6hqb | pdb_00006hqb

Monomeric cyanobacterial photosystem I

spinqualitylabelsall models 6hqb, resolution 4.00Å Show:Asymmetric Unit Biological Assembly Drag the structure with the mouse to rotate   Export Animated Image   Print3D Structural highlights 6hqb is a 11 chain structure with sequence from Syny3. Full crystallographic information is available from OCA. For a guided tour on the structure components use FirstGlance. Ligands: 45D, BCR, C7Z, CA, CL, CLA, ECH, EQ3, LHG, LMG, LMT, PQN, SF4, SQD Activity: Photosystem I, with EC number 1.97.1.12 Resources: FirstGlance, OCA, PDBe, RCSB, PDBsum, ProSAT Function [PSAE_SYNY3] Stabilizes the interaction between PsaC and the PSI core, assists the docking of the ferredoxin to PSI and interacts with ferredoxin-NADP oxidoreductase.[HAMAP-Rule:MF_00613] Publication Abstract from PubMed A single histidine addition to the C-terminus of PsaL of Synechocystis sp. PCC 6803 was previously reported by our lab to shift the trimer-to-monomer ratio of PSI in favor of the monomeric form. P700 re-reduction and NADP(+) photo-reduction measurements of the PsaL(HIS) strain show no effect on PSI activity in comparison to the WT trimeric PSI. Crystal structure of the PsaL(HIS) monomeric PSI reveals several alterations that occurred in the trimerisation site of PSI, primarily a deformation of the C-terminus of PsaL and loss of chlorophyll a and beta-carotene molecules. Crystal Structure of Photosystem I Monomer From Synechocystis PCC 6803.,Netzer-El SY, Caspy I, Nelson N Front Plant Sci. 2019 Jan 4;9:1865. doi: 10.3389/fpls.2018.01865. eCollection, 2018. PMID:30662446 From MEDLINE®/PubMed®, a database of the U.S. National Library of Medicine.

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