Genome Property Definition Page

Accession	GenProp0661
Name	photosystem II
Type	SYSTEM
Description	Photosystem II is found in cyanobacteria and in chloroplasts. It oxidizes water (removes hydrogen) to evolve 02, and the protein families in this model are all markers for oxygenic photosynthesis. Most components of this property are shared from Synechocystis to vascular plants. Variant forms of photosystem II in those Cyanobacteria that lack thylakoid lack some proteins otherwise expected. Photosystem II is found in the same species as photosystem I but assembles into a different supracomplex; both may receive light energy from light-harvesting antennae.
JCVI Role	Photosynthesis
Parent Property	GenProp0027: photosynthesis

Components

Step Name	Step Num	Required	Evidence (Method)
photosystem II S4 domain protein	S4_dom	YES	TIGR03069 (HMM): photosystem II S4 domain protein
photosystem II protein Psb27	psb27	YES	TIGR03044 (HMM): photosystem II protein Psb27
photosystem II reaction center protein Psb28	psb28	YES	TIGR03047 (HMM): photosystem II reaction center protein Psb28
photosystem II biogenesis protein Psp29	psb29	YES	TIGR03060 (HMM): photosystem II biogenesis protein Psp29
photosystem II, DI subunit	psbA	YES	TIGR01151 (HMM): photosystem II q(b) protein
photosystem II chlorophyll-binding protein CP47	psbB	YES	TIGR03039 (HMM): photosystem II chlorophyll-binding protein CP47
photosystem II, 44K reaction center protein	psbC	YES	TIGR01153 (HMM): photosystem II 44 kDa subunit reaction center protein
photosystem II, D2 subunit	psbD	YES	TIGR01152 (HMM): photosystem II D2 protein (photosystem q(a) protein)
cytochrome b559, alpha subunit	psbE	YES	TIGR01332 (HMM): cytochrome b559, alpha subunit
cytochrome b559, beta subunit	psbF	YES	TIGR01333 (HMM): cytochrome b559, beta subunit
photosystem II, 10 kd phosphoprotein PsbH	psbH	YES	PF00737 (HMM): photosystem II 10 kDa phosphoprotein
photosystem II reaction center protein PsbI	psbI	YES	PF02532 (HMM): photosystem II reaction center I protein
photosystem II protein PsbJ	psbJ	YES	PF01788 (HMM): PsbJ
photosystem II 4 kDa reaction center protein	psbK	YES	PF02533 (HMM): photosystem II 4 kDa reaction center component
photosystem II protein PsbL	psbL	YES	PF02419 (HMM): PsbL protein
photosystem II reaction center protein M	psbM	YES	TIGR03038 (HMM): photosystem II reaction center protein PsbM
photosystem II reaction center protein PsbN	psbN	YES	PF02468 (HMM): photosystem II reaction center N protein PsbN
photosystem II extrinsic protein PsbO	psbO	YES	PF01716 (HMM): manganese-stabilizing protein/photosystem II polypeptide
photosystem II extrinsic protein PsbP	psbP	YES	PF01789 (HMM): PsbP
photosystem II protein PsbQ	psbQ	YES	TIGR03042 (HMM): photosystem II protein PsbQ
photosystem II 10 kDa polypeptide PsbR	psbR	NO	PF04725 (HMM): photosystem II 10 kDa polypeptide PsbR
photosystem II reaction center T protein	psbTc	YES	PF01405 (HMM): photosystem II reaction center T protein
photosystem II 12 kDa extrinsic protein PsbU	psbU	YES	PF06514 (HMM): photosystem II 12 kDa extrinsic protein PsbU
cytochrome c-550	psbV	YES	TIGR03045 (HMM): cytochrome c-550
photosystem II reaction center protein PsbW	psbW	YES	PF03912 (HMM): photosystem II reaction centre W protein, PsbW
photosystem II reaction center protein (plant)	psbW_pl	NO	PF07123 (HMM): photosystem II reaction center W protein PsbW
photosystem II reaction center protein PsbX	psbX	YES	PF06596 (HMM): photosystem II reaction center X protein PsbX
photosystem II protein PsbY	psbY	YES	PF06298 (HMM): photosystem II protein Y PsbY
photosystem II reaction center protein PsbZ	psbZ	YES	TIGR03043 (HMM): photosystem II core protein PsbZ

Parent Properties

Accession	Name
GenProp0027	photosynthesis

Sibling Properties

Accession	Name
GenProp0035	Calvin cycle
GenProp0300	photosynthetic cofactor biosynthesis
GenProp0660	photosystem I
GenProp0662	photosynthetic reaction center, alphaproteobacterial type