Reviewed, UniProtKB/Swiss-Prot P69084 (LDHA_GILSE)

Names and origin

Protein names

Recommended name:
    L-lactate dehydrogenase A chain
      Short name=LDH-A
    EC=1.1.1.27

Gene names

Name:

ldha

Organism

Gillichthys seta (Shortjaw mudsucker)

Taxonomic identifier

79683 [NCBI]

Taxonomic lineage

Eukaryota › Metazoa › Chordata › Craniata › Vertebrata › Euteleostomi › Actinopterygii › Neopterygii › Teleostei › Euteleostei › Neoteleostei › Acanthomorpha › Acanthopterygii › Percomorpha › Perciformes › Gobioidei › Gobiidae › Gobionellinae › Gillichthys

Protein attributes

Sequence length	332 AA.
Sequence status	Complete.
Sequence processing	The displayed sequence is further processed into a mature form.
Protein existence	Evidence at transcript level.

General annotation (Comments)

Catalytic activity	(S)-lactate + NAD(+) = pyruvate + NADH.
Pathway	Fermentation; pyruvate fermentation to lactate; (S)-lactate from pyruvate: step 1/1.
Subunit structure	Homotetramer By similarity.
Subcellular location	CytoplasmBy similarity.
Sequence similarities	Belongs to the LDH/MDH superfamily. LDH family.

Ontologies

Keywords
Biological process	Glycolysis
Cellular component	Cytoplasm
Ligand	NAD
Molecular function	Oxidoreductase
Gene Ontology (GO)
Biological process	anaerobic glycolysis Inferred from electronic annotation. Source: InterPro oxidation reduction Inferred from electronic annotation. Source: UniProtKB-KW
Cellular component	cytoplasm Inferred from electronic annotation. Source: InterPro
Molecular function	L-lactate dehydrogenase activity Inferred from electronic annotation. Source: InterPro binding Inferred from electronic annotation. Source: InterPro
Complete GO annotation...

Sequence annotation (Features)

	Feature key	Position(s)	Length	Description	Graphical view	Feature identifier
Molecule processing
	Initiator methionine	1	1	Removed By similarity
	Chain	2 – 332	331	L-lactate dehydrogenase A chain		PRO_0000168440
Regions
	Nucleotide binding	29 – 57	29	NAD By similarity
Sites
	Active site	193	1	Proton acceptor By similarity
	Binding site	99	1	NAD By similarity
	Binding site	106	1	Substrate By similarity
	Binding site	138	1	NAD or substrate By similarity
	Binding site	169	1	Substrate By similarity
	Binding site	248	1	Substrate By similarity

Sequences

	Sequence		Length	Mass (Da)
	P69084-1 [UniParc]. Last modified January 23, 2007. Version 2. Checksum: 74507E0676453905	FASTA	332	36,235
	10 20 30 40 50 60 MSTKEKLISH VSKEEAVGSR NKVTVVGVGM VGMASAISIL LKDLCDELAL VDVMEDKLKG 70 80 90 100 110 120 EVMDLQHGSL FLKTHKIVAD KDYSVTANSR VVVVTAGARQ QEGESRLNLV QRNVNIFKFI 130 140 150 160 170 180 IPNIVKYSPN CILMVVSNPV DILTYVAWKL SGFPRHRVIG SGTNLDSARF RHIMGEKLHL 190 200 210 220 230 240 HPSSCHGWIV GEHGDSSVPV WSGVNVAGVS LQTLNPKMGA EGDSENWKAV HKMVVDGAYE 250 260 270 280 290 300 VIKLKGYTSW AIGMSVADLV ESIVKNLHKV HPVSTLVKGM HGVKDEVFLS VPCVLGNSGL 310 320 330 TDVIHMTLKA DEEKQLVKSA ETLWGVQKEL TL

References

[1]	"Amino acid sequence differences cannot fully explain interspecific variation in thermal sensitivities of gobiid fish A4-lactate dehydrogenases (A4-LDHs)." Fields P., Somero G. J. Exp. Biol. 200:1839-1850(1997) [PubMed: 9319749] [Abstract] Cited for: NUCLEOTIDE SEQUENCE [MRNA]. Tissue: Muscle.

Cross-references

Sequence databases
EMBLGenBankDDBJ	AF079533 mRNA. Translation: AAC31198.1.
3D structure databases
HSSP	HSSP built from PDB template 1I0Z based on UniProtKB P07195.
SMR	P69084. Positions 2-332.
ModBase	Search...
Phylogenomic databases
HOVERGEN	P69084.
Family and domain databases
InterPro	IPR001557. L-lactate/malate_DHase. IPR011304. L-lactate_DHase. IPR001236. Lactate/malate_DHase. IPR015955. Lactate_DHase/Glyco_Ohase_4_C. IPR016040. NAD(P)-bd. [Graphical view]
Gene3D	G3DSA:3.90.110.10. lact_mal_DH. 1 hit. G3DSA:3.40.50.720. NAD(P)-bd. 1 hit.
Pfam	PF02866. Ldh_1_C. 1 hit. PF00056. Ldh_1_N. 1 hit. [Graphical view]
PIRSF	PIRSF000102. Lac_mal_DH. 1 hit.
PRINTS	PR00086. LLDHDRGNASE.
TIGRFAMs	TIGR01771. L-LDH-NAD. 1 hit.
PROSITE	PS00064. L_LDH. 1 hit. [Graphical view]
ProtoNet	Search...

Entry information

Entry name

LDHA_GILSE

Accession

Primary (citable) accession number: P69084
Secondary accession number(s): O93620

Entry history

Integrated into UniProtKB/Swiss-Prot:	February 15, 2005
Last sequence update:	January 23, 2007
Last modified:	November 25, 2008
This is version 27 of the entry and version 2 of the sequence. [Complete history]

Entry status

Reviewed (UniProtKB/Swiss-Prot)