OP1 or OP-1 may refer to:
*
Opus number
In music, the opus number is the "work number" that is assigned to a musical composition, or to a set of compositions, to indicate the chronological order of the composer's publication of that work. Opus numbers are used to distinguish among ...
1
**
Op. 1 (disambiguation), a list of compositions that are assigned this number
*
Bone morphogenetic protein 7
Bone morphogenetic protein 7 or BMP7 (also known as osteogenic protein-1 or OP-1) is a protein that in humans is encoded by the ''BMP7'' gene.
Function
The protein encoded by this gene is a member of the TGF-β superfamily. Like other members ...
or BMP7, also known as osteogenic protein-1 or OP-1
*
Pitcairn OP-1
The Pitcairn OP-1 (manufacturer designation: PCA-2) was the first rotary-wing aircraft to be seriously evaluated by any of the world's major air forces. The aircraft was a relatively new type, an autogyro. Pitcairn's model was never put into prod ...
, a first rotary-wing aircraft
*
Teenage Engineering OP-1
The Teenage Engineering OP-1 is a synthesizer, sampler and sequencer designed and manufactured by the Stockholm-based company Teenage Engineering. The OP-1 was Teenage Engineering's first product; it was released in 2011 following an introduct ...
, a portable synthesizer
* a clade in the
Branching order of bacterial phyla (Rappe and Giovanoni, 2003)
* Rockchip RK3399, a
Rockchip processor used in Chromebooks, marketed as OP1
* OP1 grade tea, see
* OP1, the highest possible
Overall Position
The Overall Position (OP) was a tertiary entrance rank used in Queensland, Australia to guide selection into universities. Like similar systems used throughout the rest of Australia, the OP shows how well a student has performed in their senior ...
(OP) that high school graduates can receive in Queensland, Australia
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