Anti-Kallikrein 4/KLK4 Antibody Picoband®

KLK4 antibody

Boster Bio Anti-Kallikrein 4/KLK4 Antibody Picoband® catalog # PB9260. Tested in WB applications. This antibody reacts with Human. The brand Picoband indicates this is a premium antibody that guarantees superior quality, high affinity, and strong signals with minimal background in Western blot applications. Only our best-performing antibodies are designated as Picoband, ensuring unmatched performance.

Product Info Summary

SKU: PB9260
Size: 100 μg/vial
Reactive Species: Human
Host: Rabbit
Application: WB

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Product Name

Anti-Kallikrein 4/KLK4 Antibody Picoband®

View all KLK4 Antibodies

SKU/Catalog Number

PB9260
PB0254 is an alternative SKU for this antibody, used in previous lots.

Size

100 μg/vial

Form

Lyophilized

Description

Boster Bio Anti-Kallikrein 4/KLK4 Antibody Picoband® catalog # PB9260. Tested in WB applications. This antibody reacts with Human. The brand Picoband indicates this is a premium antibody that guarantees superior quality, high affinity, and strong signals with minimal background in Western blot applications. Only our best-performing antibodies are designated as Picoband, ensuring unmatched performance.

Storage & Handling

Store at -20˚C for one year from date of receipt. After reconstitution, at 4˚C for one month. It can also be aliquotted and stored frozen at -20˚C for six months. Avoid repeated freeze-thaw cycles.

Cite This Product

Anti-Kallikrein 4/KLK4 Antibody Picoband® (Boster Biological Technology, Pleasanton CA, USA, Catalog # PB9260)

Host

Rabbit

Contents

Each vial contains antibody formulated with stabilizing components, 0.9 mg NaCl, 0.2 mg Na2HPO4, and 0.05 mg NaN3.
*This antibody is supplied in a stabilized formulation.
Compatibility with conjugation reactions depends on the chemistry of the conjugation method used.
For conjugation methods that are not compatible with the stabilizing components present in this formulation, a carrier-free antibody format is required.

Clonality

Polyclonal

Isotype

Rabbit IgG

Immunogen

E.coli-derived human Kallikrein 4 recombinant protein (Position: I31-S254).

Cross-reactivity

No cross-reactivity with other proteins

Reactive Species

PB9260 is reactive to KLK4 in Human

Observed Molecular Weight

27 kDa

Calculated molecular weight

27.0 kDa

Background of KLK4

Kallikrein-related peptidase 4, also known as PSTS or EMSP1, is a protein which in humans is encoded by the KLK4 gene. This gene is one of the fifteen kallikrein subfamily members located in a cluster on chromosome 19. Kallikreins are a subgroup of serine proteases having diverse physiological functions. Growing evidence suggests that many kallikreins are implicated in carcinogenesis and some have potential as novel cancer and other disease biomarkers. In particular, they may serve as biomarkers for both prostate cancer and breast cancer. It has been found that KLK4 is a proliferative factor with effects on gene expression and it may have a role in prostate cancer development and progression.

Antibody Validation

Boster validates all antibodies on WB, IHC, ICC, Immunofluorescence, and ELISA with known positive control and negative samples to ensure specificity and high affinity, including thorough antibody incubations.

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Applications

PB9260 is guaranteed for WB Boster Guarantee

Assay Dilutions Recommendation

The recommendations below provide a starting point for assay optimization. The actual working concentration varies and should be decided by the user.

Western blot, 0.1-0.5μg/ml, Human

Positive Control

WB: 293T Whole Cell, MCF-7 Whole Cell

Validation Images & Assay Conditions

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7 Customer Q&As for Anti-Kallikrein 4/KLK4 Antibody Picoband®

Question

We are currently using anti-Kallikrein 4/KLK4 antibody PB9260 for human tissue, and we are content with the WB results. The species of reactivity given in the datasheet says human. Is it possible that the antibody can work on canine tissues as well?

Verified Customer

Verified customer

Asked: 2020-03-11

Answer

The anti-Kallikrein 4/KLK4 antibody (PB9260) has not been validated for cross reactivity specifically with canine tissues, though there is a good chance of cross reactivity. We have an innovator award program that if you test this antibody and show it works in canine you can get your next antibody for free. Please contact me if I can help you with anything.

Boster Scientific Support

Answered: 2020-03-11

Question

Does anti-Kallikrein 4/KLK4 antibody PB9260 work for WB with prostatic carcinoma?

Verified Customer

Verified customer

Asked: 2019-02-04

Answer

According to the expression profile of prostatic carcinoma, KLK4 is highly expressed in prostatic carcinoma. So, it is likely that anti-Kallikrein 4/KLK4 antibody PB9260 will work for WB with prostatic carcinoma.

Boster Scientific Support

Answered: 2019-02-04

Question

Is this PB9260 anti-Kallikrein 4/KLK4 antibody reactive to the isotypes of KLK4?

P. Roberts

Verified customer

Asked: 2019-01-03

Answer

The immunogen of PB9260 anti-Kallikrein 4/KLK4 antibody is E.coli-derived human Kallikrein 4 recombinant protein (Position: I31-S254). . Could you tell me which isotype you are interested in so I can help see if the immunogen is part of this isotype?

Boster Scientific Support

Answered: 2019-01-03

Question

Would anti-Kallikrein 4/KLK4 antibody PB9260 work on goat WB with prostatic carcinoma?

Verified Customer

Verified customer

Asked: 2018-12-19

Answer

Our lab technicians have not validated anti-Kallikrein 4/KLK4 antibody PB9260 on goat. You can run a BLAST between goat and the immunogen sequence of anti-Kallikrein 4/KLK4 antibody PB9260 to see if they may cross-react. If the sequence homology is close, then you can perform a pilot test. Keep in mind that since we have not validated goat samples, this use of the antibody is not covered by our guarantee. However we have an innovator award program that if you test this antibody and show it works in goat prostatic carcinoma in WB, you can get your next antibody for free.

Boster Scientific Support

Answered: 2018-12-19

Question

I see that the anti-Kallikrein 4/KLK4 antibody PB9260 works with WB, what is the protocol used to produce the result images on the product page?

Verified Customer

Verified customer

Asked: 2018-01-19

Answer

You can find protocols for WB on the "support/technical resources" section of our navigation menu. If you have any further questions, please send an email to support@bosterbio.com

Boster Scientific Support

Answered: 2018-01-19

Question

Please see the WB image, lot number and protocol we used for prostatic carcinoma using anti-Kallikrein 4/KLK4 antibody PB9260. Please let me know if you require anything else.

Verified Customer

Verified customer

Asked: 2018-01-09

Answer

Thank you very much for the data. Our lab team are working to resolve this as quickly as possible, and we appreciate your patience and understanding! You have provided everything we needed. Please let me know if there is anything you need in the meantime.

Boster Scientific Support

Answered: 2018-01-09

Question

Is a blocking peptide available for product anti-Kallikrein 4/KLK4 antibody (PB9260)?

D. Kulkarni

Verified customer

Asked: 2014-07-24

Answer

We do provide the blocking peptide for product anti-Kallikrein 4/KLK4 antibody (PB9260). If you would like to place an order for it please contact support@bosterbio.com and make a special request.

Boster Scientific Support

Answered: 2014-07-24

Order DetailsPrice
PB9260

100μg

$370
PB9260-Fluoro488

100 μg Fluoro488 conjugated (liquid)

$570
PB9260-Fluoro550

100 μg Fluoro550 conjugated (liquid)

$570
PB9260-Fluoro594

100 μg Fluoro594 conjugated (liquid)

$570
PB9260-Fluoro647

100 μg Fluoro647 conjugated (liquid)

$670
PB9260-APC

100 μg APC conjugated (liquid)

$820
PB9260-FITC

100 μg FITC conjugated (liquid)

$570
PB9260-Cy3

100 μg Cy3 conjugated (liquid)

$570
PB9260-Biotin

100 μg Biotin conjugated (liquid)

$570
PB9260-HRP

100 μg HRP conjugated (liquid)

$570
PB9260-PE

100 μg PE conjugated (liquid)

$820
PB9260-carrier-free

Carrier Free

$370
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Free Secondary Antibody

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$67.50  $135.00
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$55.00  $110.00
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PB9260
Buy one primary antibody get one 0.5ml HRP or Biotin secondary antibody for free.
*Sample sizes are prepared on demand and will take extra lead time. (cannot be conjugated)
$370.00

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We promise all of our products perform as described in datasheets.

This product is for Research Use Only. Not for use in diagnostic procedures.

Update date: Apr 15, 2026