5O4H

HcgC from Methanococcus maripaludis cocrystallized with SAM and pyridinol

Entity

Entity ID	Chain ID	Description	Type	Chain length	Formula weight	Number of molecules	DB Name (Accession)	Biological source	Descriptive keywords
1	A, B, C, D	HcgC	polymer	274	30942.6	4	UniProt (Q6LX54) Pfam (PF06690) In PDB	Methanococcus maripaludis S2
2	A, B, C, D	S-ADENOSYL-L-HOMOCYSTEINE	non-polymer		384.4	4	Chemie (SAH)
3	A, B, D	SULFATE ION	non-polymer		96.1	5	Chemie (SO4)
4	A, B, C, D	ACETATE ION	non-polymer		59.0	5	Chemie (ACT)
5	A, B, C	2-{2-[2-(2-{2-[2-(2-ETHOXY-ETHOXY)-ETHOXY]-ETHOXY}-ETHOXY)-ETHOXY]-ETHOXY}-ETHANOL	non-polymer		354.4	4	Chemie (PE4)
6	D	SODIUM ION	non-polymer		23.0	1	Chemie (NA)
7		water	water		18.0	699	Chemie (HOH)

Sequence modifications

A, B, C, D: 1 - 260 (UniProt: Q6LX54)

PDB	External Database	Details
Asp 261	-	expression tag
Lys 262	-	expression tag
Leu 263	-	expression tag
Ala 264	-	expression tag
Ala 265	-	expression tag
Ala 266	-	expression tag
Leu 267	-	expression tag
Glu 268	-	expression tag
His 269	-	expression tag
His 270	-	expression tag
His 271	-	expression tag
His 272	-	expression tag
His 273	-	expression tag
His 274	-	expression tag

Contents of the asymmetric unit

Polymers	Number of chains	4
	Total formula weight	123770.5
Non-Polymers*	Number of molecules	19
	Total formula weight	3753.9
All*	Total formula weight	127524.4

*Water molecules are not included.