HEADER MEMBRANE PROTEIN 05-JUN-23 8P97 TITLE BTUB3G3 BOUND TO CYANOCOBALAMIN WITH DISORDERED EL8 COMPND MOL_ID: 1; COMPND 2 MOLECULE: TONB-DEPENDENT RECEPTOR; COMPND 3 CHAIN: A; COMPND 4 ENGINEERED: YES; COMPND 5 MOL_ID: 2; COMPND 6 MOLECULE: PUTATIVE SURFACE LAYER PROTEIN; COMPND 7 CHAIN: B SOURCE MOL_ID: 1; SOURCE 2 ORGANISM_SCIENTIFIC: BACTEROIDES THETAIOTAOMICRON VPI-5482; SOURCE 3 ORGANISM_TAXID: 226186; SOURCE 4 GENE: BT_2094; SOURCE 5 EXPRESSION_SYSTEM: BACTEROIDES THETAIOTAOMICRON VPI-5482; SOURCE 6 EXPRESSION_SYSTEM_TAXID: 226186; SOURCE 7 MOL_ID: 2; SOURCE 8 ORGANISM_SCIENTIFIC: BACTEROIDES THETAIOTAOMICRON VPI-5482; SOURCE 9 ORGANISM_TAXID: 226186 KEYWDS CYANOCOBALAMIN, TRANSPORTER, LIPOPROTEIN, COMPLEX, MEMBRANE PROTEIN EXPDTA ELECTRON MICROSCOPY AUTHOR A.SILALE,J.ABELLON-RUIZ,B.VAN DEN BERG REVDAT 2 20-SEP-23 8P97 1 REMARK REVDAT 1 16-AUG-23 8P97 0 JRNL AUTH J.ABELLON-RUIZ,K.JANA,A.SILALE,A.M.FREY,A.BASLE,M.TROST, JRNL AUTH 2 U.KLEINEKATHOFER,B.VAN DEN BERG JRNL TITL BTUB TONB-DEPENDENT TRANSPORTERS AND BTUG SURFACE JRNL TITL 2 LIPOPROTEINS FORM STABLE COMPLEXES FOR VITAMIN B 12 UPTAKE JRNL TITL 3 IN GUT BACTEROIDES. JRNL REF NAT COMMUN V. 14 4714 2023 JRNL REFN ESSN 2041-1723 JRNL PMID 37543597 JRNL DOI 10.1038/S41467-023-40427-2 REMARK 2 REMARK 2 RESOLUTION. 2.75 ANGSTROMS. REMARK 3 REMARK 3 REFINEMENT. REMARK 3 SOFTWARE PACKAGES : CRYOSPARC, EPU, CRYOSPARC, PHENIX, REMARK 3 PHENIX, CRYOSPARC, CRYOSPARC, CRYOSPARC REMARK 3 RECONSTRUCTION SCHEMA : NULL REMARK 3 REMARK 3 EM MAP-MODEL FITTING AND REFINEMENT REMARK 3 PDB ENTRY : 8OKV REMARK 3 REFINEMENT SPACE : REAL REMARK 3 REFINEMENT PROTOCOL : RIGID BODY 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) : 2.750 REMARK 3 NUMBER OF PARTICLES : 91067 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 8P97 COMPLIES WITH FORMAT V. 3.30, 13-JUL-11 REMARK 100 REMARK 100 THIS ENTRY HAS BEEN PROCESSED BY PDBE ON 06-JUN-23. REMARK 100 THE DEPOSITION ID IS D_1292130941. 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 TONB-DEPENDENT REMARK 245 TRANSPORTER BTUB3 WITH SURFACE REMARK 245 LIPOPROTEIN BTUG3 BOUND TO REMARK 245 CYANOCOBALAMIN (STATE 2) REMARK 245 SAMPLE CONCENTRATION (MG ML-1) : 4.00 REMARK 245 SAMPLE SUPPORT DETAILS : NULL REMARK 245 SAMPLE VITRIFICATION DETAILS : NULL REMARK 245 SAMPLE BUFFER : NULL REMARK 245 PH : 7.50 REMARK 245 SAMPLE DETAILS : NULL REMARK 245 REMARK 245 DATA ACQUISITION REMARK 245 DATE OF EXPERIMENT : NULL REMARK 245 NUMBER OF MICROGRAPHS-IMAGES : 9826 REMARK 245 TEMPERATURE (KELVIN) : NULL REMARK 245 MICROSCOPE MODEL : FEI TITAN KRIOS REMARK 245 DETECTOR TYPE : FEI FALCON IV (4K X 4K) REMARK 245 MINIMUM DEFOCUS (NM) : 800.00 REMARK 245 MAXIMUM DEFOCUS (NM) : 2300.00 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) : 3560.00 REMARK 245 ILLUMINATION MODE : FLOOD BEAM REMARK 245 NOMINAL MAGNIFICATION : 165000 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: 6760 ANGSTROM**2 REMARK 350 SURFACE AREA OF THE COMPLEX: 40400 ANGSTROM**2 REMARK 350 CHANGE IN SOLVENT FREE ENERGY: -30.0 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 21 REMARK 465 SER A 22 REMARK 465 GLY A 23 REMARK 465 GLN A 24 REMARK 465 GLN A 25 REMARK 465 HIS A 26 REMARK 465 SER A 27 REMARK 465 SER A 28 REMARK 465 ASP A 29 REMARK 465 ASN A 30 REMARK 465 LYS A 31 REMARK 465 ASN A 32 REMARK 465 TRP A 33 REMARK 465 ALA A 34 REMARK 465 GLU A 35 REMARK 465 LYS A 36 REMARK 465 GLY A 37 REMARK 465 ILE A 38 REMARK 465 VAL A 39 REMARK 465 ILE A 40 REMARK 465 ARG A 41 REMARK 465 GLU A 42 REMARK 465 VAL A 43 REMARK 465 GLU A 44 REMARK 465 ILE A 45 REMARK 465 LEU A 46 REMARK 465 GLY A 47 REMARK 465 LYS A 382 REMARK 465 ASP A 383 REMARK 465 LEU A 384 REMARK 465 ASN A 385 REMARK 465 LYS A 386 REMARK 465 ASP A 387 REMARK 465 ASP A 388 REMARK 465 ASN A 389 REMARK 465 LYS A 390 REMARK 465 ASN A 391 REMARK 465 ASP A 392 REMARK 465 LYS A 393 REMARK 465 TYR A 394 REMARK 465 GLY A 395 REMARK 465 GLN A 396 REMARK 465 GLY A 397 REMARK 465 ARG A 398 REMARK 465 LYS A 399 REMARK 465 ASN A 400 REMARK 465 ASP A 401 REMARK 465 SER A 402 REMARK 465 ILE A 403 REMARK 465 VAL A 404 REMARK 465 TYR A 405 REMARK 465 THR A 533 REMARK 465 SER A 534 REMARK 465 LYS A 535 REMARK 465 GLY A 536 REMARK 465 PHE A 537 REMARK 465 TYR A 538 REMARK 465 LYS A 701 REMARK 465 LYS A 702 REMARK 465 LYS A 703 REMARK 465 LYS A 704 REMARK 465 GLY A 705 REMARK 465 GLY A 706 REMARK 465 GLY A 707 REMARK 465 HIS A 708 REMARK 465 HIS A 709 REMARK 465 HIS A 710 REMARK 465 HIS A 711 REMARK 465 HIS A 712 REMARK 465 HIS A 713 REMARK 465 MET B 1 REMARK 465 LYS B 2 REMARK 465 ARG B 3 REMARK 465 ILE B 4 REMARK 465 LEU B 5 REMARK 465 LEU B 6 REMARK 465 SER B 7 REMARK 465 VAL B 8 REMARK 465 LEU B 9 REMARK 465 PHE B 10 REMARK 465 ILE B 11 REMARK 465 VAL B 12 REMARK 465 PHE B 13 REMARK 465 CYS B 14 REMARK 465 LEU B 15 REMARK 465 THR B 16 REMARK 465 ALA B 17 REMARK 465 PHE B 18 REMARK 465 VAL B 19 REMARK 465 GLY B 20 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 OE2 GLU A 295 OG1 THR A 297 2.14 REMARK 500 NH1 ARG A 91 OH TYR A 244 2.15 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 LYS A 67 33.61 -99.39 REMARK 500 TYR A 89 52.03 -95.36 REMARK 500 LYS A 194 -8.39 73.75 REMARK 500 TYR A 227 63.61 60.39 REMARK 500 MET A 287 -164.16 -79.69 REMARK 500 ASP A 288 52.02 39.32 REMARK 500 ASN A 542 -137.15 55.98 REMARK 500 LEU A 543 -147.70 61.92 REMARK 500 SER A 586 -149.37 55.46 REMARK 500 GLN A 590 49.07 -93.48 REMARK 500 ARG A 613 -112.03 54.11 REMARK 500 ASP B 25 117.25 -162.77 REMARK 500 TYR B 26 -168.03 -127.11 REMARK 500 VAL B 80 72.50 59.46 REMARK 500 ASP B 88 -122.08 57.89 REMARK 500 SER B 120 71.34 53.09 REMARK 500 GLN B 208 70.64 57.97 REMARK 500 TYR B 228 76.60 57.84 REMARK 500 LYS B 229 127.55 -30.28 REMARK 500 LYS B 249 -154.52 47.83 REMARK 500 GLU B 251 -86.59 50.28 REMARK 500 GLN B 257 150.25 68.23 REMARK 500 GLU B 264 71.09 58.64 REMARK 500 ASP B 272 31.38 -141.10 REMARK 500 ASN B 278 60.96 36.67 REMARK 500 LYS B 279 -94.43 61.49 REMARK 500 ASP B 287 46.69 35.41 REMARK 500 GLU B 288 -167.69 -126.68 REMARK 500 GLU B 289 -165.49 -124.26 REMARK 500 LYS B 298 -70.76 -62.65 REMARK 500 TYR B 299 135.51 -174.30 REMARK 500 ILE B 322 -97.27 58.63 REMARK 500 ILE B 348 73.69 53.61 REMARK 500 REMARK 500 REMARK: NULL REMARK 900 REMARK 900 RELATED ENTRIES REMARK 900 RELATED ID: EMD-17574 RELATED DB: EMDB REMARK 900 BTUB3G3 BOUND TO CYANOCOBALAMIN WITH DISORDERED EL8 DBREF 8P97 A 21 704 UNP Q8A5Z2 Q8A5Z2_BACTN 1 684 DBREF 8P97 B 1 355 UNP Q8A5Z1 Q8A5Z1_BACTN 1 355 SEQADV 8P97 GLY A 705 UNP Q8A5Z2 EXPRESSION TAG SEQADV 8P97 GLY A 706 UNP Q8A5Z2 EXPRESSION TAG SEQADV 8P97 GLY A 707 UNP Q8A5Z2 EXPRESSION TAG SEQADV 8P97 HIS A 708 UNP Q8A5Z2 EXPRESSION TAG SEQADV 8P97 HIS A 709 UNP Q8A5Z2 EXPRESSION TAG SEQADV 8P97 HIS A 710 UNP Q8A5Z2 EXPRESSION TAG SEQADV 8P97 HIS A 711 UNP Q8A5Z2 EXPRESSION TAG SEQADV 8P97 HIS A 712 UNP Q8A5Z2 EXPRESSION TAG SEQADV 8P97 HIS A 713 UNP Q8A5Z2 EXPRESSION TAG SEQRES 1 A 693 MET SER GLY GLN GLN HIS SER SER ASP ASN LYS ASN TRP SEQRES 2 A 693 ALA GLU LYS GLY ILE VAL ILE ARG GLU VAL GLU ILE LEU SEQRES 3 A 693 GLY LYS ARG PRO MET LYS ASP ILE GLY VAL GLN GLN THR SEQRES 4 A 693 ARG PHE ASP SER LEU VAL LEU LYS GLU ASN ILE ALA LEU SEQRES 5 A 693 SER MET ALA ASP ILE LEU THR PHE ASN SER SER ILE PHE SEQRES 6 A 693 VAL LYS SER TYR GLY ARG ALA THR LEU SER THR VAL SER SEQRES 7 A 693 PHE ARG GLY THR SER ALA SER HIS THR GLN VAL THR TRP SEQRES 8 A 693 ASN GLY MET ARG ILE ASN ASN PRO MET LEU GLY MET THR SEQRES 9 A 693 ASP PHE SER MET ILE PRO SER TYR PHE ILE ASP ASP ALA SEQRES 10 A 693 SER LEU LEU HIS GLY THR SER SER VAL ASN MET ALA GLY SEQRES 11 A 693 GLY GLY LEU GLY GLY LEU VAL LYS LEU SER THR VAL PRO SEQRES 12 A 693 ALA HIS GLN GLU GLY PHE GLY MET GLN TYR VAL GLN GLY SEQRES 13 A 693 ILE GLY SER PHE SER THR PHE ASP GLU PHE LEU GLN LEU SEQRES 14 A 693 LYS TYR GLY ASP LYS HIS TRP GLN ILE SER THR ARG ALA SEQRES 15 A 693 VAL TYR GLN SER SER PRO ASN ASP TYR LYS TYR ARG ASN SEQRES 16 A 693 HIS ASP LYS LYS GLU ASN ILE TYR ASP ASP LYS TYR ASN SEQRES 17 A 693 ILE ILE GLU GLN TYR TYR PRO ILE GLU ARG ASN ARG SER SEQRES 18 A 693 GLY ALA TYR LYS ASP LEU HIS ILE LEU GLN GLU VAL TYR SEQRES 19 A 693 TYR ASN THR GLY LYS GLY ASP ARG PHE GLY LEU ASN ALA SEQRES 20 A 693 TRP TYR THR ASP SER ASN ARG GLU LEU ALA LEU LEU THR SEQRES 21 A 693 THR ASP GLN GLY ASP LEU MET ASP PHE GLU ASN ARG GLN SEQRES 22 A 693 ARG GLU HIS THR LEU ARG SER VAL LEU SER TRP ASP HIS SEQRES 23 A 693 THR ARG GLU ASN TRP LYS VAL SER ALA ARG GLY GLY TYR SEQRES 24 A 693 VAL HIS THR TRP LEU ALA TYR ASP TYR LYS ARG ASP LEU SEQRES 25 A 693 GLY ASN GLY ILE MET ALA THR MET THR ARG SER ARG SER SEQRES 26 A 693 LYS VAL ASN THR PHE TYR GLY GLN LEU ASP GLY GLU TYR SEQRES 27 A 693 PHE PHE SER ASP LYS LEU LEU LEU THR ALA GLY VAL SER SEQRES 28 A 693 ALA HIS GLN HIS LEU VAL ASN SER LEU ASP LYS ASP LEU SEQRES 29 A 693 ASN LYS ASP ASP ASN LYS ASN ASP LYS TYR GLY GLN GLY SEQRES 30 A 693 ARG LYS ASN ASP SER ILE VAL TYR PHE ASP LYS GLY ARG SEQRES 31 A 693 ILE GLU LEU SER GLY ASN VAL SER LEU LYS TRP GLN PRO SEQRES 32 A 693 VAL ASN ARG LEU GLY MET SER LEU VAL LEU ARG GLY GLU SEQRES 33 A 693 MET PHE GLY THR LYS TRP ALA PRO VAL ILE PRO ALA PHE SEQRES 34 A 693 PHE VAL ASP TYR VAL LEU SER LYS ARG GLY ASN ILE MET SEQRES 35 A 693 ALA LYS ALA SER ILE THR ARG ASN TYR ARG PHE PRO THR SEQRES 36 A 693 LEU ASN ASP LEU TYR PHE LEU PRO GLY GLY ASN PRO ALA SEQRES 37 A 693 LEU ASN ASN GLU SER GLY PHE THR TYR GLU THR GLY LEU SEQRES 38 A 693 SER PHE SER VAL ASP LYS ASP ASN VAL TYR THR LEU SER SEQRES 39 A 693 GLY SER ALA SER TRP PHE ASP GLN HIS ILE ASN ASP TRP SEQRES 40 A 693 ILE ILE TRP LEU PRO THR SER LYS GLY PHE TYR SER PRO SEQRES 41 A 693 VAL ASN LEU LYS LYS VAL HIS ALA TYR GLY VAL GLU VAL SEQRES 42 A 693 GLN ALA ASP TYR ALA VAL ALA ILE ASP LYS ALA TRP LYS SEQRES 43 A 693 LEU GLY LEU ASN GLY THR PHE ALA TRP THR PRO SER ILE SEQRES 44 A 693 ASN GLU GLY GLU PRO THR SER LYS ALA ASP GLN SER VAL SEQRES 45 A 693 GLY LYS GLN LEU PRO TYR ILE PRO GLU TYR SER ALA THR SEQRES 46 A 693 LEU SER GLY ARG LEU THR TYR ARG SER TRP GLY LEU LEU SEQRES 47 A 693 TYR LYS TRP CYS TYR TYR SER GLU ARG TYR THR MET THR SEQRES 48 A 693 SER ASN ALA VAL SER TYR THR GLY HIS LEU PRO PRO TYR SEQRES 49 A 693 LEU MET SER ASN VAL THR LEU GLU LYS GLY PHE SER LEU SEQRES 50 A 693 ARG TRP ALA ASP LEU SER LEU LYS GLY THR VAL ASN ASN SEQRES 51 A 693 LEU PHE ASP GLU GLU TYR LEU SER VAL LEU SER ARG PRO SEQRES 52 A 693 MET PRO GLY ILE ASN PHE GLU PHE PHE ILE GLY ILE THR SEQRES 53 A 693 PRO LYS TRP GLY LYS LYS LYS LYS GLY GLY GLY HIS HIS SEQRES 54 A 693 HIS HIS HIS HIS SEQRES 1 B 355 MET LYS ARG ILE LEU LEU SER VAL LEU PHE ILE VAL PHE SEQRES 2 B 355 CYS LEU THR ALA PHE VAL GLY CYS MET LYS TRP ASP TYR SEQRES 3 B 355 GLY LYS MET GLU PRO PHE ARG ALA THR GLY ASP GLY LEU SEQRES 4 B 355 PHE ILE MET ASN GLU GLY ASN PHE GLN TYR GLY ASN ALA SEQRES 5 B 355 THR LEU SER TYR TYR ASP PRO GLU THR LYS LYS VAL GLU SEQRES 6 B 355 ASN GLU ILE PHE TYR ARG ALA ASN ALA MET LYS LEU GLY SEQRES 7 B 355 ASP VAL ALA GLN SER MET ILE VAL ARG ASP THR ILE GLY SEQRES 8 B 355 TRP VAL VAL VAL ASN ASN SER HIS VAL ILE PHE ALA ILE SEQRES 9 B 355 SER THR ASN THR PHE LYS GLU VAL GLY ARG ILE THR GLY SEQRES 10 B 355 LEU THR SER PRO ARG TYR ILE HIS PHE ILE SER ASP GLU SEQRES 11 B 355 LYS ALA TYR ILE THR GLN ILE TRP ASP TYR ARG ILE PHE SEQRES 12 B 355 ILE VAL ASN PRO LYS THR TYR GLN ILE THR GLY TYR ILE SEQRES 13 B 355 GLU CYS PRO ASP MET THR MET GLU THR GLY SER THR GLU SEQRES 14 B 355 GLN MET VAL GLN TYR GLY LYS TYR VAL TYR VAL ASN CYS SEQRES 15 B 355 TRP SER TYR GLN ASN ARG ILE LEU LYS ILE ASP THR THR SEQRES 16 B 355 THR ASP LYS VAL VAL ASP GLN LEU THR VAL GLY ILE GLN SEQRES 17 B 355 PRO THR SER LEU VAL MET ASP LYS ASN PHE LYS MET TRP SEQRES 18 B 355 THR ILE THR ASP GLY GLY TYR LYS GLY SER PRO TYR GLY SEQRES 19 B 355 TYR GLU GLU PRO SER LEU TYR ARG ILE ASP ALA GLU THR SEQRES 20 B 355 PHE LYS ILE GLU LYS GLN PHE LYS PHE GLN LEU GLY ASP SEQRES 21 B 355 ALA PRO SER GLU VAL GLN LEU ASN GLY ALA GLY ASP GLU SEQRES 22 B 355 LEU TYR TRP ILE ASN LYS ASP ILE TRP ARG MET SER VAL SEQRES 23 B 355 ASP GLU GLU ARG VAL PRO VAL ARG PRO PHE LEU LYS TYR SEQRES 24 B 355 ARG ASP THR LYS TYR TYR GLY LEU THR VAL SER PRO LYS SEQRES 25 B 355 ASN GLY ASP VAL TYR VAL ALA ASP ALA ILE ASP TYR GLN SEQRES 26 B 355 GLN GLN GLY MET ILE TYR ARG TYR THR GLU ASP GLY GLU SEQRES 27 B 355 LEU VAL ASP GLU PHE TYR VAL GLY ILE ILE PRO GLY ALA SEQRES 28 B 355 PHE CYS TRP LYS HET CNC B 401 93 HETNAM CNC CYANOCOBALAMIN FORMUL 3 CNC C63 H89 CO N14 O14 P 2+ HELIX 1 AA1 PRO A 50 ILE A 54 5 5 HELIX 2 AA2 ASP A 62 LYS A 67 1 6 HELIX 3 AA3 SER A 73 SER A 82 1 10 HELIX 4 AA4 SER A 103 SER A 105 5 3 HELIX 5 AA5 ASP A 125 ILE A 129 5 5 HELIX 6 AA6 PRO A 130 ILE A 134 5 5 HELIX 7 AA7 THR A 143 MET A 148 5 6 HELIX 8 AA8 THR A 475 TYR A 480 1 6 HELIX 9 AA9 GLU B 67 ALA B 74 1 8 SHEET 1 AA1 5 GLN A 58 PHE A 61 0 SHEET 2 AA1 5 ASP A 136 HIS A 141 -1 O ALA A 137 N PHE A 61 SHEET 3 AA1 5 GLY A 155 SER A 160 -1 O LEU A 156 N LEU A 140 SHEET 4 AA1 5 THR A 107 TRP A 111 1 N THR A 110 O LEU A 159 SHEET 5 AA1 5 MET A 114 ARG A 115 -1 O MET A 114 N TRP A 111 SHEET 1 AA2 2 PHE A 85 SER A 88 0 SHEET 2 AA2 2 SER A 95 SER A 98 -1 O THR A 96 N LYS A 87 SHEET 1 AA320 LYS A 441 TRP A 442 0 SHEET 2 AA320 GLY A 428 PHE A 438 -1 N PHE A 438 O LYS A 441 SHEET 3 AA320 ARG A 410 TRP A 421 -1 N GLY A 415 O GLY A 435 SHEET 4 AA320 LEU A 364 VAL A 377 -1 N HIS A 373 O GLU A 412 SHEET 5 AA320 MET A 337 SER A 361 -1 N GLY A 356 O ALA A 368 SHEET 6 AA320 LYS A 312 ASP A 331 -1 N GLY A 318 O TYR A 351 SHEET 7 AA320 PHE A 289 THR A 307 -1 N LEU A 302 O GLY A 317 SHEET 8 AA320 ASP A 261 ARG A 274 -1 N TRP A 268 O ARG A 299 SHEET 9 AA320 TYR A 244 ASN A 256 -1 N LEU A 247 O ASP A 271 SHEET 10 AA320 TRP A 196 SER A 207 -1 N GLN A 205 O ASP A 246 SHEET 11 AA320 THR A 182 GLY A 192 -1 N LEU A 189 O THR A 200 SHEET 12 AA320 GLY A 168 GLY A 178 -1 N GLY A 176 O ASP A 184 SHEET 13 AA320 ASN A 688 PRO A 697 -1 O PHE A 691 N ILE A 177 SHEET 14 AA320 ALA A 660 ASN A 669 -1 N THR A 667 O GLU A 690 SHEET 15 AA320 TYR A 644 SER A 656 -1 N LYS A 653 O LEU A 664 SHEET 16 AA320 TRP A 615 TYR A 624 -1 N LEU A 618 O THR A 650 SHEET 17 AA320 TYR A 602 TYR A 612 -1 N TYR A 612 O TRP A 615 SHEET 18 AA320 TRP A 565 TRP A 575 -1 N ASN A 570 O SER A 607 SHEET 19 AA320 VAL A 546 VAL A 559 -1 N VAL A 553 O PHE A 573 SHEET 20 AA320 SER A 578 ASN A 580 -1 O ILE A 579 N HIS A 547 SHEET 1 AA4 8 LYS A 441 TRP A 442 0 SHEET 2 AA4 8 GLY A 428 PHE A 438 -1 N PHE A 438 O LYS A 441 SHEET 3 AA4 8 ILE A 446 SER A 456 -1 O ILE A 446 N ARG A 434 SHEET 4 AA4 8 ILE A 461 ARG A 472 -1 O ALA A 463 N TYR A 453 SHEET 5 AA4 8 GLU A 492 SER A 504 -1 O GLY A 494 N ASN A 470 SHEET 6 AA4 8 TYR A 511 ASN A 525 -1 O TRP A 519 N THR A 499 SHEET 7 AA4 8 VAL A 546 VAL A 559 -1 O VAL A 546 N ILE A 524 SHEET 8 AA4 8 SER A 578 ASN A 580 -1 O ILE A 579 N HIS A 547 SHEET 1 AA5 2 LYS A 212 ARG A 214 0 SHEET 2 AA5 2 ILE A 236 ARG A 238 -1 O GLU A 237 N TYR A 213 SHEET 1 AA6 2 GLU A 220 ILE A 222 0 SHEET 2 AA6 2 GLU A 231 TYR A 233 -1 O GLU A 231 N ILE A 222 SHEET 1 AA7 4 LYS B 63 ASN B 66 0 SHEET 2 AA7 4 THR B 53 ASP B 58 -1 N TYR B 56 O GLU B 65 SHEET 3 AA7 4 LEU B 39 ASN B 43 -1 N ILE B 41 O SER B 55 SHEET 4 AA7 4 PRO B 349 TRP B 354 -1 O CYS B 353 N PHE B 40 SHEET 1 AA8 4 ALA B 81 ARG B 87 0 SHEET 2 AA8 4 ILE B 90 VAL B 95 -1 O TRP B 92 N ILE B 85 SHEET 3 AA8 4 VAL B 100 SER B 105 -1 O ILE B 104 N GLY B 91 SHEET 4 AA8 4 GLU B 111 THR B 116 -1 O VAL B 112 N ALA B 103 SHEET 1 AA9 4 PRO B 121 SER B 128 0 SHEET 2 AA9 4 LYS B 131 GLN B 136 -1 O THR B 135 N ARG B 122 SHEET 3 AA9 4 ARG B 141 VAL B 145 -1 O VAL B 145 N ALA B 132 SHEET 4 AA9 4 ILE B 152 GLU B 157 -1 O THR B 153 N ILE B 144 SHEET 1 AB1 4 MET B 171 TYR B 174 0 SHEET 2 AB1 4 TYR B 177 CYS B 182 -1 O TYR B 179 N VAL B 172 SHEET 3 AB1 4 ARG B 188 ASP B 193 -1 O ILE B 192 N VAL B 178 SHEET 4 AB1 4 LYS B 198 THR B 204 -1 O LYS B 198 N ASP B 193 SHEET 1 AB2 4 PRO B 209 MET B 214 0 SHEET 2 AB2 4 MET B 220 THR B 224 -1 O ILE B 223 N THR B 210 SHEET 3 AB2 4 SER B 239 TYR B 241 -1 O TYR B 241 N THR B 222 SHEET 4 AB2 4 GLN B 253 LYS B 255 -1 O PHE B 254 N LEU B 240 SHEET 1 AB3 2 GLU B 273 TRP B 276 0 SHEET 2 AB3 2 TRP B 282 SER B 285 -1 O MET B 284 N LEU B 274 SHEET 1 AB4 4 TYR B 304 VAL B 309 0 SHEET 2 AB4 4 VAL B 316 ASP B 320 -1 O ALA B 319 N GLY B 306 SHEET 3 AB4 4 GLN B 327 TYR B 333 -1 O TYR B 333 N VAL B 316 SHEET 4 AB4 4 LEU B 339 ILE B 347 -1 O VAL B 340 N ARG B 332 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