Structure of PDB 7o25 Chain A

Receptor sequence

>7o25A (length=356) Species: 2336 (Thermotoga maritima)

MWSHPQFEKASTGREILEKLERREFTREVLKEALSINDRGFNEALFKLAD
EIRRKYVGDEVHIRAIIEFSNVCRKNCLYCGLRRDNKNLKRYRMTPEEIV
ERARLAVQFGAKTIVLQSGEDPYYMPDVISDIVKEIKKMGVAVTLSLGEW
PREYYEKWKEAGADRYLLRHETANPVLHRKLRPDTSFENRLNCLLTLKEL
GYETGAGSMVGLPGQTIDDLVDDLLFLKEHDFDMVGIGPFIPHPDTPLAN
EKKGDFTLTLKMVALTRILLPDSNIPATTAMGTIVPGGREITLRCGANVI
MPNWTPSPYRQLYQLYPGKISVFEKDTASIPSVMKMIELLGRKPGRDWGG
RKRVFE

3D structure

• PDB: 7o25 Crystal Structure of the [FeFe]-Hydrogenase Maturase HydE Bound to Complex-B.
• Chain: A
• Resolution: 1.34 Å

Enzymatic activity

• Catalytic site (original residue number in PDB): C63 C67 C70 V105 T134 G195 P266
• Catalytic site (residue number reindexed from 1): C73 C77 C80 V115 T144 G205 P276
• Enzyme Commision number: 1.8.-.-

Interaction with ligand

Site #	Ligand	Ligand chain	Binding residues on receptor (original residue number in PDB)	Binding residues on receptor (residue number reindexed from 1)	Binding affinity
BS01	CYS	A	R159 T269	R169 T279
BS02	SAM	A	Y69 Q107 S108 G138 R159 E161 R180 M199 I231 L305 Y306	Y79 Q117 S118 G148 R169 E171 R190 M209 I241 L315 Y316
BS03	MET	A	S108 R180 Y303	S118 R190 Y313
BS04	5X8	A	Y69 Q107 R159 E161 M199 I231 T268 T269 A270 Y306	Y79 Q117 R169 E171 M209 I241 T278 T279 A280 Y316
BS05	SF4	A	C63 K65 C67 C70	C73 K75 C77 C80

Gene Ontology

Molecular Function

• GO:0003824 catalytic activity
• GO:0016491 oxidoreductase activity
• GO:0016740 transferase activity
• GO:0046872 metal ion binding
• GO:0051536 iron-sulfur cluster binding
• GO:0051537 2 iron, 2 sulfur cluster binding
• GO:0051539 4 iron, 4 sulfur cluster binding

Biological Process

• GO:0042364 water-soluble vitamin biosynthetic process
• GO:0044272 sulfur compound biosynthetic process

External links

• PDB: RCSB:7o25, PDBe:7o25, PDBj:7o25
• PDBsum: 7o25
• PubMed: 34048236
• UniProt: Q9X0Z6|HYDE_THEMA [FeFe] hydrogenase maturase subunit HydE (Gene Name=TM_1269)