apnhaP

Gene

apnhaP

Protein

Na(+)/H(+) antiporter ApNhaP

Organism

Aphanothece halophytica

Length

521 amino acids

Function

Na(+)/H(+) antiporter that extrudes sodium in exchange for external protons. Shows also high Ca(2+)/H(+) antiporter activity at alkaline pH. Does not catalyze exchange between Li(+) and H(+).

Similarity

Belongs to the monovalent cation:proton antiporter 1 (CPA1) transporter (TC 2.A.36) family.

Mass

56.884 kDa

Sequence

MTIEAAMGEEAIKENLEQFLIVLSVSLGVATLSQISSFFRQIPYTLLLVIVGLGLAFVDIRLVNLSPELILEIFLPPLLFEAAWNIRWRNLKKNLFPVVLLAIIGVVISVVGIGFSLNYFSGLSLPIALLVGAILAATDPVSVIALFRELGVGERLTVLMEGESLFNDGVAVVAFSLLVGIPLGTQEFSVTNTLIQFVTLQGIGIGCGGVIGFGISYLTQRFDLPLVEQSLTLVSAYGTYLITEELGGSGVIGVVTVGLILGNFGSRIGMNPRTRLLVSEFWEFIAFFVNSIVFLLIGDQINIRGLADNGQLILITIIALVIIRAISIYGLGTISNLITKQDISWQEETVLWWGGLRGSVSIALALSVPVMLDGRQDIIEAVFGVVLFTLLVQGLTMQTVIEKLGLIGDRAQRRTYSELIARRSALERVLAHLNAVPPSPSIRMKSLKTTKEASKGQLESRQTKKLRSYNNSYPQLRSLEQEQLRELTFKVEADTYAELIRAGKLNNNLSPLLQEVLAKPE

Protein

Na(+)/H(+) antiporter ApNhaP: apnhaP