Structure of PDB 5n1q Chain A

Receptor sequence

>5n1qA (length=549) Species: 523845 (Methanothermococcus thermolithotrophicus DSM 2095)

KKLFLKALKEKFEEDPKEKYTKFYTFGGWQQSARKREFVEANEKIVAEKR
GGIPMYNPDIGVPLGQRKLMPYKLSGTDYIVEGDDLHFMNNAAIQQMWDD
IRRTVIVGMDTGHAVLEKRLGVEVTPETINEYMATINHSLPGGAVVQEHM
VEVHPSLAWDCYAKIFTGDDELADELDKKYLIDINKLFPEEQAEQLKAAI
GKKTYQVSRVPTLVGRVCDGGTIARWSAMQIGMSFITAYKLCAGEAAIAD
FSYAAKHADVVGVGTALPARRSRGANEPGGIPFGVLCDIVQTTRISDDPV
EQSLEVVAVGAMLYDQVWLGSYMSGGVGFTQYATAAYTDDILDDFAYYGY
EYVEKKYGINSTKPTMDVVEDIATEVTLYSLEQYDEFPTLLEDHFGGSQR
AAVAAAASGISVCMATGNSNAGVNGWYLSQIMHKEYHSRLGFYGYDLQDQ
CGASNSLSIRNDEASPLELRGPNYPNYAMNVGHQGEYAGITQAAHSARKD
AFAMNPLIKIAFADPSLVFDFARPRKECARGALREFEAAGERDVILPAK

3D structure

• PDB: 5n1q Phylogenetic and Structural Comparisons of the Three Types of Methyl Coenzyme M Reductase from Methanococcales and Methanobacteriales.
• Chain: A
• Resolution: 1.9 Å

Enzymatic activity

• Catalytic site (original residue number in PDB): Y336 G448 N484
• Catalytic site (residue number reindexed from 1): Y332 G444 N480
• Enzyme Commision number: 2.8.4.1: coenzyme-B sulfoethylthiotransferase.

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	TP7	A	R274 M327 F333 F446 M483 N484 V485	R270 M323 F329 F442 M479 N480 V481
BS02	F43	A	A148 V149 V150 Q151 M154 M237 A247	A144 V145 V146 Q147 M150 M233 A243
BS03	COM	A	Y336 F446 Y447	Y332 F442 Y443
BS04	F43	A	V331 G332 F333 T334 Q335 Y336 G445 F446	V327 G328 F329 T330 Q331 Y332 G441 F442
BS05	TP7	A	R229 K260 H261	R225 K256 H257

Gene Ontology

Molecular Function

• GO:0016740 transferase activity
• GO:0046872 metal ion binding
• GO:0050524 coenzyme-B sulfoethylthiotransferase activity

Biological Process

• GO:0015948 methanogenesis

Cellular Component

• GO:0005737 cytoplasm

External links

• PDB: RCSB:5n1q, PDBe:5n1q, PDBj:5n1q
• PDBsum: 5n1q
• PubMed: 28559298
• UniProt: A0A247D6X3