Iron in PDB 9g5b: Assembly Intermediate of Human Mitochondrial Ribosome Small Subunit (State A)

The structure of Assembly Intermediate of Human Mitochondrial Ribosome Small Subunit (State A) also contains other interesting chemical elements:

Zinc	(Zn)	1 atom
Magnesium	(Mg)	12 atoms

The binding sites of Iron atom in the Assembly Intermediate of Human Mitochondrial Ribosome Small Subunit (State A) (pdb code 9g5b). This binding sites where shown within 5.0 Angstroms radius around Iron atom.
In total 4 binding sites of Iron where determined in the Assembly Intermediate of Human Mitochondrial Ribosome Small Subunit (State A), PDB code: 9g5b:
Jump to Iron binding site number: 1; 2; 3; 4;

Iron binding site 1 out of 4 in the Assembly Intermediate of Human Mitochondrial Ribosome Small Subunit (State A)


Mono view


Stereo pair view

A full contact list of Iron with other atoms in the Fe binding site number 1 of Assembly Intermediate of Human Mitochondrial Ribosome Small Subunit (State A) within 5.0Å range: probe atom residue distance (Å) B Occ P:Fe201 b:67.2 occ:1.00 FE1 P:FES201 0.0 67.2 1.0 S2 P:FES201 2.2 67.2 1.0 S1 P:FES201 2.2 67.2 1.0 SG E:CYS105 2.3 74.1 1.0 SG P:CYS68 2.3 51.7 1.0 CB E:CYS105 2.6 74.1 1.0 FE2 P:FES201 2.7 67.2 1.0 CB P:CYS68 3.0 51.7 1.0 CA E:GLY107 3.6 77.6 1.0 N E:GLY107 3.7 77.6 1.0 O E:GLY107 3.8 77.6 1.0 CA P:CYS68 3.8 51.7 1.0 C E:GLY107 3.8 77.6 1.0 CA E:CYS105 3.9 74.1 1.0 O E:CYS105 3.9 74.1 1.0 C E:CYS105 4.0 74.1 1.0 SG P:CYS65 4.1 56.5 1.0 SG P:CYS100 4.2 44.9 1.0 N E:ILE108 4.6 87.5 1.0 N E:CYS105 4.7 74.1 1.0 N E:GLU106 4.7 85.8 1.0 C E:GLU106 4.7 85.8 1.0 C P:CYS68 4.8 51.7 1.0 N P:CYS68 4.8 51.7 1.0 CE P:LYS102 4.8 45.8 1.0 N P:CYS65 4.9 56.5 1.0 N P:GLY69 4.9 51.2 1.0

Iron binding site 2 out of 4 in the Assembly Intermediate of Human Mitochondrial Ribosome Small Subunit (State A)


Mono view


Stereo pair view

A full contact list of Iron with other atoms in the Fe binding site number 2 of Assembly Intermediate of Human Mitochondrial Ribosome Small Subunit (State A) within 5.0Å range: probe atom residue distance (Å) B Occ P:Fe201 b:67.2 occ:1.00 FE2 P:FES201 0.0 67.2 1.0 S2 P:FES201 2.2 67.2 1.0 S1 P:FES201 2.2 67.2 1.0 SG P:CYS100 2.3 44.9 1.0 SG P:CYS65 2.3 56.5 1.0 FE1 P:FES201 2.7 67.2 1.0 CG P:LYS103 3.1 36.5 1.0 CB P:CYS100 3.6 44.9 1.0 CB P:CYS65 3.6 56.5 1.0 CB P:CYS68 3.7 51.7 1.0 CB P:LYS103 3.9 36.5 1.0 CA P:CYS68 3.9 51.7 1.0 N P:CYS68 4.2 51.7 1.0 SG P:CYS68 4.3 51.7 1.0 SG E:CYS105 4.4 74.1 1.0 CD P:LYS103 4.4 36.5 1.0 N P:CYS100 4.5 44.9 1.0 CE P:LYS103 4.5 36.5 1.0 N P:LYS103 4.5 36.5 1.0 CA P:CYS100 4.6 44.9 1.0 N P:CYS65 4.7 56.5 1.0 CA P:CYS65 4.7 56.5 1.0 CB E:CYS105 4.8 74.1 1.0 CA P:LYS103 4.8 36.5 1.0

Iron binding site 3 out of 4 in the Assembly Intermediate of Human Mitochondrial Ribosome Small Subunit (State A)


Mono view


Stereo pair view

A full contact list of Iron with other atoms in the Fe binding site number 3 of Assembly Intermediate of Human Mitochondrial Ribosome Small Subunit (State A) within 5.0Å range: probe atom residue distance (Å) B Occ T:Fe201 b:45.0 occ:1.00 FE1 T:FES201 0.0 45.0 1.0 S2 T:FES201 2.2 45.0 1.0 S1 T:FES201 2.2 45.0 1.0 SG M:CYS26 2.3 45.5 1.0 SG T:CYS149 2.3 43.4 1.0 FE2 T:FES201 2.7 45.0 1.0 CB T:CYS149 3.1 43.4 1.0 CB M:CYS26 3.7 45.5 1.0 CA T:CYS149 3.9 43.4 1.0 SG T:CYS141 3.9 44.6 1.0 N M:CYS26 4.1 45.5 1.0 CD T:PRO150 4.1 82.9 1.0 CA M:CYS26 4.5 45.5 1.0 N T:PRO150 4.7 82.9 1.0 C T:CYS149 4.7 43.4 1.0 SG T:CYS139 4.8 44.4 1.0 CB T:CYS141 4.8 44.6 1.0 OG T:SER151 4.9 43.9 1.0

Iron binding site 4 out of 4 in the Assembly Intermediate of Human Mitochondrial Ribosome Small Subunit (State A)


Mono view


Stereo pair view

A full contact list of Iron with other atoms in the Fe binding site number 4 of Assembly Intermediate of Human Mitochondrial Ribosome Small Subunit (State A) within 5.0Å range: probe atom residue distance (Å) B Occ T:Fe201 b:45.0 occ:1.00 FE2 T:FES201 0.0 45.0 1.0 S2 T:FES201 2.2 45.0 1.0 S1 T:FES201 2.2 45.0 1.0 SG T:CYS139 2.3 44.4 1.0 SG T:CYS141 2.3 44.6 1.0 CB T:CYS139 2.6 44.4 1.0 FE1 T:FES201 2.7 45.0 1.0 CB T:CYS141 3.2 44.6 1.0 CA T:CYS139 4.1 44.4 1.0 N T:CYS141 4.2 44.6 1.0 CB T:CYS149 4.3 43.4 1.0 CA T:CYS141 4.3 44.6 1.0 C T:CYS139 4.5 44.4 1.0 SG T:CYS149 4.5 43.4 1.0 SG M:CYS26 4.6 45.5 1.0 CA M:GLY25 4.7 43.2 1.0 CA T:CYS149 4.9 43.4 1.0 N T:ILE140 4.9 43.3 1.0 N T:CYS139 4.9 44.4 1.0 O T:CYS139 4.9 44.4 1.0 N M:CYS26 4.9 45.5 1.0

M.Heinrichs, A.F.Finke, S.Aibara, H.S.Hillen, R.Richter-Dennerlein. Coupling of Ribosome Biogenesis and Translation Initiation in Human Mitochondria Nat Commun 2025.
ISSN: ESSN 2041-1723
DOI: 10.1038/S41467-025-58827-X