3tx3 is a 2 chain structure with sequence from Idiomarina loihiensis. Full crystallographic information is available from OCA. For a guided tour on the structure components use FirstGlance.
Q5QUJ8_IDILO High affinity, high specificity proton-dependent sulfate transporter, which mediates sulfate uptake. Provides the sulfur source for the cysteine synthesis pathway.[HAMAP-Rule:MF_00468]