Macromolecule Annotations for the Entities in PDB 1NEK

Domain Annotation: SCOP Classification SCOP Database (version: 1.75) Homepage

Chains Domain Info Class Fold Superfamily Family Domain Species
A451-588 d1neka1 All alpha proteins Spectrin repeat-like Succinate dehydrogenase/fumarate reductase flavoprotein C- terminal domain Succinate dehydrogenase/fumarate reductase flavoprotein C- terminal domain Succinate dehydogenase Escherichia coli [TaxId: 562]
A1-235,A356-450 d1neka2 Alpha and beta proteins (a/b) FAD/NAD(P)-binding domain FAD/NAD(P)-binding domain Succinate dehydrogenase/fumarate reductase flavoprotein N- terminal domain Succinate dehydogenase Escherichia coli [TaxId: 562]
A236-355 d1neka3 Alpha and beta proteins (a+b) Succinate dehydrogenase/fumarate reductase flavoprotein, catalytic domain Succinate dehydrogenase/fumarate reductase flavoprotein, catalytic domain Succinate dehydrogenase/fumarate reductase flavoprotein, catalytic domain Succinate dehydogenase Escherichia coli [TaxId: 562]
B107-238 d1nekb1 All alpha proteins Globin-like alpha-helical ferredoxin Fumarate reductase/Succinate dehydogenase iron- sulfur protein, C-terminal domain Succinate dehydogenase Escherichia coli [TaxId: 562]
B1-106 d1nekb2 Alpha and beta proteins (a+b) beta-Grasp (ubiquitin-like) 2Fe-2S ferredoxin-like 2Fe-2S ferredoxin domains from multidomain proteins Succinate dehydogenase iron-sulfur protein, N- terminal domain Escherichia coli [TaxId: 562]
C d1nekc_ Membrane and cell surface proteins and peptides Heme-binding four-helical bundle Fumarate reductase respiratory complex transmembrane subunits Succinate dehydrogenase/Fumarate reductase transmembrane subunits (SdhC/FrdC and SdhD/FrdD) Succinate dehydrogenase subunit SdhC Escherichia coli [TaxId: 562]
D d1nekd_ Membrane and cell surface proteins and peptides Heme-binding four-helical bundle Fumarate reductase respiratory complex transmembrane subunits Succinate dehydrogenase/Fumarate reductase transmembrane subunits (SdhC/FrdC and SdhD/FrdD) Succinate dehydrogenase subunit SdhD Escherichia coli [TaxId: 562]

Protein Family Annotation Pfam Database Homepage

Chains Pfam Accession Pfam Identifier Pfam Description Type Source
A PF00890 FAD_binding_2 FAD binding domain Family
A PF02910 Succ_DH_flav_C Fumarate reductase flavoprotein C-term Domain This family contains fumarate reductases, succinate dehydrogenases and L-aspartate oxidases. PFAM PF02910
C PF01127 Sdh_cyt Succinate dehydrogenase/Fumarate reductase transmembrane subunit Family
B PF13534 Fer4_17 4Fe-4S dicluster domain Domain This family includes proteins containing domains which bind to iron-sulfur clusters. Members include bacterial ferredoxins, various dehydrogenases, and various reductases. The structure of the domain is an alpha-antiparallel beta sandwich. PFAM PF13534
B PF13085 Fer2_3 2Fe-2S iron-sulfur cluster binding domain Domain The 2Fe-2S ferredoxin family have a general core structure consisting of beta(2)-alpha-beta(2) which abeta-grasp type fold. The domain is around one hundred amino acids with four conserved cysteine residues to which the 2Fe-2S cluster is ligated. PFAM PF13085
D PF01127 Sdh_cyt Succinate dehydrogenase/Fumarate reductase transmembrane subunit Family

Gene Product Annotation Gene Ontology Consortium Homepage

Chains Polymer Molecular Function Biological Process Cellular Component
A Succinate dehydrogenase flavoprotein subunit (1NEK:A)
B Succinate dehydrogenase iron-sulfur protein (1NEK:B)
C Succinate dehydrogenase cytochrome b-556 subunit (1NEK:C)
D Succinate dehydrogenase hydrophobic membrane anchor protein (1NEK:D)

Protein Modification Annotation

Type PDB Residue Nr. Description