1.000000 0.000000 0.000000 0.000000 1.000000 0.000000 0.000000 0.000000 1.000000 0.00000 0.00000 0.00000 Falzone, C.J. Wang, Y. Vu, B.C. Scott, N.L. Bhattacharya, S. Lecomte, J.T. http://mmcif.pdb.org/dictionaries/ascii/mmcif_pdbx.dic 1 90.00 90.00 90.00 1.000 1.000 1.000 C3 H7 N O2 89.093 y ALANINE L-peptide linking C6 H15 N4 O2 1 175.209 y ARGININE L-peptide linking C4 H8 N2 O3 132.118 y ASPARAGINE L-peptide linking C4 H7 N O4 133.103 y ASPARTIC ACID L-peptide linking C5 H10 N2 O3 146.144 y GLUTAMINE L-peptide linking C5 H9 N O4 147.129 y GLUTAMIC ACID L-peptide linking C2 H5 N O2 75.067 y GLYCINE peptide linking C6 H10 N3 O2 1 156.162 y HISTIDINE L-peptide linking C6 H13 N O2 131.173 y ISOLEUCINE L-peptide linking C6 H13 N O2 131.173 y LEUCINE L-peptide linking C6 H15 N2 O2 1 147.195 y LYSINE L-peptide linking C9 H11 N O2 165.189 y PHENYLALANINE L-peptide linking C5 H9 N O2 115.130 y PROLINE L-peptide linking C3 H7 N O3 105.093 y SERINE L-peptide linking C4 H9 N O3 119.119 y THREONINE L-peptide linking C11 H12 N2 O2 204.225 y TRYPTOPHAN L-peptide linking C9 H11 N O3 181.189 y TYROSINE L-peptide linking C5 H11 N O2 117.146 y VALINE L-peptide linking US Biochemistry BICHAW 0033 0006-2960 40 4879 4891 10.1021/bi002681g 11294656 Structural and dynamic perturbations induced by heme binding in cytochrome b5. 2001 US Biochemistry BICHAW 0033 0006-2960 35 6519 6526 10.1021/bi960501q Design Challenges for Hemoproteins: The Solution Structure of Apocytochrome b5 1996 10.2210/pdb1i87/pdb pdb_00001i87 1.000000 0.000000 0.000000 0.000000 1.000000 0.000000 0.000000 0.000000 1.000000 0.00000 0.00000 0.00000 11229.305 CYTOCHROME B5 WATER-SOLUBLE DOMAIN (RESIDUES 1-98) 1 man polymer APOCYTOCHROME B5 no no AEQSDKDVKYYTLEEIQKHKDSKSTWVILHHKVYDLTKFLEEHPGGEEVLREQAGGDATENFEDVGHSTDARELSKTYII GELHPDDRSKIAKPSETL AEQSDKDVKYYTLEEIQKHKDSKSTWVILHHKVYDLTKFLEEHPGGEEVLREQAGGDATENFEDVGHSTDARELSKTYII GELHPDDRSKIAKPSETL A polypeptide(L) n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n Norway rat Rattus Escherichia Escherichia coli sample 10116 Rattus norvegicus 469008 Escherichia coli BL21(DE3) BL21(DE3) PLASMID PET3D database_2 pdbx_nmr_software pdbx_nmr_spectrometer pdbx_struct_assembly pdbx_struct_oper_list repository Initial release Version format compliance Version format compliance Data collection Database references Derived calculations 1 0 2001-05-16 1 1 2008-04-27 1 2 2011-07-13 1 3 2022-02-23 _database_2.pdbx_DOI _database_2.pdbx_database_accession _pdbx_nmr_software.name _pdbx_nmr_spectrometer.model MINIMIZED AVERAGE STRUCTURE CALCULATED FROM THIS ENSEMBLE RCSB Y RCSB 2001-03-12 REL The amino acid sequence numbering follows the bovine scheme, with the first four residues given negative values. These four residues are disordered and not included in the coordinates. structures with the lowest energy 100 20 3D_13C-separated_NOESY 3D_15N-separated_NOESY 2D-NOESY 2D-NOESY low 6.2 ambient 298 K His 26, 27, 39, 63, and 80 were protonated at the NE2 position in accordance to 15N NMR data. His 15 has a high pK and was protonated at the ND1 and NE2 positions. Additional details are provided in the primary citation. distance geometry simulated annealing molecular dynamics 1 mM apocytochrome b5, 13C,15N 90% H2O/10% D2O 1 mM apocytochrome b5, 15N 90% H2O/10% D2O 2 mM apocytochrome b5 90% H2O/10% D2O 2 mM apocytochrome b5 100% D2O Bruker collection XwinNMR 2.5 MSI processing Felix 97 MSI data analysis Felix 97 Brunger structure solution X-PLOR 3.851 Brunger refinement X-PLOR 3.851 500 Bruker AMX 600 Bruker AVANCE n 1 -3 A n 2 -2 A n 3 -1 A n 4 0 A ASP 1 n 5 ASP 1 A LYS 2 n 6 LYS 2 A ASP 3 n 7 ASP 3 A VAL 4 n 8 VAL 4 A LYS 5 n 9 LYS 5 A TYR 6 n 10 TYR 6 A TYR 7 n 11 TYR 7 A THR 8 n 12 THR 8 A LEU 9 n 13 LEU 9 A GLU 10 n 14 GLU 10 A GLU 11 n 15 GLU 11 A ILE 12 n 16 ILE 12 A GLN 13 n 17 GLN 13 A LYS 14 n 18 LYS 14 A HIS 15 n 19 HIS 15 A LYS 16 n 20 LYS 16 A ASP 17 n 21 ASP 17 A SER 18 n 22 SER 18 A LYS 19 n 23 LYS 19 A SER 20 n 24 SER 20 A THR 21 n 25 THR 21 A TRP 22 n 26 TRP 22 A VAL 23 n 27 VAL 23 A ILE 24 n 28 ILE 24 A LEU 25 n 29 LEU 25 A HIS 26 n 30 HIS 26 A HIS 27 n 31 HIS 27 A LYS 28 n 32 LYS 28 A VAL 29 n 33 VAL 29 A TYR 30 n 34 TYR 30 A ASP 31 n 35 ASP 31 A LEU 32 n 36 LEU 32 A THR 33 n 37 THR 33 A LYS 34 n 38 LYS 34 A PHE 35 n 39 PHE 35 A LEU 36 n 40 LEU 36 A GLU 37 n 41 GLU 37 A GLU 38 n 42 GLU 38 A HIS 39 n 43 HIS 39 A PRO 40 n 44 PRO 40 A GLY 41 n 45 GLY 41 A GLY 42 n 46 GLY 42 A GLU 43 n 47 GLU 43 A GLU 44 n 48 GLU 44 A VAL 45 n 49 VAL 45 A LEU 46 n 50 LEU 46 A ARG 47 n 51 ARG 47 A GLU 48 n 52 GLU 48 A GLN 49 n 53 GLN 49 A ALA 50 n 54 ALA 50 A GLY 51 n 55 GLY 51 A GLY 52 n 56 GLY 52 A ASP 53 n 57 ASP 53 A ALA 54 n 58 ALA 54 A THR 55 n 59 THR 55 A GLU 56 n 60 GLU 56 A ASN 57 n 61 ASN 57 A PHE 58 n 62 PHE 58 A GLU 59 n 63 GLU 59 A ASP 60 n 64 ASP 60 A VAL 61 n 65 VAL 61 A GLY 62 n 66 GLY 62 A HIS 63 n 67 HIS 63 A SER 64 n 68 SER 64 A THR 65 n 69 THR 65 A ASP 66 n 70 ASP 66 A ALA 67 n 71 ALA 67 A ARG 68 n 72 ARG 68 A GLU 69 n 73 GLU 69 A LEU 70 n 74 LEU 70 A SER 71 n 75 SER 71 A LYS 72 n 76 LYS 72 A THR 73 n 77 THR 73 A TYR 74 n 78 TYR 74 A ILE 75 n 79 ILE 75 A ILE 76 n 80 ILE 76 A GLY 77 n 81 GLY 77 A GLU 78 n 82 GLU 78 A LEU 79 n 83 LEU 79 A HIS 80 n 84 HIS 80 A PRO 81 n 85 PRO 81 A ASP 82 n 86 ASP 82 A ASP 83 n 87 ASP 83 A ARG 84 n 88 ARG 84 A SER 85 n 89 SER 85 A LYS 86 n 90 LYS 86 A ILE 87 n 91 ILE 87 A ALA 88 n 92 ALA 88 A LYS 89 n 93 LYS 89 A PRO 90 n 94 PRO 90 A SER 91 n 95 SER 91 A GLU 92 n 96 GLU 92 A THR 93 n 97 THR 93 A LEU 94 n 98 LEU 94 A author_defined_assembly 1 monomeric 1.0000000000 0.0000000000 0.0000000000 0.0000000000 1.0000000000 0.0000000000 0.0000000000 0.0000000000 1.0000000000 1_555 x,y,z identity operation 0.0000000000 0.0000000000 0.0000000000 A N TYR 7 A N TYR 11 A O GLU 78 A O GLU 82 A O GLY 77 A O GLY 81 A N VAL 29 A N VAL 33 A N TYR 30 A N TYR 34 A O VAL 23 A O VAL 27 1 A ALA -3 A ALA 1 1 Y 1 A GLU -2 A GLU 2 1 Y 1 A GLN -1 A GLN 3 1 Y 1 A SER 0 A SER 4 1 Y 2 A ALA -3 A ALA 1 1 Y 2 A GLU -2 A GLU 2 1 Y 2 A GLN -1 A GLN 3 1 Y 2 A SER 0 A SER 4 1 Y 3 A ALA -3 A ALA 1 1 Y 3 A GLU -2 A GLU 2 1 Y 3 A GLN -1 A GLN 3 1 Y 3 A SER 0 A SER 4 1 Y 4 A ALA -3 A ALA 1 1 Y 4 A GLU -2 A GLU 2 1 Y 4 A GLN -1 A GLN 3 1 Y 4 A SER 0 A SER 4 1 Y 5 A ALA -3 A ALA 1 1 Y 5 A GLU -2 A GLU 2 1 Y 5 A GLN -1 A GLN 3 1 Y 5 A SER 0 A SER 4 1 Y 6 A ALA -3 A ALA 1 1 Y 6 A GLU -2 A GLU 2 1 Y 6 A GLN -1 A GLN 3 1 Y 6 A SER 0 A SER 4 1 Y 7 A ALA -3 A ALA 1 1 Y 7 A GLU -2 A GLU 2 1 Y 7 A GLN -1 A GLN 3 1 Y 7 A SER 0 A SER 4 1 Y 8 A ALA -3 A ALA 1 1 Y 8 A GLU -2 A GLU 2 1 Y 8 A GLN -1 A GLN 3 1 Y 8 A SER 0 A SER 4 1 Y 9 A ALA -3 A ALA 1 1 Y 9 A GLU -2 A GLU 2 1 Y 9 A GLN -1 A GLN 3 1 Y 9 A SER 0 A SER 4 1 Y 10 A ALA -3 A ALA 1 1 Y 10 A GLU -2 A GLU 2 1 Y 10 A GLN -1 A GLN 3 1 Y 10 A SER 0 A SER 4 1 Y 11 A ALA -3 A ALA 1 1 Y 11 A GLU -2 A GLU 2 1 Y 11 A GLN -1 A GLN 3 1 Y 11 A SER 0 A SER 4 1 Y 12 A ALA -3 A ALA 1 1 Y 12 A GLU -2 A GLU 2 1 Y 12 A GLN -1 A GLN 3 1 Y 12 A SER 0 A SER 4 1 Y 13 A ALA -3 A ALA 1 1 Y 13 A GLU -2 A GLU 2 1 Y 13 A GLN -1 A GLN 3 1 Y 13 A SER 0 A SER 4 1 Y 14 A ALA -3 A ALA 1 1 Y 14 A GLU -2 A GLU 2 1 Y 14 A GLN -1 A GLN 3 1 Y 14 A SER 0 A SER 4 1 Y 15 A ALA -3 A ALA 1 1 Y 15 A GLU -2 A GLU 2 1 Y 15 A GLN -1 A GLN 3 1 Y 15 A SER 0 A SER 4 1 Y 16 A ALA -3 A ALA 1 1 Y 16 A GLU -2 A GLU 2 1 Y 16 A GLN -1 A GLN 3 1 Y 16 A SER 0 A SER 4 1 Y 17 A ALA -3 A ALA 1 1 Y 17 A GLU -2 A GLU 2 1 Y 17 A GLN -1 A GLN 3 1 Y 17 A SER 0 A SER 4 1 Y 18 A ALA -3 A ALA 1 1 Y 18 A GLU -2 A GLU 2 1 Y 18 A GLN -1 A GLN 3 1 Y 18 A SER 0 A SER 4 1 Y 19 A ALA -3 A ALA 1 1 Y 19 A GLU -2 A GLU 2 1 Y 19 A GLN -1 A GLN 3 1 Y 19 A SER 0 A SER 4 1 Y 20 A ALA -3 A ALA 1 1 Y 20 A GLU -2 A GLU 2 1 Y 20 A GLN -1 A GLN 3 1 Y 20 A SER 0 A SER 4 1 Y 6 A A HZ2 OE2 LYS GLU 28 78 1.58 1 A LYS 2 -151.86 28.97 1 A VAL 4 53.64 101.91 1 A TYR 7 -61.74 -168.69 1 A GLN 13 -90.35 48.69 1 A LYS 14 -150.35 28.88 1 A HIS 15 -101.66 48.10 1 A ASP 17 -110.95 -157.97 1 A SER 18 52.99 -159.34 1 A LYS 19 -121.76 -155.20 1 A SER 20 53.13 98.53 1 A TRP 22 -107.29 76.64 1 A LEU 25 -86.16 -76.20 1 A HIS 26 -125.29 -53.01 1 A HIS 27 -141.31 20.65 1 A PRO 40 -53.05 91.66 1 A GLU 43 55.53 -87.08 1 A ARG 47 52.23 75.36 1 A GLU 48 -169.13 40.01 1 A ASP 53 52.72 79.89 1 A ALA 54 52.66 -166.87 1 A THR 55 -100.31 47.49 1 A GLU 56 52.74 -153.80 1 A PHE 58 -170.33 -158.51 1 A ASP 66 -94.49 49.89 1 A ARG 68 -135.58 -50.67 1 A SER 71 -94.54 43.35 1 A LYS 72 -146.11 -67.58 1 A ARG 84 -56.11 -172.63 1 A LYS 86 -169.61 75.69 1 A SER 91 52.78 -159.26 1 A THR 93 -140.63 -45.25 2 A VAL 4 56.79 166.28 2 A TYR 7 -61.76 -168.78 2 A GLN 13 -90.19 49.13 2 A LYS 14 -159.95 32.47 2 A LYS 16 -167.70 32.67 2 A ASP 17 -168.57 -40.44 2 A LYS 19 55.85 173.67 2 A SER 20 53.45 179.43 2 A TRP 22 -104.42 75.45 2 A HIS 26 -170.08 -39.69 2 A HIS 27 -138.98 -44.29 2 A LEU 32 -88.33 48.41 2 A PRO 40 -53.00 103.25 2 A GLU 43 56.28 -86.70 2 A GLN 49 53.01 -178.21 2 A ALA 50 52.78 87.41 2 A ALA 54 -94.72 42.62 2 A ASP 60 38.47 -155.95 2 A VAL 61 -117.27 63.83 2 A ASP 66 -148.99 -44.97 2 A ALA 67 -81.62 -70.22 2 A LYS 72 -155.23 -46.13 2 A GLU 78 -117.91 -169.57 2 A SER 85 -88.52 -154.38 2 A ILE 87 -88.72 48.35 2 A PRO 90 -51.41 99.59 2 A SER 91 -167.27 96.44 2 A GLU 92 56.26 -86.16 3 A ASP 3 -165.59 37.32 3 A GLN 13 -90.12 48.72 3 A LYS 14 -157.79 28.87 3 A HIS 15 -114.65 -167.17 3 A ASP 17 -105.12 -156.14 3 A SER 18 59.38 -81.75 3 A LEU 25 -126.00 -76.97 3 A LEU 32 -91.79 44.12 3 A PRO 40 -52.32 92.08 3 A GLU 43 -164.41 -156.41 3 A LEU 46 -102.06 71.88 3 A GLU 48 55.56 -86.69 3 A GLN 49 -160.52 -63.47 3 A ALA 54 -167.82 -72.23 3 A THR 55 55.20 175.85 3 A VAL 61 -61.15 -165.07 3 A ASP 66 -163.97 -60.15 3 A ALA 67 -89.41 -159.39 3 A ARG 68 -150.29 -52.56 3 A GLU 69 -117.68 53.32 3 A TYR 74 -92.19 44.77 3 A ARG 84 -61.74 -157.94 3 A SER 85 -61.57 88.27 3 A LYS 86 -167.91 47.55 3 A THR 93 -148.43 -64.03 4 A LYS 2 55.70 -86.74 4 A VAL 4 56.86 166.01 4 A LYS 5 -137.32 -154.38 4 A TYR 7 -61.60 -165.60 4 A GLN 13 -90.31 48.91 4 A LYS 14 -154.40 29.41 4 A LYS 16 -94.73 42.89 4 A ASP 17 -167.86 -41.03 4 A SER 18 -62.87 -159.42 4 A LEU 25 -113.43 -73.31 4 A ASP 31 -102.46 77.73 4 A PRO 40 -52.97 102.48 4 A LEU 46 52.20 -89.15 4 A GLN 49 58.83 -83.50 4 A ASP 53 -167.79 -63.53 4 A ALA 54 -149.87 -71.86 4 A THR 55 -150.19 55.20 4 A GLU 56 -60.79 -162.38 4 A ASN 57 -59.44 102.03 4 A GLU 59 -145.36 -72.32 4 A HIS 63 -153.48 -64.50 4 A SER 64 57.86 -84.64 4 A GLU 69 53.60 -179.17 4 A LYS 72 -168.51 -57.57 4 A TYR 74 -94.69 36.52 4 A LYS 86 -171.75 -76.63 4 A ILE 87 -148.97 -77.52 4 A LYS 89 -160.72 62.11 4 A PRO 90 -52.94 -175.92 4 A SER 91 -93.46 -158.80 4 A THR 93 -131.66 -64.59 5 A LYS 2 -140.82 29.50 5 A VAL 4 53.79 102.30 5 A LYS 5 -84.74 -154.51 5 A LYS 16 -69.34 73.23 5 A LEU 25 -90.45 -60.56 5 A HIS 26 -152.13 -45.94 5 A ASP 31 -101.16 74.64 5 A PRO 40 -52.42 102.53 5 A GLU 43 -171.03 -38.36 5 A GLU 44 -100.06 72.15 5 A GLU 48 52.77 -174.05 5 A GLN 49 -146.52 28.29 5 A ALA 50 -167.84 -50.51 5 A GLU 56 56.46 -85.97 5 A ASN 57 -120.82 -51.00 5 A PHE 58 52.85 96.02 5 A ASP 60 -108.17 -164.64 5 A HIS 63 -162.30 30.08 5 A ASP 66 -159.33 -43.29 5 A LYS 72 -143.64 -44.81 5 A LYS 86 53.65 77.33 5 A ILE 87 -146.95 38.79 5 A ALA 88 -67.01 82.68 5 A LYS 89 -166.98 62.95 5 A PRO 90 -52.89 172.03 5 A SER 91 -140.26 -159.55 6 A VAL 4 53.66 102.87 6 A TYR 7 -61.63 -168.32 6 A GLN 13 -90.01 48.66 6 A LYS 14 -164.95 55.90 6 A TRP 22 -100.47 77.68 6 A LEU 25 -109.05 -74.06 6 A ASP 31 -105.25 77.85 6 A LEU 32 -92.34 45.20 6 A PRO 40 -52.95 91.36 6 A GLU 43 -164.01 -72.97 6 A ARG 47 52.84 98.42 6 A ALA 50 -145.24 29.17 6 A PHE 58 -84.07 -159.14 6 A THR 65 -168.76 -39.74 6 A ARG 68 56.32 -86.11 6 A LEU 70 -90.11 54.26 6 A TYR 74 -99.48 51.39 6 A ILE 76 -130.60 -36.96 6 A SER 85 -71.26 -150.11 6 A LYS 86 -97.48 -79.59 6 A SER 91 52.60 80.85 6 A GLU 92 -167.73 -62.52 7 A ASP 3 52.86 -159.57 7 A LYS 5 -116.53 -161.92 7 A TYR 7 -61.63 -169.47 7 A LYS 14 -166.81 73.59 7 A ASP 17 -117.43 -144.07 7 A LEU 25 -101.01 -152.75 7 A HIS 27 -168.21 -38.87 7 A ASP 31 -104.05 78.89 7 A PRO 40 -53.03 91.77 7 A GLU 43 55.81 -86.03 7 A GLU 44 -69.30 73.42 7 A LEU 46 -95.74 36.00 7 A GLU 48 53.11 -156.81 7 A ALA 50 53.51 -179.30 7 A ALA 54 52.78 -175.83 7 A THR 55 -143.92 53.60 7 A PHE 58 -123.31 -165.39 7 A GLU 59 56.60 -85.95 7 A VAL 61 -157.83 28.28 7 A ASP 66 -167.37 47.97 7 A ARG 68 52.80 -168.07 7 A LYS 72 -159.61 -49.30 7 A LYS 86 37.19 52.37 7 A PRO 90 -53.17 -175.72 7 A GLU 92 -97.04 -62.36 7 A THR 93 -151.77 -71.81 8 A TYR 7 -61.92 -164.06 8 A ASP 17 -167.85 -64.35 8 A SER 18 49.97 26.46 8 A LYS 19 66.41 -67.10 8 A SER 20 -60.54 -171.57 8 A LEU 25 -91.15 -77.37 8 A HIS 27 -150.22 22.17 8 A ASP 31 -102.82 78.98 8 A LEU 32 -90.58 46.08 8 A PRO 40 -52.74 92.13 8 A GLU 44 -100.20 54.08 8 A ARG 47 -152.68 -64.54 8 A GLN 49 -163.23 52.99 8 A ALA 50 -166.79 -64.60 8 A ASP 53 -168.27 -164.71 8 A THR 55 44.32 95.30 8 A GLU 56 -131.93 -57.12 8 A PHE 58 53.16 -177.68 8 A GLU 59 -60.03 -164.25 8 A ASP 60 50.25 85.62 8 A SER 64 -149.60 44.14 8 A LEU 70 -91.14 49.55 8 A SER 85 -89.43 -156.35 8 A ILE 87 -90.11 50.18 9 A LYS 2 -167.42 -164.29 9 A ASP 3 -93.28 45.35 9 A TYR 7 -69.96 -168.90 9 A GLN 13 -90.29 48.32 9 A LYS 14 -169.42 52.34 9 A LYS 16 -168.85 53.73 9 A ASP 17 -136.56 -44.30 9 A SER 18 -96.94 30.85 9 A LEU 25 -110.43 77.56 9 A HIS 26 55.84 99.94 9 A HIS 27 67.88 -62.59 9 A PRO 40 -53.12 91.84 9 A GLU 43 -164.27 -74.06 9 A LEU 46 45.67 -162.83 9 A ALA 50 -161.98 -166.78 9 A ASP 53 -161.62 79.12 9 A ALA 54 -165.38 32.19 9 A THR 55 45.28 -91.19 9 A GLU 56 55.36 175.39 9 A ASN 57 51.21 96.21 9 A PHE 58 -104.59 -71.21 9 A HIS 63 -79.86 -163.71 9 A SER 64 53.28 -159.53 9 A THR 65 -123.56 -165.00 9 A ARG 68 -161.07 -64.90 9 A LYS 72 -156.14 -54.98 9 A SER 85 -90.10 -155.06 9 A LYS 86 -118.15 63.13 9 A ILE 87 -145.86 29.70 9 A SER 91 52.81 -159.31 9 A GLU 92 56.60 -85.88 10 A LYS 5 -112.65 -157.45 10 A GLN 13 -90.28 48.76 10 A LYS 14 -163.59 63.95 10 A TRP 22 -101.52 73.27 10 A ASP 31 -105.28 78.40 10 A LEU 32 -88.58 49.43 10 A PRO 40 -52.53 92.04 10 A GLU 43 -62.33 -155.84 10 A GLU 44 -59.97 103.61 10 A VAL 45 -64.81 -126.54 10 A LEU 46 55.93 102.84 10 A GLU 48 49.26 26.65 10 A ALA 50 -89.65 -159.46 10 A ASP 53 53.13 98.99 10 A THR 55 -154.89 -158.25 10 A PHE 58 -60.94 -157.97 10 A GLU 59 53.19 98.49 10 A ALA 67 -83.82 -71.12 10 A LYS 72 -169.10 -40.41 10 A TYR 74 -90.30 48.90 10 A SER 85 -63.67 -151.07 10 A LYS 86 -120.17 -101.19 10 A ILE 87 -140.35 49.60 10 A THR 93 -157.83 45.65 11 A LYS 2 52.91 98.10 11 A TYR 7 -61.44 -167.01 11 A GLN 13 -90.28 49.06 11 A LYS 14 -167.37 49.01 11 A TRP 22 -103.40 74.33 11 A ASP 31 -105.89 79.86 11 A LEU 32 -92.27 44.37 11 A GLU 43 56.56 -85.98 11 A ARG 47 -107.01 70.38 11 A ASP 53 -167.49 -165.18 11 A ASP 60 -119.12 67.68 11 A SER 64 52.85 94.03 11 A LYS 72 -168.51 -41.00 11 A TYR 74 -90.70 48.80 11 A ARG 84 -62.30 -157.26 11 A ILE 87 -147.68 43.00 11 A SER 91 -147.55 -159.54 12 A LYS 2 52.78 -177.10 12 A VAL 4 54.18 105.24 12 A TYR 7 -79.31 -167.35 12 A GLN 13 -90.26 49.11 12 A LYS 14 -149.27 32.20 12 A SER 18 -93.69 45.94 12 A LEU 25 -105.14 71.47 12 A HIS 26 39.91 26.80 12 A HIS 27 -179.92 -61.56 12 A LEU 32 -89.95 45.59 12 A GLU 43 56.69 -84.18 12 A GLU 44 -90.54 46.97 12 A LEU 46 -90.28 54.34 12 A GLU 48 52.79 -176.50 12 A GLN 49 -79.63 -164.46 12 A ALA 50 52.70 98.29 12 A ALA 54 -80.78 -159.34 12 A HIS 63 -165.39 -158.99 12 A SER 64 -158.73 -146.01 12 A THR 65 53.22 97.24 12 A ASP 66 54.00 100.32 12 A LEU 70 -90.85 42.54 12 A SER 71 -100.39 70.89 12 A LYS 72 -168.52 -40.55 12 A THR 73 -96.96 30.38 12 A TYR 74 -152.01 29.17 12 A SER 85 -90.03 -74.61 12 A LYS 86 -169.94 -76.12 12 A SER 91 -167.69 79.44 12 A GLU 92 -164.54 -71.69 13 A ASP 3 -82.10 -158.76 13 A GLN 13 -90.31 49.06 13 A LYS 16 -146.38 -44.04 13 A SER 20 -171.88 -159.12 13 A THR 21 -159.44 82.54 13 A LEU 25 -103.58 -75.65 13 A HIS 27 -159.02 25.83 13 A PRO 40 -51.99 102.32 13 A GLU 43 -139.23 -45.42 13 A VAL 45 -59.30 104.42 13 A LEU 46 47.73 27.34 13 A GLN 49 -119.56 -164.71 13 A ASP 53 52.87 -165.69 13 A ALA 54 -111.68 -166.38 13 A GLU 56 56.40 -86.33 13 A ASN 57 -143.94 35.59 13 A PHE 58 52.26 -88.89 13 A GLU 59 -122.38 -51.47 13 A VAL 61 -100.44 46.06 13 A SER 64 -157.15 44.39 13 A ASP 66 38.94 -156.42 13 A ARG 68 -85.11 -72.09 13 A TYR 74 -92.75 44.52 13 A ILE 87 -143.36 31.47 13 A ALA 88 -71.95 -75.22 13 A PRO 90 -53.40 91.67 13 A SER 91 -144.85 28.55 13 A GLU 92 52.92 98.84 13 A THR 93 -149.07 29.00 14 A LYS 2 -164.06 46.89 14 A ASP 3 52.83 -176.23 14 A TYR 7 -62.07 -162.96 14 A LYS 14 -144.48 51.06 14 A ASP 17 -80.21 -70.47 14 A SER 18 52.78 -159.65 14 A HIS 26 54.56 87.58 14 A LEU 32 -91.89 42.54 14 A GLU 43 -173.41 -45.09 14 A VAL 45 -134.23 -47.33 14 A LEU 46 55.66 -81.62 14 A ARG 47 -144.71 -45.05 14 A GLU 48 -152.58 41.75 14 A ALA 50 -152.49 -53.32 14 A ALA 54 52.86 91.16 14 A VAL 61 -165.72 118.55 14 A HIS 63 -159.41 -61.18 14 A SER 64 -162.06 -42.64 14 A THR 65 -142.76 42.54 14 A ASP 66 52.99 98.56 14 A ALA 67 -90.38 47.23 14 A GLU 69 -93.81 41.58 14 A LEU 70 -90.08 -65.95 14 A LYS 72 -167.23 -60.74 14 A TYR 74 -89.95 47.47 14 A ARG 84 -59.49 -82.34 14 A SER 85 -90.75 -86.52 14 A LYS 86 -175.28 90.04 14 A ALA 88 -69.31 74.93 14 A SER 91 -167.74 -41.45 14 A THR 93 -125.48 -72.06 15 A VAL 4 53.29 91.12 15 A GLN 13 -88.92 48.91 15 A LYS 14 -168.48 33.61 15 A HIS 15 -102.13 -168.71 15 A LEU 25 -82.31 -76.02 15 A HIS 26 -124.16 -51.85 15 A HIS 27 -142.25 24.12 15 A ASP 31 -105.93 77.95 15 A LEU 32 -87.93 49.74 15 A PRO 40 -52.29 96.11 15 A GLU 43 67.32 -63.05 15 A GLU 44 -93.57 38.54 15 A GLN 49 52.72 95.61 15 A GLU 56 52.91 98.09 15 A ASN 57 52.90 98.36 15 A THR 65 -154.94 -72.11 15 A ALA 67 -83.26 -156.78 15 A ARG 68 55.55 172.65 15 A LEU 70 -90.75 -63.68 15 A LYS 72 -168.46 -40.92 15 A TYR 74 -90.91 47.76 15 A GLU 78 -110.92 -168.23 15 A ARG 84 -51.15 -82.24 15 A SER 85 -90.87 -87.11 15 A LYS 86 -175.66 70.88 15 A ILE 87 -90.95 49.89 15 A ALA 88 -71.02 -158.45 15 A PRO 90 -52.24 -176.58 15 A GLU 92 -167.92 80.63 15 A THR 93 -159.93 -64.61 16 A LYS 2 -164.31 31.34 16 A LYS 5 -114.27 -156.07 16 A GLN 13 -90.35 48.71 16 A LYS 14 -149.08 26.42 16 A HIS 15 -98.64 -156.06 16 A ASP 17 -168.36 -45.48 16 A SER 18 -169.55 50.49 16 A LYS 19 -136.94 -152.67 16 A SER 20 -102.23 -158.76 16 A LEU 25 -98.90 51.22 16 A HIS 26 56.92 18.97 16 A HIS 27 -176.29 -62.54 16 A PRO 40 -52.98 103.09 16 A GLU 43 -69.70 -72.39 16 A GLN 49 -159.62 -155.90 16 A ALA 50 -65.39 82.33 16 A ASP 53 53.48 99.46 16 A THR 55 -106.90 -154.85 16 A GLU 56 57.25 -85.90 16 A PHE 58 -59.32 -169.42 16 A HIS 63 -135.87 -70.33 16 A SER 64 -131.85 -52.80 16 A THR 65 -132.30 -40.52 16 A LYS 72 -146.03 -66.10 16 A SER 85 -90.18 -78.00 16 A LYS 86 -170.22 32.14 16 A ILE 87 -89.64 49.22 16 A ALA 88 -90.76 44.99 16 A SER 91 52.81 81.23 17 A ASP 3 -167.64 -160.08 17 A TYR 7 -61.48 -169.36 17 A GLN 13 -90.33 48.70 17 A LYS 14 -157.95 58.84 17 A ASP 17 -103.26 -72.33 17 A SER 18 -102.30 -158.25 17 A SER 20 -170.54 -168.99 17 A THR 21 -160.57 118.16 17 A LEU 25 -105.77 -83.71 17 A HIS 27 -167.18 -40.42 17 A GLU 43 -168.80 -66.46 17 A VAL 45 43.85 -168.61 17 A LEU 46 52.47 -88.75 17 A GLU 48 -97.25 30.56 17 A ASP 53 53.35 -179.17 17 A ALA 54 -168.15 -158.94 17 A ASN 57 -168.49 46.22 17 A VAL 61 -61.19 -169.40 17 A ASP 66 -164.43 75.36 17 A GLU 69 53.45 98.98 17 A LYS 72 -158.70 -68.16 17 A GLU 78 -126.56 -167.71 17 A SER 85 -79.80 -149.00 17 A LYS 86 -110.55 -92.62 17 A ILE 87 -136.67 -45.58 17 A ALA 88 -60.76 96.15 17 A LYS 89 -168.36 62.44 17 A SER 91 -168.59 -158.60 17 A THR 93 -147.82 26.96 18 A LYS 2 55.52 -86.66 18 A ASP 3 52.80 -164.04 18 A TYR 7 -75.64 -168.53 18 A LYS 16 -159.62 -42.42 18 A ASP 17 -169.04 -37.59 18 A SER 18 -50.32 100.95 18 A LYS 19 62.03 136.20 18 A SER 20 51.04 -173.40 18 A HIS 26 57.80 17.00 18 A HIS 27 -177.34 -62.31 18 A PRO 40 -52.58 102.41 18 A GLU 48 53.65 -179.60 18 A GLU 59 52.79 -166.10 18 A SER 64 -166.15 106.22 18 A THR 65 -107.72 50.71 18 A ASP 66 -107.32 -163.80 18 A ARG 68 -169.70 -36.85 18 A LYS 72 -168.88 -41.57 18 A TYR 74 -90.76 48.14 18 A GLU 78 -126.44 -167.21 18 A ARG 84 -51.08 175.84 18 A SER 85 -56.16 90.53 18 A LYS 86 56.38 88.99 18 A ILE 87 -114.49 61.43 18 A PRO 90 -52.91 -176.02 18 A SER 91 -103.30 51.74 18 A GLU 92 56.53 -85.99 19 A LYS 2 -167.75 109.59 19 A ASP 3 49.56 -165.06 19 A LYS 5 -107.12 -167.90 19 A TYR 7 -61.40 -164.27 19 A ASP 17 -168.15 -66.28 19 A LYS 19 66.56 -66.78 19 A SER 20 -67.37 -177.98 19 A LEU 25 -123.77 -79.73 19 A HIS 26 -108.41 78.05 19 A LEU 32 -95.56 31.06 19 A PRO 40 -53.14 91.77 19 A GLU 43 56.55 -85.77 19 A LEU 46 -61.62 -70.62 19 A GLN 49 53.67 100.11 19 A ALA 50 53.53 96.36 19 A ASP 53 -162.85 74.36 19 A ALA 54 -148.37 -49.69 19 A GLU 56 -143.41 43.28 19 A GLU 59 52.10 80.67 19 A VAL 61 36.73 35.16 19 A SER 64 57.52 -84.71 19 A ASP 66 52.63 93.76 19 A LYS 72 -169.42 -39.58 19 A SER 85 -71.88 -148.61 19 A LYS 86 -122.66 -95.13 20 A VAL 4 53.99 103.71 20 A TYR 7 -76.07 -164.05 20 A ASP 17 -79.89 -156.60 20 A SER 18 52.75 -176.22 20 A LEU 25 -104.81 63.51 20 A HIS 26 39.18 29.03 20 A HIS 27 -177.83 -67.14 20 A GLU 43 -145.88 -82.85 20 A GLU 44 -100.31 72.60 20 A GLN 49 52.80 -165.79 20 A ASP 53 -149.70 -73.13 20 A ALA 54 52.62 97.84 20 A HIS 63 -168.40 42.34 20 A SER 64 -168.28 31.73 20 A THR 65 49.39 98.98 20 A ASP 66 60.20 -81.43 20 A ARG 68 -168.28 -40.18 20 A GLU 69 -66.78 79.73 20 A SER 71 -69.48 73.93 20 A LYS 72 -167.64 -45.96 20 A SER 85 -90.31 -92.72 20 A LYS 86 -175.54 59.16 20 A PRO 90 -52.29 175.85 20 A SER 91 53.67 179.98 20 A GLU 92 52.57 98.06 20 A THR 93 -158.56 41.94 SOLUTION STRUCTURE OF THE WATER-SOLUBLE FRAGMENT OF RAT HEPATIC APOCYTOCHROME B5 1 N N A THR 8 A THR 12 HELX_P A GLN 13 A GLN 17 1 1 6 A LEU 32 A LEU 36 HELX_P A GLU 37 A GLU 41 1 2 6 ELECTRON TRANSPORT apo hemoprotein, ELECTRON TRANSPORT CYB5_RAT UNP 1 1 P00173 AEQSDKDVKYYTLEEIQKHKDSKSTWVILHHKVYDLTKFLEEHPGGEEVLREQAGGDATENFEDVGHSTDARELSKTYII GELHPDDRSKIAKPSETL 1 98 1I87 -3 94 P00173 A 1 1 98 4 parallel anti-parallel anti-parallel A TYR 6 A TYR 10 A TYR 7 A TYR 11 A GLY 77 A GLY 81 A LEU 79 A LEU 83 A LYS 28 A LYS 32 A ASP 31 A ASP 35 A TRP 22 A TRP 26 A ILE 24 A ILE 28 1 P 1