALA SEQRES 5 A 631 LYS PHE GLU GLU LYS PHE PHE GLN THR CYS GLU LYS GLU SEQRES 6 A 631 LEU ALA LYS ILE ASN THR PHE TYR SER GLU LYS LEU ALA SEQRES 7 A 631 GLU ALA GLN ARG ARG PHE ALA THR LEU GLN ASN GLU LEU SEQRES 8 A 631 GLN SER SER LEU ASP ALA GLN LYS GLU SER THR GLY VAL SEQRES 9 A 631 THR THR LEU ARG GLN ARG ARG LYS PRO VAL PHE HIS LEU SEQRES 10 A 631 SER HIS GLU GLU ARG VAL GLN HIS ARG ASN ILE LYS ASP SEQRES 11 A 631 LEU LYS LEU ALA PHE SER GLU PHE TYR LEU SER LEU ILE SEQRES 12 A 631 LEU LEU GLN ASN TYR GLN ASN LEU ASN PHE THR GLY PHE SEQRES 13 A 631 ARG LYS ILE LEU LYS LYS HIS ASP LYS ILE LEU GLU THR SEQRES 14 A 631 SER ARG GLY ALA ASP TRP ARG VAL ALA HIS VAL GLU VAL SEQRES 15 A 631 ALA PRO PHE TYR THR CYS LYS LYS ILE ASN GLN LEU ILE SEQRES 16 A 631 SER GLU THR GLU ALA VAL VAL THR ASN GLU LEU GLU ASP SEQRES 17 A 631 GLY ASP ARG GLN LYS ALA MET LYS ARG LEU ARG VAL PRO SEQRES 18 A 631 PRO LEU GLY ALA ALA GLN PRO ALA PRO ALA TRP THR THR SEQRES 19 A 631 PHE ARG VAL GLY LEU PHE CYS GLY ILE PHE ILE VAL LEU SEQRES 20 A 631 ASN ILE THR LEU VAL LEU ALA ALA VAL PHE LYS LEU GLU SEQRES 21 A 631 THR ASP ARG SER ILE TRP PRO LEU ILE ARG ILE TYR ARG SEQRES 22 A 631 GLY GLY PHE LEU LEU ILE GLU PHE LEU PHE LEU LEU GLY SEQRES 23 A 631 ILE ASN THR TYR GLY TRP ARG GLN ALA GLY VAL ASN HIS SEQRES 24 A 631 VAL LEU ILE PHE GLU LEU ASN PRO ARG SER ASN LEU SER SEQRES 25 A 631 HIS GLN HIS LEU PHE GLU ILE ALA GLY PHE LEU GLY ILE SEQRES 26 A 631 LEU TRP CYS LEU SER LEU LEU ALA CYS PHE PHE ALA PRO SEQRES 27 A 631 ILE SER VAL ILE PRO THR TYR VAL TYR PRO LEU ALA LEU SEQRES 28 A 631 TYR GLY PHE MET VAL PHE PHE LEU ILE ASN PRO THR LYS SEQRES 29 A 631 THR PHE TYR TYR LYS SER ARG PHE TRP LEU LEU LYS LEU SEQRES 30 A 631 LEU PHE ARG VAL PHE THR ALA PRO PHE HIS LYS VAL GLY SEQRES 31 A 631 PHE ALA ASP PHE TRP LEU ALA ASP GLN LEU ASN SER LEU SEQRES 32 A 631 SER VAL ILE LEU MET ASP LEU GLU TYR MET ILE CYS PHE SEQRES 33 A 631 TYR SER LEU GLU LEU LYS TRP ASP GLU SER LYS GLY LEU SEQRES 34 A 631 LEU PRO ASN ASN SER GLU GLU SER GLY ILE CYS HIS LYS SEQRES 35 A 631 TYR THR TYR GLY VAL ARG ALA ILE VAL GLN CYS ILE PRO SEQRES 36 A 631 ALA TRP LEU ARG PHE ILE GLN CYS LEU ARG ARG TYR ARG SEQRES 37 A 631 ASP THR LYS ARG ALA PHE PRO HIS LEU VAL ASN ALA GLY SEQRES 38 A 631 LYS TYR SER THR THR PHE PHE MET VAL THR PHE ALA ALA SEQRES 39 A 631 LEU TYR SER THR HIS LYS GLU ARG GLY HIS SER ASP THR SEQRES 40 A 631 MET VAL PHE PHE TYR LEU TRP ILE VAL PHE TYR ILE ILE SEQRES 41 A 631 SER SER CYS TYR THR LEU ILE TRP ASP LEU LYS MET ASP SEQRES 42 A 631 TRP GLY LEU PHE ASP LYS ASN ALA GLY GLU ASN THR PHE SEQRES 43 A 631 LEU ARG GLU GLU ILE VAL TYR PRO GLN LYS ALA TYR TYR SEQRES 44 A 631 TYR CYS ALA ILE ILE GLU ASP VAL ILE LEU ARG PHE ALA SEQRES 45 A 631 TRP THR ILE GLN ILE SER ILE THR SER THR THR LEU LEU SEQRES 46 A 631 PRO HIS SER GLY ASP ILE ILE ALA THR VAL PHE ALA PRO SEQRES 47 A 631 LEU GLU VAL PHE ARG ARG PHE VAL TRP ASN PHE PHE ARG SEQRES 48 A 631 LEU GLU ASN GLU HIS LEU ASN ASN CYS GLY GLU PHE ARG SEQRES 49 A 631 ALA VAL ARG ASP ILE SER VAL SEQRES 1 B 631 MET LYS PHE ALA GLU HIS LEU SER ALA HIS ILE THR PRO SEQRES 2 B 631 GLU TRP ARG LYS GLN TYR ILE GLN TYR GLU ALA PHE LYS SEQRES 3 B 631 ASP MET LEU TYR SER ALA GLN ASP GLN ALA PRO SER VAL SEQRES 4 B 631 GLU VAL THR ASP GLU ASP THR VAL LYS ARG TYR PHE ALA SEQRES 5 B 631 LYS PHE GLU GLU LYS PHE PHE GLN THR CYS GLU LYS GLU SEQRES 6 B 631 LEU ALA LYS ILE ASN THR PHE TYR SER GLU LYS LEU ALA SEQRES 7 B 631 GLU ALA GLN ARG ARG PHE ALA THR LEU GLN ASN GLU LEU SEQRES 8 B 631 GLN SER SER LEU ASP ALA GLN LYS GLU SER THR GLY VAL SEQRES 9 B 631 THR THR LEU ARG GLN ARG ARG LYS PRO VAL PHE HIS LEU SEQRES 10 B 631 SER HIS GLU GLU ARG VAL GLN HIS ARG ASN ILE LYS ASP SEQRES 11 B 631 LEU LYS LEU ALA PHE SER GLU PHE TYR LEU SER LEU ILE SEQRES 12 B 631 LEU LEU GLN ASN TYR GLN ASN LEU ASN PHE THR GLY PHE SEQRES 13 B 631 ARG LYS ILE LEU LYS LYS HIS ASP LYS ILE LEU GLU THR SEQRES 14 B 631 SER ARG GLY ALA ASP TRP ARG VAL ALA HIS VAL GLU VAL SEQRES 15 B 631 ALA PRO PHE TYR THR CYS LYS LYS ILE ASN GLN LEU ILE SEQRES 16 B 631 SER GLU THR GLU ALA VAL VAL THR ASN GLU LEU GLU ASP SEQRES 17 B 631 GLY ASP ARG GLN LYS ALA MET LYS ARG LEU ARG VAL PRO SEQRES 18 B 631 PRO LEU GLY ALA ALA GLN PRO ALA PRO ALA TRP THR THR SEQRES 19 B 631 PHE ARG VAL GLY LEU PHE CYS GLY ILE PHE ILE VAL LEU SEQRES 20 B 631 ASN ILE THR LEU VAL LEU ALA ALA VAL PHE LYS LEU GLU SEQRES 21 B 631 THR ASP ARG SER ILE TRP PRO LEU ILE ARG ILE TYR ARG SEQRES 22 B 631 GLY GLY PHE LEU LEU ILE GLU PHE LEU PHE LEU LEU GLY SEQRES 23 B 631 ILE ASN THR TYR GLY TRP ARG GLN ALA GLY VAL ASN HIS SEQRES 24 B 631 VAL LEU ILE PHE GLU LEU ASN PRO ARG SER ASN LEU SER SEQRES 25 B 631 HIS GLN HIS LEU PHE GLU ILE ALA GLY PHE LEU GLY ILE SEQRES 26 B 631 LEU TRP CYS LEU SER LEU LEU ALA CYS PHE PHE ALA PRO SEQRES 27 B 631 ILE SER VAL ILE PRO THR TYR VAL TYR PRO LEU ALA LEU SEQRES 28 B 631 TYR GLY PHE MET VAL PHE PHE LEU ILE ASN PRO THR LYS SEQRES 29 B 631 THR PHE TYR TYR LYS SER ARG PHE TRP LEU LEU LYS LEU SEQRES 30 B 631 LEU PHE ARG VAL PHE THR ALA PRO PHE HIS LYS VAL GLY SEQRES 31 B 631 PHE ALA ASP PHE TRP LEU ALA ASP GLN LEU ASN SER LEU SEQRES 32 B 631 SER VAL ILE LEU MET ASP LEU GLU TYR MET ILE CYS PHE SEQRES 33 B 631 TYR SER LEU GLU LEU LYS TRP ASP GLU SER LYS GLY LEU SEQRES 34 B 631 LEU PRO ASN ASN SER GLU GLU SER GLY ILE CYS HIS LYS SEQRES 35 B 631 TYR THR TYR GLY VAL ARG ALA ILE VAL GLN CYS ILE PRO SEQRES 36 B 631 ALA TRP LEU ARG PHE ILE GLN CYS LEU ARG ARG TYR ARG SEQRES 37 B 631 ASP THR LYS ARG ALA PHE PRO HIS LEU VAL ASN ALA GLY SEQRES 38 B 631 LYS TYR SER THR THR PHE PHE MET VAL THR PHE ALA ALA SEQRES 39 B 631 LEU TYR SER THR HIS LYS GLU ARG GLY HIS SER ASP THR SEQRES 40 B 631 MET VAL PHE PHE TYR LEU TRP ILE VAL PHE TYR ILE ILE SEQRES 41 B 631 SER SER CYS TYR THR LEU ILE TRP ASP LEU LYS MET ASP SEQRES 42 B 631 TRP GLY LEU PHE ASP LYS ASN ALA GLY GLU ASN THR PHE SEQRES 43 B 631 LEU ARG GLU GLU ILE VAL TYR PRO GLN LYS ALA TYR TYR SEQRES 44 B 631 TYR CYS ALA ILE ILE GLU ASP VAL ILE LEU ARG PHE ALA SEQRES 45 B 631 TRP THR ILE GLN ILE SER ILE THR SER THR THR LEU LEU SEQRES 46 B 631 PRO HIS SER GLY ASP ILE ILE ALA THR VAL PHE ALA PRO SEQRES 47 B 631 LEU GLU VAL PHE ARG ARG PHE VAL TRP ASN PHE PHE ARG SEQRES 48 B 631 LEU GLU ASN GLU HIS LEU ASN ASN CYS GLY GLU PHE ARG SEQRES 49 B 631 ALA VAL ARG ASP ILE SER VAL HET I7P A 701 40 HET I7P A 702 40 HET I7P B 701 40 HET I7P B 702 40 HETNAM I7P (1R,2R,3S,4S,5R,6S)-2,3,4,5,6-PENTAKIS(PHOSPHONOOXY) HETNAM 2 I7P CYCLOHEXYL TRIHYDROGEN DIPHOSPHATE HETSYN I7P 1D-MYO-INOSITOL 5-DIPHOSPHATE 1,2,3,4,6- HETSYN 2 I7P PENTAKISPHOSPHATE FORMUL 3 I7P 4(C6 H19 O27 P7) HELIX 1 AA1 LYS A 2 HIS A 10 1 9 HELIX 2 AA2 THR A 12 TYR A 19 5 8 HELIX 3 AA3 GLN A 21 ALA A 36 1 16 HELIX 4 AA4 ASP A 43 GLU A 100 1 58 HELIX 5 AA5 HIS A 119 LEU A 167 1 49 HELIX 6 AA6 ARG A 171 HIS A 179 1 9 HELIX 7 AA7 ALA A 183 CYS A 188 1 6 HELIX 8 AA8 LYS A 189 LEU A 206 1 18 HELIX 9 AA9 ASP A 210 ARG A 219 1 10 HELIX 10 AB1 PRO A 230 LYS A 258 1 29 HELIX 11 AB2 ILE A 265 GLY A 296 1 32 HELIX 12 AB3 ASN A 298 GLU A 304 1 7 HELIX 13 AB4 SER A 312 PHE A 336 1 25 HELIX 14 AB5 VAL A 346 ILE A 360 1 15 HELIX 15 AB6 TYR A 367 THR A 383 1 17 HELIX 16 AB7 GLY A 390 LEU A 403 1 14 HELIX 17 AB8 LEU A 403 GLU A 420 1 18 HELIX 18 AB9 ALA A 449 THR A 470 1 22 HELIX 19 AC1 ARG A 472 GLY A 503 1 32 HELIX 20 AC2 ASP A 506 LYS A 531 1 26 HELIX 21 AC3 GLN A 555 THR A 583 1 29 HELIX 22 AC4 SER A 588 LEU A 617 1 30 HELIX 23 AC5 ASN A 618 CYS A 620 5 3 HELIX 24 AC6 LYS B 2 HIS B 10 1 9 HELIX 25 AC7 THR B 12 TYR B 19 5 8 HELIX 26 AC8 GLN B 21 GLN B 35 1 15 HELIX 27 AC9 ASP B 43 GLU B 100 1 58 HELIX 28 AD1 HIS B 119 LEU B 167 1 49 HELIX 29 AD2 SER B 170 HIS B 179 1 10 HELIX 30 AD3 ALA B 183 CYS B 188 1 6 HELIX 31 AD4 LYS B 189 LEU B 206 1 18 HELIX 32 AD5 ASP B 210 ARG B 219 1 10 HELIX 33 AD6 PRO B 230 LYS B 258 1 29 HELIX 34 AD7 ILE B 265 GLY B 296 1 32 HELIX 35 AD8 ASN B 298 GLU B 304 1 7 HELIX 36 AD9 SER B 312 ALA B 337 1 26 HELIX 37 AE1 PRO B 343 TYR B 345 5 3 HELIX 38 AE2 VAL B 346 ILE B 360 1 15 HELIX 39 AE3 TYR B 367 THR B 383 1 17 HELIX 40 AE4 GLY B 390 LEU B 403 1 14 HELIX 41 AE5 SER B 404 LEU B 419 1 16 HELIX 42 AE6 GLU B 435 CYS B 440 1 6 HELIX 43 AE7 GLY B 446 LYS B 471 1 26 HELIX 44 AE8 ARG B 472 GLY B 503 1 32 HELIX 45 AE9 ASP B 506 LYS B 531 1 26 HELIX 46 AF1 GLN B 555 THR B 583 1 29 HELIX 47 AF2 PRO B 586 ASP B 590 5 5 HELIX 48 AF3 ILE B 591 ALA B 597 1 7 HELIX 49 AF4 PRO B 598 LEU B 617 1 20 SSBOND 1 CYS A 415 CYS A 440 1555 1555 2.03 SSBOND 2 CYS B 415 CYS B 440 1555 1555 2.03 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