H-group (homology)

304.4 Dimeric alpha+beta barrel

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Ligands and drugs

4,476

Member domains

1,761

with ligand contacts (≤ 4 Å)

39.3% of members

1,559

with DrugDomain annotations

34.8% of members

1,111

with a DrugBank compound

24.8% of members

Aggregated over all current member domains of this group. Drug annotations come from DrugDomain; buffers and crystallization additives are excluded from the tables below.

Chemical profile

Chemical profiles are computed for X-groups. 304.4 belongs to X-group 304 Alpha-beta plaits, which binds 8.8 ligand superclasses per 20 proteins, broader than 75% of the 256 X-groups with enough proteins to compare. View its chemical profile →

DrugBank compounds

DrugBank	PDB ligand	Name	Domains
DB18267	HEM	Ferroheme	559
DB12529	NO2	Nitrite	54
DB09140	OXY	Oxygen	43
DB02224	DQH	Taxifolin	40
DB02210	HEZ	Hexane-1,6-Diol	22
DB00141	NAG	N-Acetylglucosamine	12
DB00167	ILE	Isoleucine	12
DB03766	PPI	Propanoic acid	12
DB02994	CAD	Cacodylic acid	11
DB00123	LYS	Lysine	10
DB00134	MET	Methionine	10
DB00149	LEU	Leucine	10
DB00125	ARG	Arginine	8
DB03175	POL	Propyl alcohol	7
DB03467	NAR	Naringenin	6
DB14522	OH	Hydroxide ion	6
DB02042	1PG	2-(2-{2-[2-(2-Methoxy-Ethoxy)-Ethoxy]-Ethoxy}-Ethoxy)-Ethanol	5
DB00130	GLN	L-Glutamine	4
DB02774	PDO	1,3-Propanediol	4
DB02961	RNS	Rhamnose	4

Most frequently bound compounds

PDB ligand	Name	Domains in contact
HEM	PROTOPORPHYRIN IX CONTAINING FE	779
CL	CHLORIDE ION	276
FEmetal	FE (III) ION	131
CAmetal	CALCIUM ION	109
OXY	OXYGEN MOLECULE	73
MGmetal	MAGNESIUM ION	64
FEC	1,3,5,8-TETRAMETHYL-PORPHINE-2,4,6,7-TETRAPROPIONIC ACID FERROUS COMPLEX	63
NO2	NITRITE ION	60
VOV	harderoheme (III)	59
O	OXYGEN ATOM	42
DQH	(2R,3R)-2-(3,4-DIHYDROXYPHENYL)-3,5,7-TRIHYDROXY-2,3-DIHYDRO-4H-CHROMEN-4-ONE	41
Kmetal	POTASSIUM ION	29
NAmetal	SODIUM ION	29
HEZ	HEXANE-1,6-DIOL	23
CYN	CYANIDE ION	22
SCN	THIOCYANATE ION	16
ZNmetal	ZINC ION	15
ILE	ISOLEUCINE	13
NAG	2-acetamido-2-deoxy-beta-D-glucopyranose	12
NO	NITRIC OXIDE	12