Human PSAT1(Phosphoserine Aminotransferase 1) ELISA Kit

Human PSAT1(Phosphoserine Aminotransferase 1) ELISA Kit

Human Phosphoserine Aminotransferase 1 (PSAT1) ELISA Kit
SED861Hu-10x96wellstestplate 10x96-wells test plate
EUR 4731.5
Description: This is Double-antibody Sandwich Enzyme-linked immunosorbent assay for detection of Human Phosphoserine Aminotransferase 1 (PSAT1) in tissue homogenates, cell lysates and other biological fluids.

Human Phosphoserine Aminotransferase 1 (PSAT1) ELISA Kit
SED861Hu-1x48wellstestplate 1x48-wells test plate
EUR 477.3
Description: This is Double-antibody Sandwich Enzyme-linked immunosorbent assay for detection of Human Phosphoserine Aminotransferase 1 (PSAT1) in tissue homogenates, cell lysates and other biological fluids.

Human Phosphoserine Aminotransferase 1 (PSAT1) ELISA Kit
SED861Hu-1x96wellstestplate 1x96-wells test plate
EUR 639
Description: This is Double-antibody Sandwich Enzyme-linked immunosorbent assay for detection of Human Phosphoserine Aminotransferase 1 (PSAT1) in tissue homogenates, cell lysates and other biological fluids.

Human Phosphoserine Aminotransferase 1 (PSAT1) ELISA Kit
SED861Hu-5x96wellstestplate 5x96-wells test plate
EUR 2575.5
Description: This is Double-antibody Sandwich Enzyme-linked immunosorbent assay for detection of Human Phosphoserine Aminotransferase 1 (PSAT1) in tissue homogenates, cell lysates and other biological fluids.

Human Phosphoserine Aminotransferase 1 (PSAT1) ELISA Kit
4-SED861Hu
  • EUR 4782.00
  • EUR 2526.00
  • EUR 640.00
  • 10 plates of 96 wells
  • 5 plates of 96 wells
  • 1 plate of 96 wells
Description: Enzyme-linked immunosorbent assay based on the Double-antibody Sandwich method for detection of Human Phosphoserine Aminotransferase 1 (PSAT1) in samples from tissue homogenates, cell lysates and other biological fluids with no significant corss-reactivity with analogues from other species.

Human Phosphoserine Aminotransferase 1 (PSAT1) ELISA Kit
20-abx152870
  • EUR 7378.00
  • EUR 3933.00
  • EUR 911.00
  • 10 × 96 tests
  • 5 × 96 tests
  • 96 tests

Human Phosphoserine Aminotransferase 1(PSAT1)ELISA Kit
QY-E02294 96T
EUR 400

Human Phosphoserine aminotransferase, PSAT1 ELISA KIT
ELI-30408h 96 Tests
EUR 824

Recombinant Phosphoserine Aminotransferase 1 (PSAT1)
4-RPD861Hu01
  • EUR 485.28
  • EUR 233.00
  • EUR 1544.80
  • EUR 581.60
  • EUR 1063.20
  • EUR 388.00
  • EUR 3712.00
  • 100 ug
  • 10ug
  • 1 mg
  • 200 ug
  • 500 ug
  • 50ug
  • 5 mg
Description: Recombinant Human Phosphoserine Aminotransferase 1 expressed in: E.coli

Phosphoserine Aminotransferase 1 (PSAT1) Antibody
20-abx128998
  • EUR 425.00
  • EUR 133.00
  • EUR 1205.00
  • EUR 578.00
  • EUR 328.00
  • 100 ug
  • 10 ug
  • 1 mg
  • 200 ug
  • 50 ug

Phosphoserine Aminotransferase 1 (PSAT1) Antibody
abx122046-100ug 100 ug
EUR 391

Phosphoserine Aminotransferase 1 (PSAT1) Antibody
20-abx114512
  • EUR 732.00
  • EUR 398.00
  • 150 ul
  • 50 ul

Phosphoserine Aminotransferase 1 (PSAT1) Antibody
20-abx005144
  • EUR 411.00
  • EUR 592.00
  • EUR 182.00
  • EUR 314.00
  • 100 ul
  • 200 ul
  • 20 ul
  • 50 ul

Phosphoserine Aminotransferase 1 (Psat1) Antibody
20-abx319231
  • EUR 411.00
  • EUR 1845.00
  • EUR 599.00
  • EUR 182.00
  • EUR 300.00
  • 100 ug
  • 1 mg
  • 200 ug
  • 20 ug
  • 50 ug

Phosphoserine Aminotransferase 1 (PSAT1) Antibody
abx236846-100ug 100 ug
EUR 481

Phosphoserine Aminotransferase 1 (PSAT1) Antibody
abx236847-100ug 100 ug
EUR 509

Phosphoserine Aminotransferase 1 (PSAT1) Antibody
20-abx141370
  • EUR 370.00
  • EUR 606.00
  • EUR 300.00
  • 100 ul
  • 200 ul
  • 50 ul

Phosphoserine Aminotransferase 1 (PSAT1) Antibody
20-abx174061
  • EUR 857.00
  • EUR 439.00
  • 1 mg
  • 200 ug

Phosphoserine Aminotransferase 1 (PSAT1) Antibody
20-abx334208
  • EUR 411.00
  • EUR 1845.00
  • EUR 599.00
  • EUR 182.00
  • EUR 300.00
  • 100 ug
  • 1 mg
  • 200 ug
  • 20 ug
  • 50 ug

Mouse Phosphoserine aminotransferase (Psat1)
1-CSB-EP860801MO
  • EUR 505.00
  • EUR 265.00
  • EUR 1827.00
  • EUR 766.00
  • EUR 1218.00
  • EUR 335.00
  • 100ug
  • 10ug
  • 1MG
  • 200ug
  • 500ug
  • 50ug
Description: Recombinant Mouse Phosphoserine aminotransferase(Psat1) expressed in E.coli

Human Phosphoserine Aminotransferase 1 (PSAT1) Protein
20-abx166863
  • EUR 676.00
  • EUR 286.00
  • EUR 2082.00
  • EUR 801.00
  • EUR 481.00
  • 100 ug
  • 10 ug
  • 1 mg
  • 200 ug
  • 50 ug

Mouse Phosphoserine Aminotransferase 1 (PSAT1) ELISA Kit
abx390237-96tests 96 tests
EUR 911

Rabbit Phosphoserine aminotransferase, PSAT1 ELISA KIT
ELI-19895Ra 96 Tests
EUR 928

Mouse Phosphoserine aminotransferase, Psat1 ELISA KIT
ELI-42287m 96 Tests
EUR 865

Human Phosphoserine Aminotransferase 1 (PSAT1)CLIA Kit
SCD861Hu-10x96wellstestplate 10x96-wells test plate
EUR 5647.8
Description: This is Double-antibody Sandwich Chemiluminescent immunoassay for detection of Human Phosphoserine Aminotransferase 1 (PSAT1) in Tissue homogenates and other biological fluids.

Human Phosphoserine Aminotransferase 1 (PSAT1)CLIA Kit
SCD861Hu-1x48wellstestplate 1x48-wells test plate
EUR 552.76
Description: This is Double-antibody Sandwich Chemiluminescent immunoassay for detection of Human Phosphoserine Aminotransferase 1 (PSAT1) in Tissue homogenates and other biological fluids.

Human Phosphoserine Aminotransferase 1 (PSAT1)CLIA Kit
SCD861Hu-1x96wellstestplate 1x96-wells test plate
EUR 746.8
Description: This is Double-antibody Sandwich Chemiluminescent immunoassay for detection of Human Phosphoserine Aminotransferase 1 (PSAT1) in Tissue homogenates and other biological fluids.

Human Phosphoserine Aminotransferase 1 (PSAT1)CLIA Kit
SCD861Hu-5x96wellstestplate 5x96-wells test plate
EUR 3060.6
Description: This is Double-antibody Sandwich Chemiluminescent immunoassay for detection of Human Phosphoserine Aminotransferase 1 (PSAT1) in Tissue homogenates and other biological fluids.

Human Phosphoserine Aminotransferase 1 (PSAT1) CLIA Kit
4-SCD861Hu
  • EUR 5698.00
  • EUR 3061.00
  • EUR 747.00
  • 10 plates of 96 wells
  • 5 plates of 96 wells
  • 1 plate of 96 wells
Description: Double-antibody Sandwich chemiluminescent immunoassay for detection of Human Phosphoserine Aminotransferase 1 (PSAT1)Tissue homogenates and other biological fluids.

Human Phosphoserine Aminotransferase 1 (PSAT1) CLIA Kit
20-abx190183
  • EUR 7911.00
  • EUR 4215.00
  • EUR 973.00
  • 10 × 96 tests
  • 5 × 96 tests
  • 96 tests

ELISA kit for Human PSAT1 (Phosphoserine Aminotransferase 1)
ELK4094 1 plate of 96 wells
EUR 432
Description: A sandwich ELISA kit for detection of Phosphoserine Aminotransferase 1 from Human in samples from blood, serum, plasma, cell culture fluid and other biological fluids.

ELISA kit for Human Phosphoserine aminotransferase (PSAT1)
KTE61093-48T 48T
EUR 332
Description: Quantitative sandwich ELISA for measuring Human Phosphoserine aminotransferase (PSAT1) in samples from cell culture supernatants, serum, whole blood, plasma and other biological fluids.

ELISA kit for Human Phosphoserine aminotransferase (PSAT1)
KTE61093-5platesof96wells 5 plates of 96 wells
EUR 2115
Description: Quantitative sandwich ELISA for measuring Human Phosphoserine aminotransferase (PSAT1) in samples from cell culture supernatants, serum, whole blood, plasma and other biological fluids.

ELISA kit for Human Phosphoserine aminotransferase (PSAT1)
KTE61093-96T 96T
EUR 539
Description: Quantitative sandwich ELISA for measuring Human Phosphoserine aminotransferase (PSAT1) in samples from cell culture supernatants, serum, whole blood, plasma and other biological fluids.

Phosphoserine Aminotransferase 1 (Psat1) Antibody (HRP)
20-abx319232
  • EUR 411.00
  • EUR 1845.00
  • EUR 599.00
  • EUR 182.00
  • EUR 300.00
  • 100 ug
  • 1 mg
  • 200 ug
  • 20 ug
  • 50 ug

Phosphoserine Aminotransferase 1 (Psat1) Antibody (FITC)
20-abx319233
  • EUR 411.00
  • EUR 1845.00
  • EUR 599.00
  • EUR 182.00
  • EUR 300.00
  • 100 ug
  • 1 mg
  • 200 ug
  • 20 ug
  • 50 ug

Phosphoserine Aminotransferase 1 (Psat1) Antibody (Biotin)
20-abx319234
  • EUR 411.00
  • EUR 1845.00
  • EUR 599.00
  • EUR 182.00
  • EUR 300.00
  • 100 ug
  • 1 mg
  • 200 ug
  • 20 ug
  • 50 ug

Phosphoserine Aminotransferase 1 (PSAT1) Antibody (HRP)
20-abx337033
  • EUR 411.00
  • EUR 1845.00
  • EUR 599.00
  • EUR 182.00
  • EUR 300.00
  • 100 ug
  • 1 mg
  • 200 ug
  • 20 ug
  • 50 ug

Phosphoserine Aminotransferase 1 (PSAT1) Antibody (FITC)
20-abx337034
  • EUR 411.00
  • EUR 1845.00
  • EUR 599.00
  • EUR 182.00
  • EUR 300.00
  • 100 ug
  • 1 mg
  • 200 ug
  • 20 ug
  • 50 ug

Phosphoserine Aminotransferase 1 (PSAT1) Antibody (Biotin)
20-abx337035
  • EUR 411.00
  • EUR 1845.00
  • EUR 599.00
  • EUR 182.00
  • EUR 300.00
  • 100 ug
  • 1 mg
  • 200 ug
  • 20 ug
  • 50 ug

Anti-Phosphoserine Aminotransferase/PSAT1 Antibody
PB10086 100ug/vial
EUR 334

PSAT1 Phosphoserine Aminotransferase 1 Human Recombinant Protein
PROTQ9Y617 Regular: 20ug
EUR 317
Description: PSAT1 Human Recombinant produced in E.coli is a single, non-glycosylated polypeptide chain containing 394 amino acids (1-370) and having a molecular mass of 42.9kDa.;PSAT1 is fused to a 24 amino acid His-tag at N-terminus & purified by proprietary chromatographic techniques.

Psat1 ELISA Kit| Mouse Phosphoserine aminotransferase ELISA Kit
EF015876 96 Tests
EUR 689

Phosphoserine Aminotransferase 1 (PSAT1) Polyclonal Antibody (Human, Mouse, Pig)
4-PAD861Hu01
  • EUR 247.00
  • EUR 2510.00
  • EUR 625.00
  • EUR 310.00
  • EUR 214.00
  • 100ul
  • 10ml
  • 1ml
  • 200ul
  • 20ul
Description: A Rabbit polyclonal antibody against Human, Mouse, Pig Phosphoserine Aminotransferase 1 (PSAT1)

Phosphoserine Aminotransferase 1 (PSAT1) Polyclonal Antibody (Human, Mouse, Pig), APC
4-PAD861Hu01-APC
  • EUR 345.00
  • EUR 3275.00
  • EUR 912.00
  • EUR 440.00
  • EUR 219.00
  • 100ul
  • 10ml
  • 1ml
  • 200ul
  • 20ul
Description: A Rabbit polyclonal antibody against Human, Mouse, Pig Phosphoserine Aminotransferase 1 (PSAT1). This antibody is labeled with APC.

Phosphoserine Aminotransferase 1 (PSAT1) Polyclonal Antibody (Human, Mouse, Pig), Biotinylated
4-PAD861Hu01-Biotin
  • EUR 311.00
  • EUR 2460.00
  • EUR 727.00
  • EUR 381.00
  • EUR 219.00
  • 100ul
  • 10ml
  • 1ml
  • 200ul
  • 20ul
Description: A Rabbit polyclonal antibody against Human, Mouse, Pig Phosphoserine Aminotransferase 1 (PSAT1). This antibody is labeled with Biotin.

Phosphoserine Aminotransferase 1 (PSAT1) Polyclonal Antibody (Human, Mouse, Pig), Cy3
4-PAD861Hu01-Cy3
  • EUR 419.00
  • EUR 4325.00
  • EUR 1175.00
  • EUR 545.00
  • EUR 251.00
  • 100ul
  • 10ml
  • 1ml
  • 200ul
  • 20ul
Description: A Rabbit polyclonal antibody against Human, Mouse, Pig Phosphoserine Aminotransferase 1 (PSAT1). This antibody is labeled with Cy3.

Phosphoserine Aminotransferase 1 (PSAT1) Polyclonal Antibody (Human, Mouse, Pig), FITC
4-PAD861Hu01-FITC
  • EUR 296.00
  • EUR 2640.00
  • EUR 750.00
  • EUR 372.00
  • EUR 195.00
  • 100ul
  • 10ml
  • 1ml
  • 200ul
  • 20ul
Description: A Rabbit polyclonal antibody against Human, Mouse, Pig Phosphoserine Aminotransferase 1 (PSAT1). This antibody is labeled with FITC.

Phosphoserine Aminotransferase 1 (PSAT1) Polyclonal Antibody (Human, Mouse, Pig), HRP
4-PAD861Hu01-HRP
  • EUR 316.00
  • EUR 2855.00
  • EUR 807.00
  • EUR 398.00
  • EUR 206.00
  • 100ul
  • 10ml
  • 1ml
  • 200ul
  • 20ul
Description: A Rabbit polyclonal antibody against Human, Mouse, Pig Phosphoserine Aminotransferase 1 (PSAT1). This antibody is labeled with HRP.

Phosphoserine Aminotransferase 1 (PSAT1) Polyclonal Antibody (Human, Mouse, Pig), PE
4-PAD861Hu01-PE
  • EUR 296.00
  • EUR 2640.00
  • EUR 750.00
  • EUR 372.00
  • EUR 195.00
  • 100ul
  • 10ml
  • 1ml
  • 200ul
  • 20ul
Description: A Rabbit polyclonal antibody against Human, Mouse, Pig Phosphoserine Aminotransferase 1 (PSAT1). This antibody is labeled with PE.

Phosphoserine Aminotransferase 1 (PSAT1) Polyclonal Antibody (Human, Mouse, Pig), APC-Cy7
4-PAD861Hu01-APC-Cy7
  • EUR 571.00
  • EUR 6430.00
  • EUR 1705.00
  • EUR 760.00
  • EUR 319.00
  • 100ul
  • 10ml
  • 1ml
  • 200ul
  • 20ul
Description: A Rabbit polyclonal antibody against Human, Mouse, Pig Phosphoserine Aminotransferase 1 (PSAT1). This antibody is labeled with APC-Cy7.

Phosphoserine Aminotransferase 1 (Recombinant)
20-abx073256
  • EUR 3418.00
  • EUR 328.00
  • EUR 230.00
  • 1 mg
  • 20 ug
  • 5 ug

Custom Antibody titration by ELISA up to 2 rabbits and 1 bleed
ELISA-1 1
EUR 202

Human Phosphoserine Phosphatase (PSP) AssayMax ELISA Kit
EP2530-1 96 Well Plate
EUR 417

PSAT1 ELISA KIT|Human
EF002097 96 Tests
EUR 689

PSAT1 ELISA Kit (Human) (OKCD00410)
OKCD00410 96 Wells
EUR 831
Description: Description of target: Catalyzes the reversible conversion of 3-phosphohydroxypyruvate to phosphoserine and of 3-hydroxy-2-oxo-4-phosphonooxybutanoate to phosphohydroxythreonine.By similarity <p>Manually curated information which has been propagated from a related experimentally characterized protein.</p> <p><a href="/manual/evidences#ECO:0000250">More…</a></p> Manual assertion inferred from sequence similarity toiUniProtKB:P10658 (SERC_RABIT) ;Species reactivity: Human;Application: ELISA;Assay info: Assay Methodology: Quantitative Sandwich Immunoassay;Sensitivity: < 0.059 ng/mL

PSAT1 ELISA Kit (Human) (OKCA01423)
OKCA01423 96 Wells
EUR 846
Description: Description of target: Catalyzes the reversible conversion of 3-phosphohydroxypyruvate to phosphoserine and of 3-hydroxy-2-oxo-4-phosphonooxybutanoate to phosphohydroxythreonine.;Species reactivity: Human;Application: ;Assay info: Assay Methodology: Quantitative Sanadwich ELISA;Sensitivity: 19.5 pg/mL

PSAT1 ELISA Kit (Human) (OKDD00486)
OKDD00486 96 Wells
EUR 975
Description: Description of target: This gene encodes a member of the class-V pyridoxal-phosphate-dependent aminotransferase family. The encoded protein is a phosphoserine aminotransferase and decreased expression may be associated with schizophrenia. Mutations in this gene are also associated with phosphoserine aminotransferase deficiency. Alternative splicing results in multiple transcript variants. Pseudogenes of this gene have been defined on chromosomes 1, 3, and 8.;Species reactivity: Human;Application: ;Assay info: Quantitative Sandwich ELISA;Sensitivity: < 0.064 ng/mL

Human Alanine Aminotransferase (ALT, GPT) AssayMax ELISA Kit
EA3922-1 96 Well Plate
EUR 477

Recombinant Mouse Phosphoserine aminotransferase Protein, His-SUMO, E.coli-100ug
QP8039-ec-100ug 100ug
EUR 571

Recombinant Mouse Phosphoserine aminotransferase Protein, His-SUMO, E.coli-10ug
QP8039-ec-10ug 10ug
EUR 272

Recombinant Mouse Phosphoserine aminotransferase Protein, His-SUMO, E.coli-1mg
QP8039-ec-1mg 1mg
EUR 2303

Recombinant Mouse Phosphoserine aminotransferase Protein, His-SUMO, E.coli-200ug
QP8039-ec-200ug 200ug
EUR 898

Recombinant Mouse Phosphoserine aminotransferase Protein, His-SUMO, E.coli-500ug
QP8039-ec-500ug 500ug
EUR 1514

Recombinant Mouse Phosphoserine aminotransferase Protein, His-SUMO, E.coli-50ug
QP8039-ec-50ug 50ug
EUR 362

Human Phosphoserine phosphatase, PSPH ELISA KIT
ELI-35829h 96 Tests
EUR 824

Human Phosphoserine Phosphatase (PSPH) ELISA Kit
20-abx585211
  • EUR 7378.00
  • EUR 3933.00
  • EUR 911.00
  • 10 × 96 tests
  • 5 × 96 tests
  • 96 tests

Rat Alanine Aminotransferase (ALT, GPT) AssayMax ELISA Kit
ERA3922-1 96 Well Plate
EUR 477

Human PSAT1 Antibody
32741-05111 150 ug
EUR 261

PSAT1 Chemi-Luminescent ELISA Kit (Human) (OKCD03890)
OKCD03890 96 Wells
EUR 988
Description: Description of target: Catalyzes the reversible conversion of 3-phosphohydroxypyruvate to phosphoserine and of 3-hydroxy-2-oxo-4-phosphonooxybutanoate to phosphohydroxythreonine.;Species reactivity: Human;Application: ;Assay info: Assay Methodology: Quantitative Sandwich ELISA;Sensitivity: 0.156 ng/mL

Alanine Aminotransferase 1 (GPT) (Human) ELISA Kit
E4323-100
EUR 903

Human Alanine Aminotransferase 1 (GPT) ELISA Kit
20-abx150632
  • EUR 6642.00
  • EUR 3542.00
  • EUR 825.00
  • 10 × 96 tests
  • 5 × 96 tests
  • 96 tests

Human Aspartate Aminotransferase 1 (GOT1) ELISA Kit
abx515821-96tests 96 tests
EUR 668

Human GPT/ Alanine aminotransferase 1 ELISA Kit
E1053Hu 1 Kit
EUR 571

Human Alanine Aminotransferase 1 (GPT) ELISA Kit
20-abx253728
  • EUR 6642.00
  • EUR 3542.00
  • EUR 825.00
  • 10 × 96 tests
  • 5 × 96 tests
  • 96 tests

ELISA kit for Human Alanine aminotransferase 1
EK1487 96 tests
EUR 553
Description: Enzyme-linked immunosorbent assay kit for quantification of Human Alanine aminotransferase 1 in samples from serum, plasma, tissue homogenates and other biological fluids.

Human GPT(Alanine aminotransferase 1) ELISA Kit
EH0770 96T
EUR 567.6
Description: Method of detection: Double Antibody, Sandwich ELISA;Reacts with: Homo sapiens;Sensitivity: 1.875mIU/ml

anti-PSAT1
YF-PA18664 50 ug
EUR 363
Description: Mouse polyclonal to PSAT1

anti-PSAT1
YF-PA26096 50 ul
EUR 334
Description: Mouse polyclonal to PSAT1

PSAT1 antibody
70R-19567 50 ul
EUR 435
Description: Rabbit polyclonal PSAT1 antibody

PSAT1 antibody
70R-13378 100 ul
EUR 457
Description: Affinity purified Rabbit polyclonal PSAT1 antibody

PSAT1 antibody
70R-3185 50 ug
EUR 467
Description: Rabbit polyclonal PSAT1 antibody raised against the N terminal of PSAT1

PSAT1 Antibody
DF12132 200ul
EUR 304
Description: PSAT1 antibody detects endogenous levels of PSAT1.

PSAT1 Antibody
1-CSB-PA018838GA01HU
  • EUR 597.00
  • EUR 333.00
  • 150ul
  • 50ul
Description: A polyclonal antibody against PSAT1. Recognizes PSAT1 from Human, Mouse, Rat. This antibody is Unconjugated. Tested in the following application: ELISA, WB, IHC, IF

PSAT1 Antibody
1-CSB-PA018838LA01HU
  • EUR 317.00
  • EUR 335.00
  • 100ug
  • 50ug
Description: A polyclonal antibody against PSAT1. Recognizes PSAT1 from Human. This antibody is Unconjugated. Tested in the following application: ELISA, IHC, IF; Recommended dilution: IHC:1:200-1:500, IF:1:50-1:200

Psat1 Antibody
1-CSB-PA860801HA01MO
  • EUR 317.00
  • EUR 335.00
  • 100ug
  • 50ug
Description: A polyclonal antibody against Psat1. Recognizes Psat1 from Mouse. This antibody is Unconjugated. Tested in the following application: ELISA

PSAT1 siRNA
20-abx930089
  • EUR 551.00
  • EUR 732.00
  • 15 nmol
  • 30 nmol

PSAT1 siRNA
20-abx930090
  • EUR 551.00
  • EUR 732.00
  • 15 nmol
  • 30 nmol

PSAT1 antibody
22101-100ul 100ul
EUR 390

PSAT1 antibody
39118-100ul 100ul
EUR 252

Phosphoserine antibody
70R-PR015 50 ug
EUR 241
Description: Affinity purified Rabbit polyclonal Phosphoserine antibody

Human PSAT1(Phosphoserine Aminotransferase 1) ELISA Kit