HEADER MEMBRANE PROTEIN 21-SEP-21 7S9Y TITLE HELICOBACTER HEPATICUS CCSBA OPEN CONFORMATION COMPND MOL_ID: 1; COMPND 2 MOLECULE: CYTOCHROME C BIOGENESIS PROTEIN; COMPND 3 CHAIN: A; COMPND 4 ENGINEERED: YES SOURCE MOL_ID: 1; SOURCE 2 ORGANISM_SCIENTIFIC: HELICOBACTER HEPATICUS; SOURCE 3 ORGANISM_TAXID: 32025; SOURCE 4 GENE: CCSBA; SOURCE 5 EXPRESSION_SYSTEM: ESCHERICHIA COLI BL21(DE3); SOURCE 6 EXPRESSION_SYSTEM_TAXID: 469008; SOURCE 7 EXPRESSION_SYSTEM_VARIANT: C43 KEYWDS CYTOCHROME C BIOGENESIS, HEME TRANSPORTER, HEME LYASE, MEMBRANE KEYWDS 2 PROTEIN EXPDTA ELECTRON MICROSCOPY AUTHOR D.L.MENDEZ,E.P.LOWDER,D.E.TILLMAN,M.C.SUTHERLAND,A.L.COLLIER,M.J.RAU, AUTHOR 2 J.A.FITZPATRICK,R.G.KRANZ REVDAT 3 12-JAN-22 7S9Y 1 JRNL REVDAT 2 05-JAN-22 7S9Y 1 JRNL REVDAT 1 22-DEC-21 7S9Y 0 JRNL AUTH D.L.MENDEZ,E.P.LOWDER,D.E.TILLMAN,M.C.SUTHERLAND, JRNL AUTH 2 A.L.COLLIER,M.J.RAU,J.A.J.FITZPATRICK,R.G.KRANZ JRNL TITL CRYO-EM OF CCSBA REVEALS THE BASIS FOR CYTOCHROME C JRNL TITL 2 BIOGENESIS AND HEME TRANSPORT. JRNL REF NAT.CHEM.BIOL. V. 18 101 2022 JRNL REFN ESSN 1552-4469 JRNL PMID 34931065 JRNL DOI 10.1038/S41589-021-00935-Y REMARK 2 REMARK 2 RESOLUTION. 3.56 ANGSTROMS. REMARK 3 REMARK 3 REFINEMENT. REMARK 3 SOFTWARE PACKAGES : CRYOSPARC, EPU, CRYOSPARC, COOT, REMARK 3 CRYOSPARC, CRYOSPARC, CRYOSPARC, REMARK 3 CRYOSPARC, PHENIX REMARK 3 RECONSTRUCTION SCHEMA : FOURIER SPACE REMARK 3 REMARK 3 EM MAP-MODEL FITTING AND REFINEMENT REMARK 3 PDB ENTRY : NULL REMARK 3 REFINEMENT SPACE : REAL REMARK 3 REFINEMENT PROTOCOL : FLEXIBLE FIT REMARK 3 REFINEMENT TARGET : NULL REMARK 3 OVERALL ANISOTROPIC B VALUE : NULL REMARK 3 REMARK 3 FITTING PROCEDURE : DE NOVO MODELLING WAS UNDERTAKEN USING COOT. REMARK 3 BOTH PHENIX AND ISOLDE WERE USED FOR REFINEMENT 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) : 3.560 REMARK 3 NUMBER OF PARTICLES : 140727 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 7S9Y COMPLIES WITH FORMAT V. 3.30, 13-JUL-11 REMARK 100 REMARK 100 THIS ENTRY HAS BEEN PROCESSED BY RCSB ON 22-SEP-21. REMARK 100 THE DEPOSITION ID IS D_1000259870. 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 CCSBA WITH TWO HEMES REMARK 245 PRESENT REMARK 245 SAMPLE CONCENTRATION (MG ML-1) : 2.80 REMARK 245 SAMPLE SUPPORT DETAILS : NULL REMARK 245 SAMPLE VITRIFICATION DETAILS : BLOT FOR 2 SECONDS AT A BLOT REMARK 245 FORCE OF -1 AND PLUNGE FROZEN REMARK 245 SAMPLE BUFFER : NULL REMARK 245 PH : 8.00 REMARK 245 SAMPLE DETAILS : PURIFIED FROM E. COLI IN DDM REMARK 245 REMARK 245 DATA ACQUISITION REMARK 245 DATE OF EXPERIMENT : NULL REMARK 245 NUMBER OF MICROGRAPHS-IMAGES : 8676 REMARK 245 TEMPERATURE (KELVIN) : NULL REMARK 245 MICROSCOPE MODEL : TFS KRIOS REMARK 245 DETECTOR TYPE : GATAN K2 QUANTUM (4K X 4K) REMARK 245 MINIMUM DEFOCUS (NM) : 1000.00 REMARK 245 MAXIMUM DEFOCUS (NM) : 2500.00 REMARK 245 MINIMUM TILT ANGLE (DEGREES) : NULL REMARK 245 MAXIMUM TILT ANGLE (DEGREES) : NULL REMARK 245 NOMINAL CS : 0.01 REMARK 245 IMAGING MODE : BRIGHT FIELD REMARK 245 ELECTRON DOSE (ELECTRONS NM**-2) : 6600.00 REMARK 245 ILLUMINATION MODE : FLOOD BEAM REMARK 245 NOMINAL MAGNIFICATION : 105000 REMARK 245 CALIBRATED MAGNIFICATION : 105000 REMARK 245 SOURCE : FIELD EMISSION GUN REMARK 245 ACCELERATION VOLTAGE (KV) : 300 REMARK 245 IMAGING DETAILS : PRELIMINARY GRID SCREENING REMARK 245 WAS PERFORMED MANUALLY. 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: MONOMERIC REMARK 350 APPLY THE FOLLOWING TO CHAINS: A 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 PHE A 345 REMARK 465 SER A 346 REMARK 465 LEU A 347 REMARK 465 MET A 348 REMARK 465 LEU A 349 REMARK 465 CYS A 350 REMARK 465 SER A 351 REMARK 465 ALA A 352 REMARK 465 LEU A 353 REMARK 465 CYS A 354 REMARK 465 TYR A 355 REMARK 465 ALA A 356 REMARK 465 LEU A 357 REMARK 465 SER A 358 REMARK 465 SER A 359 REMARK 465 PRO A 360 REMARK 465 GLN A 361 REMARK 465 ILE A 362 REMARK 465 ALA A 363 REMARK 465 TYR A 364 REMARK 465 ALA A 365 REMARK 465 SER A 366 REMARK 465 THR A 367 REMARK 465 GLN A 368 REMARK 465 SER A 369 REMARK 465 GLN A 370 REMARK 465 THR A 371 REMARK 465 ASP A 372 REMARK 465 PHE A 373 REMARK 465 GLN A 374 REMARK 465 PRO A 375 REMARK 465 LEU A 376 REMARK 465 SER A 377 REMARK 465 GLU A 378 REMARK 465 ASN A 379 REMARK 465 GLU A 380 REMARK 465 ILE A 381 REMARK 465 PRO A 382 REMARK 465 PRO A 383 REMARK 465 LEU A 384 REMARK 465 GLN A 385 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 TRP A 44 -22.49 71.42 REMARK 500 VAL A 45 -66.58 -134.69 REMARK 500 LYS A 76 36.57 38.65 REMARK 500 TYR A 142 57.85 -107.17 REMARK 500 PHE A 157 -76.26 -117.55 REMARK 500 GLU A 167 -84.78 -93.32 REMARK 500 ALA A 171 56.23 -106.92 REMARK 500 ASN A 175 -70.15 70.05 REMARK 500 SER A 177 -127.22 33.88 REMARK 500 LEU A 189 -154.07 51.15 REMARK 500 ASN A 202 49.56 -77.62 REMARK 500 ILE A 215 -78.96 -124.56 REMARK 500 TYR A 218 -126.75 65.47 REMARK 500 LYS A 239 146.15 -170.49 REMARK 500 TYR A 245 136.86 -34.90 REMARK 500 HIS A 480 73.62 61.46 REMARK 500 GLN A 492 -78.20 -102.70 REMARK 500 TYR A 493 112.89 -161.07 REMARK 500 LYS A 505 -70.22 -62.97 REMARK 500 SER A 506 135.76 -172.54 REMARK 500 ILE A 538 -52.61 -123.35 REMARK 500 LYS A 543 44.02 -96.64 REMARK 500 ASN A 547 15.42 -150.73 REMARK 500 THR A 588 -152.08 -141.31 REMARK 500 HIS A 589 68.13 -153.65 REMARK 500 TRP A 591 -12.40 61.25 REMARK 500 PRO A 693 46.03 -85.01 REMARK 500 TRP A 694 46.79 -142.93 REMARK 500 ALA A 697 -8.70 73.58 REMARK 500 PHE A 716 37.65 -99.26 REMARK 500 GLU A 791 -8.32 68.86 REMARK 500 LYS A 865 -50.06 75.77 REMARK 500 ALA A 900 44.06 -144.85 REMARK 500 LEU A 931 89.69 -166.40 REMARK 500 HIS A 935 -154.66 -84.50 REMARK 500 LEU A 936 -81.78 -137.49 REMARK 500 HIS A 937 103.90 -53.73 REMARK 500 HIS A 939 -60.21 67.62 REMARK 500 HIS A 941 -163.09 -178.57 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 HEB A1002 FE REMARK 620 N RES CSSEQI ATOM REMARK 620 1 HIS A 83 NE2 REMARK 620 2 HEB A1002 NA 81.4 REMARK 620 3 HEB A1002 NB 92.6 89.5 REMARK 620 4 HEB A1002 NC 100.3 178.4 90.5 REMARK 620 5 HEB A1002 ND 88.7 90.2 178.6 89.7 REMARK 620 6 HIS A 858 NE2 168.4 88.8 81.0 89.5 97.6 REMARK 620 N 1 2 3 4 5 REMARK 620 REMARK 620 COORDINATION ANGLES FOR: M RES CSSEQI METAL REMARK 620 HEB A1001 FE REMARK 620 N RES CSSEQI ATOM REMARK 620 1 HIS A 761 NE2 REMARK 620 2 HEB A1001 NA 103.0 REMARK 620 3 HEB A1001 NB 83.5 89.6 REMARK 620 4 HEB A1001 NC 78.6 178.4 90.5 REMARK 620 5 HEB A1001 ND 97.9 90.2 178.6 89.7 REMARK 620 6 HIS A 897 NE2 168.4 87.5 91.9 90.9 86.8 REMARK 620 N 1 2 3 4 5 REMARK 900 REMARK 900 RELATED ENTRIES REMARK 900 RELATED ID: EMD-24941 RELATED DB: EMDB REMARK 900 HELICOBACTER HEPATICUS CCSBA OPEN CONFORMATION DBREF 7S9Y A 1 936 UNP Q7VHG9 Q7VHG9_HELHP 1 936 SEQADV 7S9Y HIS A 937 UNP Q7VHG9 EXPRESSION TAG SEQADV 7S9Y HIS A 938 UNP Q7VHG9 EXPRESSION TAG SEQADV 7S9Y HIS A 939 UNP Q7VHG9 EXPRESSION TAG SEQADV 7S9Y HIS A 940 UNP Q7VHG9 EXPRESSION TAG SEQADV 7S9Y HIS A 941 UNP Q7VHG9 EXPRESSION TAG SEQADV 7S9Y HIS A 942 UNP Q7VHG9 EXPRESSION TAG SEQRES 1 A 942 MET MET ASN ILE ILE LYS THR LEU PHE CYS SER MET LYS SEQRES 2 A 942 MET VAL LEU LEU LEU ILE GLY ILE TYR ALA THR ALA CYS SEQRES 3 A 942 GLY ILE ALA THR PHE ILE GLU LYS TYR GLU GLY THR LEU SEQRES 4 A 942 ALA ALA ARG LEU TRP VAL TYR ASP ALA PHE TRP PHE GLU SEQRES 5 A 942 ILE LEU HIS ILE TRP LEU VAL ALA CYS LEU ILE GLY CYS SEQRES 6 A 942 PHE ILE THR SER LYS ALA TRP GLN ARG LYS LYS TYR ALA SEQRES 7 A 942 SER LEU LEU LEU HIS ALA SER PHE ILE VAL ILE ILE ILE SEQRES 8 A 942 GLY ALA GLY ILE THR ARG TYR TYR GLY PHE GLU GLY LEU SEQRES 9 A 942 MET ASN LEU ARG GLU GLY GLN SER VAL ASN PHE ILE SER SEQRES 10 A 942 THR ASN THR HIS TYR ILE PHE ILE GLN ILE LYS ASN PRO SEQRES 11 A 942 GLN GLY ASP VAL GLU SER VAL ARG ILE PRO THR TYR ILE SEQRES 12 A 942 ASP GLU LYS VAL ASN HIS LYS ILE ASN GLN HIS LEU THR SEQRES 13 A 942 PHE PHE GLY LYS PRO LEU THR LEU HIS THR GLU GLU PHE SEQRES 14 A 942 THR ALA LYS GLN VAL ASN MET SER GLU LEU PHE ILE LEU SEQRES 15 A 942 ASN ALA SER ILE ASP PHE LEU GLY LYS ASN GLU LYS THR SEQRES 16 A 942 LEU ILE MET ARG ASP GLY ASN ASN ALA PRO THR LYS GLU SEQRES 17 A 942 ASN ILE THR MET LEU GLU ILE GLU GLY TYR LYS ILE PHE SEQRES 18 A 942 LEU ALA TRP GLY ILE ASP ASN ILE ALA LEU PRO PHE SER SEQRES 19 A 942 ILE LYS LEU LYS LYS PHE GLU LEU GLU ARG TYR PRO GLY SEQRES 20 A 942 SER ASN SER PRO ALA SER TYR THR SER GLU VAL GLU VAL SEQRES 21 A 942 LEU ASP GLY GLN ASN PRO PRO LEU PRO PHE ARG ILE PHE SEQRES 22 A 942 MET ASN ASN VAL LEU ASP TYR GLY GLY TYR ARG PHE PHE SEQRES 23 A 942 GLN SER SER TYR HIS PRO ASP GLU LYS GLY SER ILE LEU SEQRES 24 A 942 SER VAL ASN ASN ASP PRO GLY LYS THR PRO THR TYR ILE SEQRES 25 A 942 GLY TYR ALA MET LEU ILE LEU GLY VAL ILE TRP LEU LEU SEQRES 26 A 942 PHE ASP LYS ASN GLY ARG PHE ALA THR LEU GLY ARG PHE SEQRES 27 A 942 LEU LYS THR GLN LYS PHE PHE SER LEU MET LEU CYS SER SEQRES 28 A 942 ALA LEU CYS TYR ALA LEU SER SER PRO GLN ILE ALA TYR SEQRES 29 A 942 ALA SER THR GLN SER GLN THR ASP PHE GLN PRO LEU SER SEQRES 30 A 942 GLU ASN GLU ILE PRO PRO LEU GLN ASP ILE PRO SER MET SEQRES 31 A 942 ILE LYS ALA LEU ALA ASP THR SER SER LEU THR ASN ASP SEQRES 32 A 942 PHE ASP ARG ILE LEU VAL GLN ASP PHE GLY GLY ARG ILE SEQRES 33 A 942 LYS PRO MET HIS THR LEU ALA ASN GLU TYR ILE HIS LYS SEQRES 34 A 942 LEU THR GLN GLN ARG THR PHE LYS GLY LEU ASN PRO SER SEQRES 35 A 942 GLN VAL PHE LEU GLY MET LEU PHE TYR PRO GLN GLU TRP SEQRES 36 A 942 GLN SER ILE GLN MET ILE ALA THR LYS SER PRO LYS LEU SEQRES 37 A 942 ARG GLN ILE LEU GLY LEU ASP GLU ASN GLN LYS HIS ILE SEQRES 38 A 942 ALA TYR ILE ASP VAL PHE THR PRO GLN GLY GLN TYR ILE SEQRES 39 A 942 LEU GLN ASN TYR VAL GLU ALA ALA ASN LEU LYS SER PRO SEQRES 40 A 942 SER LEU ARG ASP THR PHE GLU LYS ASP VAL ILE SER VAL SEQRES 41 A 942 ASP GLU ARG ILE ASN TYR ALA PHE LEU ILE TYR THR GLY SEQRES 42 A 942 GLN VAL LEU ARG ILE PHE PRO ASP ASN LYS SER PRO ASN SEQRES 43 A 942 ASN GLN TRP LEU TYR PRO LEU GLN ALA ILE SER SER ALA SEQRES 44 A 942 VAL ALA GLN ASP ASP THR LYS LYS ALA LYS GLU LEU MET SEQRES 45 A 942 GLN ILE TYR LYS LYS PHE ALA GLN GLY MET GLN GLN GLY SEQRES 46 A 942 ILE ASN THR HIS ASN TRP GLN GLU ALA ALA GLN ALA THR SEQRES 47 A 942 ARG ASP ILE ARG THR PHE GLN GLN ASN ASN GLY GLY SER SEQRES 48 A 942 LEU LEU ILE SER PRO ALA LYS VAL ASP SER GLU ILE TRP SEQRES 49 A 942 LEU ASN LEU TYR ASN PRO PHE TYR GLN LEU THR TYR PRO SEQRES 50 A 942 TYR ILE PHE ILE SER ILE VAL LEU PHE ILE ILE VAL LEU SEQRES 51 A 942 VAL GLY ILE LEU LYS ASN THR PRO THR ARG PRO LEU ILE SEQRES 52 A 942 HIS LYS VAL PHE TYR ILE LEU LEU PHE ALA LEU PHE ILE SEQRES 53 A 942 LEU HIS THR CYS GLY LEU GLY LEU ARG TRP TYR VAL SER SEQRES 54 A 942 GLU HIS ALA PRO TRP SER ASN ALA TYR GLU SER MET LEU SEQRES 55 A 942 TYR ILE ALA TRP ALA ALA ILE LEU SER GLY VAL VAL PHE SEQRES 56 A 942 PHE ARG ARG SER ASN LEU ALA LEU CYS ALA SER SER PHE SEQRES 57 A 942 LEU ALA GLY MET THR LEU PHE VAL ALA ASN LEU GLY ASP SEQRES 58 A 942 MET ASP PRO GLN ILE GLY ASN LEU MET PRO VAL LEU LYS SEQRES 59 A 942 SER TYR TRP LEU ASN ILE HIS VAL SER VAL ILE THR ALA SEQRES 60 A 942 SER TYR GLY PHE LEU GLY LEU CYS PHE MET LEU GLY LEU SEQRES 61 A 942 ILE THR LEU ILE MET PHE LEU LEU ARG ASN GLU LYS ARG SEQRES 62 A 942 SER GLN VAL ASP CYS SER ILE LEU SER LEU SER ALA LEU SEQRES 63 A 942 ASN GLU MET SER MET ILE LEU GLY LEU PHE LEU LEU SER SEQRES 64 A 942 VAL GLY ASN PHE LEU GLY GLY ILE TRP ALA ASN GLU SER SEQRES 65 A 942 TRP GLY ARG TYR TRP GLY TRP ASP SER LYS GLU THR TRP SEQRES 66 A 942 ALA LEU ILE SER ILE GLY VAL TYR ALA ILE ILE LEU HIS SEQRES 67 A 942 LEU ARG PHE VAL VAL PRO LYS ASN PHE PRO PHE ILE PHE SEQRES 68 A 942 ALA SER ALA SER VAL ILE GLY PHE PHE SER VAL LEU MET SEQRES 69 A 942 THR TYR PHE GLY VAL ASN TYR TYR LEU THR GLY MET HIS SEQRES 70 A 942 SER TYR ALA ALA GLY GLU ALA GLU PRO VAL PRO LEU TRP SEQRES 71 A 942 VAL GLU LEU MET VAL ALA GLY ILE ILE LEU LEU ILE ILE SEQRES 72 A 942 ILE ALA SER ARG LYS ARG VAL LEU ASP MET PRO HIS LEU SEQRES 73 A 942 HIS HIS HIS HIS HIS HIS HET HEB A1001 43 HET HEB A1002 43 HET PTY A1003 50 HETNAM HEB HEME B/C HETNAM PTY PHOSPHATIDYLETHANOLAMINE HETSYN HEB HYBRID BETWEEN B AND C TYPE HEMES (PROTOPORPHYRIN IX HETSYN 2 HEB CONTAINING FE) FORMUL 2 HEB 2(C34 H34 FE N4 O4) FORMUL 4 PTY C40 H80 N O8 P HELIX 1 AA1 SER A 11 GLU A 36 1 26 HELIX 2 AA2 GLY A 37 LEU A 43 1 7 HELIX 3 AA3 ALA A 48 SER A 69 1 22 HELIX 4 AA4 LYS A 76 GLY A 100 1 25 HELIX 5 AA5 GLY A 306 ASP A 327 1 22 HELIX 6 AA6 ASN A 329 GLN A 342 1 14 HELIX 7 AA7 SER A 389 ASP A 396 1 8 HELIX 8 AA8 THR A 397 ASP A 405 1 9 HELIX 9 AA9 MET A 419 THR A 431 1 13 HELIX 10 AB1 ASN A 440 TYR A 451 1 12 HELIX 11 AB2 TYR A 451 GLN A 456 1 6 HELIX 12 AB3 SER A 465 LEU A 472 1 8 HELIX 13 AB4 ALA A 482 PHE A 487 5 6 HELIX 14 AB5 LEU A 495 ASN A 503 1 9 HELIX 15 AB6 ASP A 511 GLY A 533 1 23 HELIX 16 AB7 TYR A 551 GLN A 562 1 12 HELIX 17 AB8 ASP A 564 THR A 588 1 25 HELIX 18 AB9 TRP A 591 GLY A 609 1 19 HELIX 19 AC1 SER A 615 TYR A 628 1 14 HELIX 20 AC2 ASN A 629 LEU A 634 1 6 HELIX 21 AC3 LEU A 634 LYS A 655 1 22 HELIX 22 AC4 ARG A 660 GLU A 690 1 31 HELIX 23 AC5 TYR A 698 VAL A 714 1 17 HELIX 24 AC6 SER A 719 ASN A 738 1 20 HELIX 25 AC7 MET A 750 TYR A 756 5 7 HELIX 26 AC8 TRP A 757 ARG A 789 1 33 HELIX 27 AC9 SER A 794 ASN A 830 1 37 HELIX 28 AD1 ASP A 840 LEU A 859 1 20 HELIX 29 AD2 ARG A 860 VAL A 862 5 3 HELIX 30 AD3 ASN A 866 GLY A 878 1 13 HELIX 31 AD4 GLY A 878 TYR A 892 1 15 HELIX 32 AD5 PRO A 908 SER A 926 1 19 HELIX 33 AD6 ARG A 927 ARG A 929 5 3 SHEET 1 AA1 4 GLU A 102 ARG A 108 0 SHEET 2 AA1 4 GLY A 296 ASN A 302 -1 O SER A 297 N LEU A 107 SHEET 3 AA1 4 TYR A 283 TYR A 290 -1 N PHE A 286 O SER A 300 SHEET 4 AA1 4 LEU A 278 TYR A 280 -1 N TYR A 280 O TYR A 283 SHEET 1 AA2 4 SER A 112 SER A 117 0 SHEET 2 AA2 4 ASN A 228 ARG A 244 -1 O ILE A 235 N VAL A 113 SHEET 3 AA2 4 PRO A 251 LEU A 261 -1 O GLU A 259 N LYS A 236 SHEET 4 AA2 4 LEU A 268 PHE A 273 -1 O PHE A 270 N VAL A 258 SHEET 1 AA3 4 GLU A 135 PRO A 140 0 SHEET 2 AA3 4 TYR A 122 LYS A 128 -1 N ILE A 125 O VAL A 137 SHEET 3 AA3 4 LYS A 219 GLY A 225 -1 O PHE A 221 N GLN A 126 SHEET 4 AA3 4 THR A 211 LEU A 213 -1 N LEU A 213 O ILE A 220 SHEET 1 AA4 4 ASN A 152 THR A 156 0 SHEET 2 AA4 4 PRO A 161 THR A 170 -1 O LEU A 162 N LEU A 155 SHEET 3 AA4 4 PHE A 180 PHE A 188 -1 O SER A 185 N HIS A 165 SHEET 4 AA4 4 LYS A 191 ARG A 199 -1 O THR A 195 N ALA A 184 SHEET 1 AA5 2 LEU A 408 GLN A 410 0 SHEET 2 AA5 2 ILE A 416 PRO A 418 -1 O LYS A 417 N VAL A 409 LINK NE2 HIS A 83 FE HEB A1002 1555 1555 1.97 LINK NE2 HIS A 761 FE HEB A1001 1555 1555 1.97 LINK NE2 HIS A 858 FE HEB A1002 1555 1555 1.98 LINK NE2 HIS A 897 FE HEB A1001 1555 1555 2.01 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