HEADER MEMBRANE PROTEIN 01-MAR-21 7NQK TITLE CRYO-EM STRUCTURE OF THE MAMMALIAN PEPTIDE TRANSPORTER PEPT2 COMPND MOL_ID: 1; COMPND 2 MOLECULE: SOLUTE CARRIER FAMILY 15 MEMBER 2; COMPND 3 CHAIN: A; COMPND 4 SYNONYM: KIDNEY H(+)/PEPTIDE COTRANSPORTER,OLIGOPEPTIDE TRANSPORTER, COMPND 5 KIDNEY ISOFORM,PEPTIDE TRANSPORTER 2; COMPND 6 ENGINEERED: YES; COMPND 7 MOL_ID: 2; COMPND 8 MOLECULE: NANOBODY; COMPND 9 CHAIN: B SOURCE MOL_ID: 1; SOURCE 2 ORGANISM_SCIENTIFIC: RATTUS NORVEGICUS; SOURCE 3 ORGANISM_COMMON: RAT; SOURCE 4 ORGANISM_TAXID: 10116; SOURCE 5 GENE: SLC15A2, PEPT2; SOURCE 6 EXPRESSION_SYSTEM: HOMO SAPIENS; SOURCE 7 EXPRESSION_SYSTEM_TAXID: 9606; SOURCE 8 MOL_ID: 2; SOURCE 9 ORGANISM_SCIENTIFIC: LAMA GLAMA; SOURCE 10 ORGANISM_TAXID: 9844 KEYWDS PROTON-COUPLED PEPTIDE TRANSPORTER, MEMBRANE PROTEIN EXPDTA ELECTRON MICROSCOPY AUTHOR J.L.PARKER,J.C.DEME,S.M.LEA,S.NEWSTEAD REVDAT 3 13-NOV-24 7NQK 1 REMARK REVDAT 2 13-OCT-21 7NQK 1 JRNL REVDAT 1 07-JUL-21 7NQK 0 JRNL AUTH J.L.PARKER,J.C.DEME,Z.WU,G.KUTEYI,J.HUO,R.J.OWENS, JRNL AUTH 2 P.C.BIGGIN,S.M.LEA,S.NEWSTEAD JRNL TITL CRYO-EM STRUCTURE OF PEPT2 REVEALS STRUCTURAL BASIS FOR JRNL TITL 2 PROTON-COUPLED PEPTIDE AND PRODRUG TRANSPORT IN MAMMALS. JRNL REF SCI ADV V. 7 2021 JRNL REFN ESSN 2375-2548 JRNL PMID 34433568 JRNL DOI 10.1126/SCIADV.ABH3355 REMARK 2 REMARK 2 RESOLUTION. 3.50 ANGSTROMS. REMARK 3 REMARK 3 REFINEMENT. REMARK 3 SOFTWARE PACKAGES : NULL 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) : 3.500 REMARK 3 NUMBER OF PARTICLES : 298562 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 7NQK COMPLIES WITH FORMAT V. 3.30, 13-JUL-11 REMARK 100 REMARK 100 THIS ENTRY HAS BEEN PROCESSED BY PDBE ON 01-MAR-21. REMARK 100 THE DEPOSITION ID IS D_1292114451. 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 : COMPLEX OF THE MAMMALIAN REMARK 245 PEPTIDE TRANSPORTER PEPT2 WITH REMARK 245 NANOBODY; PEPT2; NANOBODY 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 BIOQUANTUM (6K X REMARK 245 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) : 5800.00 REMARK 245 ILLUMINATION MODE : FLOOD BEAM 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 SOFTWARE DETERMINED QUATERNARY STRUCTURE: DIMERIC REMARK 350 SOFTWARE USED: PISA REMARK 350 TOTAL BURIED SURFACE AREA: 1840 ANGSTROM**2 REMARK 350 SURFACE AREA OF THE COMPLEX: 37210 ANGSTROM**2 REMARK 350 CHANGE IN SOLVENT FREE ENERGY: -5.0 KCAL/MOL 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 MET A 1 REMARK 465 ASN A 2 REMARK 465 PRO A 3 REMARK 465 PHE A 4 REMARK 465 GLN A 5 REMARK 465 LYS A 6 REMARK 465 ASN A 7 REMARK 465 GLU A 8 REMARK 465 SER A 9 REMARK 465 LYS A 10 REMARK 465 GLU A 11 REMARK 465 THR A 12 REMARK 465 LEU A 13 REMARK 465 PHE A 14 REMARK 465 SER A 15 REMARK 465 PRO A 16 REMARK 465 VAL A 17 REMARK 465 SER A 18 REMARK 465 THR A 19 REMARK 465 GLU A 20 REMARK 465 GLU A 21 REMARK 465 MET A 22 REMARK 465 LEU A 23 REMARK 465 PRO A 24 REMARK 465 ARG A 25 REMARK 465 PRO A 26 REMARK 465 PRO A 27 REMARK 465 SER A 28 REMARK 465 PRO A 29 REMARK 465 PRO A 30 REMARK 465 LYS A 31 REMARK 465 LYS A 32 REMARK 465 SER A 33 REMARK 465 PRO A 34 REMARK 465 PRO A 35 REMARK 465 LYS A 36 REMARK 465 ILE A 37 REMARK 465 PHE A 38 REMARK 465 GLY A 39 REMARK 465 SER A 40 REMARK 465 SER A 41 REMARK 465 TYR A 42 REMARK 465 SER A 701 REMARK 465 GLU A 702 REMARK 465 ASP A 703 REMARK 465 THR A 704 REMARK 465 ARG A 705 REMARK 465 GLU A 706 REMARK 465 ALA A 707 REMARK 465 THR A 708 REMARK 465 ASP A 709 REMARK 465 LYS A 710 REMARK 465 GLN A 711 REMARK 465 ILE A 712 REMARK 465 PRO A 713 REMARK 465 ALA A 714 REMARK 465 VAL A 715 REMARK 465 GLN A 716 REMARK 465 GLY A 717 REMARK 465 ASN A 718 REMARK 465 MET A 719 REMARK 465 ILE A 720 REMARK 465 ASN A 721 REMARK 465 LEU A 722 REMARK 465 GLU A 723 REMARK 465 THR A 724 REMARK 465 LYS A 725 REMARK 465 ASN A 726 REMARK 465 THR A 727 REMARK 465 ARG A 728 REMARK 465 LEU A 729 REMARK 465 VAL A 730 REMARK 465 GLU A 731 REMARK 465 GLY A 732 REMARK 465 GLU A 733 REMARK 465 ASN A 734 REMARK 465 LEU A 735 REMARK 465 TYR A 736 REMARK 465 PHE A 737 REMARK 465 GLN A 738 REMARK 465 GLY B -2 REMARK 465 PRO B -1 REMARK 465 SER B 0 REMARK 465 GLN B 1 REMARK 465 VAL B 2 REMARK 465 SER B 126 REMARK 465 SER B 127 REMARK 465 ALA B 128 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 OD1 ASP A 423 OH TYR A 470 2.04 REMARK 500 NH1 ARG A 322 OE2 GLU A 674 2.12 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 A 211 CA - CB - SG ANGL. DEV. = 10.7 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 48 44.06 -84.53 REMARK 500 LEU A 108 -5.69 68.73 REMARK 500 PHE A 111 -12.24 72.90 REMARK 500 ILE A 135 -62.53 -101.73 REMARK 500 LYS A 139 -10.02 70.47 REMARK 500 HIS A 176 52.77 -90.19 REMARK 500 CYS A 211 -58.00 -24.63 REMARK 500 LEU A 263 46.24 -83.93 REMARK 500 LEU A 274 72.53 -155.90 REMARK 500 GLN A 278 -4.28 70.85 REMARK 500 ALA A 284 49.32 -91.86 REMARK 500 TYR A 288 75.13 59.05 REMARK 500 PRO A 289 150.18 -43.61 REMARK 500 LEU A 334 -4.10 68.05 REMARK 500 VAL A 362 -59.93 -124.13 REMARK 500 SER A 368 0.62 -66.39 REMARK 500 SER A 376 8.05 58.85 REMARK 500 ASN A 402 3.09 -66.68 REMARK 500 GLU A 413 117.56 -161.86 REMARK 500 LEU A 438 -37.26 -130.47 REMARK 500 ASP A 463 93.07 -69.99 REMARK 500 TRP A 610 6.31 59.06 REMARK 500 SER B 54 -0.05 70.35 REMARK 500 LYS B 76 -9.86 72.97 REMARK 500 PRO B 88 0.61 -66.37 REMARK 500 ASP B 90 25.76 43.30 REMARK 500 GLU B 111 46.91 -82.79 REMARK 500 GLU B 112 -37.58 -131.58 REMARK 500 GLN B 119 170.60 -58.47 REMARK 500 REMARK 500 REMARK: NULL REMARK 500 REMARK 500 GEOMETRY AND STEREOCHEMISTRY REMARK 500 SUBTOPIC: NON-CIS, NON-TRANS REMARK 500 REMARK 500 THE FOLLOWING PEPTIDE BONDS DEVIATE SIGNIFICANTLY FROM BOTH REMARK 500 CIS AND TRANS CONFORMATION. CIS BONDS, IF ANY, ARE LISTED REMARK 500 ON CISPEP RECORDS. TRANS IS DEFINED AS 180 +/- 30 AND REMARK 500 CIS IS DEFINED AS 0 +/- 30 DEGREES. REMARK 500 MODEL OMEGA REMARK 500 LYS A 210 CYS A 211 -142.31 REMARK 500 REMARK 500 REMARK: NULL REMARK 900 REMARK 900 RELATED ENTRIES REMARK 900 RELATED ID: EMD-12528 RELATED DB: EMDB REMARK 900 CRYO-EM STRUCTURE OF THE MAMMALIAN PEPTIDE TRANSPORTER PEPT2 DBREF 7NQK A 1 729 UNP Q63424 S15A2_RAT 1 729 DBREF 7NQK B -2 128 PDB 7NQK 7NQK -2 128 SEQADV 7NQK VAL A 730 UNP Q63424 EXPRESSION TAG SEQADV 7NQK GLU A 731 UNP Q63424 EXPRESSION TAG SEQADV 7NQK GLY A 732 UNP Q63424 EXPRESSION TAG SEQADV 7NQK GLU A 733 UNP Q63424 EXPRESSION TAG SEQADV 7NQK ASN A 734 UNP Q63424 EXPRESSION TAG SEQADV 7NQK LEU A 735 UNP Q63424 EXPRESSION TAG SEQADV 7NQK TYR A 736 UNP Q63424 EXPRESSION TAG SEQADV 7NQK PHE A 737 UNP Q63424 EXPRESSION TAG SEQADV 7NQK GLN A 738 UNP Q63424 EXPRESSION TAG SEQRES 1 A 738 MET ASN PRO PHE GLN LYS ASN GLU SER LYS GLU THR LEU SEQRES 2 A 738 PHE SER PRO VAL SER THR GLU GLU MET LEU PRO ARG PRO SEQRES 3 A 738 PRO SER PRO PRO LYS LYS SER PRO PRO LYS ILE PHE GLY SEQRES 4 A 738 SER SER TYR PRO VAL SER ILE ALA PHE ILE VAL VAL ASN SEQRES 5 A 738 GLU PHE CYS GLU ARG PHE SER TYR TYR GLY MET LYS ALA SEQRES 6 A 738 VAL LEU THR LEU TYR PHE LEU TYR PHE LEU HIS TRP ASN SEQRES 7 A 738 GLU ASP THR SER THR SER VAL TYR HIS ALA PHE SER SER SEQRES 8 A 738 LEU CYS TYR PHE THR PRO ILE LEU GLY ALA ALA ILE ALA SEQRES 9 A 738 ASP SER TRP LEU GLY LYS PHE LYS THR ILE ILE TYR LEU SEQRES 10 A 738 SER LEU VAL TYR VAL LEU GLY HIS VAL PHE LYS SER LEU SEQRES 11 A 738 GLY ALA ILE PRO ILE LEU GLY GLY LYS MET LEU HIS THR SEQRES 12 A 738 ILE LEU SER LEU VAL GLY LEU SER LEU ILE ALA LEU GLY SEQRES 13 A 738 THR GLY GLY ILE LYS PRO CYS VAL ALA ALA PHE GLY GLY SEQRES 14 A 738 ASP GLN PHE GLU GLU GLU HIS ALA GLU ALA ARG THR ARG SEQRES 15 A 738 TYR PHE SER VAL PHE TYR LEU ALA ILE ASN ALA GLY SER SEQRES 16 A 738 LEU ILE SER THR PHE ILE THR PRO MET LEU ARG GLY ASP SEQRES 17 A 738 VAL LYS CYS PHE GLY GLN ASP CYS TYR ALA LEU ALA PHE SEQRES 18 A 738 GLY VAL PRO GLY LEU LEU MET VAL LEU ALA LEU VAL VAL SEQRES 19 A 738 PHE ALA MET GLY SER LYS MET TYR ARG LYS PRO PRO PRO SEQRES 20 A 738 GLU GLY ASN ILE VAL ALA GLN VAL ILE LYS CYS ILE TRP SEQRES 21 A 738 PHE ALA LEU CYS ASN ARG PHE ARG ASN ARG SER GLY ASP SEQRES 22 A 738 LEU PRO LYS ARG GLN HIS TRP LEU ASP TRP ALA ALA GLU SEQRES 23 A 738 LYS TYR PRO LYS HIS LEU ILE ALA ASP VAL LYS ALA LEU SEQRES 24 A 738 THR ARG VAL LEU PHE LEU TYR ILE PRO LEU PRO MET PHE SEQRES 25 A 738 TRP ALA LEU LEU ASP GLN GLN GLY SER ARG TRP THR LEU SEQRES 26 A 738 GLN ALA ASN LYS MET ASN GLY ASP LEU GLY PHE PHE VAL SEQRES 27 A 738 LEU GLN PRO ASP GLN MET GLN VAL LEU ASN PRO PHE LEU SEQRES 28 A 738 VAL LEU ILE PHE ILE PRO LEU PHE ASP LEU VAL ILE TYR SEQRES 29 A 738 ARG LEU ILE SER LYS CYS ARG ILE ASN PHE SER SER LEU SEQRES 30 A 738 ARG LYS MET ALA VAL GLY MET ILE LEU ALA CYS LEU ALA SEQRES 31 A 738 PHE ALA VAL ALA ALA LEU VAL GLU THR LYS ILE ASN GLY SEQRES 32 A 738 MET ILE HIS PRO GLN PRO ALA SER GLN GLU ILE PHE LEU SEQRES 33 A 738 GLN VAL LEU ASN LEU ALA ASP GLY ASP VAL LYS VAL THR SEQRES 34 A 738 VAL LEU GLY SER ARG ASN ASN SER LEU LEU VAL GLU SER SEQRES 35 A 738 VAL SER SER PHE GLN ASN THR THR HIS TYR SER LYS LEU SEQRES 36 A 738 HIS LEU GLU ALA LYS SER GLN ASP LEU HIS PHE HIS LEU SEQRES 37 A 738 LYS TYR ASN SER LEU SER VAL HIS ASN ASP HIS SER VAL SEQRES 38 A 738 GLU GLU LYS ASN CYS TYR GLN LEU LEU ILE HIS GLN ASP SEQRES 39 A 738 GLY GLU SER ILE SER SER MET LEU VAL LYS ASP THR GLY SEQRES 40 A 738 ILE LYS PRO ALA ASN GLY MET ALA ALA ILE ARG PHE ILE SEQRES 41 A 738 ASN THR LEU HIS LYS ASP LEU ASN ILE SER LEU ASP THR SEQRES 42 A 738 ASP ALA PRO LEU SER VAL GLY LYS ASP TYR GLY VAL SER SEQRES 43 A 738 ALA TYR ARG THR VAL LEU ARG GLY LYS TYR PRO ALA VAL SEQRES 44 A 738 HIS CYS GLU THR GLU ASP LYS VAL PHE SER LEU ASP LEU SEQRES 45 A 738 GLY GLN LEU ASP PHE GLY THR THR TYR LEU PHE VAL ILE SEQRES 46 A 738 THR ASN ILE THR SER GLN GLY LEU GLN ALA TRP LYS ALA SEQRES 47 A 738 GLU ASP ILE PRO VAL ASN LYS LEU SER ILE ALA TRP GLN SEQRES 48 A 738 LEU PRO GLN TYR VAL LEU VAL THR ALA ALA GLU VAL MET SEQRES 49 A 738 PHE SER VAL THR GLY LEU GLU PHE SER TYR SER GLN ALA SEQRES 50 A 738 PRO SER SER MET LYS SER VAL LEU GLN ALA ALA TRP LEU SEQRES 51 A 738 LEU THR VAL ALA VAL GLY ASN ILE ILE VAL LEU VAL VAL SEQRES 52 A 738 ALA GLN PHE SER GLY LEU ALA GLN TRP ALA GLU PHE VAL SEQRES 53 A 738 LEU PHE SER CYS LEU LEU LEU VAL VAL CYS LEU ILE PHE SEQRES 54 A 738 SER VAL MET ALA TYR TYR TYR VAL PRO LEU LYS SER GLU SEQRES 55 A 738 ASP THR ARG GLU ALA THR ASP LYS GLN ILE PRO ALA VAL SEQRES 56 A 738 GLN GLY ASN MET ILE ASN LEU GLU THR LYS ASN THR ARG SEQRES 57 A 738 LEU VAL GLU GLY GLU ASN LEU TYR PHE GLN SEQRES 1 B 131 GLY PRO SER GLN VAL GLN LEU VAL GLU SER GLY GLY GLY SEQRES 2 B 131 LEU VAL GLN PRO GLY GLY SER LEU ARG LEU LEU CYS VAL SEQRES 3 B 131 ALA SER GLY ARG PRO PHE ASN ASP TYR ASP MET GLY TRP SEQRES 4 B 131 PHE ARG GLN ALA PRO GLY LYS GLU ARG GLU PHE VAL ALA SEQRES 5 B 131 SER ILE SER TRP SER GLY ARG VAL THR ASP TYR SER ASP SEQRES 6 B 131 SER MET LYS GLY ARG CYS THR VAL SER ARG ASP ASN ALA SEQRES 7 B 131 LYS GLY THR MET PHE LEU GLN MET SER ASN LEU VAL PRO SEQRES 8 B 131 ARG ASP THR ALA VAL TYR TYR CYS ALA ALA ALA ARG ARG SEQRES 9 B 131 ARG TRP THR PHE LYS ALA THR ASN THR GLU GLU PHE TYR SEQRES 10 B 131 GLU THR TRP GLY GLN GLY THR GLN VAL THR VAL SER SER SEQRES 11 B 131 ALA HELIX 1 AA1 PRO A 43 SER A 45 5 3 HELIX 2 AA2 ILE A 46 PHE A 74 1 29 HELIX 3 AA3 ASN A 78 THR A 96 1 19 HELIX 4 AA4 THR A 96 SER A 106 1 11 HELIX 5 AA5 LYS A 112 LEU A 130 1 19 HELIX 6 AA6 MET A 140 GLN A 171 1 32 HELIX 7 AA7 GLU A 178 THR A 202 1 25 HELIX 8 AA8 PRO A 203 LEU A 205 5 3 HELIX 9 AA9 TYR A 217 MET A 237 1 21 HELIX 10 AB1 GLY A 238 MET A 241 5 4 HELIX 11 AB2 ASN A 250 LEU A 263 1 14 HELIX 12 AB3 PRO A 289 TYR A 306 1 18 HELIX 13 AB4 PRO A 308 GLN A 318 1 11 HELIX 14 AB5 SER A 321 ASN A 328 1 8 HELIX 15 AB6 GLN A 340 GLN A 345 5 6 HELIX 16 AB7 VAL A 346 VAL A 362 1 17 HELIX 17 AB8 VAL A 362 SER A 368 1 7 HELIX 18 AB9 LEU A 377 ASN A 402 1 26 HELIX 19 AC1 GLN A 611 GLN A 636 1 26 HELIX 20 AC2 PRO A 638 LYS A 642 5 5 HELIX 21 AC3 SER A 643 GLN A 665 1 23 HELIX 22 AC4 ALA A 670 TYR A 695 1 26 HELIX 23 AC5 PRO B 28 ASN B 30 5 3 HELIX 24 AC6 TRP B 53 ARG B 56 5 4 SHEET 1 AA1 4 SER A 453 LEU A 455 0 SHEET 2 AA1 4 ILE A 414 ASN A 420 -1 N ILE A 414 O LEU A 455 SHEET 3 AA1 4 CYS A 486 ASP A 494 1 O TYR A 487 N PHE A 415 SHEET 4 AA1 4 SER A 497 ASP A 505 -1 O VAL A 503 N GLN A 488 SHEET 1 AA2 4 SER A 437 VAL A 443 0 SHEET 2 AA2 4 VAL A 426 LEU A 431 -1 N VAL A 430 O LEU A 439 SHEET 3 AA2 4 ASP A 463 TYR A 470 -1 O HIS A 467 N THR A 429 SHEET 4 AA2 4 LEU A 473 VAL A 475 -1 O VAL A 475 N LEU A 468 SHEET 1 AA3 4 SER A 437 VAL A 443 0 SHEET 2 AA3 4 VAL A 426 LEU A 431 -1 N VAL A 430 O LEU A 439 SHEET 3 AA3 4 ASP A 463 TYR A 470 -1 O HIS A 467 N THR A 429 SHEET 4 AA3 4 ASP A 478 SER A 480 -1 O HIS A 479 N LEU A 464 SHEET 1 AA4 3 GLY A 544 VAL A 545 0 SHEET 2 AA4 3 MET A 514 ASN A 521 -1 N ASN A 521 O GLY A 544 SHEET 3 AA4 3 ARG A 549 LEU A 552 -1 O ARG A 549 N ILE A 517 SHEET 1 AA5 4 GLY A 544 VAL A 545 0 SHEET 2 AA5 4 MET A 514 ASN A 521 -1 N ASN A 521 O GLY A 544 SHEET 3 AA5 4 THR A 580 ILE A 588 1 O PHE A 583 N ILE A 520 SHEET 4 AA5 4 GLY A 592 TRP A 596 -1 O TRP A 596 N VAL A 584 SHEET 1 AA6 2 GLY A 554 TYR A 556 0 SHEET 2 AA6 2 GLY A 573 LEU A 575 -1 O GLY A 573 N TYR A 556 SHEET 1 AA7 2 CYS A 561 GLU A 562 0 SHEET 2 AA7 2 VAL A 567 PHE A 568 -1 O PHE A 568 N CYS A 561 SHEET 1 AA8 3 LEU B 20 VAL B 23 0 SHEET 2 AA8 3 THR B 78 LEU B 81 -1 O LEU B 81 N LEU B 20 SHEET 3 AA8 3 VAL B 70 ASP B 73 -1 N SER B 71 O PHE B 80 SHEET 1 AA9 4 THR B 58 TYR B 60 0 SHEET 2 AA9 4 GLU B 46 ILE B 51 -1 N SER B 50 O ASP B 59 SHEET 3 AA9 4 TYR B 32 ARG B 38 -1 N TRP B 36 O ALA B 49 SHEET 4 AA9 4 TYR B 95 ARG B 100 -1 O ALA B 99 N ASP B 33 SSBOND 1 CYS A 211 CYS A 216 1555 1555 2.02 SSBOND 2 CYS B 22 CYS B 96 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