1.000000 0.000000 0.000000 0.000000 1.000000 0.000000 0.000000 0.000000 1.000000 0.00000 0.00000 0.00000 Wu, H. Zang, Q. http://mmcif.pdb.org/dictionaries/ascii/mmcif_pdbx.dic 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 C34 H32 Fe N4 O4 616.487 PROTOPORPHYRIN IX CONTAINING FE HEME non-polymer 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 Protein Sci. PRCIEI 0795 0961-8368 13 2161 2169 10.1110/ps.04721104 15273310 The comparative study on the solution structures of the oxidized bovine microsomal cytochrome b5 and mutant V45H 2004 10.2210/pdb1nx7/pdb pdb_00001nx7 Chirality error at the CA center of ALA A 3 1.000000 0.000000 0.000000 0.000000 1.000000 0.000000 0.000000 0.000000 1.000000 0.00000 0.00000 0.00000 1 SINGLE WAVELENGTH M 1 1.0 9475.380 Cytochrome B5 RESIDUES 3-84 1 man polymer 616.487 PROTOPORPHYRIN IX CONTAINING FE 1 syn non-polymer no no AVKYYTLEEIQKHNNSKSTWLILHYKVYDLTKFLEEHPGGEEVLREQAGGDATENFEDVGHSTDARELSKTFIIGELHPD DR AVKYYTLEEIQKHNNSKSTWLILHYKVYDLTKFLEEHPGGEEVLREQAGGDATENFEDVGHSTDARELSKTFIIGELHPD DR 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 cattle Bos Escherichia sample 9913 Bos taurus 562 Escherichia coli JM83 plasmid pUC19 database_2 pdbx_nmr_software pdbx_struct_assembly pdbx_struct_oper_list struct_conn struct_site repository Initial release Version format compliance Version format compliance Data collection Database references Derived calculations 1 0 2004-06-15 1 1 2008-04-29 1 2 2011-07-13 1 3 2022-02-23 _database_2.pdbx_DOI _database_2.pdbx_database_accession _pdbx_nmr_software.name _struct_conn.ptnr1_auth_comp_id _struct_conn.ptnr1_auth_seq_id _struct_conn.ptnr1_label_asym_id _struct_conn.ptnr1_label_atom_id _struct_conn.ptnr1_label_comp_id _struct_conn.ptnr1_label_seq_id _struct_conn.ptnr2_auth_comp_id _struct_conn.ptnr2_auth_seq_id _struct_conn.ptnr2_label_asym_id _struct_conn.ptnr2_label_atom_id _struct_conn.ptnr2_label_comp_id _struct_conn.ptnr2_label_seq_id _struct_site.pdbx_auth_asym_id _struct_site.pdbx_auth_comp_id _struct_site.pdbx_auth_seq_id RCSB Y PDBJ 2003-02-10 REL HEM PROTOPORPHYRIN IX CONTAINING FE 30 2D TOCSY, DQF-COSY 2D TOCSY, DQF-COSY 2D TOCSY, DQF-COSY 25mM Phosphate buffer 7.00 1 atm 300 K 25mM Phosphate buffer 7.00 1 atm 298 K the structure are based on a total of 1698 restrains, 1489 are NOE-derived distance constraints and 209 pseudocontact shift constraints distance geomitry 3.0mM 90% H2O/10% D2O 3.0mM 100% D2O Peter Guntert structure solution DYANA 1.5 Mike Carlisle collection VNMR 6.1b Tai-he Xia and Chrisrian Bartel data analysis XEASY 1994 Peter Kollman refinement Amber 6.0 600 Varian INOVA HEM 201 2 HEM HEM 201 A ALA 3 n 1 ALA 3 A VAL 4 n 2 VAL 4 A LYS 5 n 3 LYS 5 A TYR 6 n 4 TYR 6 A TYR 7 n 5 TYR 7 A THR 8 n 6 THR 8 A LEU 9 n 7 LEU 9 A GLU 10 n 8 GLU 10 A GLU 11 n 9 GLU 11 A ILE 12 n 10 ILE 12 A GLN 13 n 11 GLN 13 A LYS 14 n 12 LYS 14 A HIS 15 n 13 HIS 15 A ASN 16 n 14 ASN 16 A ASN 17 n 15 ASN 17 A SER 18 n 16 SER 18 A LYS 19 n 17 LYS 19 A SER 20 n 18 SER 20 A THR 21 n 19 THR 21 A TRP 22 n 20 TRP 22 A LEU 23 n 21 LEU 23 A ILE 24 n 22 ILE 24 A LEU 25 n 23 LEU 25 A HIS 26 n 24 HIS 26 A TYR 27 n 25 TYR 27 A LYS 28 n 26 LYS 28 A VAL 29 n 27 VAL 29 A TYR 30 n 28 TYR 30 A ASP 31 n 29 ASP 31 A LEU 32 n 30 LEU 32 A THR 33 n 31 THR 33 A LYS 34 n 32 LYS 34 A PHE 35 n 33 PHE 35 A LEU 36 n 34 LEU 36 A GLU 37 n 35 GLU 37 A GLU 38 n 36 GLU 38 A HIS 39 n 37 HIS 39 A PRO 40 n 38 PRO 40 A GLY 41 n 39 GLY 41 A GLY 42 n 40 GLY 42 A GLU 43 n 41 GLU 43 A GLU 44 n 42 GLU 44 A VAL 45 n 43 VAL 45 A LEU 46 n 44 LEU 46 A ARG 47 n 45 ARG 47 A GLU 48 n 46 GLU 48 A GLN 49 n 47 GLN 49 A ALA 50 n 48 ALA 50 A GLY 51 n 49 GLY 51 A GLY 52 n 50 GLY 52 A ASP 53 n 51 ASP 53 A ALA 54 n 52 ALA 54 A THR 55 n 53 THR 55 A GLU 56 n 54 GLU 56 A ASN 57 n 55 ASN 57 A PHE 58 n 56 PHE 58 A GLU 59 n 57 GLU 59 A ASP 60 n 58 ASP 60 A VAL 61 n 59 VAL 61 A GLY 62 n 60 GLY 62 A HIS 63 n 61 HIS 63 A SER 64 n 62 SER 64 A THR 65 n 63 THR 65 A ASP 66 n 64 ASP 66 A ALA 67 n 65 ALA 67 A ARG 68 n 66 ARG 68 A GLU 69 n 67 GLU 69 A LEU 70 n 68 LEU 70 A SER 71 n 69 SER 71 A LYS 72 n 70 LYS 72 A THR 73 n 71 THR 73 A PHE 74 n 72 PHE 74 A ILE 75 n 73 ILE 75 A ILE 76 n 74 ILE 76 A GLY 77 n 75 GLY 77 A GLU 78 n 76 GLU 78 A LEU 79 n 77 LEU 79 A HIS 80 n 78 HIS 80 A PRO 81 n 79 PRO 81 A ASP 82 n 80 ASP 82 A ASP 83 n 81 ASP 83 A ARG 84 n 82 ARG 84 A author_defined_assembly 1 monomeric A HIS 39 A NE2 HIS 37 1_555 A HEM 201 B FE HEM 1_555 A HEM 201 B NA HEM 1_555 91.3 A HIS 39 A NE2 HIS 37 1_555 A HEM 201 B FE HEM 1_555 A HEM 201 B NB HEM 1_555 92.1 A HEM 201 B NA HEM 1_555 A HEM 201 B FE HEM 1_555 A HEM 201 B NB HEM 1_555 90.2 A HIS 39 A NE2 HIS 37 1_555 A HEM 201 B FE HEM 1_555 A HEM 201 B NC HEM 1_555 89.6 A HEM 201 B NA HEM 1_555 A HEM 201 B FE HEM 1_555 A HEM 201 B NC HEM 1_555 179.0 A HEM 201 B NB HEM 1_555 A HEM 201 B FE HEM 1_555 A HEM 201 B NC HEM 1_555 89.3 A HIS 39 A NE2 HIS 37 1_555 A HEM 201 B FE HEM 1_555 A HEM 201 B ND HEM 1_555 88.1 A HEM 201 B NA HEM 1_555 A HEM 201 B FE HEM 1_555 A HEM 201 B ND HEM 1_555 91.3 A HEM 201 B NB HEM 1_555 A HEM 201 B FE HEM 1_555 A HEM 201 B ND HEM 1_555 178.5 A HEM 201 B NC HEM 1_555 A HEM 201 B FE HEM 1_555 A HEM 201 B ND HEM 1_555 89.2 A HIS 39 A NE2 HIS 37 1_555 A HEM 201 B FE HEM 1_555 A HIS 63 A NE2 HIS 61 1_555 176.2 A HEM 201 B NA HEM 1_555 A HEM 201 B FE HEM 1_555 A HIS 63 A NE2 HIS 61 1_555 89.6 A HEM 201 B NB HEM 1_555 A HEM 201 B FE HEM 1_555 A HIS 63 A NE2 HIS 61 1_555 91.6 A HEM 201 B NC HEM 1_555 A HEM 201 B FE HEM 1_555 A HIS 63 A NE2 HIS 61 1_555 89.5 A HEM 201 B ND HEM 1_555 A HEM 201 B FE HEM 1_555 A HIS 63 A NE2 HIS 61 1_555 88.2 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 5 A O GLU 78 A O GLU 76 A O ILE 76 A O ILE 74 A N VAL 29 A N VAL 27 A O TYR 30 A O TYR 28 A N LEU 23 A N LEU 21 A N ILE 24 A N ILE 22 A O GLY 52 A O GLY 50 1 A C ARG 84 A C ARG 82 1 Y 1 A O ARG 84 A O ARG 82 1 Y 2 A C ARG 84 A C ARG 82 1 Y 2 A O ARG 84 A O ARG 82 1 Y 3 A C ARG 84 A C ARG 82 1 Y 3 A O ARG 84 A O ARG 82 1 Y 4 A C ARG 84 A C ARG 82 1 Y 4 A O ARG 84 A O ARG 82 1 Y 5 A C ARG 84 A C ARG 82 1 Y 5 A O ARG 84 A O ARG 82 1 Y 6 A C ARG 84 A C ARG 82 1 Y 6 A O ARG 84 A O ARG 82 1 Y 7 A C ARG 84 A C ARG 82 1 Y 7 A O ARG 84 A O ARG 82 1 Y 8 A C ARG 84 A C ARG 82 1 Y 8 A O ARG 84 A O ARG 82 1 Y 9 A C ARG 84 A C ARG 82 1 Y 9 A O ARG 84 A O ARG 82 1 Y 10 A C ARG 84 A C ARG 82 1 Y 10 A O ARG 84 A O ARG 82 1 Y 11 A C ARG 84 A C ARG 82 1 Y 11 A O ARG 84 A O ARG 82 1 Y 12 A C ARG 84 A C ARG 82 1 Y 12 A O ARG 84 A O ARG 82 1 Y 13 A C ARG 84 A C ARG 82 1 Y 13 A O ARG 84 A O ARG 82 1 Y 14 A C ARG 84 A C ARG 82 1 Y 14 A O ARG 84 A O ARG 82 1 Y 15 A C ARG 84 A C ARG 82 1 Y 15 A O ARG 84 A O ARG 82 1 Y 16 A C ARG 84 A C ARG 82 1 Y 16 A O ARG 84 A O ARG 82 1 Y 17 A C ARG 84 A C ARG 82 1 Y 17 A O ARG 84 A O ARG 82 1 Y 18 A C ARG 84 A C ARG 82 1 Y 18 A O ARG 84 A O ARG 82 1 Y 19 A C ARG 84 A C ARG 82 1 Y 19 A O ARG 84 A O ARG 82 1 Y 20 A C ARG 84 A C ARG 82 1 Y 20 A O ARG 84 A O ARG 82 1 Y 21 A C ARG 84 A C ARG 82 1 Y 21 A O ARG 84 A O ARG 82 1 Y 22 A C ARG 84 A C ARG 82 1 Y 22 A O ARG 84 A O ARG 82 1 Y 23 A C ARG 84 A C ARG 82 1 Y 23 A O ARG 84 A O ARG 82 1 Y 24 A C ARG 84 A C ARG 82 1 Y 24 A O ARG 84 A O ARG 82 1 Y 25 A C ARG 84 A C ARG 82 1 Y 25 A O ARG 84 A O ARG 82 1 Y 26 A C ARG 84 A C ARG 82 1 Y 26 A O ARG 84 A O ARG 82 1 Y 27 A C ARG 84 A C ARG 82 1 Y 27 A O ARG 84 A O ARG 82 1 Y 28 A C ARG 84 A C ARG 82 1 Y 28 A O ARG 84 A O ARG 82 1 Y 29 A C ARG 84 A C ARG 82 1 Y 29 A O ARG 84 A O ARG 82 1 Y 30 A C ARG 84 A C ARG 82 1 Y 30 A O ARG 84 A O ARG 82 1 Y 5 A CA ALA 3 WRONG HAND 8 A CA ALA 3 WRONG HAND 14 A CA ALA 3 WRONG HAND 15 A CA ALA 3 WRONG HAND 18 A CA ALA 3 WRONG HAND 19 A CA ALA 3 WRONG HAND 20 A CA ALA 3 WRONG HAND 26 A CA ALA 3 WRONG HAND 27 A CA ALA 3 WRONG HAND 29 A CA ALA 3 WRONG HAND 1 A TYR 7 0.119 SIDE CHAIN 1 A ARG 84 0.126 SIDE CHAIN 2 A TYR 6 0.127 SIDE CHAIN 2 A TYR 7 0.067 SIDE CHAIN 2 A TYR 27 0.107 SIDE CHAIN 2 A ARG 47 0.110 SIDE CHAIN 3 A TYR 6 0.167 SIDE CHAIN 3 A TYR 7 0.089 SIDE CHAIN 3 A TYR 30 0.094 SIDE CHAIN 3 A PHE 58 0.104 SIDE CHAIN 4 A TYR 7 0.100 SIDE CHAIN 4 A TYR 27 0.109 SIDE CHAIN 4 A PHE 58 0.127 SIDE CHAIN 4 A ARG 68 0.082 SIDE CHAIN 4 A ARG 84 0.110 SIDE CHAIN 5 A TYR 7 0.119 SIDE CHAIN 5 A TYR 27 0.087 SIDE CHAIN 5 A PHE 58 0.135 SIDE CHAIN 5 A ARG 68 0.093 SIDE CHAIN 6 A TYR 7 0.091 SIDE CHAIN 6 A TYR 30 0.127 SIDE CHAIN 7 A TYR 7 0.092 SIDE CHAIN 7 A TYR 27 0.142 SIDE CHAIN 7 A TYR 30 0.088 SIDE CHAIN 7 A ARG 47 0.131 SIDE CHAIN 7 A PHE 58 0.151 SIDE CHAIN 8 A TYR 7 0.102 SIDE CHAIN 8 A TYR 30 0.099 SIDE CHAIN 8 A PHE 58 0.078 SIDE CHAIN 8 A ARG 84 0.078 SIDE CHAIN 9 A TYR 7 0.088 SIDE CHAIN 9 A TYR 27 0.080 SIDE CHAIN 9 A TYR 30 0.088 SIDE CHAIN 9 A PHE 58 0.109 SIDE CHAIN 10 A TYR 6 0.142 SIDE CHAIN 10 A TYR 7 0.090 SIDE CHAIN 10 A TYR 27 0.124 SIDE CHAIN 10 A ARG 68 0.111 SIDE CHAIN 10 A ARG 84 0.140 SIDE CHAIN 11 A TYR 7 0.093 SIDE CHAIN 11 A TYR 30 0.126 SIDE CHAIN 11 A PHE 58 0.141 SIDE CHAIN 12 A TYR 6 0.111 SIDE CHAIN 12 A TYR 7 0.105 SIDE CHAIN 12 A TYR 27 0.077 SIDE CHAIN 12 A PHE 58 0.104 SIDE CHAIN 12 A ARG 84 0.103 SIDE CHAIN 13 A TYR 6 0.146 SIDE CHAIN 13 A TYR 7 0.098 SIDE CHAIN 13 A TYR 27 0.093 SIDE CHAIN 13 A PHE 58 0.167 SIDE CHAIN 13 A ARG 68 0.093 SIDE CHAIN 14 A TYR 27 0.082 SIDE CHAIN 14 A ARG 47 0.081 SIDE CHAIN 15 A TYR 6 0.150 SIDE CHAIN 15 A TYR 7 0.099 SIDE CHAIN 15 A TYR 27 0.114 SIDE CHAIN 15 A PHE 58 0.118 SIDE CHAIN 16 A TYR 27 0.077 SIDE CHAIN 17 A TYR 7 0.102 SIDE CHAIN 17 A TYR 27 0.099 SIDE CHAIN 17 A PHE 58 0.125 SIDE CHAIN 18 A TYR 7 0.065 SIDE CHAIN 18 A TYR 27 0.102 SIDE CHAIN 18 A TYR 30 0.120 SIDE CHAIN 18 A ARG 84 0.078 SIDE CHAIN 19 A TYR 7 0.078 SIDE CHAIN 19 A TYR 27 0.100 SIDE CHAIN 19 A TYR 30 0.150 SIDE CHAIN 19 A PHE 58 0.206 SIDE CHAIN 19 A ARG 68 0.084 SIDE CHAIN 19 A ARG 84 0.079 SIDE CHAIN 20 A TYR 6 0.138 SIDE CHAIN 20 A TYR 27 0.108 SIDE CHAIN 20 A PHE 58 0.101 SIDE CHAIN 20 A ARG 84 0.112 SIDE CHAIN 21 A TYR 7 0.102 SIDE CHAIN 21 A ARG 84 0.148 SIDE CHAIN 22 A TYR 27 0.102 SIDE CHAIN 22 A PHE 58 0.167 SIDE CHAIN 23 A TYR 6 0.111 SIDE CHAIN 23 A TYR 7 0.104 SIDE CHAIN 23 A TYR 27 0.128 SIDE CHAIN 23 A TYR 30 0.103 SIDE CHAIN 23 A ARG 47 0.120 SIDE CHAIN 23 A PHE 58 0.170 SIDE CHAIN 24 A TYR 6 0.116 SIDE CHAIN 24 A TYR 7 0.088 SIDE CHAIN 24 A TYR 27 0.140 SIDE CHAIN 24 A PHE 58 0.106 SIDE CHAIN 25 A TYR 7 0.088 SIDE CHAIN 25 A TYR 27 0.089 SIDE CHAIN 25 A TYR 30 0.086 SIDE CHAIN 25 A PHE 58 0.133 SIDE CHAIN 25 A ARG 68 0.081 SIDE CHAIN 26 A TYR 7 0.087 SIDE CHAIN 26 A TYR 27 0.080 SIDE CHAIN 27 A TYR 27 0.104 SIDE CHAIN 27 A TYR 30 0.078 SIDE CHAIN 27 A PHE 58 0.152 SIDE CHAIN 27 A ARG 84 0.083 SIDE CHAIN 28 A TYR 7 0.173 SIDE CHAIN 28 A TYR 30 0.084 SIDE CHAIN 28 A PHE 58 0.154 SIDE CHAIN 29 A TYR 7 0.097 SIDE CHAIN 29 A TYR 27 0.090 SIDE CHAIN 29 A PHE 58 0.084 SIDE CHAIN 30 A TYR 6 0.109 SIDE CHAIN 30 A TYR 7 0.097 SIDE CHAIN 30 A TYR 27 0.160 SIDE CHAIN 30 A TYR 30 0.084 SIDE CHAIN 1 -13.19 1.80 110.60 97.41 A A A N CA CB ASN ASN ASN 16 16 16 N 1 3.03 0.50 120.30 123.33 A A A NE CZ NH1 ARG ARG ARG 84 84 84 N 1 -4.00 0.50 120.30 116.30 A A A NE CZ NH2 ARG ARG ARG 84 84 84 N 3 -11.53 1.80 110.60 99.07 A A A N CA CB ASN ASN ASN 16 16 16 N 4 3.46 0.50 120.30 123.76 A A A NE CZ NH1 ARG ARG ARG 68 68 68 N 5 -11.18 1.80 110.60 99.42 A A A N CA CB ASN ASN ASN 16 16 16 N 5 3.62 0.50 120.30 123.92 A A A NE CZ NH1 ARG ARG ARG 68 68 68 N 6 -4.45 0.60 121.00 116.55 A A A CB CG CD2 TYR TYR TYR 27 27 27 N 9 -11.42 1.80 110.60 99.18 A A A N CA CB ASN ASN ASN 16 16 16 N 10 -11.16 1.80 110.60 99.44 A A A N CA CB ASN ASN ASN 16 16 16 N 10 3.28 0.50 120.30 123.58 A A A NE CZ NH1 ARG ARG ARG 68 68 68 N 12 3.18 0.50 120.30 123.48 A A A NE CZ NH1 ARG ARG ARG 68 68 68 N 13 -11.46 1.80 110.60 99.14 A A A N CA CB ASN ASN ASN 16 16 16 N 14 3.47 0.50 120.30 123.77 A A A NE CZ NH1 ARG ARG ARG 47 47 47 N 16 11.18 1.70 111.00 122.18 A A A CB CG CD2 LEU LEU LEU 25 25 25 N 17 -11.94 1.80 110.60 98.66 A A A N CA CB ASN ASN ASN 16 16 16 N 18 -11.53 1.80 110.60 99.07 A A A N CA CB ASN ASN ASN 16 16 16 N 19 -11.75 1.80 110.60 98.85 A A A N CA CB ASN ASN ASN 16 16 16 N 20 10.23 1.70 111.00 121.23 A A A CB CG CD1 LEU LEU LEU 25 25 25 N 20 3.80 0.50 120.30 124.10 A A A NE CZ NH1 ARG ARG ARG 84 84 84 N 21 10.81 1.70 111.00 121.81 A A A CB CG CD1 LEU LEU LEU 25 25 25 N 21 3.33 0.50 120.30 123.63 A A A NE CZ NH1 ARG ARG ARG 68 68 68 N 21 -4.30 0.50 120.30 116.00 A A A NE CZ NH2 ARG ARG ARG 68 68 68 N 23 3.21 0.50 120.30 123.51 A A A NE CZ NH1 ARG ARG ARG 68 68 68 N 24 -11.55 1.80 110.60 99.05 A A A N CA CB ASN ASN ASN 16 16 16 N 25 -10.99 1.80 110.60 99.61 A A A N CA CB ASN ASN ASN 16 16 16 N 26 3.27 0.50 120.30 123.57 A A A NE CZ NH1 ARG ARG ARG 47 47 47 N 28 3.06 0.50 120.30 123.36 A A A NE CZ NH1 ARG ARG ARG 68 68 68 N 29 4.47 0.50 120.30 124.77 A A A NE CZ NH1 ARG ARG ARG 68 68 68 N 30 -11.53 1.80 110.60 99.07 A A A N CA CB ASN ASN ASN 16 16 16 N 30 3.19 0.50 120.30 123.49 A A A NE CZ NH1 ARG ARG ARG 47 47 47 N 1 A SER 20 -40.54 94.72 1 A HIS 26 63.50 69.61 1 A TYR 27 68.11 -27.24 1 A LEU 36 -28.47 -55.58 1 A GLU 56 -37.03 -75.10 1 A HIS 63 64.09 -110.66 1 A PRO 81 -58.22 -9.28 2 A HIS 15 -110.36 69.45 2 A ASN 16 -162.50 7.98 2 A SER 18 -171.16 -65.58 2 A HIS 26 60.11 76.32 2 A TYR 27 75.99 -38.80 2 A HIS 80 -37.72 131.33 2 A PRO 81 -64.27 1.67 3 A ASN 16 -162.46 11.19 3 A SER 18 -173.19 -63.48 3 A SER 20 -52.24 106.62 3 A HIS 26 60.64 78.76 3 A TYR 27 48.31 24.48 3 A HIS 63 -147.29 -83.91 3 A HIS 80 -36.46 134.23 3 A PRO 81 -56.51 -5.50 4 A HIS 15 -109.05 70.74 4 A ASN 16 -159.09 30.96 4 A SER 18 55.22 -74.06 4 A SER 20 -43.70 100.05 4 A TYR 27 67.42 -26.87 4 A GLU 56 -37.79 -72.51 4 A HIS 63 -35.86 130.62 4 A HIS 80 -39.01 138.05 5 A ASN 16 -152.80 25.99 5 A LYS 19 168.59 -71.63 5 A HIS 26 60.04 72.72 5 A TYR 27 74.30 -31.42 5 A VAL 61 -88.13 44.28 5 A PRO 81 -63.50 2.34 6 A HIS 15 -100.60 77.63 6 A ASN 16 -155.13 21.70 6 A LYS 19 -129.84 -52.67 6 A TYR 27 67.33 -24.86 6 A ASP 31 -94.46 57.28 6 A LEU 32 -68.67 9.41 6 A GLU 56 -36.62 -72.08 6 A HIS 80 -37.58 130.79 7 A HIS 15 -100.56 59.18 7 A ASN 17 -148.33 -104.39 7 A SER 18 -65.73 -72.26 7 A SER 20 -40.67 108.51 7 A HIS 26 73.50 62.11 7 A TYR 27 66.22 -25.30 7 A LEU 32 -69.59 8.31 7 A ASP 60 -24.61 -70.44 7 A PRO 81 -59.07 -8.81 8 A ASN 16 -142.88 30.34 8 A SER 20 -160.11 95.43 8 A HIS 26 56.88 76.68 8 A TYR 27 61.92 -28.57 8 A LEU 32 -103.74 53.66 8 A HIS 80 -36.22 133.76 8 A PRO 81 -62.38 2.23 9 A ASN 16 -146.27 19.15 9 A SER 20 -176.65 122.33 9 A HIS 26 61.54 70.41 9 A TYR 27 74.85 -32.64 9 A GLU 56 -37.19 -72.36 9 A PRO 81 -59.66 -6.37 10 A ASN 16 -161.87 27.80 10 A SER 18 60.30 -67.59 10 A SER 20 -47.81 101.00 10 A HIS 26 56.15 76.77 10 A TYR 27 66.52 -28.73 10 A THR 33 -25.24 -50.63 10 A LEU 36 -22.19 -59.45 10 A VAL 61 -100.92 51.54 10 A HIS 63 -38.93 -74.53 10 A PRO 81 -59.36 -8.34 11 A ASN 16 -165.10 4.52 11 A SER 18 -165.63 -56.78 11 A TYR 27 68.35 -28.62 11 A ASP 31 -93.14 51.42 11 A LEU 32 -68.72 9.09 11 A LEU 79 -58.08 107.53 11 A HIS 80 -32.09 136.58 12 A HIS 15 -112.04 56.77 12 A ASN 17 -128.67 -64.51 12 A SER 18 -164.25 -46.39 12 A LYS 19 -94.42 -61.18 12 A SER 20 -53.29 104.47 12 A TYR 27 66.34 -26.52 12 A LEU 32 -68.64 9.02 12 A LEU 36 -25.79 -58.98 12 A HIS 63 73.09 128.46 12 A HIS 80 -38.56 133.38 12 A PRO 81 -57.50 -7.29 13 A ASN 16 -159.79 31.47 13 A ASN 17 -108.56 -169.98 13 A SER 18 -68.54 73.80 13 A LYS 19 132.74 -59.48 13 A SER 20 -49.65 99.58 13 A HIS 26 59.83 75.54 13 A TYR 27 74.80 -35.07 13 A LEU 32 -81.78 48.39 13 A LEU 36 -29.97 -54.81 13 A GLU 56 -33.59 -72.51 13 A VAL 61 -91.65 38.39 14 A ASN 16 -155.77 30.57 14 A LYS 19 -95.08 -64.17 14 A HIS 26 59.13 72.90 14 A TYR 27 75.47 -33.92 15 A ASN 16 -156.35 41.45 15 A ASN 17 -76.24 -78.62 15 A SER 18 -110.81 -80.00 15 A THR 21 -162.61 110.68 15 A HIS 26 54.45 74.08 15 A TYR 27 75.65 -36.92 15 A LEU 32 -69.20 10.12 15 A LEU 36 -29.43 -56.16 15 A PRO 81 -67.87 18.65 16 A ASN 16 -143.40 30.49 16 A TYR 27 67.50 -29.61 16 A ASP 31 -102.99 58.37 16 A HIS 63 67.47 138.92 17 A ASN 16 -159.69 28.28 17 A LYS 19 -124.34 -55.33 17 A SER 20 -40.55 102.46 17 A HIS 26 69.76 65.94 17 A TYR 27 75.78 -33.81 17 A THR 33 -27.51 -48.15 17 A GLU 56 -35.70 -73.77 17 A SER 64 -45.11 153.19 17 A PRO 81 -62.53 4.87 18 A ASN 16 -159.37 29.50 18 A ASN 17 -86.03 -146.32 18 A SER 20 -44.08 104.39 18 A HIS 26 46.87 78.97 18 A TYR 27 77.59 -38.64 19 A ASN 16 -145.08 17.11 19 A SER 20 -178.88 109.17 19 A TYR 27 67.73 -24.26 19 A LEU 32 -69.68 14.06 19 A GLU 56 -35.52 -72.39 19 A VAL 61 -86.60 44.33 19 A SER 71 -37.07 -39.58 19 A HIS 80 -34.71 135.55 20 A TYR 27 71.20 -26.11 20 A LEU 32 -83.20 41.66 20 A GLU 56 -37.03 -73.92 20 A HIS 80 -36.25 132.27 20 A PRO 81 -58.29 11.78 20 A ASP 82 -136.86 -34.87 21 A HIS 15 -112.88 74.84 21 A ASN 16 -162.21 15.95 21 A SER 18 66.80 -59.90 21 A LYS 19 -153.88 -41.06 21 A SER 20 -38.22 116.63 21 A TYR 27 67.93 -25.91 21 A HIS 63 70.41 158.31 21 A HIS 80 -39.54 137.20 21 A PRO 81 -58.40 -6.16 22 A TYR 27 54.17 11.47 22 A LEU 32 -107.29 49.77 22 A HIS 63 67.93 156.30 22 A HIS 80 -39.67 135.43 23 A HIS 15 -109.50 60.09 23 A ASN 16 -156.28 89.97 23 A ASN 17 -149.21 -99.04 23 A SER 18 -73.71 -80.56 23 A HIS 26 72.76 66.20 23 A TYR 27 66.25 -29.46 23 A LEU 32 -69.28 8.89 23 A LEU 36 -27.02 -58.29 23 A GLU 56 -33.70 -73.22 23 A VAL 61 -102.04 49.14 23 A HIS 80 -36.09 137.63 23 A PRO 81 -59.74 -7.58 24 A ASN 16 -159.02 28.85 24 A LYS 19 -84.24 -71.43 24 A HIS 26 69.93 68.10 24 A TYR 27 74.30 -35.69 24 A LYS 34 -98.67 31.23 24 A LEU 36 -28.37 -57.80 24 A HIS 63 72.23 141.58 24 A HIS 80 -34.41 129.40 24 A PRO 81 -65.23 9.20 25 A ASN 16 -146.48 39.92 25 A LYS 19 167.63 -40.61 25 A HIS 26 71.74 69.61 25 A TYR 27 72.73 -29.56 25 A HIS 63 68.09 131.03 26 A TYR 6 -59.80 107.80 26 A ASN 16 -140.67 -16.15 26 A SER 18 -61.58 71.13 26 A LYS 19 175.17 -43.82 26 A HIS 26 60.17 70.40 26 A TYR 27 74.98 -32.82 26 A LEU 32 -106.20 52.52 26 A PRO 81 -63.24 0.89 27 A ASN 16 -146.00 -27.05 27 A SER 18 -60.68 70.64 27 A LYS 19 177.48 -47.70 27 A HIS 26 65.08 70.13 27 A TYR 27 64.01 -23.68 27 A LEU 32 -105.43 46.15 27 A HIS 63 -10.52 -86.08 27 A HIS 80 -39.86 134.12 28 A ASN 16 -144.18 44.00 28 A SER 20 -162.90 92.10 28 A HIS 26 63.09 68.79 28 A TYR 27 67.34 -28.37 28 A LEU 32 -103.99 43.15 28 A GLU 56 -36.42 -73.54 28 A PRO 81 -66.32 7.81 29 A HIS 15 -100.15 57.44 29 A SER 18 -164.31 -104.45 29 A SER 20 -60.27 96.98 29 A HIS 26 73.17 70.70 29 A TYR 27 75.73 -33.46 29 A LEU 36 -29.49 -57.50 29 A VAL 61 -97.26 44.90 29 A PRO 81 -60.86 4.99 30 A ASN 16 -155.14 20.82 30 A LYS 19 -92.49 -64.25 30 A HIS 26 80.08 61.69 30 A TYR 27 65.50 -28.98 30 A GLU 56 -36.57 -71.02 30 A PRO 81 -58.35 -9.02 Solution Structure of Oxidized Bovine Microsomal Cytochrome B5 1 N N 2 N N A THR 8 A THR 6 HELX_P A LYS 14 A LYS 12 1 1 7 A LYS 34 A LYS 32 HELX_P A HIS 39 A HIS 37 1 2 6 A GLU 43 A GLU 41 HELX_P A GLN 49 A GLN 47 1 3 7 A ALA 54 A ALA 52 HELX_P A GLY 62 A GLY 60 1 4 9 A SER 64 A SER 62 HELX_P A LYS 72 A LYS 70 1 5 9 metalc 1.987 A HIS 39 A NE2 HIS 37 1_555 A HEM 201 B FE HEM 1_555 metalc 1.998 A HIS 63 A NE2 HIS 61 1_555 A HEM 201 B FE HEM 1_555 ELECTRON TRANSPORT FIVE HELIX, FIVE SHEET, HEME RING, ELECTRON TRANSPORT CYB5_BOVIN UNP 1 7 P00171 AVKYYTLEEIQKHNNSKSTWLILHYKVYDLTKFLEEHPGGEEVLREQAGGDATENFEDVGHSTDARELSKTFIIGELHPD DR 7 88 1NX7 3 84 P00171 A 1 1 82 5 parallel anti-parallel anti-parallel parallel A LYS 5 A LYS 3 A TYR 7 A TYR 5 A ILE 75 A ILE 73 A LEU 79 A LEU 77 A LYS 28 A LYS 26 A TYR 30 A TYR 28 A LEU 23 A LEU 21 A LEU 25 A LEU 23 A GLY 52 A GLY 50 A ASP 53 A ASP 51 BINDING SITE FOR RESIDUE HEM A 201 A HEM 201 Software 15 A LEU 23 A LEU 21 15 1_555 A LEU 32 A LEU 30 15 1_555 A PHE 35 A PHE 33 15 1_555 A HIS 39 A HIS 37 15 1_555 A PRO 40 A PRO 38 15 1_555 A GLY 41 A GLY 39 15 1_555 A VAL 45 A VAL 43 15 1_555 A LEU 46 A LEU 44 15 1_555 A GLN 49 A GLN 47 15 1_555 A ASN 57 A ASN 55 15 1_555 A PHE 58 A PHE 56 15 1_555 A HIS 63 A HIS 61 15 1_555 A SER 64 A SER 62 15 1_555 A ALA 67 A ALA 65 15 1_555 A SER 71 A SER 69 15 1_555